Questions Asked on
October 25, 2012

  1. High School Physics

    The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

    asked by .
  2. High School Physics

    The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

    asked by .
  3. High School Physics

    The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

    asked by Anonymous
  4. math

    Chelsea left the White House and traveled toward the capital at an average speed of 34 kn/h. Jasmine left at the same time and traveled in the opposite direction with an average speed of 65km/h. Find the number of hours Jasmine needs to travel before they

    asked by Joe
  5. math

    Jose left the airport and traveled toward the mountains. Kayla left 2.1 hours later traveling 35mph faster in an effort to catch up to him. After 1.2 hours Kayla finally caught up. Find Jose's average speed/

    asked by Joe Joe
  6. Chemistry

    Convert 29.8 atm into torr I did this 29.8(1/760) and got 22648 but its not going online as correct

    asked by Jena
  7. Stela

    CCl4 ClO4− ClF4− SiCl4 SO42− Which molecule or ion does not have a tetrahedral molecular geometry?

    asked by CHEM
  8. science

    I have made a thermometer which measures temperature by the compressing and expanding of gas in a piston. I have measured that at 100 degrees C the volume of the piston is 20 L. What is the temperature outside if the piston has a volume of 15 L? What would

    asked by Bob
  9. Algebra

    write the standard form of the equations: through (1,3) and (-4, -4) through (5,4) and parallel to y=4

    asked by Maddie
  10. social

    I am having a difficult time understanding spiritually during middle adulthood. The question is what is happening spiritually during middle adulthood? The are not talking about religion.

    asked by R.T.
  11. maths

    r-s-3t-u=1 2r+4s-2u=2 3r+4s-2t=0 r+2t-3u=3 find the solution

    asked by sim
  12. social

    What is a key social system support during middle adulthood?

    asked by R.T.
  13. College Chemistry

    Calculate the number of Joules released when 75.0 g of water are cooled from 100.0 degrees Celsius to 27.5 degrees Celsius

    asked by Josh
  14. College Chemistry

    The specific Heat of gold is 0.128 J/g degrees Celsius. How much heat would be needed to warm 250.0g of gold from 25.0 degrees Celsius to 100.0 degrees Celsius

    asked by Chris
  15. Chemistry Help

    The specific heat of zinc is 0.386 J/g degrees Celsius. How many joules would be released when 454 grams of Zinc at 96.0 degrees Celsius were cooled to 28.0 degrees Celsius.

    asked by Sam
  16. physics

    An 849 g mass is attached to a pulley and a 9 N weight is attached to a thin massless cord, as shown below. .5 849 g 9 N T What is the tension T? The pulley is massless and frictionless. The acceleration of gravity is 9.8 m/s 2 . Answer in units of N

    asked by Anonymous
  17. Physics

    A 640-kg racing car completes one lap in 14.3 s around a circular track with a radius of 55.0 m. The car moves at constant speed.(a) What is the acceleration of the car?(b) What force must the track exert on the tires to produce this acceleration?

    asked by Jamal
  18. physics

    A 130 N block rests on a table. The suspended mass has a weight of 63 N. 130 N 63 N µs a) What is the magnitude of the minimum force of static friction required to hold both blocks at rest? Answer in units of N

    asked by Anonymous
  19. geometry

    Triangle ABC is an equilateral triangle with sides of 1. Arcs are drawn from A,B,C. what is the perimeter?

    asked by Anonymous
  20. Tax question.

    Joe age 24 single amd not claimed as a dependent. In 2011 his only income Was 5,000 of unemployment and he had 500 of net income from mowing lawns. Joe must file a 2011 tax return. True or false I'm unsure because you I don't know if he has to file because

    asked by Lil
  21. College Chemistry

    What volume of the solution in 5a would be necessary to react completely with 23.00mL of 0.549M NH3 according to the equation: NiSO4+6NH3 -> [Ni(NH3)6]SO4 The molarity of ta is 1.667 x 10^-4M

    asked by Bill
  22. Calculus (Urgent Help)

    The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points at which these tangent lines occur.

    asked by Ren
  23. Accounting

    Inventory as of Nov. 30th, 2010, consists of 20 bikes costing $550 each. Balance Sheet: Nov. 30th 2010. Cash-9150 Debit Accounts Receivable-12300 Debit Inventory-11000 Debit Supplies-900 Debit Office Equipment-18000 Debit Accumulated Depreciation, Office

    asked by Kevin
  24. Chemistry

    A sample of CO2 gas in a syringe has a volume of 25.0 mL at 20.0 ºC. If you warm the gas in your hand to 37 ºC, what will be the final volume?

    asked by Jason
  25. Calculus (Help)

    The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points at which these tangent lines occur. What the derivative of the function?

    asked by Lerinda
  26. Calculus (Help)

    The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points at which these tangent lines occur. What the derivative of the function?

    asked by Lerinda
  27. physics

    A 0.5 kg block is sliding along a table top with an initial velocity of 0.2 m/s. It slides to rest in a distance of 70 cm. Find the frictional force that is slowing its motion.

    asked by kimi
  28. math calc 2

    a cattle trough has a trapezoidal cross section with a height of 1 m and horizontal sides of width 1/2 m and 1 m assume the length of the trough is 10 m. A. how much work is required to pump out the water in the trough? B. if the length is doubled does the

    asked by arnulfo
  29. hum 111

    How does the process of refining a solution for a problem differ from the process of refining a solution for an issue? Which do you think is more challenging?

    asked by Anonymous
  30. Intermediate Algebra

    8y+20/8 reduced to the lowest term

    asked by Haley
  31. Physics (Science)

    Hi, For my physics class, we have to design our own experiments to calculate the amount of power exerted for each situation. However, I'm really unsure of how to go about finding the power for the situations. The first situation is doing a push-up, and the

    asked by Krissy
  32. chemistry

    Three oxyacids of phosphorus nd its structure

    asked by Anonymous
  33. physics

    A bomber flies horizontally with a speed of 225 m/s relative to the ground. The altitude of the bomber is 3010 m and the terrain is level. Neglect the effects of air resistance. The acceleration of gravity is 9.8 m/s2 . a) How far from the point vertically

    asked by Sonia
  34. physics

    An ammeter measures rate of change of current or flow of charge?

