1. chemistry

    I wanted to know: How can I find the concentration of 1.2 ml 2-chloro-2-methylbutane in 100ml of a solution containing 60% isopropanol and 40% water? The solubility is 1.2 percent by volume.

    asked by Zara on October 19, 2006
  2. Chemistry

    Is it quantitatively acceptable to titrate all KHC8H4O4 samples with the NaOH solution to the same dark red endpoint ?Explain. thank for helping~

    asked by limit on October 31, 2011
  3. Chem

    If 0.03 moles of sulfuric acid is mixed with water to make 266 mililiter of solution, what is the molarity of H+? Answer in units of M.

    asked by Chandler on September 11, 2011
  4. chemistry

    A 2 x 10^-3 M solution of MnSO4 is gradually made more basic by adding NaOH. At what pH will manganese(II) hydroxide begin to precipitate? [Ksp of Mn(OH)2=2 x 10^-13]

    asked by lauren on December 18, 2009
  5. chemistry

    can you please answer this question. "The concentration of acetic acid in commercially available white vinegar is reported to be 5 % w/v. determine the molarity of the solution"

    asked by sutha on October 31, 2012
  6. chemistry

    1.To make the following saline solution (375ml 0.5% w/v sodium chloride). I have weighed 1.875g of NaCl. What will be the volume of water that is required?

    asked by Christina on December 3, 2012
  7. Chemistry

    Calculate the mass of lithium hydroxide that must be added to 50ml of water so that it may react exactly with 5ml solution of 1.5M nitric acid.

    asked by Jeconiah on June 6, 2012
  8. Chemistry

    A buffer containing 0.2832 M of acid, HA, and 0.1504 M of its conjugate base, A−, has a pH of 2.36. What is the pH after 0.0015 mol NaOH is added to 0.5000 L of this solution?

    asked by Tracey on March 16, 2012
  9. Chemistry

    How many mL of the 0.1029 M standard NaOH solution is required to titrate 0.2247 g sample of KHP to the phenolphthalein end point?

    asked by Erin on October 9, 2012
  10. Chemistry

    If an 0.650 m aqueous solution freezes at –2.00 °C, what is the van't Hoff factor, i, of the solute? Kf values can be found here. the Kf value is 1.86 °C/m. I get 2 for the answer but it is wrong. Please help!

    asked by Anonymous on March 1, 2013
  11. Chemistry

    Calculate the pH of a solution that is 0.060 M in potassium propionate(C2H5COOK or KC3H5O2) and 0.085 M in propionic acid (C2H5COOH or HC3H5O2)

    asked by Anonymous on October 28, 2010
  12. Chemistry

    How many mL of 0.0257 N KIO3 would be needed to reach the end-point in the oxidation of 34.2 mL of 0.0416N hydrazine in hydrochloric acid solution

    asked by Allen on June 4, 2017
  13. science

    A 68.4g sample of Potassium Chloride was added to 200g of water at 20 degrees celsius. Is the solution saturated, unsaturated, or supersaturated?

    asked by Maddy on January 3, 2012
  14. Chemistry

    Calculate the mass of lithium hydroxide that must be added to 50ml of water so that it may react exactly with 5ml solution of 1.5M nitric acid.

    asked by Jeconiah on June 6, 2012
  15. chemistry

    assume the true concentration of the acetic acid solution is .175M and calculate the percent relative error in your measurement?

    asked by john on February 19, 2013
  16. Chemistry(Please help)

    What is the pH of a 5.06E-2 M aqueous solution of sodium acetate? I know that I would set this up the same way I did for the previous question that I posted. I am just confused on how to find the Ka. I know it is kw/kb but for what compound is what I do

    asked by Hannah on April 7, 2012
  17. chemistry

    If a 0.01M Mn(NO3)2 solution has an ammonia concentration of 6.0M, would a precipitate form? Calculate the ion product and compare to Ksp.

    asked by jojo on July 8, 2015
  18. chemistry

    calculate the amount of solid NH4Cl to add to 50 mL of 1 M ammonia to form a mixture that has a pH of 9 assume no volume change in the solution

    asked by maycee on October 6, 2010
  19. chemistry

    What is the pH of a buffer solution that is prepared by treating 600.0 mL of 1.5 M sodium acetate with 240.0 mL of 0.25 M HCl? I tried everything, I have no clue how to start nor what to do; very lost

    asked by homework on March 19, 2018
  20. science

    If 1,2,3,4 moles of H3po4, nah2po4, na2hpo4, and na3po4 are mixed in an aqueous solution.find the pH. Ka1=10^-3, Ka2=10^-7, ka3= 10^-13

    asked by ravi on March 30, 2014
  21. Chem 2 Lab

    Calculate the volume of a 0.150 M NaOH solution that will be required to neutralize all of the H+ ions in 0.400 grams of phosphoric acid?

    asked by Lacey on April 25, 2012
  22. chemistry

    Complete and balance the displayed half reaction in neutral aqueous solution taking into account the electrons. Mg(s) → Mg2+(aq)

    asked by andy on June 1, 2010
  23. CHEMISTRY!!

