Questions Asked on
October 7, 2011

  1. Physics

    A boat moves through the water with two forces acting on it. One is a 1500 N forward push by the motor, and the other is an 1400 N resistive force due to the water. (a) What is the acceleration of the 1100 kg boat? m/s 2 (b) If it starts from rest, how far

    asked by Savannah
  2. Chemistry

    The bond in O2 is shorter than the O-O bond in compounds that contain an O-O single bond. Explain this observation.

    asked by Caitlin
  3. Physics

    The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and released. It then moves upward on the familiar curved path of projectile motion and eventually returns to the ground some

    asked by Mary
  4. chemistry

    Finding molarity and molality(best answer)? An aqueous solution is prepared by diluting 3.30 mL acetone,(d= 0.789g/mL) with water to a final volume of 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity, molality and mole fraction of

    asked by sam
  5. MATH: Functions

    The radius, r, in centimeters, of a melting snowball is given by r=50-2.5t, where t is time in hours. the snowball is spherical, with volume V=4/3(pi)r^3 cm^3. Find a formula for V=f(t), the volume of the snowball as a function of time.

    asked by Savana
  6. Chemistry

    NaCl is soluble in water, but I2 is not. Explain

    asked by Brenda
  7. earth

    Some people have proposed building a giant elevator from Earth's surface to geosynchronous orbit. The top of the elevator would then have the same orbital distance and period as any satellite in geosynchronous orbit. Suppose you were to let go of an object

    asked by kendra
  8. physics

    Two objects (41.0 and 20.8 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find the acceleration of the objects and the tension in the string.

    asked by Anonymous
  9. exact differential equation


    asked by amritha
  10. statistics

    SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math portion of the SAT exam than students whose first language is English. The mean SAT math score of students whose first language

    asked by Liz
  11. Chem

    Epsom salts consist of magnesium sulfate heptahydrate. Write its formula. a) How many atoms of oxygen are in 5.15g of Epsom salts? b) How many formula units of the compound are present in 5.15g? c) How many moles of water molecules are in 5.15 g of Epsom

    asked by Erica
  12. Physics

    In a location in outer space far from all other objects, a nucleus whose mass is 3.57232e-25 kg and which is initially at rest undergoes spontaneous "alpha" decay. The original nucleus disappears, and two new particles appear: a He-4 nucleus of mass

    asked by bryce tanaka
  13. English ll

    I dentify the complete adj. clause. 1. Many Californians who own homes live on hillsides. A: Who own homes live on hillsides. What word does the adj. clause modify? 3. I elected totake astonomy, which is not a required course. A: Astonomy 4. This course

    asked by Angel
  14. chem

    if a fractional distillation failed to separate two components efficiently, what alternatives would one consider to effect clean separation by distillation?

    asked by jon
  15. College Physics

    The top layer of your goose down sleeping bag has a thickness of 5.0 cm and a surface area of 1.0 m^2. When the outside temperature is -18 degrees celcius you lose 24 Cal/hr by heat conduction through the bag (which remains at a cozy 34 degrees celcius

    asked by Becky
  16. Math

    The point P(8, −3) lies on the curve y = 3/(7 − x). (a) If Q is the point x, 3/(7 − x)), use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. (i) 7.9 mPQ = (ii) 7.99 mPQ =

    asked by Nyk
  17. physics

    A boat propelled so as to travel with a speed of 0.50m/s in still water, moves directly (in a straight line) across a river that is 60m wide. The river flows with a speed of 0.30m/s. How long in seconds does it take the boat to cross the river?

    asked by lawrence
  18. physics

    2. A tiger jumps horizontally off of a 1.7 meter tall rock with a velocity of 3.2. How far from the base of the rock does the tiger land?

    asked by Jessica
  19. geometry

    Triangle XYZ above is similar to triangle UVW (not shown). If the length of one side of triangle UVW is 60, then what is one possible perimeter of triangle UVW

    asked by chris
  20. Statistics and Probability

    In a game of skill, a player has probability 1/3,5/12,1/4 of scoring 0,1,2 respectively and the game ends when he scores a zero. Assuming independence of trials, find the probability of the total score being 'n' when the game ends?