    asked by HandsomeLala
  35. 4th garde math

    find the landmark in the set of number: 12, 16, 23, 15, 16, 18.

    asked by Anonymous
  36. algebra

    A biologist took a count of the number of migrating waterfowl at a particular lake, and recounted the lakes population of waterfowl on each of the next six weeks. Find the function that models the data as a function of x, the number of weekx. Use the model

    asked by LEE
  37. Halp me or i fall

    Write the number that makes the statement true. 1. 205.5 m = _____ mm (1 point) 205,500 0.2055 20.55 20,550 2. 199.2 km = _____ m (1 point) 199,200 19.92 19,920 0.1992 Use benchmarks to estimate the sum. 3. + (1 point) 2 1 0 Estimate the difference. 4. 6

    asked by Mj still livin fake hes death
  38. algebra

    The table shows a meteorologists predicted temperatiures for an April day in Washington D.C. Use quadratic regression to find a quadratic model for this data. Use the 24 hour clock to represent times after noon). time predicted temperature(F) 8a.m. 50.68

    asked by Jay
  39. maths

    x(x-5)(x+2) is the answer to this -4x^2 + 10x if not could you write the correct answer and explain hoow you got it

    asked by amy
  40. Human Behavior

    What does spirituality mean in middle adulthood but it is not related to religion?

    asked by R.T.
  41. English

    Which of the following is an example of indirect characterization? A.“brave Macbeth” B.“worthy gentleman” C.“Bellona’s bridegroom” I'm guessing C, but i'm really not sure. The help is so appreciated.

    asked by Anon
  42. Enlgish, possessive form of singular and plural no

    possessive form of family, brother, suitcase, child, government, pen, train, tree, woman, refugg, families, brothers, suitcases, children, governments, pens, trains, trees, women,refugees

    asked by Robin
  43. Math

    Daphne replaced light bulbs in her mothers store.She had 3/4 of a box of light bulbs. She used 1/3 of the bulbs. a. What fraction of the box of light bulbs was left? b. How many light bulbs are in a full box? Explain. Thanks to everyone who helps answer

    asked by Cherie
  44. nutrition

    Choose three nutritional labels off of food packaging. Explain the ingredients and how to read each label in terms of calories, protein, carbohydrates, fats, and percentage of daily recommended dietary value. Respond in a short essay format of 200 words of

    asked by Nichole
  45. Health

    You have been given the task of making a presentation to a group of junior high school students arguing against making marijuana legal. What are four risks associated with its use that you could include in your talk?.

    asked by DestinyLashea
  46. CHEM-Electron Density

    For each of the following pairs, identify which element tends to attract electron density from the other in a covalent bond and enter the four letters corresponding to these choices (e.g. ACEG, BDFH, etc.) A) O and B) C C) O and D) H E) Hg and F) C G) Si

    asked by Mikhaela
  47. geometery

    1.given the function y=x^2-4x+5,find the following: a.vertex b.maximum or minimum c.axis of symmetry d.y-intercept e.x-intercept(zeros) f.graph

    asked by sophie
  48. S.S

    5. What was the role of the Native Americans during the Revolutionary War? a. Native Americans did not fight in the Revolutionary War. b. More Native Americans fought with the British than with the Americans during the Revolutionary War. c. More Native

    asked by Jman
  49. Physics

    You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 114 N, the sled has an acceleration of 2.3 m/s2 If the sled has a mass of 7.6 kg, what is the mass of your little sister? I

    asked by Help Please
  50. Physics

    A speed skater goes around a turn that has a radius of 31 m. The skater has a speed of 13 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?

    asked by Orla
  51. Physics

    A satellite has a mass of 6179 kg and is in a circular orbit 4.83 × 105 m above the surface of a planet. The period of the orbit is 2.4 hours. The radius of the planet is 4.03 × 106 m. What would be the true weight of the satellite if it were at rest on

    asked by Orla
  52. Finance

    A company has identified the following investments as looking promising. Each requires an initial investment of $1.2 million. Which is the best investment?Question 4 options: A) a perpetuity that generates a cash flow at the end of year 1 of $100,000, has

    asked by Taylor
  53. Physics URGENT! PLEASE

    An object in equilibrium has three forces exerted on it. A 36 N force acts at 90° from the x axis and a 42 N force acts at 60°. What are the magnitude and direction of the third force?

    asked by Anna
  54. Math

    Determine whether a regular decagon has reflection symmetry and/or rotational symmetry. If it has reflection symmetry, state the number of axes of symmetry. If it has rotation symmetry, state the angle of rotation. Explain how you determined your answers

    asked by Mae
  55. maths

    prove Zn addition is commutative?

    asked by JENNY
  56. math

    Just wanting to make sure I've done this right... (a^2+5a-19)/(a+2)

    asked by Anonymous
  57. Physics

    The third harmonic of a guitar string has a frequency of 170 Hz. What is the length of the guitar string if the speed of the waves on the string is 125 m/s? 1.103 m 2.206 m 0.368 m 2.040 m

    asked by Meep
  58. Physics

    A metallic surface emits electrons when it is irradiated with a yellow light source of power 25 Watts. What happens to the emission of the electrons if one yellow light source is replaced by two violet light sources of same power? The number of emission of

    asked by Meep
  59. Physics

    What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle? The atomic number remains the same. The atomic number increases by two. The atomic number increases by one. The atomic number decreases by

    asked by tyewywtw
  60. Physics

    A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is replaced by a blue light? Electron emission would get stopped. Electrons are emitted with more velocity. Electrons are emitted with

    asked by Tyler
  61. maths

    explain why are the following not groups: 1)the set of Z integers with operation subtraction 2)The set of Z integers with operation addition 3)The set of R* of all non zero real numbers with addition

    asked by JENNY
  62. Physics

    A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that acts perpendicular to the flow of current in the conductor? 0.73 Tesla 6.60 Tesla 0.34 Tesla 0.61 Tesla

    asked by Anonymous
  63. Physics

    In the configuration shown (10m incline for m1 and 8m vertical length for m2 with a spring under it, both masses are linked by a rope and a pulley at the top), the 52.0 N/m spring is unstretched, and the system is released from rest. The mass of the block

    asked by Alphonse
  64. American history

    I need to answer questions about the woman in the crimson rambler and can not find any info on who she is to research her ??? Any ideas please desperate!!