    1) How would you prepare 20 mL of a solution having pH = 2.00 by dilution of 0.10 M HCl? 2) The Ka, for hypochlorous acid, HClO, is 7.2 x l0^–4 at 25°C. What is pKa? Write the equation for the reaction to which Ka applies.

    asked by jess on October 25, 2015
  24. Chemistry

    Equal volumes of 0.240 M AgNO3 and 0.140 M ZnCl2 solution are mixed. Calculate the quilibrium concentrations of Ag+, and Zn2+.

    asked by jina on April 8, 2011
  25. Chemistry - Science (Dr. Bob222)

    How many mmol ( millimoles) of HCl must be added to 130.0 mL of a 0.40M solution of methyl amine (pKb = 3.36) to give a buffer having a pH of 11.59? Thank you for your help!

    asked by Ana on May 6, 2014
  26. Maths

    Question: I graphed -2x+y=-6 Y=-(1/3)x+1 & w/ the options No Solution, Infinante Solutions, or ( , ) I found the answer is (3,1) am I correct? What would be a better way to double check my answers?

    asked by ArthurK on October 22, 2012
  27. biochemistry

    calculate the mass of sodium benzoate that must be added to 1 litre of 0.4M benzoic acid with Ka=6.4 multiplied by 0.00004 solution to a buffer at pH 4.5

    asked by sammyt on September 15, 2010
  28. Chemistry

    At 60 celsius the value of Kw is 9.5x10^-14. considering this waht is the calculated value for the pOH of a 2.00x10^-3 M HCL solution at this temperature? the answer is 10.32 i do the -log and i get 11.31 please advice

    asked by HELPP on October 26, 2011
  29. physiology

    if the isotonic solution in our body reduces like near to negligible then what would be the effect will it make on hematocrit concentration will it also become low and why?? please answer fast

    asked by harry on November 30, 2011
  30. chemistry

    How much water should be added to 55.0 mL of 0.201 M HCl to dilute the solution to 0.155 M? i used M1V1 = M2V2 and i got 71.3mL its wrong so im confused

    asked by lyne on March 2, 2009
  31. Chemistry HELP

    A solution of gaseous methylamine, CH3NH2, turns red litmus blue. Write the equation and explain this observation.

    asked by Tarkan on December 22, 2010
  32. chemistry

    How do I write a balanced equation for the following...Sulfur trioxide gas is bubbled through 125ml of a 0.165M sodium hydorxide solution?

    asked by Cindy on April 12, 2012
  33. chemistry

    Knowing that 1 mol of a certain monoprotico acid, HX, contained in 1 litre aqueous solution, this 50% ionized, point the value of its ionization constant.

    asked by snow on August 21, 2017
  34. chemistry

    Calculate mole fraction of solution made by mixing 46gram alkohol in 360 gram water at given temperature?

    asked by Parmvir khipal on March 11, 2013
  35. cHEMISTRY

    What mass of AgCl(143.32g/mol) is formed from the reaction of a 0.109 M MgCl2 solution with excess AgC2H3O2?

    asked by lIZ on February 29, 2016
  36. College Biology help!

    Is this true? Explain. To make a 100 osmolar solution of magnesium chloride, 60g of the salt are placed in a liter of water.

    asked by Anne on September 5, 2012
  37. CHEMISTRY

    A 6.6 × 10–4 M solution of MnSO4 is gradually made more basic by adding NaOH. At what pH will manganese(II) hydroxide begin to precipitate? For Mn(OH)2, Ksp = 2.0 × 10–13.

    asked by Anonymous on May 3, 2010
  38. Chemistry- please help!!

    The following reaction occurs in an aqueous acid solution: no3- + I- -> IO3- + NO2 In the balanced equation, the coefficient of water is A. 4 B. 3 C. 1 D. 5 E. 2

    asked by Charleze on May 23, 2010
  39. Chemistry

    Why should the sodium hydroxide pellets be completely dissolved in the preparation of the NaOH solution? please explain thouroughly, thanksss in advance!!

    asked by Maria on March 18, 2011
  40. chem

    Calculate the mass of anhydrous sodium carbonate Na2Co3 required to prepare 2.5 litres of 0.50M aqueous solution.(Na=23,C=12,O=16)

    asked by sharon on September 29, 2015
  41. chemistry

    Please help by Monday Explain in words how you would prepare 250.0 mL of a 3.000 M solution of Ba(OH)2 starting from solid barium hydroxide and water.

