Questions Asked on
March 31, 2010

  1. Chemistry

    Which diffuses faster, the bad smell from a cat-pan due to ammonia or an expensive French perfume with an average molecular weight of 170 g/mol? How much fast does the fast one diffuse?

    asked by Jessica
  2. Physics

    A 70kg man jumps 1.00 meters down onto a concrete walkway. His downward motion stops in 0.02 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones? a. 15 500N b. 7 010N c. 4 900N d. 3 500N How do you solve this

    asked by Omari
  3. chemistry

    The mole fraction of CO2 in a certain solution with H2O as the solvent is 3.6 × 10−4. The molality of CO2 in this solution is about: A. 0.00036 m B. 0.0065 m C. 0.020 m D. 2.0 × 10−5 m E. 6.5 m

    asked by nnn
  4. chemistry

    what is nitrolim and is uses?

    asked by prosenjit
  5. chemistry

    1. Chlorobenzene, C6H5Cl, is used in the production of chemicals such as aspirin and dyes. One way that chlorobenzene is prepared is by reacting benzene, C6H6, with chlorine gas according to the following BALANCED equation. C6H6 (l) + Cl2 (g)

    asked by Michael
  6. chm

    What is the pH of the solution obtained by mixing 30.00mL OF 0.250M HCL AND 30.00mL OF 0.125M NaOH?

    asked by ami
  7. Physics

    At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of the wheel at t = 2.0 s? Ans: Theta final=4.5 rad

    asked by Jared
  8. chemistry

    A gas absorbs 45 kJ of heat and does 29 kJ of work. Calculate the change in energy. The answer is 16 kJ, but I don't understand why. If a gas absorbs heat and does 29 kJ of work. Wouldn't they both be positive? Change in energy = q + w 45 kJ + 29 kJ = 74

    asked by Jake
  9. 152

    Ka for hypochlorous acid,HCLO, IS 3.0*10^-8. Calculate the pH after 10.0,20.0,30.0, and 40.0mL OF 0.100M NaOH have been added to 40.0mL of 0.100M HCLO..

    asked by AMI
  10. math

    A plane flying a straight course observes a mountain at a bearing of 32.6° to the right of its course. At that time the plane is 6 km from the mountain. A short time later, the bearing to the mountain becomes 42.6°. How far is the plane from the mountain

    asked by pepe
  11. chemistry

    In a laboratory setting, how would you determine if a compound was a hydrate?

    asked by Astrid
  12. college chemistry

    CH4 + 2 Cl2--> CH2Cl2 + 2HCl Cl-Cl bond energy: 242 kj/mole 1. Calculate the amount of energy (Joules) needed to break a single Cl-Cl bond. 2. Calculate the longest wavelength of light (meters)that can supply the energy per photon necessary to break the

    asked by Anonymous
  13. Math

    Three forces with magnitudes of 70 pounds, 40 pounds, and 60 pounds act on an object at angles of -30 degrees, 45 degrees, and 135 degrees, respectively, with the positive x-axis. Find the direction and manitude of the resultant of these forces. Please

    asked by Hannah
  14. chemical and ionic equlibrium

    1. calculate H+ ion concentrates in 0.10 m acetic acid solutions. Given that dissociation constant of acetic acid in water is 1.8 * 10^-5 ? 2. Calculate the concentration of H+ and OH- in a 0.05 m HNO3 solutions at 25^0c ? 3. The degree of dissociation of

    asked by pramod
  15. Chem

    What mass of glycerin (C3H8O3), a nonelectrolyte, must be dissolved in 216.2 g water to give a solution with a freezing point of -1.62 °C?

    asked by Stephany
  16. chemistry

    Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide, and water. 3 CaCO3(s) + 2 H3PO4(aq) Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O(l) How many grams of phosphoric acid react with excess calcium carbonate to produce 3.29 g

    asked by carson
  17. PHYSICS!!!

    A long wire carrying a 5.0 A current perpendicular to the xy-plane intersects the x-axis at x = -2.0 cm. A second, parallel wire carrying a 2.5 A current intersects the x-axis at x = 2.0 cm. PART A At what point on the x-axis is the magnetic field zero if

    asked by OLLIJURT
  18. college chemistry

    How do you calculate delta[S2O8 2-] in iodine clock reaction?

    asked by vickie
  19. math

    The perimeter of the small square is one-third the perimeter of the large square. What are the side lengths of the squares? small square side = x large square side = x + 2

    asked by rebecca
  20. math/calc

    The hypotenuse of a right triangle has one end at the origin and one end on the curve y+x^2e^(-3x), with x > or = 0. One of the other two sides is on the x-asis, the other side is parallel to the y-axis. Find the maximum area of such a triangle. At what

    asked by miley
  21. At what temperature do hydrogen molecules have the

    At what temperature do hydrogen molecules have the same rms speed as nitrogen molecules at 90 degree C?

    asked by ziddi
  22. science

    How many grams of NH3, are required to produce 5.23 g HF?

    asked by kristen
  23. Physics

    An object moves along the x axis, subject to the potential energy shown in Figure 8-24. The object has a mass of 1.8 kg, and starts at rest at point A. (a) What is the object's speeds at point B, at point C, and at point D?

    asked by Kelly
  24. physics

    The label on a candy bar says 470 Calories.Assuming a typical efficiency for energy use by the body, if a 74 kg person were to use the energy in this candy bar to climb stairs, how high could she go?

    asked by ziddi
  25. physics(check my answer)

    A 60.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air resistance and his center of mass rises by a maximum of 14.9 cm. Model the floor as completely solid and motionless. (a) Does the

    asked by phys
  26. trig/math

    Two ships leave a harbor together traveling on courses that have an angle of 124° between them. If they each travel 511 miles, how far apart are they (to the nearest mile)?

    asked by ana
  27. Physics

    An object moves along the x axis, subject to the potential energy shown in Figure 8-24. The object has a mass of 1.8 kg, and starts at rest at point A. (a) What is the object's speeds at point B, at point C, and at point D?

    asked by Kelly
  28. physics help

    Assuming a typical efficiency for energy use by the body, how many slices of pizza must you eat to walk for 3.0 hr at a speed of 5.0 km/hr ? (Assume your mass is 68 kg).

    asked by ziddi
  29. Physics

    Figure 8-33 shows a 1.50 kg block at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 10.0 cm that has a

    asked by Holy Grail
  30. physics

    A sphere of radius r and mass m has a linear velocity v0 directed to the left and no angular velocity as it is placed on a belt moving to the right with a constant velocity v1. If after sliding on the belt the sphere is to have no linear velocity relatives

    asked by pramod
  31. chemistry!