    asked by Jessica
  65. calculus

    a curve is such that dy/dx = x^2 - 1 Show that no tagent to this curve is parallel to the line with equation 3x + 2y - 4 = 0

    asked by yuen
  66. Chemistry(Please check)

    Determine if the equation is SN1, SN2,E2 or E1. CH3CH2O- + CH3CH2BR = CH3CH2OCH2CH3 + BR- I think that this is SN2. Would you agree?

    asked by Hannah
  67. Algebra 2

    3. Identify the vertex and the axis of symmetry of the graph of the function y = 3(x + 2)2 – 3. (1 point) A- vertex: (2, –3); axis of symmetry: x = 2 B- vertex: (–2, –3); axis of symmetry: x = –2 C- vertex: (2, 3); axis of symmetry: x = 2 D-

    asked by Robert
  68. Math

    Prove the identities 1. cos3Ɵ + cos Ɵ = 4cos^Ɵ - 2 cos Ɵ 2. sin (A+B)sin (A-B)=cos2B + sin^2 A-1

    asked by Anonymous
  69. History

    Which West African kingdom was the first to benefit from the gold and salt trade? Ghana Songhai Mali Morocco My answer is Ghana.

    asked by S
  70. Physics!

    Two ropes pull on a ring. One exerts a 57 N force at 30.0°, the other a 57 N force at 60.0° (a) What is the net force on the ring? Magnitude __?__N Direction __?__° (b) What are the magnitude and direction of the force that would cause the ring to be in

    asked by Anna
  71. Physics

    In the configuration shown (10m incline for m1 and 8m vertical length for m2 with a spring under it, both masses are linked by a rope and a pulley at the top), the 52.0 N/m spring is unstretched, and the system is released from rest. The mass of the block

    asked by Alphonse
  72. English singluar and plural possessive nouns

    1. Slaves lives were terribly hard. 2. They wre at the mercy of owners whims. 3. A runawy life was in danger. 4. Often runaways traveled by the moon light. 5. It could take several weeks travel to reach the Norht. 6. Slaves hid directions in a song words.

    asked by Robin
  73. chemistry

    salt spread on icy roads because

    asked by Anonymous
  74. Chemistry

    ÄSvap > 0 Give a molecular interpretation for

    asked by Sue
  75. math

    solve for x e^(2x+3) -7 = 0

    asked by Jason
  76. physics

    State the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS b. +0.50 DS c. +1.75 DS

    asked by Anonymous
  77. Research Methodology for International Relations m

    I need help with an article and a chapter. I need to find a tutor who cna provide help with them.

    asked by soukayna
  78. Chemistry

    A 0.5370 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride ion is precipitated as AgCl by the addition of an excess of silver nitrate. The mass of the resulting AgCl is found to be 1.2523 g. What is the mass

    asked by Orla
  79. Physics

    Well, hard to imagine the picture, but by the description the wires each side are at 16 deg. back on each side of the tooth, i.e. each at 16 deg. to the face of the tooth. Each has 18N. tension. (sin 16) x 18 = 4.9608N. Double it (2 wires), = 9.9216N. back

    asked by D
  80. physics

    The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W = 55600 N. The lift force generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the

    asked by Anonymous
  81. Physics

    Part a of the drawing shows a bucket of water suspended from the pulley of a well; the tension in the rope is 107.5 N. Part b shows the same bucket of water being pulled up from the well at a constant velocity. What is the tension in the rope in part b?

    asked by Perry
  82. Calculus (Urgent Help)

    The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points at which these tangent lines occur.

    asked by JADE
  83. North American Climate

    If this statement is false please replace it with the correct word Subarctic continental is not a climate zone found in the lower 48 states of the U.S.? desert or mid latitude dry I believe that the statement is correct.

    asked by rawr... im a dinosaur.... rawr
  84. North America Climate

    Which of the following does not influence the distribution of climates in North America? a. tropical latitude location b. ocean currents c. high mountain ranges C.??

    asked by rawr... im a dinosaur.... rawr
  85. Physics

    A jet plane is flying with a constant speed along a straight line, at an angle of 26.5° above the horizontal, as Figure 4.30a indicates. The plane has weight whose magnitude is 86500 N, and its engines provide a forward thrust of 103000 N. In addition,

    asked by Perry
  86. math

    solve for x ln(5-2x)=3

    asked by Narra
  87. english

    Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow.People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

    asked by Aya
  88. Physics

    The drawing shows a circus clown who weighs 710 N. The coefficient of static friction between the clown's feet and the ground is 0.49. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the minimum

    asked by D
  89. english

    Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

    asked by Aya
  90. North American Climate

    a. Southwestern United States b. Northeastern Canada c. Southeastern United State c??