    asked by May on October 9, 2010
  42. AS Chemistry

    which ions are present in a solution of ethanol in an excess of concentrated sulphuric acid? 1 CH3CH2O- 2 CH3CH2OH2 3 HSO4- Explain please! Thanks :)

    asked by Ariana on August 22, 2014
  43. Geometry

    Writing indirect proofs. Can someone please check for me. I am not sure If this is correct.Thanks much Given: triangle ABC angle B=120 degree Proof: Triangle A does not equal 60 degree Plan: Using an indirect proof, using the paragraph method My answer.

    asked by DANIELLE on June 4, 2007
  44. English

    Can you please check if the following sentences summarising part of the film Frankenstein are possible? 1) Though the town is affected by cholera Victor decides not to abandon his work. 2) His work comes even before his beloved Elizabeth, who tries to

    asked by Franco on November 22, 2010
  45. History-help

    I need help on this! Please help me! Thank you :) you're a huge blessing! What is driving the economic changes in china and why? What economic system do you believe china is? Why? What are the goals and dreams of the Chinese compared Americans? What are

    asked by Anonymous on March 4, 2014
  46. math

    length of a piece of wood must measure between 15 and 17 centimeters and the width must measure between 9 and 11 centimeters. write a system of linear inequalities to represent the possible dimensions of the wood,in inches,given that 1 inch equals 2.54

    asked by Munna on April 21, 2016
  47. Physics

    A 0.52kg mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.15m . a. Determine the velocity when it passes the equilibrium point. b.Determine the velocity when it is 0.12m from equilibrium c.Determine the total energy of the

    asked by Juanita on October 27, 2013
  48. Math

    Show me how to solve problems like this. 1.) 7 + (-9) + (-5) + 6 2.) [(-3)(-4)(-5)]/ (-2)(-3)] Try reading the following sites' pages very carefully. Then make an attempt at doing the problem, and we'll see if you got it right:

    asked by Walter on June 6, 2007
  49. ashworth college

    In completing the work sheet, what is the reason for adding the net income for the year to the balance sheet credit column total It helps to put a subject in the subject box. In completing the work sheet, what is the reason for adding the net income for

    asked by cook on February 27, 2007
  50. linear algebra

    Bob and Doug play a lot of Ping-Pong, but Doug is a much better player, and wins 80% of their games. To make up for this, if Doug wins a game he will spot Bob five points in their next game. If Doug wins again he will spot Bob ten points the next game, and

    asked by jolia on December 7, 2014
  51. physics

    a) 2.0 kg of molten copper at its melting point of 1083 ºC (the copper is 100% liquid) is poured into a mold in a cooling water bath at 20 ºC. What mass of water is needed to bring the solidified copper and water to an equilibrium temperature of 30 ºC,

    asked by Eric on December 12, 2006
  52. Hospitality and Tourism

    Is this ethical behavior? Is it ethical to take office supplies from work for home use? No Is it ethical to use company time to solicit signatures for a petition nconcerning a current social issue? No If there are sslight defects in a product you are

    asked by Anonymous on September 3, 2016
  53. physics

    A 15 g lead bullet is tested by firing it into a fixed block of wood with a mass of 1.05 kg. The block and the embedded bullet together absorb all the heat generated. After thermal equilibrium has been reached, the system has a change in temperature

    asked by jen on September 23, 2010
  54. MAth algebra 1

    Steve is driving to a ski resort. At first, he drove at a rate of 65 mph. Then a snow storm started and he had to slow down to 40 mph. In total. it took him 6 hours to drive 310 miles. Which system of equations represents this situation? A. 6x + y= 1 x +

    asked by dbzaltheway on February 8, 2016
  55. Social Studies

    In Athens the system of government became a direct democracy, in which the people participated directly in government. In the Roman republic, citizens participated in government A.in the identical way B.through meetings held in the marketplace C.by taking

    asked by lovelife3 on April 14, 2016
  56. Physics

    A 500 g block on a frictionless surface is attached to a rather limp spring of constant k = 8.7 N/m. A second block rests on the first, and the whole system executes simple harmonic motion with a period of 3.1 s. When the amplitude of the motion is

    asked by Mike on November 11, 2012
  57. physics

    A 16 lb block rests on a horizontal frictionless surface. A cord attached to the block, running horizontally, passes over a pulley whose diameter is 1 in, to a hanging block weighing 16 lb. The system is released from rest, and the blocks are observed to

    asked by Science on May 6, 2013
  58. Physics

    The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105 J/kg, and its specific heat is 900 J/kg • K. If 300 kJ of heat are added to 442 g of aluminum at 100°C, what is the final state of the system? That is, how much is liquid,

    asked by MB on March 10, 2016
  59. physics

    A vertical load W is applied to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A and E in terms of the magnitude of the applied load, W. Use MATLAB to find the

    asked by SD TRUSS PROBLEM WITH THE METHOD OF JOINTS on July 1, 2014
  60. physics