    asked by Saurabh
  21. English

    Im doing a thesis statement on GAY ADOPTION , and i wanted to know if mine was good so far.. : The majority of states (34) of them , lacks statewide legislation , case law or department regulation addressing gay adoption!

    asked by Pashen
  22. math

    If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq m, find the length of two adjacent sides of the parallelogram.

    asked by abhishek
  23. math models

    the length of a rectangle is 8 inches more than its width. the perimeter of the rectangle is 24inches. what are the lenth and width of the rectangle?

    asked by woshs
  24. English II

    I dentify the complete adj. clause. 1. This course deals with facts that everyone should know. 2. Many Californians who own homes live on hillsides. What word does the adj. clause modify? 3. I elected totake astonomy, which is not a required course. 4.

    asked by Angel
  25. psychology

    . Which of the following is not an early school of psychology? (Points : 1) behaviorism voluntarism nativism functionalism

    asked by lisa
  26. Physics

    A cannon ball is shot from a cannon with a horizontal velocity of 200m/s. What is the time until impact on a target 50m downrange? What is the objects horizontal velocity at impact (ignoring air resistance)?

    asked by Tatiana
  27. physics

    The air exerts a forward force of 10 N on the propeller of a 0.20 kg model airplane. If the plane accelerates forward at 5.0 m/s2, what is the magnitude of the resistive force exerted by the air on the airplane in Newtons ?

    asked by savy
  28. Calculus

    A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 60 ft is given by y = 150 − 1/40(x − 50)^2. Find the distance traveled by the kite. (Round your answer to one decimal place.) THe answer is

    asked by Caroline
  29. Chemistry

    Explain why it is necessary to form a double bond in the Lewis structure.

    asked by Caitlin
  30. physics

    A body hangs from a spring balance supported from the roof of an elavator. If the elavator has an upward acceleration of 3m/s2 and the balance reads 50N, what is the true weight of the body?

    asked by lawrence
  31. Finance

    There are various stakeholders in an organization. The two key stakeholders are the customers and the stockholders. Some financial managers believe that the customer is always right and an organization must do everything possible to win customer delight,

    asked by GG
  32. Chemistry

    The dipole moment (mu) of HBr (a polar covalent molecule) is 0.851 D (debye), and its percent ionic character is 12.6 %. Estimate the bond length of the H-Br bond in picometers.

    asked by Caitlin
  33. chemistry

    The distribution coefficient of a compound between ether and water is 5.8. A student takes 1.5.g of the compound and dissolves it in 45 mL of water. The resulting solution is placed in a separatory funnel and an extraction is performed using 15 mL of

    asked by Anonymous
  34. reading

    I have a foster child (my niece) who has been through a lot in the past year. She is having huge difficulty in school. She is in 1st grade. My 21 year old daughter is home with her trying her best to help her but it is getting overwhelming to get her to

    asked by Joanne
  35. College Physics

    A 2.30-cm-thick wood floor covers a 4.0 m x 5.5 m room. The subfloor on which the flooring sits is at a temperature of 16.4 degrees celcius, while the air in the room is at 19.3 degrees celcius. What is the rate of heat conduction through the floor? Use

    asked by Becky
  36. English

    Could you please check these sentences? 1) I haven’t been here for long. How long have you been married? Since 1998. (Could you say: How long is it since you got married?) . 2) It’s two months since I last saw Mary. Mrs Brown hasn’t seen her son for

    asked by Henry2
  37. Fine Arts

    The Hellenistic style was exemplified in A)Seasted boxer B) geometric cases C) Kouros D)Classical I said B Greek sculpture of the Classical period was characterized by? Greek sculpture of the Classical period was characterized by A)theatrical, emotional