    asked by rawr... im a dinosaur.... rawr
  91. physics

    Only two forces act on an object (mass = 4.00 kg), as in the drawing. Find the magnitude and direction (relative to the x axis) of the acceleration of the object. Ftotal=Sqrt(60^2+40^2)=72.11(N) Angle=tan-1(60/40)= 56.3° (How did you get 56.3°) a=

    asked by Anonymous
  92. Physics

    A pendulum consists of a 2.6 kg stone swinging on a 4.5 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 53 ¢ª to the vertical? (b) What is the greatest angle with

    asked by Cody
  93. math

    determine between which consecutive integers the real zeros of each function are located. f(x)=3x^3 – 10x^2 + 22x – 4 (I got 0,1) f(x) = x^3 – 12x^2 + 17x – 9 (NO idea) f(x) = x^3 – 9 (I got 8,9) Thanks for the help, I really appreciate it. I

    asked by Anon
  94. Physics

    In the drawing, the weight of the block on the table is 384 N and that of the hanging block is 195 N. Ignore all frictional effects, and assuming the pulley to be massless. (a) Find the acceleration of the two blocks. m/s2 (b) Find the tension in the cord.

    asked by Donald
  95. Algebra 1

    A clerk was asked to change a $10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return? I don't know why but this is stumping me. Help plz.!

    asked by Monica
  96. college chemistry

    If KHP sample #1 requires 27.30 mL of NaOH solution to reach an endpoint, what volume should be required for samples #2 and #3?

    asked by Kristen
  97. Physics

    Which of the following is an example of diffuse reflection? light reflected from the surface of a dry asphalt roadway light reflected from the surface of a calm lake light reflected from the surface of glossy paper light reflected from the surface of a

    asked by Anonymous
  98. Physics

    Which of the following statements is not true if an incident ray of light makes an angle of 30o with the mirror surface? angle of incidence = 30o angle of reflection = 60o angle of incidence = 60o angle between incident ray and reflected ray = 120o

    asked by Bad at Physics
  99. Physics

    What is the image distance of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm? -13.3 cm 13.3 cm -40.0 cm 40.0 cm

    asked by Huh?
  100. Physics

    What is the magnification of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm? 0.33 -0.33 1.33 -1.33 I'm thinking B.

    asked by Fleur
  101. Physics

    When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position?

    asked by Noxin
  102. Physics of Sound

    For a speaker whose sound power output is 140 dB, the distance from the speaker at which the sound level will be reduced to 85 dB is ?

    asked by Kristen
  103. English Language

    Yes,she is my cousin.- Is the comma identify as an introductory phrase?

    asked by Ann
  104. physics

    A balloonist drops an apple weighing 1.5 N over the side of the balloon's gondola. As it falls and increases speed, the drag force from the air upward on it increases. When the upward force is 0.7 N, what is the direction and magnitude of the net force on

    asked by anon
  105. physics

    If you walk 3.0 km on a straight road and then find that you are 1.5 km east of your starting point and some unknown distance north of your starting point, in which of these directions did you walk?

    asked by anon
  106. electronic basic

    you observe a small plaque on an electrical appliance that reads, in part, "115 volts AC 60 Hz." this means that the appliance

    asked by pepe
  107. Physics- PLEASE HELP

    A toy race car starts from rest on a circular track of radius 4.30 m. The cars speed increases at the constant rate of 8.80 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, determine (a) the speed of the

    asked by Anonymous
  108. Physics- PLEASE HELP

    Assume you are agile enough to run across a horizontal surface at 11.60 m/s on an airless spherical asteroid of uniform density 1.0x103 kg/m3, independently of the value of the gravitational field. To launch yourself into orbit by running, what would be

    asked by Anonymous
  109. Math

    In 2010 I loaned Johnnie $5000.00 @ the interest rate of 10%, he only made two payments. It is now 2012 and I would like to know what would the interest and pay out of this loan be?

    asked by Treasure Roy
  110. physics

    A person holds a 1.56 baseball in his hand, a distance of 34.0 cm from the elbow joint, as shown in the figure(Figure 1) . The biceps, attached at a distance of 2.75 cm from the elbow, exerts an upward force on the forearm. Consider the forearm and hand to

    asked by Aaron
  111. math URGENT!!

    the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. please answer and show how u did it step by step please!!!!

    asked by dan
  112. math - still don't get it

    Karl piled twelve 1" cubes in three layers on top of a square made with four 1" cubes. What shape is the structure that Karl made? help me with the answer

    asked by bo 5th grader
  113. science

    how does area of an opened parachute affect the size of force

    asked by boyagain
  114. math

    If one nickel is worth five cents, how much is half of one half of a nickel worth?

    asked by gary
  115. math

    Using the numbers 1 through 9 with no repeats, find a 9 number such that: the first digit is divisible by 1, the first two digits are divisible by 2, the first 3 digits are divisible by 3, and so on until we get to a 9 digit number divisible by 9. You

    asked by maddi 5
  116. income tax

    Jeanette owns a rental property that she used for 20 days and rented for 80 days. The rental income was $10,000 and expenses included the following; mortgage interest $2,500; property tax $1,500; insurance and repairs $1,000 and depreciation $2,000.

    asked by shelli
  117. Chemistry

    Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete combustion of butane is 2C4H10(g) + 13O2(g)-> 8CO2(g)+ 10H2O(l) At 1.00 atm and 23 degrees Celcius, what is the volume of carbon

    asked by Amy
  118. Gas Law Chemistry

    I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure

    asked by Amy
  119. Algebra 1

    Select the points that lie on the function h(x) = 3x^2.

    asked by Monica
  120. math homework

    The whole number are written across a piece of paper in order. There is room for 100 digits on each line and there are no spaces between each digit. What are the last 5 digits on the second line? 0123456789101112.......

    asked by Bob
  121. Physics

    Calculate the force of gravity between a newborn baby of mass 4 kg and the obstetrician of mass 75 kg, who is 0.5 m from the baby. N Which exerts more gravitational force on the baby, Mars or the obstetrician, given that Mars has a mass of 6.4 1023 kg and

    asked by Sharvani
  122. Physics

    In what way does gravity change with distance from Earth?

    asked by Sharvani
  123. Physics

    If the moon were twice as massive, would the attractive force of Earth on the moon be twice as large? Yes No What about the attractive force of the moon on Earth? Yes No

    asked by Sharvani
  124. math URGENT!!!!