    A painter of mass 90.0 kg stands on a platform of mass 50.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 600.0 N. Assuming a coordinate system where +y is up, calculate the y-component of the acceleration

    asked by shyne on September 28, 2012
  61. chemistry

    I am having a hard time with this problem. I was wondering where I went wrong. The problem says The equilibrium constant, Kc, for the reaction of H2 and N2 is 1.7×10^2 at 225 ∘C. 3H2(g)+N2(g)←→2NH3(g) If the system at equilibrium contains 0.16M H2

    asked by chelsea on November 13, 2013
  62. Physic sucks 1401

    An Atwood's machine is built from m1=1kg and m2=2kg. The massless string is passed over a frictionless massless pulley. When the system is released from rest, what is the tension in the string? The answer is 68, this is for my finals review And my

    asked by Amanda on April 30, 2017
  63. physics

    A 44.8- child is standing on the outer edge of a merry-go-round that has moment of inertia 981 and radius 2.40 . The entire system is initially rotating at 0.180 . Find the angular velocity if the child moves to a final position 1.10 from the center of the

    asked by Anonymous on September 30, 2012
  64. Physics

    A spring is attached to the top of a table. The spring has a spring constant of 500.0 N/m. The spring is initially compressed by 1.50 m by a baseball (0.145 kg). How much energy is present in the system from the compression? After release, what is the

    asked by Daddy on October 31, 2016
  65. physics

    A car begins at rest at t0 = 0. The car starts moving and finally covers a distance d = 617 m in a time tf = 105 s. In a coordinate system with north being the positive x-direction, the car's motion is in the southern direction. What was the car's average

    asked by joe new on September 12, 2014
  66. history

    Which most accurately defines heretic? A a person who flees a region because of ethnic persecution B a person who holds a belief not accepted by other members of his or her faith C a military traitor to one’s nation or ethnic group D a leader of a new

    asked by laurie k on November 6, 2018
  67. Physics

    A painter of mass 80.0 kg stands on a platform of mass 75.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 400.0 N. Assuming a coordinate system where +y is up, calculate the y-component of the acceleration

    asked by Ashley on September 21, 2016
  68. physics

    Three particles, each of mass 1.0 kg, are fastened to each other and to a rotation axis by three massless strings, each 0.120 m long, as shown in the Figure. The combination rotates around the rotation axis with an angular velocity of 25.0 rad/s in such a

    asked by Kelly on April 17, 2018
  69. Physics.

    A 500 g block lies on a horizontal tabletop. The coefficient of kinetic friction between the block and the surface is 0.25. The block is connected by a massless string to the second block with a mass of 300 g. The string passes over a light frictionless

    asked by Lissa. on May 31, 2014
  70. Science

    A Big Mac contains a bun, hambuger, pickles, lettuce, tomatos, and a special sauce (mayo) which part if a big mac is chemically broken down in each digestive system organ? Mouth- Stomach- Small Intestines- Large Intestines- HELP EMILEIGH =D

    asked by Emileigh on December 14, 2010
  71. Chemistry!

    Consider the equilibrium system: N204 (g) = 2 NO2 (g) for which the Kp = 0.1134 at 25 C and deltaH rx is 58.03 kJ/mol. Assume that 1 mole of N2O4 and 2 moles of NO2 are introduced into a 5 L contains. What will be the equilibrium value of [N204]? Options

    asked by Vee on February 12, 2012
  72. Chemistry

    HELP PLEASE. I have no idea how to set this up. I tried using the q=mc(change in temp) equation but its not working out. A 59.8 g block of an unknown metal at 87.5 degrees Celsius was dropped into an insulated vesssel containing approximately 33 g of ice

    asked by Taylor on September 30, 2014
  73. accounting

    Activity-based costing is: A)the process of identifying all activities and relating these activities to the events, circumstances, or conditions that create or drive the need for the activities and the resources consumed. B)a method of determining the most

    asked by Lee on August 12, 2008
  74. accounting

    Activity-based costing is: A) the process of identifying all activities and relating these activities to the events, circumstances, or conditions that create or drive the need for the activities and the resources consumed. B) a method of determining the

    asked by Lee on August 12, 2008
  75. Physics....Orbiting Satellite

    A orbiting satellite stays over a certain spot on the equator of (rotating) Venus. What is the altitude of the orbit (called a "synchronous orbit")? I found the radius and mass of Venus on the google, but I don't know what I should plug in the "T" if I use

    asked by Jessy on January 15, 2007
  76. Physics

    A natural gas power plant burns natural gas to produce electricity. In one second it produces 500 MJ of electrical potential energy. The power plant consumes chemical energy in order to produce electrical potential energy. --In one second does it consume

    asked by Daniel on December 9, 2015
  77. English Improving writing

    please check this for me he is my rough draft (again) Please check this for me thank you very much :) There are on- going problems that need to be addressed at the DMD company. First there is uneven allocation of tasks. While Bonnie and Molly are working