    how many moles of product are formed in the reaction? 2Al(s),3Cl2(g)--->2AlCl3(s) please help me!! thank you so much

    asked by caroline
  32. chemistry

    2NH3+H2SO4---> (NH4)2SO4 Calculate the mass of ammonia required to produce 125g of ammonium sulfate.|:

    asked by Tanya
  33. organic chem

    what should you see when 2-butanol is treated with NaI-I2? if you pour ethylene glycol into water it mixes in all oroprtions. but if you bubble butane, a gas of comparable molar mass through water, it does not mix but just bubbles away. how do you explain

    asked by karlene
  34. math

    Suppose that an object attached to a coiled spring is pulled down a distance of 5 inches from its rest position and then released. If the time for one oscillation is 3 seconds, write and equation that relates the displacement d of the object from its rest

    asked by hey
  35. Chemistry

    How do I solve this? The usual partial pressure of oxygen that people get at sea level is .20 atm, that is, a fifth of the usual sea level air pressure. People used to 1 atm air pressure begin to become light headed at about .10 atm oxygen. As a rule of

    asked by Avalon
  36. Chemistry

    How do I set this up? What formula do I use? Will you please help me? How many liters of ammonia at STP are produced when 10 g of hydrogen is combined with nitrogen?

    asked by Jessica
  37. Pre-Cal

    An airplane's velocity with respect to the air is 580 miles per hour, and it is heading N 60 degrees W. The wind, at the altitude of the plane, is from the southwest and has a velocity of 60 miles per hour. What is the true direction of the plane, and what

    asked by Hannah
  38. Economic

    1. The principle that states that the more you have of something, the less satisfaction you will get from an additional unit is the a. law of demand. c. law of equilibrium. b. law of diminishing marginal utility. d. price elasticity. 2. Demand for one

    asked by Candace
  39. chemistry

    Heating an ore of antimony (Sb2S3) in the presence of iron gives the element antimony and iron(II) sulfide. Sb2S3(s) + 3 Fe(s) 2 Sb(s) + 3 FeS(s) When 10.9 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this

    asked by clara
  40. college calculus

    1) each side of a square is increasing at a rate of 6cm/s. At what rate is the area of the square is 16 cm^2? 2)the radius of a sphere is increasing at a rate of 4mm/s.How fast is the volume increasing when the diameter is 80mm? 3)A particle moves along

    asked by alissa
  41. algebra 2

    When inflation causes the price of an item to increase the new cost C and the original cost c are related by the formula C=c(1+r)^n, where r is the rate of inflation per year as a decimal and n is the number of years. What would be the price of a $4.99

    asked by Taylor
  42. chemistry

    How many moles of SO2 are required to make 125 mol CS2 How many moles of carbon monoxide form at the same time that 0.255 mol CS2 forms? THANK YOU

    asked by julia
  43. physics

    A shot-putter moves his arm and the 7.0 kg shot through a distance of 1 meters iving the shot a velocity of 10 m/s from rest. Find the average force exerted on the shot during this time how do you solve this problem. Is this question related to Kinetic

    asked by Omari
  44. chemistry

    How many moles of carbon are needed to react with 5.01 mol SO2? How many moles of carbon monoxide form at the same time that 0.255 mol CS2 forms? How many moles of SO2 are required to make 125 mol CS2?

    asked by libby
  45. chm

    Calculate the PH OF A SOLUTION prepared by mixing 15.0mL OF 0.50 M OF NaOH AND 30.0mL OF 0.50 M BENZOIC ACID SOLUTION?( Benzoicacid is monoprotic and its dissociation constant is 6.5*10^-5)

    asked by ami
  46. math

    A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system is 8/pi cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.

    asked by elvis
  47. Probability/Stas

    There are 20 red yellow and green tiles in a bag. 1/2 of the tiles are not yellow. 1/5 of the tiles are red. What is the probability of randomly selecting a colored tile from the bag that is NOT green?

    asked by Ali
  48. physics help

    Michelle is enjoying a picnic across the valley from a cliff. She is playing music on her radio (assume it to be an isotropic source) and notices an echo from the cliff. She claps her hands and the echo takes 2.6 s to return. (a) Given that the speed of

    asked by anna
  49. stats

    The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 19.22. A random sample of salespeople was taken and the number of cars each sold is listed her. 79 43 58 66 101 63 79 33 58 71 60 101 74 55 88 The

    asked by sarah
  50. Physics 1 (Calc Based)

    At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of the wheel at t = 2.0 s? Ans: Theta final=4.5 rad

    asked by Jared
  51. Physics

    A block of wood of mass 0.91 kg is initially at rest. A bullet of mass 0.047 kg traveling at 104.7 m/s strikes the block and becomes embedded in it. With what speed do the block of wood and the bullet move just after the collision?

    asked by Max
  52. physics

    A harpsichord string of length 1.60 m and linear mass density 25.0 mg/m vibrates at a (fundamental) frequency of 450.0 Hz. (a) What is the speed of the transverse string waves in m? (b) What is the tension in N? (c) What are the wavelength and frequency of

    asked by anna
  53. Math

    A 3-mile cab ride cost $3.00. A 6-mile cab ride cost $4.80. Find a linear equation that models cost c as a function of distance d

    asked by Cynthia
  54. physic

    An 85.0-N backpack is hung from the middle of an aluminum wire, The degree of hung of the wire is 3 degree. The temperature of the wire then drops by 20.0 C¡ã. Find the tension in the wire at the lower temperature. Assume that the distance between the

    asked by firous
  55. Chem

    Determine the concentration of a dioxin solution whose percent absorbance is 0.40% This is the resulting: Absorbance Dioxin 0.64 5.5 0.76 6.3 1.0 8.0 But why can't I figure out the concentration whose percentage is .40%?

    asked by Stacey
  56. Chemistry

    The molarity of Sr2+ in a saturated solution of SrSO4 was determined to be 0.000500 M. Calculate the solubility product constant (Ksp) for SrSO4. SrSO4(s) = Sr^2+(aq) + SO4^2- (aq) Molar Mass (g/mol) SrSO4 183.68 This is what I know: Ksp = [Sr][SO4]

    asked by Angel
  57. math/trig

    A weight attached to a spring is pulled 4 inches below the equilibrium position. Assuming that the frenquency of the system is 8/pi cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.

    asked by america
  58. chem

    Heating an ore of antimony (Sb2S3) in the presence of iron gives the element antimony and iron(II) sulfide. Sb2S3(s) + 3 Fe(s) 2 Sb(s) + 3 FeS(s) When 10.9 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this

    asked by caroline
  59. stats

    A random sample of 40 men drank an average of 20 cups of coffee per week during examination final, with the population standard deviation equal to 6 cups. A lower limit of an approximate 95% confidence interval the population average cup of coffee is (1)

    asked by cindy
  60. Statistics

    Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b.

    asked by Ab
  61. statistics

    Hello!! A survey indicates that for each trip to the supermarket, a shopper spends an average of 45 minutes with a standard deviation of 12 minutes in the store.the length is normally distributed and represented by variable x. a.A find the probability that

    asked by Anonymous
  62. physics

    a rain drop falls from rest in an atmosphere saturated with water vapour. As it falls, water vapour condenses on drop at rate of mass µ per second. If initial mass of drop is M0, how much distance the drop falls in time t?

    asked by pramod
  63. Physics

    In Figure 8-34, a 1.2 kg block is held at rest against a spring with a force constant k = 695 N/m. Initially, the spring is compressed a distance d. When the block is released, it slides across a surface that is frictionless, except for a rough patch of

    asked by Holy Grail
  64. pHYSICS HElp

    ***EXTRA CREDIT*** Figure 8-33 shows a 1.50 kg block at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width

    asked by Kelly
  65. Economic

    1.Diminishing marginal utility refers to the fact that a. demand declines as income falls. b. additional satisfaction declines as additional units of an item are consumed. c. people have unlimited needs. d. in equilibrium, supply equals demand. 2.