    the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. please answer and show how u did it step by step please!!!! how do i find area of the smaller triangle?

    asked by dan
  125. math homework

    Mr. Burton rides out into the country on his bicycle at 9 mph . Four hours later he starts back riding his bicycle at 6 mph. How long will it take him to get back?

    asked by Bob
  126. science

    Please give me about 2 websites where i can find out interesting facts about Venus. 2 websites where i can find out if any robots or satellites landed on Venus.2 websites were I can find the average temperature of Venus. Lastly 2 websites where I can find

    asked by sci
  127. math

    alison invests £400 in an account paying compound interest 4% per annum.find the interest earned over 5 years,round your answer to 3 significant figures.

    asked by rahel
  128. math homework

    x is defined as one more than the number of digits in the number x . For example , 1000 = 5. For what value of x wil x = x ?

    asked by Bob
  129. physics

    Suppose you waik 18.0m straight west and then 25.o m straight north. How far are you from your starting point and what is the compass direction of a line connecting your starting point to yourfinal position?

    asked by John
  130. math

    evaluate the following expression 20/(4+6)x2-5

    asked by Gabby
  131. Physics

    You fly 32.0 km in a straight line in still air in the direction 35.0 degree south of west. Find the distance you would have to fly straight south and then straight west to arrive at the same point.

    asked by Anonymous
  132. Algerbra

    is 3x=4y-7 a direct variation why or why not?

    asked by MIA
  133. math

    caculate the following fractions 1/3+ 2/3+ 5/3 what is the answer to these fractions and show houw you get the answer. please.

    asked by Dana
  134. Math +/- Mixed numbers

    2 1/4+3 3/4=6? 4 5/6-3 1/6=1 2/3 8 5/12- 1 1/2= 7 1/3

    asked by Jerald
  135. chemistry

    What is the partial pressure of CO2(torr) in exhaled breathe at 37.0 degree C if the partial pressure of Oxygen is 116 torrr and that of nitrogen is 659 torr. Assume the atmospheric pressure is 1.00 atm

    asked by Carina 78
  136. Chemistry

    which one of the following cannot disproportionate cl-, clo3-, cl2, cu+, fe2+

    asked by Kerishena
  137. Chemistry

    Which element's oxides consist of individual molecules? Pb, C, Ge, Sn, Si, Hg

    asked by Kerishena
  138. Health

    Below are descriptions about the programs that are designed to help prevent suicide. Which statement is true?

    asked by katelynn
  139. p.e.

    a scull is to rowing as a -------- is to yachting.

    asked by marissa
  140. English

    Write the complete verb in each sentence. Label it active or passive. 1. It was propelled by six paddles on each side. Each side was propelled by six paddles. Passive?

    asked by Emma
  141. math

    what is (14x-5)+(6x-4)simplified? Please help I would appreciate and PLEASE show the work!! Thank you!!

    asked by t
  142. Math

    Kim packed 6 boxes with identical supplies. It was the greatest number she could pack and use all the supplies. Which of these is her supply list

    asked by Shion
  143. Geology

    How do I do the foll9owing example? K-40 - A-40 (1.25 billion years) After careful analysis, a geochronologist determines that an unweathered, unmetamorphosed mineral sample contains 7 trillion atoms of the radioactive element K-40 and 105 trillion atoms

    asked by Nicole
  144. Math

    Graph the linear equation 3y = 6x +3. Then rewrite the equation using the form y = ax + b. Thanking you

    asked by shasas
  145. math

    what is (-x-3)+(4x-7)simplified? please show the work, thenk you.

    asked by t
  146. physics

    a skateboarder starting from rest accelerates down a ramp at 2m/s squared for 3sec. what is the final speed of the skateboarder?

    asked by danielle
  147. Physics

    A bullet with a mass m=12.5 g and speed v=85.4 m/s is fired into a wooden block with M=113 g which is initially at rest on a horizontal surface. The bullet is embedded into the block. The block-bullet combination slides across the surface for a distance d

    asked by Devin
  148. science

    velocity of 2.9 m/s speed increase of 7.6 m/s in 4s What is her acceleration ?

    asked by carlos
  149. science VERY URGENT

    Once again please give me about 2 websites where i can find out interesting facts about Venus. 2 websites where i can find out if any robots or satellites landed on Venus.2 websites were I can find the average temperature of Venus. Lastly 2 websites where

    asked by sci
  150. Health

    When a person has episodes of hypomania that shift back and forth with mild depression for at least two years, he or she has what form of bipolar disorder? A. Bipolar I Disorder B. Bipolar II Disorder C. Cyclothymic Disorder D. BP-NOS

    asked by katelynn
  151. math..reiny..help!!

    is that the area of big or small triangle?

    asked by dan
  152. 7th grade math help Ms.Sue ratios please

    Write each ratio in simplest form. 1. 28 seconds / 2 minutes 2. 22 in. / 3 feet 3. 36 cm. / 132 cm. Can you help me i have NO IDEA how to solve these thanks

    asked by Delilah
  153. science

    velocity of 2.9 m/s speed increase of 7.6 m/s in 4s What is her acceleration ?

    asked by carlos
  154. chemistry

    an electromagnetic wave has a frequency of 10 exponent 21hz. what type of electromagnetic wave has this frequency

    asked by magdalene
  155. Physics

    A broad jumper begins his jump at an angle of 22 f degrees from the horizontal at the middle of the jump he reaches a height of 70m ANSWER: 9.16m/s Relevant Formulas: dv=1/2at^2...dh=vht...t=vv/a..