    asked by Kaleigh-Anne on June 20, 2008
  78. Writing Sentences and Paragraphs

    Ok I worked real hard on this :) I hope I nailed it this time. My other question is : Is it one space after commas? Two spaces after a period ? and one space after an exclamation mark. Ok fingers crossed ! Anna, I am so happy you’ve moved back to

    asked by Shawna on January 12, 2012
  79. english

    In my Communications class we are discussing how eye contact is important when giving an oral presentation. My teacher asked the question which countries and cultures don't use eye contact? What assumptions and rules do they have concerning lack of eye

    asked by jessica on October 8, 2006
  80. accounting

    Company reports net income of $ 530,000 for the year ended December 31, 2009. It also reports $ 95,400 depreciation expense and a $ 4,000 gain on the sale of machinery. Its comparative balance sheets reveal a $ 42,400 increase in accounts receivable,

    asked by Renee on October 24, 2011
  81. opinion

    How can American companies make the workplace environment safe and efficient without treating employees like suspected criminals? It depends on what type of companies and what type of jobs you are considering. I don't know why making an environment "safe

    asked by anonymous on August 21, 2006
  82. business

    Euromart Tile Company borrowed $40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day 25 of the loan, Euromart made a partial payment of $15,000, and on day 45 of the loan, Euromart made a second partial payment of

    asked by lost on June 21, 2013
  83. Math

    Euromart Tile Company borrowed $40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day 25 of the loan, Euromart made a partial payment of $15,000, and on day 45 of the loan, Euromart made a second partial payment of

    asked by Anonymous on June 19, 2013
  84. math

    Euromart Tile Company borrowed $40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day 25 of the loan, Euromart made a partial payment of $15,000, and on day 45 of the loan, Euromart made a second partial payment of

    asked by brad on June 22, 2013
  85. WORLD GEOGRAPHY

    9. Australian vegetation is dominated by various species of acacia and A. cacti. B. marsupials. C. ores. D. eucalyptus. 10. According to the World Health Organization (WHO), AIDS is listed as the _______ main cause of global deaths. A. eighth B. fourth C.

    asked by SARAH on September 7, 2014
  86. Chemistry

    When reviewing the procedure the student found that 4.912 x 10-1 M barium nitrate solution had been used instead of that in the following procedure: A student synthesized 6.895 g of barium iodate monohydrate, Ba(IO3)2*H2O by adding 30.00 mL of 5.912 x 10-1

    asked by Steve on July 3, 2014
  87. Chemistry

    When reviewing the procedure the student found that 4.912 x 10-1 M barium nitrate solution had been used instead of that in the following procedure: A student synthesized 6.895 g of barium iodate monohydrate, Ba(IO3)2*H2O by adding 30.00 mL of 5.912 x 10-1

    asked by Steve on July 3, 2014
  88. Chemistry - Buffers

    A buffer is formed by adding 500mL of .20 M HC2H3O2 to 500 mL of .10 M NaC2H3O2. What would be the maximum amount of HCl that could be added to this solution without exceeding the capacity of the buffer? A. .01 mol B. .05 mol C. .10 mol D. .15 mol E. .20

    asked by alexa on April 21, 2007
  89. math

    Which strategies can be used to solve this problem? The candle factory made 1,200 candles per month in June and July and 1,345 candles per month in August and September. What is the total number of candles they made in four months? Choose all answers that

    asked by April lanneau on March 8, 2019
  90. Psychology

    1)The Peabody Picture Vocabulary Test-Revised is used to Select one: a. determine a child’s reading level b. determine a deaf child’s understanding of words c. identify people with communication difficulties d. identify children who should skip a grade

    asked by Anonymous on July 15, 2015
  91. Englisg

    1) Using a single formatting _____ helps to make reading researched information easier;it lets the reader know what to expect. A. Citation B. Text C. Style D. Website My answer was B I got it wrong 2) when creating a writing plan,which of the following

    asked by Justin Please Check on March 24, 2015
  92. Math

    Hello, I have this question to which it's solution I'm not quite sure of. The question is based on a diagram, and I can't really present it but I'll explain it to my very best, thank you very much for trying to understand my bad presentation of the

    asked by Torre on May 9, 2012
  93. English

    1. The best way to confirm the accuracy of a source is to check it against another source. True****** False 2. An expository essay is research based and completely objective. True False****** 3. Developing research questions is done during the drafting

    asked by girly girl on April 30, 2018
  94. Physics

    A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. Pumpkin is at left of angle n is 53 degrees and watermelon is on right and at 30 degrees

    asked by Anonymous on February 12, 2012
  95. English

    1 The lack of a ___ system of measurement is an international problem. scanty, uniform, transient, instantaneous 2. Almost ____ communication kept the President up-to-the-minute with events at the conference. exponential, transient, instantaneous,