    asked by Candace
  66. Chemistry

    Rank the elements B, Al, Na, Mg from largest to smallest atomic radius. Would it be: Al, Mg, Na, B?

    asked by Meg
  67. Macro Economics

    Economists who work for the government are often called on to make policy recommendations. Why do you think it is important for the public to be able to differentiate normative statements from positive statements in these recommendations?

    asked by Deborah
  68. 7th grade

    why was the bill of rights added to the constitution

    asked by shirley
  69. stats

    In a sample of 500 college students fifty percent of all college students attend schools within 50 miles of their homes. The probability that the population proportion will be between 0.45 and 0.55 is (1) 0.4875 (2) 0.9818 (3) 0.4909 (4) 0.9750 (5) 0.5000

    asked by sam
  70. Chemistry

    When 442 mg of NO2 is confined to a 150. mL reaction vessel and heated to 300°C, it decomposes by a second-order process. In the rate law for the decomposition of NO2, k = 0.54 1/(M·s). A) what is the initial reaction rate? B) what is the reaction rate

    asked by Val
  71. Physics HELp

    In Figure 8-34, a 1.2 kg block is held at rest against a spring with a force constant k = 785 N/m. Initially, the spring is compressed a distance d. When the block is released, it slides across a surface that is frictionless, except for a rough patch of

    asked by Kelly
  72. English

    Who is Ms. Kim? 1. She was Bora's teacher last year. 2. She is Bora's old teacher from last year. 3. She is Bora's teacher in elementary school from last year. 4. She taught Bora in elementary school last year. (Bora learned from Ms. Kim last year. Bora is

    asked by rfvv
  73. ALGEBRA

    A 5-mile cab ride costs $9.30. A 11-mile cab ride costs $17.70. Find a linear equation that models cost c as a function of distance d.

    asked by Cynthia
  74. math

    u=(2 cos pi/4)i + (2 sin pi/4)j, v = (cos 3pi/2)i + (sin 3pi/2)j find the angle theta between the two I'm at a lost on what to do.

    asked by John
  75. stats

    A bakery stated that the average number of breads sold daily is 3000. An employee thinks that the actual value might differ from this and wants to test this statement. The correct hypotheses are: (I think it is 1) (1) H0 : ¦Ì = 3000 H1 : ¦Ì not= 3000

    asked by joseph
  76. STATS

    Consider the following information: Season Sales(units) Summer Autumn Winter Spring Christmas 98 114 123 105 Holidays 110 110 110 110 The expected frequency for cell winter/holidays (e13) is equal to (1) 104.0 (2) 112.0 (3) 110.0 (4) 116.5 (5) 107.5

    asked by JUDY
  77. math

    A painter needs to cover a triangular region 62 meters by 66 meters by 71 meters. A can of paint covers 70 square meters. How many cans will be needed?

    asked by peter
  78. ms.sue

    thanks for your help Select the word which has its etymological meaning to settle a payment and has the current meaning to supply with capital. A. firmament B. Finicky C. Finess D. *Finance

    asked by henry
  79. math

    i have 5 coins,a penny,nickel,dime,quarter and loonie. how many different amounts of money can i pay using any combination of the coins?

    asked by cole
  80. Economic

    27. Rice is what you’ll probably end up with these days if your local McDonald’s is in Indonesia. With the collapse of the Indonesian currency, the rupiah, in 1998, potatoes...have quintupled in price. That means rice is turning with an increasing

    asked by Candace
  81. Social Studies

    Contrast the report in the "Manitoba Free Press" with the actual situation of the Icelanders when they arrived. Why are the reports so different? Can someone clarify this question for me please. I don't quite understand. Thanks a lot.

    asked by John
  82. trig/math

    A stained glass window is composed of 20 triangular sections, each with sides 6, 8, and 7inches. Find the total are of the window( to the nearest square inch).

    asked by america
  83. Algebra

    28. Use the Distributive Property to simplify x(4x^2 + x + 4) Is it 4x^3 + x^2 + 4x? 42. To which set of numbers does 0 not belong? 46. Pi belongs to which group of real numbers? a. Odd numbers b. rational numbers c. irrational numbers C? 48. Can a number

    asked by mysterychicken
  84. Chemistry

    Why is it important for you to know how to separate solids from liquids?

    asked by Ash
  85. math

    The perimeter of the small square is one-third the perimeter of the large square. What are the side lengths of the squares? small square side = x large swuare side = x + 2

    asked by rebecca
  86. math

    The sides of a parallelogram are 15 ft and 17 ft. One angle is 40° while another angle is 140°. Find the lengths of the diagonals of the parallelogram (to the nearest tenth of a foot)

    asked by ana
  87. physic

    In a house the temperature at the surface of a window is 25 ¡ãC. The temperature outside at the window surface is 5.0 ¡ãC. Heat is lost through the window via conduction, and the heat lost per second has a certain value. The temperature outside begins

    asked by firous
  88. College Chemistry

    If 69.3g of magnesium chloride were produced from a process with a known yield of 78.3%, find the mass of carbon tetrachloride in grams that was used. Equation: 2CCl4 + MgCrO4 -> 2COCl2 + CrO2Cl2 + MgCl2 I was able to solve it but I just don't understand

    asked by Bach
  89. trignometry

    if 12 cot^3 A - 31cosecA+32=0 thend find SinA ?

    asked by pramod
  90. stats

    A statistics practitioner wishes to test the following hypothesis: H0 : ì = 600 against H1 : ì < 600 A sample of 50 observations yielded the statistics: mean x = 585 and standard deviation sx = 45. The test statistic of a test to determine whether there

    asked by joseph
  91. stats

    A statistics practitioner formulated the following hypothesis: H0 : ì = 200 against H1 : ì < 200 and learned that x = 190 n = 9 and ó = 50. The p– value of the test is (1) 0.6 (2) 0.2743 (3) 0.7743 (4) −0.2743 (5) Cannot be found with information

    asked by joseph
  92. Chemistry

    At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of oxygen gas and excess water to produce nitric acid according to the following equation: 2NO(g)+(3/2)O2(g)+H2O(l)-->2HNO3(g) If all of the nitric acid produced by this reaction is

    asked by Claire
  93. Algebra

    2 (3a - 4) - 2 (4a + 3) simplify 2 (a + 4) = 4 (a - 3)solve the equation Any help would be appreciated, I am still learning. Thanks!