    asked by Loratadine
  156. mathematics

    calculate the following fractions 1/3+ 2/3+ 5/3 what is the answer AND show how you get the answer

    asked by Dana
  157. Calculus

    If f(x)=8 ln(6x+3 ln (x)), find f'(x)

    asked by Susanna
  158. ELA reading

    Do you know any wbsites where i can read the whole book Magic tree house Dragon of the Red Dawn? Please I need to read that book very badly. :(

    asked by sci
  159. physics

    A particle has an initial horizontal velocity of 2.9 m/s and an initial upward velocity of 4.5 m/s. It is then given a horizontal accelera- tion of 1.2 m/s2 and a downward acceleration of 1.2 m/s2. What is its speed after 4.9 s? Answer in units of m/s

    asked by Sonia
  160. math

    in all there are 24 grasshoppers ken bought 6 less than mattie how many did each person buy

    asked by tianna
  161. math

    How many three-digit integers are multiples of both 4 and 6 and have a unit digit of 2?

    asked by Debbie
  162. science

    How hot can venus get. How cold can venus get.Please help

    asked by Anonymous
  163. Chemistry

    Ca(OH)2 reacts with CO2 to form CaCO3 and H2O. A. How many grams of CaCO3 will be formed if 4 grams of Ca(OH)2 are used? B. If you have 2.5 grams of Ca(OH)2 and 0.5 of CO2, which is the limiting reactant?

    asked by Charles
  164. math

    what is a millogram

    asked by ana
  165. science

    Please tell me 2 websites where i can find out if any robots or satellites landed on Venus.

    asked by Anonymous
  166. math

    speakers place every 10 yds around the wall of school auditorium. Auditorium is 210 ft by 300 ft. How many wall speakers are placed around the auditorium?

    asked by lele
  167. Physics!!! HELP

    An object in equilibrium has three forces exerted on it. A 36 N force acts at 90° from the x axis and a 42 N force acts at 60°. What are the magnitude and direction of the third force? __?__N __?__° (counterclockwise from the +x direction)

    asked by Anna
  168. Physics HELP!

    An airplane flies due north at 240 km/h with respect to the air. There is a wind blowing at 75 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground? __?__km/h __?__° east of north

    asked by Anna
  169. Physics

    Two forces are exerted on an object. A 32 N force acts at 220° and a 53 N force acts at 315°. What are the magnitude and direction of the equilibrant? ____ N ____ °

    asked by Mrs. Kim
  170. Calculus

    Air is being pumped into a spherical balloon so that its volume increases at a rate of 80 cm^3 per second. How fast is the surface area of the balloon increasing when its radius is 9cm? * ball of radius r has volume V=(4/3)pi r^3 and surface area S=4pir^2

    asked by Susanna
  171. Geometry

    my geometry problem set says "find the ratio of CG : CB" CG=6.3 and CB=19 so to find the ratio i would divide the 19 by 6.3 (we have to round so it would be a 3:1 ratio) or would it be the other way around? i think it's the 19/6.3 but i'm not sure...

    asked by Jess
  172. Health

    People with bipolar disorder are at a higher risk for ________. A. Heart disease B. Diabetes C. Migraine headaches D. All of the above

    asked by katelynn
  173. dress making design

    s nap fasteners are sewn with the knob halves attached to the fabric overlap of a garment because

    asked by siri
  174. physics

    A 74.0 kg box slides down a 28.0 degree ramps with an acceleration of gravity of 3.10 m/s^2. Find μk between the box and the ramp. The acceleration of gravity is 9.81 m/s^2

    asked by Briana
  175. physics

    A 170 N block rests on a table.The suspended mass has a weight of 52N. What is the magnitude of the minimum force of static friction required to hold both blocks at rest?

    asked by Briana
  176. Chemistry

    How many ethane molecules are there in 0.0300 mole of methane

    asked by Bryce
  177. Math

    Some chickens, cows, and sheep are in a field. Their number of legs is 12 more than twice their number of heads. How many 4 legged animals are in the field?

    asked by Janet
  178. General Chemistry

    Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1 nm=10-9m. What is the energy of a photon in an X ray?

    asked by Maria
  179. Physics

    A 0.4 kg ball strikes a smooth level floor with a velocity of 5.0 m/s, 60 degrees below the horizontal.  It rebounds off the floor with an unknown velocity and reaches a maximum rebound height of 0.60 m. If the duration of the collision with the floor is

    asked by AH
  180. Physics

    A car of mass 1100 kg starts from rest at sea level and climbs a hill of altitude 50 m. At the top of the hill the car has a speed of 25 m/s. From the top of the hill the driver turns off the engine and coasts down to an altitude of 15 m. Assume the

    asked by Sara
  181. Physics

    A proton of mass mP and a positively charged nucleus of mass 9mP are widely separated and traveling towards each other at the same speed of 1500 m/s along the same line.  Because they are both positively charged, they repel each other and undergo a soft

    asked by AH
  182. algebra

    A tiger can eat food that weighs up to 15% of its body weight. If a tiger can eat 75 pounds of food, how much does a iger weigh? Write and solve a percent proportion>

    asked by Stephanie
  183. Physics

    Hockey puck A initially travels at  v(initial) = 6.2 m/s in the horizontal direction (East) on a smooth horizontal ice before striking hockey puck B which is initially at rest, off-center.  After the collision, A is deflected at θ =  23 degrees

    asked by AH
  184. World Geography

    When attacking Russia in 1941,Germany...

    asked by Karla
  185. science

    Betty is sledding down a hill going 12 m/s. She hits a very steep patch and starts to speed up 1.5 m/s2. How fast will Betty be moving 2 seconds later?

    asked by Megan
  186. perimeters

    What are 5 different rectangle drawings with a perimeter of 20 units

    asked by Renee
  187. 7th grade math Ms.Sue please check my answers

    1. Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point) 6 over 9 18 over 27 2 over 3 three over two 2. A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of

    asked by Delilah
  188. Physics

    A river flows due east at 1.42 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 11.9 m/s due north relative to the water. If the river is 389 m wide, how far downstream is the boat when it reaches

    asked by Mac
  189. Chemistry

    Running at a rate of 6 mi/h uses 704 Calories in an hour. Convert this value to (a) calories; (b) kilocalories; (c) joules; (d) kilojoules.