    asked by Hayley on August 21, 2013
  96. Physics

    The Atwood Machine consists of two masses suspended form a fixed pulley. If the first mass is 0.55kg and 0.8kg, (a) what is the acceleration of the system? (b) What is the magnitude of the tension in the string? (consider the pulley to be frictionless and

    asked by Raphael Grenfell on April 20, 2016
  97. chem please help

    What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules Do not

    asked by Morgan on November 26, 2014
  98. PHYSICS

    On a horizontal frictionless table, masses A and B (3 kg, 6 kg) slide to the right and left, respectively. They have speeds of 3 m/s and 1 m/s, respectively. The two masses collide, and bounce off each other. After the collision, they travel in opposite

    asked by kelsey on October 15, 2008
  99. chemistry

    The vapor pressure of an organic solvent is 50 mm Hg at 25°C and 200 mm Hg at 45°C. The solvent is the only species in a closed flask at 35°C and is present in both liquid and vapor states. the system pressure is 760mmHg. Determine the mole fraction of

    asked by Anonymous on February 9, 2011
  100. PHYSICS

    A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. Pumpkin is at left of angle n is 53 degrees and watermelon is on right and at 30 degrees

    asked by Anonymous on February 12, 2012

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40
  41. 41
  42. 42
  43. 43
  44. 44
  45. 45
  46. 46
  47. 47
  48. 48
  49. 49
  50. 50
  51. 51
  52. 52
  53. 53
  54. 54
  55. 55
  56. 56
  57. 57
  58. 58
  59. 59
  60. 60
  61. 61
  62. 62
  63. 63
  64. 64
  65. 65
  66. 66
  67. 67
  68. 68
  69. 69
  70. 70
  71. 71
  72. 72
  73. 73
  74. 74
  75. 75
  76. 76
  77. 77
  78. 78
  79. 79
  80. 80
  81. 81
  82. 82
  83. 83
  84. 84
  85. 85
  86. 86
  87. 87
  88. 88
  89. 89
  90. 90
  91. 91
  92. 92
  93. 93
  94. 94
  95. 95
  96. 96
  97. 97
  98. 98
  99. 99
  100. 100
  101. 101
  102. 102
  103. 103
  104. 104
  105. 105
  106. 106
  107. 107
  108. 108
  109. 109
  110. 110
  111. 111
  112. 112
  113. 113
  114. 114
  115. 115
  116. 116
  117. 117
  118. 118
  119. 119
  120. 120
  121. 121
  122. 122
  123. 123
  124. 124
  125. 125
  126. 126
  127. 127
  128. 128
  129. 129
  130. 130
  131. 131
  132. 132
  133. 133
  134. 134
  135. 135
  136. 136
  137. 137
  138. 138
  139. 139
  140. 140
  141. 141
  142. 142
  143. 143
  144. 144
  145. 145
  146. 146
  147. 147
  148. 148
  149. 149
  150. 150
  151. 151
  152. 152
  153. 153
  154. 154
  155. 155
  156. 156
  157. 157
  158. 158
  159. 159
  160. 160
  161. 161
  162. 162
  163. 163
  164. 164
  165. 165
  166. 166
  167. 167
  168. 168
  169. 169
  170. 170
  171. 171
  172. 172
  173. 173
  174. 174
  175. 175
  176. 176
  177. 177
  178. 178
  179. 179
  180. 180
  181. 181
  182. 182
  183. 183
  184. 184
  185. 185
  186. 186
  187. 187
  188. 188
  189. 189
  190. 190
  191. 191
  192. 192
  193. 193
  194. 194
  195. 195
  196. 196
  197. 197
  198. 198
  199. 199
  200. 200
  201. 201
  202. 202
  203. 203
  204. 204
  205. 205
  206. 206
  207. 207
  208. 208
  209. 209
  210. 210
  211. 211
  212. 212
  213. 213
  214. 214
  215. 215
  216. 216
  217. 217
  218. 218
  219. 219
  220. 220
  221. 221
  222. 222
  223. 223
  224. 224
  225. 225
  226. 226
  227. 227
  228. 228
  229. 229
  230. 230
  231. 231
  232. 232
  233. 233
  234. 234
  235. 235
  236. 236
  237. 237
  238. 238
  239. 239
  240. 240
  241. 241
  242. 242
  243. 243
  244. 244
  245. 245
  246. 246
  247. 247
  248. 248
  249. 249
  250. 250
  251. 251
  252. 252