    asked by Lori
  94. Ms. Sue

    The term assimilation refers to when : A.*** a word is borrowed into English through different venues B. A latin adj. becomes an english verb C. certain sounds blend into and become similar to neighboring sounds. D. a Latin bse meaning does not fit the

    asked by henry
  95. physics

    The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme positions is 2.24 mm. If the frequency of the tuning fork is 440.7 Hz, what are the maximum velocity and the maximum

    asked by jess
  96. physics

    Two strings, each 19.5 m long, are stretched side by side. One string has a mass of 78.0 g and a tension of 180.0 N. The second string has a mass of 58.0 g and a tension of 152.1 N. A pulse is generated at one end of each string simultaneously. Once the

    asked by lisa
  97. English

    For the book into thin air Your reaction to the 5 sections. Describe the section. But don't get too caught up in telling the plot. You can assume your audience has read the book. Tell which parts or characters were interesting to you or surprised you. Give

    asked by Ryan
  98. Chemistry

    Determine the concentration of a dioxin solution whose percent absorbance is 0.40%

    asked by Stacey
  99. chemistry

    According to this chemical reaction, which is the number of grams of Fe produce from 14 moles of H2?

    asked by Ana
  100. chemistry

    HOF-->HF + 1/2O2(oxygen) Half life: 30 minutes If the partial pressure of HOF in a 1.00 L flask is initially 100 mm Hg at 25C, what is the total pressure in the flask and the partial pressure of HOF after exactly 30 minutes?

    asked by Anonymous
  101. physics

    A 0.56-kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 6.0 s when the amplitude is 1.5 cm. The mass of the pendulum is now reduced to 0.35 kg. What is the period of oscillation now, when the amplitude is 2.8 cm?

    asked by carmen
  102. latin bases

    which statement is not a requirement for anadequate definition? A)***a definition should not be expressed in the negative. b) a definition should be complex C)a definition should use a noun to define a noun a verb etc D)a definition should not giv an

    asked by henry
  103. math

    If Swin uses tje equation S=25w+300 to figure out how much money she has in the bank, where w is the number of weeks since she opened the account. Which list shows the pattern of how muchmoney Swin could have starting from the time she opened the account?

    asked by Anonymous
  104. math

    julie arrived 20 minutes before the race began. she started right on time. it took her 24 minutes to finish the6-kilometer race. she stayed 10 minutes after the race to cool off; she left. if she arrived at the race at 9:10a.m., what time was it when she

    asked by PAULA
  105. Socials Studies

    1. Why did many people leave Iceland in the 1870s? They were driven from their homeland by a series of volcanic eruptions. 2. Why did they choose Canada as a destination? ??? Can someone please help me with the second question. thanks.

    asked by John
  106. English

    1. Which club do you go to? I go to a quilt club. 2. Which club do you belong to? I belong to a broadcasting club. 3. Which club are you in? I am in an RCY club. (Are the answers and questions the same?)

    asked by rfvv
  107. math

    A painter needs to cover a triangular region 62 meters by 66 meters by 71 meters. A can of paint covers 70 square meters. How many cans will be needed?

    asked by pepe
  108. chem - pressure

    A closed vessel with volume of 226.9mL initially contained air at 680.8mmHg at 16.5 degrees celcius. A sample of an organic liquid of mass 0.113g was injected into the flask which was then warmed to 124.9 degrees celcus causing all the organic liquid to

    asked by T
  109. math

    A stained glass window is composed of 20 triangular sections, each with sides 6, 8, and 7 in. Find the total area of the window (to the nearest square inch).

    asked by pepe
  110. Stats

    Hi please help. The proportion of coaches who spend more than 120 minutes at the sport is 0.023. Out of 1000 coaches, the expected number who will spend more than 120 minutes at the sport is: (1) 1023 (2) 120000 (3) 23 (4) 977 (5) 63.24

    asked by Jen
  111. economics

    How can you use information about the business cycle when making a decision about a large purchase?

    asked by Bridget
  112. caculus (pipeline)

    A common problem encountered by the oil industry is to determine the most cost-effective route to connect various wells in an oil fertile area. The attached map is a copy of a section of a U.S. Geographical Survey contour map with a wetland area outlined.

    asked by miley
  113. rotational mechanics

    a thin rod of length 2R and mass M is standing vertically on a perfectly smooth floor. the state of equilibrium in which the rod at rest is unstable and the rod falls. FInd the trajectories that the various points of rod describe and velocity with which

    asked by pramod
  114. human services

    What is the difference between primary, secondary, and tertiary preventio? I am workiong on three scenario's in hsm/210?

    asked by sally
  115. 11th grade Physics

    How many current paths are there in a series circuit connection?

    asked by Javier
  116. Physics

    Compare and contrast concepts of unsaturated, saturated and super saturated solutions. How would you make each type. What would they be useful for?

    asked by Paul
  117. Physics

    Explain how the following changes in a reaction conditions will affect the position of the equilibrium below. A (g) + B (aq) C (s) + heat 1. The temperature of reaction is raised by 20 degrees C 2. As the reacton progresses, more of the compound B is added

    asked by Thomas
  118. stats

    Suppose the mass of college students can be modeled by the normal distribution. We believe the mean of the normal distribution is 72 kg. We randomly sample 18 students and find an average of 69 kg and a standard deviation of 4kg. A. The standard error of

    asked by judy
  119. Managerial Accounting

    1) If the Cost were split simply 50-50- than allocated expense would be - Advertising Expenses - $ 2.5 M for each business and warehouse expenses - $ 1.5 M for each business 2) As per my view the Advertisement expenses should be allocated in the ratio of

    asked by Tootsie
  120. English

    Hi I am writting an essay on a book called 'Funny Boy' I have to answer this question: Selvadurai raises questions about the nature of identity—national, familial, sexual, postcolonial, ethnic, racial—and how the suppression of one’s burgeoning or

    asked by Mary
  121. Chemistry

    I need to find the rate constant. I know that it takes 2A to make B, but I am mixed up on how to figure out how to find the concentration of A at 69s

    asked by Val
  122. Economic

    1.According to the law of demand, when the price of an item goes up, the quantity demanded a. stays at the same level. c. falls. b. rises. d. adjusts 2. According to the law of supply, higher prices prompt producers to a. increase demand. c. produce less.

    asked by Candace
  123. statistics

    the heights of 1000 students in a college are normally distributed with a mean 5’10" and SD 2". Use 68% for the region from the mean to 1-SD on either side; 94% for the region from the mean to 2-SD on either side and 98% for the region from the mean to

    asked by hr
  124. calculus

    Find the point on the function y= 1/ x, x>0 that is closest to the point (2,2) and then state the minimum distance.

    asked by Anonymous
  125. Human Resources Management

    The certification process in skill-based pay is analogous to.... a. job analysis b. compensable factors c. regression analysis d. factor degrees and weights

    asked by Kimberly
  126. English

    1. I am in the video media club. We learn how to make videos and upload them on the Internet. 2. I am in the print media yp club. We learn how to make documents and make books. 3. I am in the information communication yp club. We learn about computer and

    asked by rfvv
  127. chemistry

    *The Nernst Equation and pH* Sulfuric acid is a very strong acid that can act as an oxidizing agent at high concentrations (low pH). Under standard conditions, sulfuric acid has a low reduction potential, SO4^2-(aq) + 4H^+(aq) + 2e^- SO2(g) +

    asked by Sarah
  128. chemistry

    to increase therate of solvation of carbon dioxide, what must a scientist consider? should they decrease the temp and increase the pressure, or vice versa?