    asked by Taki
  38. College Physics

    The top layer of your goose down sleeping bag has a thickness of 5.0 cm and a surface area of 1.0 m^2. When the outside temperature is -18 degrees celcius you lose 24 Cal/hr by heat conduction through the bag (which remains at a cozy 34 degrees celcius

    asked by Becky
  39. English

    Can you please tell me if the following phrases are possible? I really don't know if the adjetives or the school equipment is correct. 1) intolerant of albinos. 2) It is better not to be very sensitive and not to take people's comments too hard (to get

    asked by Henry2
  40. teacher aide

    Name and provide the website address of the National OHS organisation. Visit their website and download a piece of information relevant to your workplace. Please help thanks for your time!

    asked by kayla
  41. Science

    1. What is the question that this study aimed to answer? State the hypothesis that you tested. I completed the lab but I don't understand what it is that I am testing. The lab had me test fragmentation at 0,25,50 and 75%.Included Spiny Grass, Blue bunch

    asked by Tameika
  42. statistics

    To test H0:µ =80 versus H1:µ < 80, a simple random sample of size n = 22 is obtained from the population that is known to be normally distributed. (a) If = 76.9 and s = 8.5, compute the test statistic. (b) If the researcher decides to test the hypothesis

    asked by Liz
  43. Chemistry

    A student synthesized 6.895 g of barium iodate monohydrate by adding 30.00 mL of 5.912 x 10-1 M sodium iodate, NAIO3. 125 mL of distilled water as used to wash and transfer the precipitate, rather than 20 mL of chilled distilled water (at 4* C). The

    asked by Chelsea
  44. 3rd

    to the nearest ten, a jar contains 60 marbels. What is the least number os marbels that can be in the jar? What is the greatest number?

    asked by nath
  45. Pre-Calculus

    Sorry to be a pest but I never got an answer and I'm really stuck Can you please check this equation. Find polar equation of x^2 + y^2 = 10y x^2 + y^2 = r^2 r^2 = 10sin(theta)

    asked by Tonya
  46. Science

    What is a good website to find interesting facts? Can you please give several possible website?

    asked by Cashton
  47. government

    What do you think of the government limiting services for medicaid holders?

    asked by rachel jj
  48. algebra

    What happens when you plug 1 in for x into this rational expression (x^2-1)(x-1)-x

    asked by Katy
  49. algebra

    How would you solve 3/4 x 8/9

    asked by Katy
  50. algebra

    How would you solve 7/12 divided by 7/6

    asked by Katy
  51. algebra

    How would you solve 2/3 + 5/4

    asked by Katy
  52. nutrition and wellness

    does water in the human body helps transport waste products in and out of cells

    asked by marnesha
  53. mathematics

    The London eye in England is the biggest big wheel in the world. it rotates with people on it so that they can get a view of the city of London from high up. there are 32 cabins attached to the wheel that carry passengers and it takes one approximately 30

    asked by bongi
  54. math

    To advertise their business, Toni and Mandy can either purchase flyers or e-mail addresses. They can print, distribute and pay the postage of 3 million flyers for $450. Find the unit price for the flyers.

    asked by smith
  55. Statistics

    I have provided information from #3-5 in order to answer #6.. 3. Give the mean for the mean column of the Worksheet. Is this estimate centered about the parameter of interest (the parameter of interest is the answer for the mean in question 2)? The Mean

    asked by Hope
  56. math

    A green purse costs $11, which is 11 times as much as a red tie costs. How much does the red tie cost?

    asked by Alexandra
  57. math

    n+9=64 i need help answering this PLEASE

    asked by neil
  58. chemistry

    if burning one mole of a carbohydrate generates 50 joules of heat, burning 0.2 mol(or one fifth of a mole) of that same carbohydrate will generate how many joules of heat ?

    asked by Anonymous
  59. math

    y*x=30 I need super help please

    asked by neil
  60. precalculus

    if side x=15 and side y=8 what is sin of the angle.