  253. 253
  254. 254
  255. 255
  256. 256
  257. 257
  258. 258
  259. 259
  260. 260
  261. 261
  262. 262
  263. 263
  264. 264
  265. 265
  266. 266
  267. 267
  268. 268
  269. 269
  270. 270
  271. 271
  272. 272
  273. 273
  274. 274
  275. 275
  276. 276
  277. 277
  278. 278
  279. 279
  280. 280
  281. 281
  282. 282
  283. 283
  284. 284
  285. 285
  286. 286
  287. 287
  288. 288
  289. 289
  290. 290
  291. 291
  292. 292
  293. 293
  294. 294
  295. 295
  296. 296
  297. 297
  298. 298
  299. 299
  300. 300
  301. 301
  302. 302
  303. 303
  304. 304
  305. 305
  306. 306
  307. 307
  308. 308
  309. 309
  310. 310
  311. 311
  312. 312
  313. 313
  314. 314
  315. 315
  316. 316
  317. 317
  318. 318
  319. 319
  320. 320
  321. 321
  322. 322
  323. 323
  324. 324
  325. 325
  326. 326
  327. 327
  328. 328
  329. 329
  330. 330
  331. 331
  332. 332
  333. 333
  334. 334
  335. 335
  336. 336
  337. 337
  338. 338
  339. 339
  340. 340
  341. 341
  342. 342
  343. 343
  344. 344
  345. 345
  346. 346
  347. 347
  348. 348
  349. 349
  350. 350
  351. 351
  352. 352
  353. 353
  354. 354
  355. 355
  356. 356
  357. 357
  358. 358
  359. 359
  360. 360
  361. 361
  362. 362
  363. 363
  364. 364
  365. 365
  366. 366
  367. 367
  368. 368
  369. 369
  370. 370
  371. 371
  372. 372
  373. 373
  374. 374
  375. 375
  376. 376
  377. 377
  378. 378
  379. 379
  380. 380
  381. 381
  382. 382
  383. 383
  384. 384
  385. 385
  386. 386
  387. 387
  388. 388
  389. 389
  390. 390
  391. 391
  392. 392
  393. 393
  394. 394
  395. 395
  396. 396
  397. 397
  398. 398
  399. 399
  400. 400
  401. 401
  402. 402
  403. 403
  404. 404
  405. 405
  406. 406
  407. 407
  408. 408
  409. 409
  410. 410
  411. 411
  412. 412
  413. 413
  414. 414
  415. 415
  416. 416
  417. 417
  418. 418
  419. 419
  420. 420
  421. 421
  422. 422
  423. 423
  424. 424
  425. 425
  426. 426
  427. 427
  428. 428
  429. 429
  430. 430
  431. 431
  432. 432
  433. 433
  434. 434
  435. 435
  436. 436
  437. 437
  438. 438
  439. 439
  440. 440
  441. 441
  442. 442
  443. 443
  444. 444
  445. 445
  446. 446
  447. 447
  448. 448
  449. 449
  450. 450
  451. 451
  452. 452
  453. 453
  454. 454
  455. 455
  456. 456
  457. 457
  458. 458
  459. 459
  460. 460
  461. 461
  462. 462
  463. 463
  464. 464
  465. 465
  466. 466
  467. 467
  468. 468
  469. 469
  470. 470
  471. 471
  472. 472
  473. 473
  474. 474
  475. 475
  476. 476
  477. 477
  478. 478
  479. 479
  480. 480
  481. 481
  482. 482
  483. 483
  484. 484
  485. 485
  486. 486
  487. 487
  488. 488
  489. 489
  490. 490
  491. 491
  492. 492
  493. 493
  494. 494
  495. 495
  496. 496
  497. 497
  498. 498
  499. 499
  500. 500
  501. 501
  502. 502
  503. 503
  504. 504
  505. 505
  506. 506
  507. 507
  508. 508
  509. 509
  510. 510
  511. 511
  512. 512
  513. 513
  514. 514
  515. 515
  516. 516
  517. 517
  518. 518
  519. 519
  520. 520
  521. 521
  522. 522
  523. 523
  524. 524
  525. 525
  526. 526
  527. 527
  528. 528
  529. 529
  530. 530
  531. 531
  532. 532
  533. 533
  534. 534
  535. 535
  536. 536
  537. 537
  538. 538
  539. 539
  540. 540
  541. 541
  542. 542
  543. 543
  544. 544
  545. 545
  546. 546
  547. 547
  548. 548
  549. 549
  550. 550
  551. 551
  552. 552
  553. 553
  554. 554
  555. 555
  556. 556
  557. 557
  558. 558
  559. 559
  560. 560
  561. 561
  562. 562
  563. 563
  564. 564
  565. 565
  566. 566
  567. 567
  568. 568
  569. 569
  570. 570
  571. 571
  572. 572
  573. 573
  574. 574
  575. 575
  576. 576
  577. 577
  578. 578
  579. 579
  580. 580
  581. 581