    asked by debby
  129. MATH/ CALCULUS PIPELINE

    A common problem encountered by the oil industry is to determine the most cost-effective route to connect various wells in an oil fertile area. The attached map is a copy of a section of a U.S. Geographical Survey contour map with a wetland area outlined.

    asked by miley
  130. 6th grade

    A cylindrical glass is 13cm tall and has a radius of 4cm. What is the volume of the glass in cubic cm? What is the volume of the glass in liters if 1cm is equal to .001 liter?

    asked by Kyle
  131. math

    surface area of a rectangular prisms i have one with the same # on each side how many times should i * it

    asked by kate
  132. stats

    To test the hypothesis H0 : ì = 100 against H1 : ì > 100, a statistics practioner randomly sampled T observations and found the mean x = 106 and the standard deviation sx = 35. The value of the test statistic is equal to (1) 1.1743 (2) −1.7143 (3)

    asked by sam
  133. STATS

    Suppose we want to test the null hypothesis H0 : ì = 400 against H1 :ì < 400. The test statistic is calcuated as −1.23 and the two-tailed critical value is 1.96. The appopriate p–value will be (1) −0.0500 (2) 0.3907 (3) 0.1093 (4) 0.8907 (5)

    asked by SAM
  134. college calculus

    a point is moving on the graph of xy=30. when the point is at (6,5), its x-coordinate is increasing by 6 units per second. how fast is the y-coordinate changing at the moment

    asked by daren
  135. physics

    The period of oscillation of a spring-and-mass system is 0.56 s and the amplitude is 4.1 cm. What is the magnitude of the acceleration at the point of maximum extension of the spring?

    asked by anonymous
  136. check

    select the correct definition of the word linear A)***arranged in a line B)division into lines C)to outline D)location of a line

    asked by henry
  137. physics

    The air pressure variations in a sound wave cause the eardrum to vibrate. Find the maximum velocity and acceleration of the eardrum for vibrations of amplitude 1.5 10-8 m at a frequency of 19.0 Hz.Repeat (b) for the same amplitude but a frequency of 19.0

    asked by mike
  138. Chemistry

    I have a question about buffers. Part A So it starts with 20ml 0.1 sodium acetate and 25ml 0.1 acetic acid. Calculate ph of buffer is 4.74 because the acid and conjugate base have the same molarity correct? So the Ph is just pKa (1.8e-5)? Part B So the

    asked by Rio
  139. English

    How do you pronounce the leading actor, DeCaprio in the movie Titanic?

    asked by rfvv
  140. algebra

    1. Imagine you are in the market for a new home and are interested in a new housing community under construction in a different city. a. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to

    asked by Devin
  141. us history

    Sara, Sorry to bother you again, I read the websites you provided for me and I do thank you very much. I decided to do the interview on the coal mine workers, but where do I find the list of coal mines established in the 19th century that associates with

    asked by Lauri
  142. Physics

    A person of mass 70kg slides across a slippery floor at 2m/s. If the coefficient of kinetic friction is 0.05 and that of static friction is 0.35. Find the distance the person will slide before stopping.

    asked by Joachim
  143. chemistry

    A closed vessel with volume of 226.9mL initially contained air at 680.8mmHg at 16.5 degrees celcius. A sample of an organic liquid of mass 0.113g was injected into the flask which was then warmed to 124.9 degrees celcus causing all the organic liquid to

    asked by T
  144. Western Civilization

    How did industrialization change traditional society?

    asked by Pauline
  145. chemistry

    what makes a good buffer? is it that it has a strong base and a strong acid? and why is blood a good buffer? is that because the oxygen it carries acts as a strong base?

    asked by joyce
  146. chemistry

    For the first-order reaction A => 3 B + C, when [ A]0 = 0.014 mol·L-1, the concentration of B increases to 0.017 mol·L-1 in 2.7 min. (a) What is the rate constant for the reaction expressed as the rate of loss of A? I found this to be .1923, which I know

    asked by Val
  147. chemistry

    When you consume a lot of food that is basic, how does your stomach respond to it? Why is this response necessary? Do you want to neutralize ALL the acid in your stomach? Why or Why not (Hint: What is the stomach acid for?) Describe and explain two

    asked by Stuart
  148. chemistry

    How many moles of chlorine are needed to react with 3.30 moles of aluminum?

    asked by libby
  149. chemistry

    Background information: The concentration of various cations in seawater in moles per liter are Na+ (0.46M); Mg2+ (0.056M); Ca2+ (0.01M); Al3+ (4x10^-7M); Fe3+ (2x10^-7M) Question: If enough OH- ion is added to precipitate 50% of the Mg2+, what percentage

    asked by mel-2
  150. thermo

    Saturated water vapor at 100 kPa jets into a pitcher containing 0.17 Kg of water initially at 278 K. If steam ow rate is 4 gm/min, estimate how long it takes to heat the water to 322 K. Assume the process is at constant pressure (at 100 kPa) and kinetic

    asked by john
  151. physics

    A 1000m3 rocket weighing 2.0x10^3 kg is going to be launched into space. On ignition, gas is expelled from the bottom of the rocket at a speed of 2.4x10^3 m/s relative to the rocket. The rate at which the fuel is consumed is 8.02kg/s. Is there a time delay

    asked by J
  152. hsm 210

    week 8 . need hel getting started with evaluating communication strategies

    asked by tom
  153. Algebra

    1. Classify the following number as rational or irrational: 4.1 rational? 2. True or False: The Associative Property allows you to change the order of terms in an expression. False? Thanks -MC

    asked by mysterychicken
  154. science, chemistry

    Calculate the work done when 70.0 g of tin are dissolved in excess acid at 1.00 atm and 29°C. Assume ideal gas behavior. Sn(s) + 2 H+(aq) Sn2+(aq) + H2(g) what???

    asked by amy
  155. English

    A Picture is Worth a Thousand Words: Create a collage that depicts a scene or scenes from the play, HAMLET. Use pictures and words cut out from magazines or other sources to create your collage. Write an explanation that describes the scene and explains

    asked by Ryan
  156. Chemistry

    Can you please someone check my answer for me? I don't know how to start thses answer. Chemistry is not my things. Please give me answers. :( a)Determine the number of grams in 0.750 moles of the compound Iron(II)phosphate: Fe3(PO4)2. Answer: ? b)How many

    asked by Anonymous
  157. stats

    In a random sample of 500 students, 80% say they have a part-time job. An approximate 95% confidence interval for the proportion of students with part-time jobs is: (1) (0.758; 0.842) (2) (0.765; 0.835) (3) (0.770; 0.830) (4) (0.800; 0.835) (5) (0.782;

    asked by cindy
  158. Finance

    NET INCOME BEFORE TAXES OF $200,000 AND SALES OF $2,000,000. IF IT IS IN THE 50% TAX BRACKET, WHAT WOULD IT'S AFTER TAX PROFIT MARGIN BE?

    asked by TARA
  159. Finance

    If sales grew 20% from 10,000,000 to 12,000,000 and the discresinary financing needs is 500,000. What percent of sales grown would be needed to equal a DFN of zero.