    asked by Ma
  61. geometry

    I have 4 pairs of parallel sides and each angle is 45 degrees, what am I

    asked by bob
  62. chemistry

    Calculate the final temperature of 289 of water initially at 35 upon absorption of 20 of heat.

    asked by jasmin
  63. Algebra

    Maria bicycles 8km/h faster than Dennis. In the same time it takes Dennis to bicycle 33km, Maria can bicycle 37km. How fast does each bicyclist travel?

    asked by Brenda
  64. math

    3 Normally distributed Test scores for a police exam is a normal distribution TEST,150,20. 5) Find the probability that a randomly chosen candidate’s score is greater than 165. 6) Find the cut-off score for the top 10% of test-takers.

    asked by marie
  65. chemistry

    How do you find the molecular weight of hydrogen carbonate and the atomic weight of the unknown metal in the hydrogen carbonate?

    asked by Anonymous
  66. physis

    an engine was used to lift up a load of 200kg to a platform 40m high in 20sec. calculate the power out put by the engine (take g =100n /kg).

    asked by afeez
  67. World History

    What is the Minoan civilization known for?

    asked by Angel
  68. H.W in Partial economy

    Bundle** Oranges/Week ** Total Utility A 0 50 B 1 80 C 2 100 D 3 115 E 4 125 F 5 133 G 6 139 H 7 144 I 8 146 J 9 147 K 10 147 L 11 147 M 12 147 N 20 147 From the above table draw TU curve and MU curve find MU when using the fourth oranges, then derive the

    asked by sara
  69. business law

    What argument could the SLOC members make that the payments made do not fit the meaning of an illegal bribe? (FCPA)

    asked by Pam
  70. MATHS

    A woman borrows 100000 euro to improve her house. she borrows the money at 15% interest and repays it in full after three years. What interest will she pay? PLEASE HELP

    asked by Anonymous
  71. HSM 270

    I have started this but I am stuck I do not really understand it I need help Stakeholder Influences Programs must often cater to the needs or expectations of many stakeholders, which may include the program administrator and staff, the funding institution,

    asked by Tracy
  72. Math Elementary

    Carol reads four times as many pages than John. They read 40 pages together. How many more pages did Carol read than John. My answer is Carol read 16 pages more than John. Am I correct.

    asked by Americal
  73. statistics

    What SPECIFIC statistical test would be applied to these data collected to answer the following questions? What’s the average amount of pain Mr. Smith reported yesterday? Is there a significant difference in depression levels (using a scale of 0-60)

    asked by Mack
  74. English

    I urgently need to check these sentences. I did the corrections myself. I just want to know if my corrections are OK. 1) A smaller stage, called inner stage, was hidden by a curtain at the bottom of the main stage and was used, for example, for the

    asked by Henry2
  75. physics

    How fast must a 3000 lb car be traveling to hit a 4000 lb minivan on the side rear to spin it 180°

    asked by Harry
  76. english

    Sukie and Lee get up early.Tey are going to grandma today. They will ride in the car with mother and father to get to grandma's house. please can anybody define the major charaters in this paragraph? I think Sukie and lee

    asked by dania
  77. English Lit

    I have two questions about these Emily Dickinson's "Wild Night" 1.Which best describes the rhyme in the second stanza--internal rhyme,slant rhyme,feminine rhyme,descending rhyme or no rhyme Would it be slant rhyme? 2.Which is the following sound device

    asked by Leah
  78. Physics

    A bicycle is moving at a constant speed of 12m/s as it covers a distance of 200m. it then applies its brakes and stops over the next 350m. how much time doe sthis total motion take?

    asked by Madison
  79. Written Analysis

    I would really appreciate help with a paper i'm having mental block with! The should be a paper on a topic that is hotly debated in American society and the article should be written by an author with an opposing view to my own. The article should include

    asked by keri
  80. english

    Please tell me the anthropological perspective. Is the culture, the cross-disciplinary discipline etc? Thanks!

    asked by jessica
  81. English

    Was my correction OK? You can't say the Juliet's tomb scene (but scenes such as Juliet's tomb) I left out a sentence. 1)Women were not allowed to play so men had to play their roles. (Is this sentence OK?) Better: Female roles were replaced by boy-actors.