    asked by Kelly
  190. Discrete Mathematics

    Suppose a0, a1, a2 ,... is a sequence defined recursively as follows: a1 = 1, a2 = 2, a3 = 3 and ak = ak-1 + ak-2 + ak-3 for all integers k > 3. Use strong induction to show that an < 2n for all integers n ≥ 1.

    asked by Vevea Tepou
  191. dress making design

    I need help examination mumber 04201800

    asked by siri
  192. art

    what is the best way to create poster of self esteem using slogan?

    asked by janki
  193. Math

    If 7x + 5 = -2, find the value of 8x.

    asked by Tom
  194. math

    Look at the table of 9s facts. Can you think of another number pattern in the multiples of 9? Explain

    asked by Anonymous
  195. math

    how many 8 in long ribbons can mona make from a 4ft peice of material

    asked by Anonymous
  196. 7th grade math help please the REAL ms.sue

    1. Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point) 6 over 9 18 over 27 2 over 3 three over two 2. A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of

    asked by Delilah
  197. Math

    If 7x + 5 = -2, find the value of 8x.

    asked by Tom
  198. Physics

    The pulley system shown in the figure is used to lift a 37 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes are

    asked by Andrea
  199. math

    What's 6% of 22?

    asked by blondee
  200. Physics

    What would the weight of an object that is 4N on the earth be on the moon (acceleration due to gravity on the moon is 1.62m/s2?

    asked by Jeff
  201. math

    (10x+2)-(x-10) simplified please! Thank you,please show the work!

    asked by t
  202. math

    The length of a rectangle is 12 inches and the width is 12 inches. What rectangle has the same area?

    asked by Anonymous
  203. math

    Use an Addition or Subtraction Formula to find the exact value of the expression. Sin(−5π/12)

    asked by TEETEE
  204. physics

    A 60kg wood carving of a gazelle slides under the action of the force shown. What is the normal force? assumin the gazelle starts from rest, how long will it take to move 3 meters?

    asked by antonio
  205. Math

    Find the area under the standard normal curve: I. to the right of z = -2.32 II. to the left of z = -2.32 Can someone please help me with this one question? Thanl you in advance.

    asked by Jessup
  206. reading and math

    why do kids have to read math and reading thare should be less homework less reading and less math

    asked by teddy dunc
  207. Physics

    An airplane flies due north at 260 km/h with respect to the air. There is a wind blowing at 60 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground?

    asked by Maddie
  208. Physics

    An airplane flies due north at 260 km/h with respect to the air. There is a wind blowing at 60 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground?

    asked by Maddie
  209. Math

    Max creates a lavender dye by mixing 3 parts of red dye. Will a mixture of 14 parts of blue dye with 23 parts of red dye create the same shade of lavender?

    asked by Juan
  210. physics

    A 80 kg object slides at a 20 degree plane downward at 5m/s. An object 2 collides with object 1 by falling from 7 meter height and they stick together. Final speed of objects? I know the speeds would be the same. Would momentum equation work to solve this?

    asked by Laura
  211. chemisty

    a 10.00ml diluted chloride sample required 44.89 ml of 0.01982 m abno3 to reach the fajans end point. how many moles of cl ion were present in the sample

    asked by lisa
  212. physics

    what speed must you toss a ball straight up so it takes 2s to return to you

    asked by manuel
  213. physics

    Two steam locomotives are approaching each other, each at 30 mi/hr, heading for a sure head-on collision. A rhinoceros beetle, who flies with a constant speed of 35 mi/hr, leaves the front of the first locomotive when the engines are just 2.000 miles

    asked by Anonymous
  214. Math

    The average length of a Rufous hummingbird is 3 1/2 inches. The average length of a Broad tailed hummingbird is 4 1/2 inches. How much shorter is the Rufous hummingbird? 1?

    asked by Jerald
  215. Math

    The class collected 9 5/7 pounds of glass bottles and 6 1/2 pounds of aluminum cans. How many pounds of glass and aluminum did the class collect in all? 16 3/14?

    asked by Jerald
  216. Visual Basic

    Help with code Enter 10000 for total sales Base pay cont $900. Commission 6% Gross pay base pay - commission Deduction 18% Net pay gross pay -deduction Need serious help

    asked by Denise
  217. SS8R - HELP!

    business(es) that andrew carnegie controlled????????????

    asked by Laruen
  218. Math

    x^2-2x-5

    asked by Tiarra
  219. Math

    How much larger is the 8 in 657,689,004 than the 8 in 789,456,234?

    asked by Jennifer
  220. Math

    4divide 92

    asked by Dree
  221. phy

    Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 N, and è = 26.6°. What are the weights w1 and w2?

    asked by anthony
  222. Physics

    A rocket ascends from rest in a uniform gravitational field by ejecting exhaust with constant speed u. Assume that the rate at which mass is expelled is given by dm/dt=mk, where m is the instantaneous mass of the rocket and k is a cosntant, and that the

    asked by Jake
  223. Math

    How do i set it up 4divide92

    asked by Dree
  224. college algebra

    y=3x/x^2 + 81 for the given equation, list the intercepts and test for symmetry.

    asked by ladybug
  225. Social Studoes 8R - help!!!!! (please)

    Why do you think some people called Carnegie called a Robber Baron? well... according to the wiki it says .... "....He earned most of his fortune in the steel industry. In the 1870s, he founded the Carnegie Steel Company, a step which cemented his name as

    asked by Laruen
  226. Math

    6divideby84

    asked by Dree
  227. physics

    A 4.170 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is μs = 0.505 and the coefficient of kinetic friction is μk = 0.255. At time t = 0, a force F = 12.7 N is applied horizontally to the block.

    asked by ashley
  228. Problem solving:for 3rd grade

    Write a real-world problem that you can solve by adding or subtracting.Then give your problem to a classmate to solve.