    asked by Amie
  160. STATS

    Determine the p–value associated with the values of the standardized test statistic z = 1.05 for one-tail test. (1) 0.3531 (2) 0.1469 (3) 0.8531 (4) 0.0146 (5) 0.2938

    asked by SAM
  161. chemistry

    to increase therate of solvation of carbon dioxide, what must a scientist consider? should they decrease the temp and increase the pressure, or vice versa?

    asked by debby
  162. Chemistry

    How many protons, nuetrons, and electrons are in 18 2- O 8

    asked by Meg
  163. 12th grade

    cos x sin x

    asked by Joseph
  164. business

    1. CheckPoint: Identifying Fallacies • Resource: Ch. 6 End-of-Chapter Exercises and the Answers, Suggestions, and Tips for Triangle Exercises section of Critical Thinking • Complete Exercise 6-6 on pp. 194-196 of Critical Thinking. You are not required

    asked by charles
  165. Stonehenge

    What do people do at Stonehenge?

    asked by Simon
  166. history

    I have to do a paper on the railroad strike of 1877, but I find that there is too many websites. My teacher does not want us to use Wikipedia since the information changes too much. I have looked at all of them, but cannot find a good one. We have to

    asked by Nancy
  167. Chemistry

    How do I solve this? The usual partial pressure of oxygen that people get at sea level is .20 atm, that is, a fifth of the usual sea level air pressure. People used to 1 atm air pressure begin to become light headed at about .10 atm oxygen. As a rule of

    asked by Avalon
  168. accounting

    I need an understanding of a few matters in my accounting class: 1) what are annuities and why is it necessary to calculate there present value? 2) How does the frequency of interest compounding, regardless of the rate of interest or period of accumulation

    asked by Stumpped on Accounting
  169. calculus

    Determine when y'' = 0 y'' =1 / sq.rt.of (x^2 + 1)^3

    asked by Anonymous
  170. math

    What is the input when the output is 11, 17, 23 output =3m-4

    asked by beebe
  171. Religion

    How do contemporary Buddhist practices reflect the foundations of the religion?

    asked by Torri
  172. Algebra 2

    simplify ã15*ã42 _________ ã35

    asked by teri
  173. business

    i want to start business of Mineral water manucfacturing in kolkata,can any body suggest me how can i start this business.how can i purcahse machinery in kolkata.and also tell me the projected cost for entire set-up

    asked by Anonymous
  174. HUMAN RESOURCES

    Describe one historical period in public personnel administration. Analyze the social political environment of the perspectives that influenced the HR perspective in use at the time.

    asked by LISA
  175. math

    which is greater 4 m or 400 dm

    asked by cassie
  176. thermo

    Consider a cylinder containing air at 1200 kPa and 350 C and then, the air is expanded to 140 kPa with a reversible adiabatic process. Calculate the speci c work (kJ=Kg) done by the gas. Assume calorically perfect gas

    asked by john
  177. Health

    I was wondering if these are correct. 1. The patient had a cystectomy. What does the root of this word mean? A. Kidney B. Bladder C. Sac D. Meatus Answer: C 2. When the uterus extends outside the !@#$%^&, a condition known as ______ exists. A. dysplasia B.

    asked by B B
  178. chemistry

    If you calculate the density of a gallon of CO2 gas at 27degrees celcius and 0.50 atomic pressure what the atomic pressure be?

    asked by Angela
  179. science please no websites

    could you please give me an example of the following(types of friction) : -static -sliding And also: -friction -buoyant force -air resistance Thank You!

    asked by dina
  180. statistics

    The first class in a relative frequency table is 50-59 and the corresponding relative frequency is.0.2. what does the 0.2 value indicate?

    asked by jose ricardo
  181. calculus

    s(t) = t^4 - 2t^2 + 1 t is greater than or equal to 0 Find the interval(s) in which the robotic arm is slowing down in the negative direction.

    asked by Anonymous
  182. 11th grade Physics

    How many current paths are there in a parallel circuit connection?

    asked by Javier
  183. Chemistry

    Organic chemists state that the rate of a chemical reaction can be doubled by increasing the reaction temperature by ten degrees Celsius. Explain this drastic increase in reaction rate using the concept of reactins and kinetic molecular theory

    asked by Celia
  184. Health

    1. A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like "I've eaten something that has upset my stomach.: She denies vomiting and weight loss. The patient has noticed a weight gain of 10

    asked by B B
  185. Chemistry

    Why is there no reaction between Cr2(SO4)3 and Na2SO4?

    asked by Sarah
  186. college calculus

    a point is moving on the graph of xy=30. when the point is at (6,5), its x-coordinate is increasing by 6 units per second. how fast is the y-coordinate changing at the moment

    asked by daren
  187. Chemistry

    Why is there no reaction between Cr2(SO4)3 and Na2SO4?

    asked by Sarah
  188. chem

    Can someone show me the structural formula (lewis diagram) for ethene??? Please

    asked by Stacey
  189. check please

    identify the latin basein the word aggrandize a)ize- B)ag- C)grand- D)***aggra-

    asked by henry
  190. Child Development

    My Moral Reasoning assignment says to select one of the age groups I chose in week 6: Middle Childhood (6-10). Then says: Decide on child's age, what level and stage he or she is at developmentally, and list some characteristics demonstrating the nature of

    asked by Lola
  191. Chemistry

    How do I solve this? The usual partial pressure of oxygen that people get at sea level is .20 atm, that is, a fifth of the usual sea level air pressure. People used to 1 atm air pressure begin to become light headed at about .10 atm oxygen. As a rule of

    asked by Avalon
  192. math

    2 = 8 (s + 7) 2 = 8s + 56 56 - 2 = 8s 54 = 8s /8 /8 6.75 = s did i do this question right?

    asked by rebecca
  193. vocab

    write a sentences for brother's and brothers

    asked by bridget
  194. physics help

    The period of oscillation of a spring-and-mass system is 0.56 s and the amplitude is 4.1 cm. What is the magnitude of the acceleration at the point of maximum extension of the spring? m/s2

    asked by lisa
  195. CHECK .

    Idntify the latin prefix in the word circumfrence. A. cir- B. *circ- C. circu- D. circum-

    asked by henry
  196. Chemistry

    Are Lewis acids and bases defined using dissociation, electron pairs, hydrogen ions, or hydroxide ions? Does a Lewis acid accept, produce, or donate hydrogen ions, or does it an electron pair acceptor?

    asked by tori
  197. geometry

    what is the surface area of a box, that has the length of 15 in , a width of 8 in . and a height of 3 in.

    asked by isabelle
  198. Math

    Im going to try another percentage problem. Will you please double check me. Thanks for all your help! 2580/4440=.581081081 Change to percent and round to nearest tenth. .581081081*100=58.108 rounded to nearest tenth is 58.1%

    asked by Amy
  199. math

    what is the expression r^2+s^3 when r=5 and s=3

    asked by pAvLeEn
  200. algebra

    2. As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. a. The sales representative here tells you they also have two floor plans available, but they only have

    asked by Devin
  201. algebra

    John's car is 13 feet long. He is making a model that is of the actual size. Which proportion below should be used to find the length, L, of the model?