    asked by Henry2
  82. organic chem

    How do injector temperature and detector temperature affect retention time of a compound in gas chromatography?

    asked by vivian
  83. math

    What is the function rule for input 2 output 6 input 4 output 7 input 6 output 8 input 8 output 9

    asked by Marion
  84. business research

    A researcher was given the assignment of predicting which of three actions would be taken by the 280 employees in the Desota plant that was going to be sold to its employees. The alternatives were to: a. Take severance pay and leave the company. b. Stay

    asked by yas
  85. west ashley middle

    find e,if a=8,d=22,b=4

    asked by mike
  86. Math help

    6y³(2x - 5y² + 8) help solve

    asked by Katie A
  87. calculus

    Find the points at which the following function is discontinuous.Indicate the intervals at which the function is continuous. f(x)= (x^2 if x

    asked by David
  88. trig

    evaluate the expression below at t=4 p=$400 and r=-9% round youre answer 2 decimal place

    asked by joe
  89. physics

    A 4.3 g bullet leaves the muzzle of a rifle with a speed of 306 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.89 m long barrel of the rifle?

    asked by savy
  90. physics

    A freight train has a mass of 1.4 107 kg. If the locomotive can exert a constant pull of 8.1 105 N, how long does it take to increase the speed of the train from rest to 66 km/h?

    asked by savy
  91. Math

    The sum of two whole numbers is 9,and their positive difference is 5.what is the product of the numbers?

    asked by Vic
  92. Physics

    A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1x10^4 rev/min. (a) Find the drill's angular acceleration. rad/s2 (b) Determine the angle (in radians) through which the drill rotates during this

    asked by Allie
  93. physics

    A 50kg boy suspends himself from a point on a rope tied horizontally between two vertical poles. The two segments of the rope are then inclined at angles 30 degrees and 60 degrees respectively to the horizontal.The tensions in the segments of the rope in

    asked by lawrence
  94. physics

    A rope suspended from a ceiling supports an object of weight W at its opposite end. Another rope tied to the first at the middle is pulled horizontally with a force of 30N. The junction P of the ropes is in equilibrium. Calculate the weight W and the

    asked by lawrence
  95. physics

    A 150-kg ladder leans against a smooth wall, making an angle of 30 degrees with the floor. The centre of gravity of the ladder is one-third the way up from the bottom. How large a horizontal force must the floor provide if the ladder is not to slip?

    asked by lawrence
  96. physics 12

    If the Earth has a mass of 5.98*10^24 kg and orbits the Sun at a radius of 1.43*10^11 meters. Find the mass of the Sun. Thank you.

    asked by roy
  97. English

    I included some corrections I did myself and a message I need you to check. 1)The apron stage was circular in shape and was projected in the open air. Correction: it's projected into the yard. 2)The witches predict to Macbeththat he will be Thane of Cowdor

    asked by Henry2
  98. Algebra 2 (Diophantine Equations)

    Solve 5x + 12y = 47 using Diophantine equations.

    asked by Peter
  99. math

    X = 6 cm and Z = 10 cm, what is the length of Y?

    asked by alex
  100. chem

    Use a temperature - composition diagram to explain why fractional distillation of two components is more easil? easily accomplished if the components have boiling points that differ by 20*C or more.