    asked by Jon
  229. Math

    8/12=

    asked by Jennifer
  230. elementary

    number sense fabio said that there are 3 times as many people on a basketball team as on a tennis team.is he correct?why or why not. tennis 2 players basketball 5 players

    asked by josh
  231. college algebra

    Write the equation of the circle in standard form. Find the center, radius and intercepts. x^2 + y^2 + 4x + 2y - 20 = 0

    asked by ladybug
  232. elementary

    Explain it sandy said she could use addition to answer question 1 how could this be done?

    asked by josh
  233. science

    5 letter science word, with the 4th letter o

    asked by Anonymous
  234. math

    Assume that the average annual salary for a worker in the United States is $30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $6,250. Find the following: (A) What percentage of Americans earn

    asked by Jen
  235. physics

    Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 . What are the weights w1 and w2?

    asked by anthony
  236. Math

    Change 30/20 into a mixed number

    asked by Jennifer
  237. chemistry

    Hassium (III)oxalate contains 2.25 mol of Carbon atoms. What is the number of moles of oxygen atoms in the sample?

    asked by Carina
  238. math

    a farmer has cows and chickens. he has a total of 20 heads and 64 legs. How much of each animal does he have?

    asked by nina
  239. Elementary

    number sense fabio said that there are 3 times as many people on a basketball team as on a tennis team.is he correct?why or why not. tennis 2 players basketball 5 players

    asked by swetha
  240. math please help

    Joy needs to mix a 20% glucose solution with a 60% glucose solution to create 200 millileters of a 50% solution. How many millileters of each solution must Joy use?

    asked by Anonymous
  241. elementary

    Explain it sandy said she could use addition to answer question 1 how could this be done?

    asked by swetha
  242. math

    what is the slope-intercept form of 16x-y=8

    asked by peyton
  243. algebra

    4

    asked by Anonymous
  244. HCA 2220

    You are an office manager working in an orthopedist office. You are responsible for filling out the insurance billing forms and processing any denials. While reviewing the denials, you find they are in fact billable services. The issue is a lack of

    asked by University of Pheonix
  245. Physics

    A car traveling at 20 m/s applies the brakes. The coefficients of static and kinetic friction between the tires and the road are 0.80 and 0.50 respectively. (A) Determine the stopping distance if the car is able to stop as quickly as possible without

    asked by Brittney
  246. writing

    Could you please proofread this along with punctuation. It's an essay and it will be doubled spaced when I submit it. Thank you In approximately 200–350 words, using compare/contrast strategies, discuss the benefits and/or advantages of shopping online,

    asked by Ann
  247. Chemistry

    How many milliliters of 0.225 M NH4C2H3O2 are needed to make 750.0 mL of 0.1667 M NH4C2H3O2?

    asked by Kimber
  248. Chemistry

    Describe how to make 750.0 mL of 0.1667 M NH4C2H3O2 from 0.225 M NH4C2H3O2?

    asked by Kimber
  249. Chemistry

    If 25.9 mL of 300 M NaCl is diluted to 136 mL, what is the molarity of the dilute solution?

    asked by Kimber
  250. Chemistry

    How many milliliters of 2.50 M KI must be diluted to make 365 mL of 0.432 M KI?

    asked by Kimber
  251. Chemistry

    A 50.0 mL sample containing Cd2 and Mn2 was treated with 49.1 mL of 0.0700 M EDTA. Titration of the excess unreacted EDTA required 17.5 mL of 0.0300 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN–. Titration of the newly freed

    asked by Chris
  252. Chemistry

    to how many milliliters must 29.6 mL of 4.25 M HCL be diluted to make 0.654 M HCL?

    asked by Kimber
  253. Discrete Mathematics

    Prove that if n is an odd positive integer, then 1 ≡ n(power of 2) (mod 4).

    asked by Vevea Tepou
  254. Chemistry

    What molarity of KNO3 should be used in order for dilution of 63.2 mL to yield 253 mL of 0.319 M KNO3?

    asked by Kimber
  255. Science

    How much work do you do when you push a 30kg pumpkin across 1.5 meters

    asked by Anonymous
  256. Chemistry

    By titration 24.68mL of 0.1017 M NaOH is required to neutralize 0.1482 g of an unknown organic acid. what is the formula mass of the acid?

    asked by Anne
  257. Chemistry

    assuming that each molecule contains one acidic hydrogen---that is, the formula is HCnHmOp? assumin gthat each molecule contains 2 acidic hydrogens---that is, the formula is H2CnHmOp??

    asked by Anne
  258. Chemistry

    a 2.00 g sample of zinc was dissolved in 50.0 mL of 6.0 M HCL the final volume of solution was 50.2 mL... a. what was the concentration of Cl- after the zinc was dissolved?? b. what was the concentration of hydrogen ion after the zinc was dissolved??

    asked by Anne
  259. Science

    A mechanic pushes a 2.20 103-kg car from rest to a speed of v, doing 4,550 J of work in the process. During this time, the car moves 24.0 m. Neglecting friction between car and road, find each of the following.

    asked by Mags
  260. Chemistry

    The solubility of CaSO4 is 0.209 g/100 mL of water at 30 degrees celsius. if 0.500 g CaSO4 is stirred overnight at 30 Degrees Celsius with 100.0 mL of water, a. How many grams of CaSO4 remain undissolved? b. Calculate the molarity of CaSO44 in solution

    asked by Anne
  261. Chemistry

    In an experiment to measure the solubility of Ba(OH)2 x 8H2O in water, an excess of solid Ba(OH)2 x 8H2O was stirred with water overnight. the saturated solution was allowed to stand until all the undissolved solid had settled. a 10.00mL sample of the

    asked by Anne
  262. science

    How much volume would a 4x4x4 cm cube occupy

    asked by juan
  263. Science

    A baseball travels 50 m in 10 s. What is the average speed of the baseball?

    asked by Bell
  264. Science

    To calculate _____ you divide the total distance traveled by the total time it takes to travel that distance.

    asked by Bell
  265. Science

    The unit m/s is the _____.

    asked by Bell