    asked by Anonymous
  202. science

    the space occupied by a solid

    asked by shane pearson
  203. hum/205

    i need to create a 2-page, informative newspaper advertisement for the exhibition. in a 300-400 words of text describing the exhibition. A description of the cultures, including the religion, language, and general philosophies and beliefs. A description of

    asked by veronica
  204. To Alex - re Math

    Your umpteen posts been removed. Once you write up YOUR THOUGHTS, please re-post, and someone here will be happy to comment.

    asked by Writeacher
  205. calculus

    Given v = sq.root of g^2 + 2gs where g is a constant and v is velocity and s is a positive function. Show that acceleration is a constant.

    asked by Anonymous
  206. math

    the graph shows a circle with a radius 1 inscribed in the parabola y=x^2. Find the center of the circle.

    asked by blake
  207. math

    Determine the length of a pendulum that has a period of 4 seconds.

    asked by elvis
  208. english

    what is "we are paid" mean? does that mean someone offer us money or we pay money to someone

    asked by english
  209. science please help

    could you please give me an example of the following(types of friction) : -static -sliding And also: -friction -buoyant force -air resistance Thank You!

    asked by dina
  210. Chemistry

    2A-->B+C given that the initial concentration of A is .022M and that at 69 s, the concentration of B increases to .0095M, what is the rate constant? i know I need to find the new concentration of A at 69s, but I am having trouble with findthing this. I

    asked by Val
  211. math

    1-show that 1-x/2 is the tangent line approximation to 1/ sqrt of 1+x near x=0 2-what is the local linearization of e^x^2 near x=1 3-find the tnagent line approximation of 1/x near x=1

    asked by piper
  212. math

    Help please. Determine the length of a pendulum that has a period of 4 seconds.

    asked by hey
  213. chemistry

    why there no color change in Glycine when mix with HNO and NAOH

    asked by john
  214. chemistry

    why there no color change in Glycine when mix with HNO and NAOH

    asked by john
  215. calculus

    What is the domain of y= sq.rt. of (x^2 + 1)

    asked by Anonymous
  216. Pre-Cal(urgent)

    Find u X v, where Q is the angle between u and v. magnitude of u =4 magnitude of v=10 Q=2pi/3 The Q is the part that is throwing me off. I do not know where to start.

    asked by Hannah
  217. 11th grade Physics

    What happens when an insulator is wired in series with the bulb? Is trhe swich open or closed?

    asked by Javier
  218. Astronomy

    Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 13 Earth radii from Earth's center?

    asked by Anonymous
  219. college, Astronomy

    Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 13 Earth radii from Earth's center?

    asked by Anonymous
  220. English

    I'm looking for some resources that give webcam usage data or any kind of research studies on them. I've checked ebscohost and google scholar so far. Any ideas? Maybe other search terms to use? Thanks in advance

    asked by Kat
  221. geometry

    What has 4 equal sides, and both paris of opposite sides are parallel but it dose not contain a right angle?

    asked by Erin
  222. CHEMISTRY

    Why do the metallic elements of a given period (horizontal row) typically have much lower ionization energies than do the nonmetallic elements of the same period?

    asked by student
  223. math

    1/3(9 + g) = g+1 can you please show me the steps and answer for this question?

    asked by rebecca
  224. latin bases check please

    the latin bases in your text A)***a printed in capital letters B)printed in italics C)underlined D)put in parentheses

    asked by henry
  225. BIO100

    Post a 200- to 300-word response to the following: In your own words, summarize each of the major theories of biology. Choose one theory and provide an example of how this theory relates to the news today. Use at least one outside reference in addition to

    asked by Jenny
  226. Chemistry

    How many moles are there in a 4.3 mole of tungsten?

    asked by Chelly
  227. geometry

    which units would you most likely use to describe the difference in height between a cricket and a grasshopper

    asked by lol
  228. math

    i have a gallon of paint that contains 35% solids and 65% water.if i add 5% 6.4 more ounces of water to it what will the solids content be.can you show to figure this out thank you

    asked by derick
  229. math

    If the cirumference of a circle is 16 pi what is the radius

    asked by pAvLeEn
  230. Latin prefix

    since the word segregate contains the Latin prefix se-,part of the meaning refers to: a.under b.behind c.forward d.aside

    asked by larry
  231. latin bases

    Which Latin base means to see? a.CLUD b.PLEN c.VOC- d.VIS-

    asked by larry
  232. Algebra 2

    Find the real roots of the eqution 16x2(squared) = 81

    asked by teri
  233. pre-Cal(Please help)

    Use the law of cosines to find the angle Q between the given vectors. v = 3i + j w = 2i - j

    asked by Hannah
  234. CRT/205

    CRITICAL THINKING CHECKPOINT 2

    asked by tony
  235. Chemistry

    The half-life for the second-order reaction of a substance A is 55.8 s when concentration of initial A = 0.69 M. Calculate the time needed for the concentration of A to decrease to the following values. (a) 1/8 of its original value (b) 1/9 of its original

    asked by Val
  236. physics

    an ultrasonic beam reflects off a tumor in an organ at Θ = 44 degrees with a shift L = 3 cm. If the speed of the wave is 29 % less in the organ than in the medium above, determine the depth of the tumor below the organ's surface.

    asked by Winnie
  237. MUSIC

    Tell me about maurice ravel his childhood ( fam and friends) his love life his passion his accomplishments his death

    asked by miley
  238. math

    The tires of a car have 25in diameter to the nearest tenth, how many revolutions does each tire make in a mile

    asked by iris
  239. com220

    how can I gather and evaluate information that is credible?

    asked by Evy
  240. Eng

    hi I need help editing my intro. How can i open with an interesting question yet keep it formal. please proof read. Do the terms national, familial, sexual, postcolonial, ethnic and racial hold the same meaning? Ofcourse not. However, Selvaduri’s Funny

    asked by Mary
  241. integrated algebra

    5-3(2b-3)= -4

    asked by jake
  242. Chem.

    can anyone give me a good web site to review Alcohols Aldehydes o Ethers o Ketones o Carboxylic acid o Esters o Amines o Amides

    asked by blue
  243. Algebra

    4. Does the following set of coordinations make a horizontal, vertical, or diagonal line when connected with a straight line? (4, 5) (2, 5) 5. Positive slope indicates a _____ process. a. steady b. gaining c. losing d. slow A? 6. The m in the equation y=

    asked by mysterychicken
  244. marketing

    true or false? without the marketing concept, a business will develop a product or service and then decide how to market the product

    asked by ty
  245. Physics

    What happens to a bulb when a conductor is wired in series with the bulb (bulb lights or dosen't light)? Is the swich open or closed?

    asked by Javier
  246. Math

    Find u X v, where Q is the angle between u and v. magnitude of u =4 magnitude of v=10 Q=2pi/3 The Q is the part that is throwing me off. I do not know where to start.

    asked by Hannah
  247. math

    i have to find the suface area of rectangular prisms here is the problem 9*2.1 2.1*4.4 4.4*9 i got 135.48 is that right

    asked by kate
  248. math

    4 1/5x3/4x6=

    asked by michele
  249. Health

    2. When the uterus extends outside the !@#$%^&, a condition known as ______ exists. A. dysplasia B. hyperplasia C. Bartholin's gland abscess D. prolapse Answer: A (correction D) 3. The patient had a diagnosis of Addison's disease, which is caused by

    asked by B B
  250. 11th grade Physics

    What happens when an insulator is wired in parallel with the bulb? is the swich open or closed?