    asked by laura
  101. physics

    how do i calculate the pressure of a pipe with same area and constant velocity. I tried to use bernoulli's equation but it only applies if the area of the opening and end are not the same

    asked by eng
  102. Physics

    A hovercraft of mass 77.0 kg can move on a horizontal surface, the x-y plane. A single unbalanced force acts on the hovercraft, but the size of the force is unknown. The hovercraft initially has a velocity of 6.0 m/s in the positive x direction and some

    asked by Kellie
  103. math

    If f(x)=x/(14 x + 11), then the domain of f includes all real numbers except

    asked by debbie
  104. physics

    A block of mass 0.22 kg can slide on a frictionless incline (Ø = 30º) and is connected via a string to a vertical spring (k = 3.6 N/m). The system starts at rest with the spring at its natural length. (a) What is the maximum distance along the incline

    asked by Jill
  105. Math

    Hafers, an electrical supply company, sold $3,800 of equipment to Jim Coates Wiring, Inc. Coates signed a promissory note May 12 with 4.00% interest. The due date was August 18. Short of funds, Hafers contacted Charter One Bank on July 12; the bank agreed

    asked by Cher
  106. physics

    A sign that has a mass of 10.0kg is suspended by two wires, as shown below. (wire 1 is at a 40 degreee angle with the sign, wire 2 is at no angle) Determine the force exerted by each wire in supporting the sign. \in cluse a free-body diagram as part of

    asked by ANdrea
  107. Physics

    Two packing crates of masses m1 = 10.0 kg and m2 = 6.60 kg are connected by a light string that passes over a frictionless pulley as in the figure. The 6.60-kg crate lies on a smooth incline of angle 37.0°.

    asked by Imani
  108. Math: Functions

    A circular oil slick is expanding with radius, r in yards, at time t in hours given by r=2t-0.1t^2, for t in hours, 0

    asked by Savana
  109. statistics

    The sum of the draws from a box is 440. If the average of these draws is 2.20, how many draws were there?

    asked by kelly
  110. Math

    A certain soccer team wins (W) with P(W)= 60%, loses(L) with P(L) = 30%, and ties (T) with P(T) = 10%. The team plays three games over the weekend. a.Determine the elements of the event A that the team wins at least twice and does not lose. b.Find P(A)

    asked by Anonymous
  111. Chemistry

    Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 28.6 g sample of ethanol initially at a temperature of 10.8oC. The specific heat of ethanol is approximately

    asked by John
  112. Statistics

    Four people(North, South, East, West) are each dealt 13 cards from an ordinary deck of 52 cards. a. If South has exactly one ace, what is the probability that his partner North has the other three aces? b. If North and South together have 10 hearts, what

    asked by Anonymous
  113. business research

    A researcher was given the assignment of predicting which of three actions would be taken by the 280 employees in the Desota plant that was going to be sold to its employees. The alternatives were to: a. Take severance pay and leave the company. b. Stay

    asked by yas
  114. Physics

    A block of mass m = 5.9 kg is pulled up a è = 21° incline as in the figure with a force of magnitude F = 34 N. (a) Find the acceleration of the block if the incline is frictionless. 1 Your response differs from the correct answer by more than 10%. Double

    asked by Imani
  115. Geography

    Graticules on small scale map represents ________ and ______. Graticules on large scale map represents ________ and ______.

    asked by Jessica
  116. chemistry

    Antimony forms 2 chlorides having widely different properties. One of the chlorides is a solid that melts at 73*C and contains 46.5% chlorine by mass. The other is a liquid that boils at 140*C and contains 59.3% chlorine by mass. Show how these results

    asked by sam
  117. chemistry

    calculate the weight of copper in the Cu(NH3)4SO4 H20 you made. Mass of Cu(NH3)4SO4 H20 = 0.1140g

    asked by sam
  118. algebra

    -7|2x+21|-7=42 set notation and solution

    asked by chen
  119. physics

    A mass M can slide with negligible friction inside a tube bent in a circle of radius R = 1.45 m. The tube rotates about its diameter; the mass is in equilibrium at ¦È = 47.3¡ã. Calculate the number of revolutions the hoop makes in 115 s.