    asked by Javier
  251. Chemistry

    You have a 1 L container of F2 at 20 degrees C and 1 atm. Subtract the weight of the container , what is the mass of the gas

    asked by Andrea
  252. Health

    1. The patient had a cystectomy. What does the root of this word mean? A. Kidney B. Bladder C. Sac D. Meatus Answer: C 2. When the uterus extends outside the !@#$%^&, a condition known as ______ exists. A. dysplasia B. hyperplasia C. Bartholin's gland

    asked by Brenda
  253. algebra 1

    how can you solved this problem-3n squared+5n-2=0 using discriminant and to know if it is 1 or sol

    asked by christina
  254. English

    Can someone explain this....."I've got a theory". I looked up the def. of perverse and realized it's someone who is stubborn or wrongly self-willed. But I'm confused on that quote stating "I've got a theory". How is this quote related to perverse?

    asked by Rachel
  255. math (pre-calc)

    Analyzing a Stock. The beta, B of a stock represents the relative risk of a stock compared with a market basket of stocks, such as Standard and poor's 500 Index of stocks. Beta is computed by finding the slope of the line of best fit between the rate of

    asked by Rony
  256. chem

    How many moles of chlorine are needed to react with 3.30 moles of aluminum?

    asked by caroline
  257. Math

    What is the property type of (2x100)+[(1x100)+(3x10)]+(5x10)

    asked by Ron
  258. science

    What is the storm on Jupiter?

    asked by Emma
  259. Chemistry

    How many moles are there in a 4.3 mole of tungsten?

    asked by Chelly
  260. SIMILIES

    i need one really good and significant simile.

    asked by Anonymous
  261. math

    b+3/4 = b-1/2 could you help me with this question?

    asked by rebecca
  262. Chemistry

    Are Lewis acids and bases defined using dissociation, electron pairs, hydrogen ions, or hydroxide ions?

    asked by tori
  263. math

    what is a n angle

    asked by pAvLeEn
  264. Reading

    What was corn prepared for 200 years ago

    asked by Heather
  265. somatic vs. germ cell

    is polar body a germ cell?

    asked by Anonymous
  266. Math

    Kalvin wants to eat Coco blast but his mom doesn't want him to because it's to sugary.So, Kalvin decides to flip a penny. Every time he gets a head he eats coco blast, and every time he gets tails he doesn't. Later on he found out it did not help b/c it

    asked by Blair
  267. English

    1. When do I have to return it by? You have to return it by tomorrow/Monday. 2. When is the due date? The due date is March 3rd. 3. When is the deadline? The deadline is tomorrow evening. (Are the questions and answers correct?)

    asked by rfvv
  268. math

    A box contains two dimes and four quarters. What is the expected value of a single draw of one coin under the assumption that one cannot distinguish between the coins on the basis of size? can you please explaing for elementery students

    asked by purple
  269. math

    Please help me. I can't seem to get the answer of 165 degrees. Find the angle ϴ between the vectors. u=3i-3j, v=-2i+2√3j

    asked by Gary
  270. science

    The ______ of a transverse wave is the distance between 2 crests or 2 troughs.

    asked by bob
  271. business law

    Task: Read the following two scenarios and explain for each scenario, all the torts that have been committed, any arguments that can be used as a defence or to limit liability, and likely liability which will be imposed on each of the parties. Scenario 1

    asked by Karen
  272. Biology

    What are the treatments for Miller Syndrome. A website would be nice:) Thanks!

    asked by Rebekah
  273. math

    whats 17=5b+8

    asked by pAvLeEn
  274. ETH125

    What are some of the changes the United States has made to policies concerning the treatment of Muslim and Arab members of society

    asked by norma
  275. AED 201

    Search the Internet for three time management tips for teachers. List the tips, in a separate document and answer this question: How do you think these tips will affect your daily schedule as an educator? Provide a comment on how each one serves to improve

    asked by Rayna
  276. algebra

    Anyone? Prove that if a and b are rational numbers, (a + ^b)3 + (a - ^b)3 is also rational. ^ = sq root sign Thanks

    asked by brenna
  277. Finance

    If sales grew 20% from 10,000,000 to 12,000,000 and the discresinary financing needs is 500,000. What percent of sales grown would be needed to equal a DFN of zero.

    asked by gregory
  278. science please no websites

    what is the scientific definition of individual THANK YOU!

    asked by me
  279. science please no websites

    could you please give me an example of the following(types of friction) : -static -sliding And also: -friction -buoyant force -air resistance Thank You!

    asked by me
  280. adult education

    what would hospitals administrators use to make decisions about inpatient services

    asked by pat
  281. U.S. history

    Assume the role of a newspaper journalist covering a story on industrial workers in the late 19th Century.

    asked by Lauri
  282. band

    can you give some music leaning site

    asked by kate
  283. math

    3sqrt(7)-3sqrt(64)+7sqrt(112)

    asked by ryan
  284. english

    Critique this paragraph:Wife beating affects a woman both physically and emotionally. Having little or no charge of financial matters, or plans, these women devote themselves to their husbands and families, often resulting in a loss of friendship and

    asked by Tasha
  285. 10th grade

    how does electric discharge affect the society?

    asked by Anonymous
  286. government

    Which statement about the senate is true?

    asked by jacky
  287. Algebra 2

    i am stuck. Prove that if a and b are rational numbers, (a + ^b)3 + (a - ^b)3 is also rational. ^ = sq root sign Thanks

    asked by brenna
  288. math

    double my tens digit to get my ones digit. double me and i am less than 50? who am i

    asked by sydney
  289. 5th grade reading

    as a hurricane forms the warm air-- answer. goes up

    asked by Noria
  290. 5th grade reading

    on each side of a hurricane the-- answer warm air sinks

    asked by Noria
  291. Psychology

    How does psychology as a scientific discipline differ from the causal observations we make about the world in everyday life? What are the similarities?

    asked by Josephine
  292. social studies

    why is it that politicians rarely run campaigns on the idea of raising taxes?

    asked by kayla
  293. science

    what is the scientific definition of individual THANK YOU!

    asked by me
  294. integrated algebra

    -6x>18

    asked by brenda
  295. integrated algebra

    |x+4| >6

    asked by brenda
  296. Science

    These are 3 of the 21 questions i have and they seem pretty difficult. Someone help me please :). When you consume a lot of food that is basic, how does your stomach respond to it? Why is this response necessary? Do you want to neutralize ALL the acid in

    asked by Stuart
  297. Math 157

    What are the odds in favor of drawing a spade and a heart without replacement from an ordinary deck of 52 playing cards?

    asked by Tyga
  298. 11th grade

    ALACRITY,ALCHEMY,ECCENTRIC,EFFICACY, INSURGENCY,INTEGRITY,PENITENT,PENTECOSTAL, RESOLUTE,RESONATE. i need analogies for these words. any help??

    asked by Heather
  299. 11th grade Physics

    What happens when a conductor is wired in parallel with the bulb? Is the swich open or closed?

    asked by Javier