    asked by edward
  120. college chemistry

    For the equilibrium Br2 + Cl2 goes to 2BrCl at 400 K ,Kc = 7.0. 0.30 of Br2 and 0.30 of Cl2 are introduced into a 1.0 L- container at 400 K.a) What will be the equilibrium concentration of Br2? b) What will be the equilibrium concentration of Cl2 ? c) What

    asked by erika
  121. math

    3x+y+2z=1 x+2y-z=-8 3x-y-3z=18 after I isolate x what is the 2nd equation

    asked by donald
  122. mathematics


    asked by diana
  123. calculus

    Find the limit as x approaches -4 of 4-lxl/4+x

    asked by Ryan
  124. mathematics


    asked by diana
  125. mathematics


    asked by diana
  126. mathematics


    asked by diana
  127. Calculus

    A plane flying with a constant speed of 4 km/min passes over a ground radar station at an altitude of 5 km and climbs at an angle of 45 degrees. At what rate, in km/min is the distance from the plane to the radar station increasing 4 minutes later?

    asked by Anonymous
  128. trig

    I have to factor the expression and use fundamental identities: sins^2xcscx^2-sin^2x sec^4x-tan^4x

    asked by Help pleaseee
  129. Physics

    To create artificial gravity, the space station shown in the drawing is rotating at a rate of 0.600 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 5.10 m/s2. Find

    asked by Mary
  130. AP Chemistry

    What volume of 0.149 M K3PO4 is required to react with 41 mL of 0.793 M MgCl2 according to the equation 2 K3PO4 + 3 MgCl2 → Mg3(PO4)2 + 6 KCl Answer in units of m

    asked by Yolanda
  131. ap history

    please help with this DBQ to what extent it is justified to characterize the industrial leaders of the 1865-1900 era as either robber barons or industrial states-man? ive looked at the internet but not much about industrial statesman. what do you think?

    asked by heather
  132. Science

    What body system is most like the mitochondria in cells? It has to be one of these: Respiratory Muscular Immune Nervous Since I already used the other systems.

    asked by Ann
  133. Finance

    how do solve a math question that states an employee has an annual salary of 26,965. after he arranges to have deducted from his salary 12% for the purchase of bonds, 17% for federal withholding tax, and 3% for a retirement fund, how do you solve this

    asked by Queen
  134. College Chemistry

    What is the final temperature, in oC, after a 26.5 g piece of ice, at 0oC, is placed in a styrofoam cup with 122 g of water initially at 73.8oC the specific heat of water = 4.184 JK-1g-1 The heat of fusion of ice = 333 Jg-1

    asked by John
  135. Chemistry

    How do you calculate the concerntartion of vinegar?

    asked by Kefiloe
  136. English-Writing

    Many students fear the thought of college. It is not only the transition from high school that intimidates them, but large classrooms, two hour seminars, and worse part, the fear of failure is what keeps them from going. Hence either take shorter hours,

    asked by HM
  137. Statistics

    People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year within one book with 90% confidence? Initial survey results indicate that standard deviation= 15.5 books.

    asked by Stacey
  138. algebra - Please help

    Use the equation y = ax^2 + bx + c where x is the horizontal distance a baseball has traveled and y is the height of the ball at the given distance. 1)Are some values of y unreasonable? 2)How is this information important for choosing a window for the

    asked by Nilan
  139. chemistry

    In a reaction, 37.5 g of chromium(III) oxide reacts with 13.3 g of aluminum to produce chromium and aluminum oxide. If 25.7 g of chromium is produced, what mass of aluminum oxide is produced?

    asked by Anonymous
  140. english

    which are stressed syllables in not lured by any cheat of birth

    asked by adriana
  141. solid mechanics 1

    a load p is supported by a steel pin that has been inserted in a short wooden member hanging from the ceiling. the ultimate strength of the wood used is 60 MPa in tension and 7.5 MPa in shear, while the ultimate strength of the steel is 145 MPa in shear.

    asked by julia
  142. physics

    An 8.4 g bullet is accelerated in a rifle barrel 45 cm long to a speed of 1020 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated.

    asked by Bob
  143. chemistry

    The distribution coefficient of a compound between ether and water is 5.8. A student takes 1.5.g of the compound and dissolves it in 45 mL of water. The resulting solution is placed in a separatory funnel and an extraction is performed using 15 mL of

    asked by Anonymous