  582. 582
  583. 583
  584. 584
  585. 585
  586. 586
  587. 587
  588. 588
  589. 589
  590. 590
  591. 591
  592. 592
  593. 593
  594. 594
  595. 595
  596. 596
  597. 597
  598. 598
  599. 599
  600. 600
  601. 601
  602. 602
  603. 603
  604. 604
  605. 605
  606. 606
  607. 607
  608. 608
  609. 609
  610. 610
  611. 611
  612. 612
  613. 613
  614. 614
  615. 615
  616. 616
  617. 617
  618. 618
  619. 619
  620. 620
  621. 621
  622. 622
  623. 623
  624. 624
  625. 625
  626. 626
  627. 627
  628. 628
  629. 629
  630. 630
  631. 631
  632. 632
  633. 633
  634. 634
  635. 635
  636. 636
  637. 637
  638. 638
  639. 639
  640. 640
  641. 641
  642. 642
  643. 643
  644. 644
  645. 645
  646. 646
  647. 647
  648. 648
  649. 649
  650. 650
  651. 651
  652. 652
  653. 653
  654. 654
  655. 655
  656. 656
  657. 657
  658. 658
  659. 659
  660. 660
  661. 661
  662. 662
  663. 663
  664. 664
  665. 665
  666. 666
  667. 667
  668. 668
  669. 669
  670. 670
  671. 671
  672. 672
  673. 673
  674. 674
  675. 675
  676. 676
  677. 677
  678. 678
  679. 679
  680. 680
  681. 681
  682. 682
  683. 683
  684. 684
  685. 685
  686. 686
  687. 687
  688. 688
  689. 689
  690. 690
  691. 691
  692. 692
  693. 693
  694. 694
  695. 695
  696. 696
  697. 697
  698. 698
  699. 699
  700. 700
  701. 701
  702. 702
  703. 703
  704. 704
  705. 705
  706. 706
  707. 707
  708. 708
  709. 709
  710. 710
  711. 711
  712. 712
  713. 713
  714. 714
  715. 715
  716. 716
  717. 717
  718. 718
  719. 719
  720. 720
  721. 721
  722. 722
  723. 723
  724. 724
  725. 725
  726. 726
  727. 727
  728. 728
  729. 729
  730. 730
  731. 731
  732. 732
  733. 733
  734. 734
  735. 735
  736. 736
  737. 737
  738. 738
  739. 739
  740. 740
  741. 741
  742. 742
  743. 743
  744. 744
  745. 745
  746. 746
  747. 747
  748. 748
  749. 749
  750. 750
  751. 751
  752. 752
  753. 753
  754. 754
  755. 755
  756. 756
  757. 757
  758. 758
  759. 759
  760. 760
  761. 761
  762. 762
  763. 763
  764. 764
  765. 765
  766. 766
  767. 767
  768. 768
  769. 769
  770. 770
  771. 771
  772. 772
  773. 773
  774. 774
  775. 775
  776. 776
  777. 777
  778. 778
  779. 779
  780. 780
  781. 781
  782. 782
  783. 783
  784. 784
  785. 785
  786. 786
  787. 787
  788. 788
  789. 789
  790. 790
  791. 791
  792. 792
  793. 793
  794. 794
  795. 795
  796. 796
  797. 797
  798. 798
  799. 799
  800. 800
  801. 801
  802. 802
  803. 803
  804. 804
  805. 805
  806. 806
  807. 807
  808. 808
  809. 809
  810. 810
  811. 811
  812. 812
  813. 813
  814. 814
  815. 815
  816. 816
  817. 817
  818. 818
  819. 819
  820. 820
  821. 821
  822. 822
  823. 823
  824. 824
  825. 825
  826. 826
  827. 827
  828. 828
  829. 829
  830. 830
  831. 831
  832. 832
  833. 833
  834. 834
  835. 835
  836. 836
  837. 837
  838. 838
  839. 839
  840. 840
  841. 841
  842. 842
  843. 843
  844. 844
  845. 845
  846. 846
  847. 847
  848. 848
  849. 849
  850. 850
  851. 851
  852. 852
  853. 853
  854. 854
  855. 855
  856. 856
  857. 857
  858. 858
  859. 859
  860. 860
  861. 861
  862. 862
  863. 863
  864. 864
  865. 865
  866. 866
  867. 867
  868. 868
  869. 869
  870. 870
  871. 871
  872. 872
  873. 873
  874. 874
  875. 875
  876. 876
  877. 877
  878. 878
  879. 879
  880. 880
  881. 881
  882. 882
  883. 883
  884. 884
  885. 885
  886. 886
  887. 887
  888. 888
  889. 889
  890. 890
  891. 891
  892. 892
  893. 893
  894. 894
  895. 895
  896. 896
  897. 897
  898. 898
  899. 899
  900. 900
  901. 901
  902. 902
  903. 903
  904. 904
  905. 905
  906. 906
  907. 907
  908. 908
  909. 909
  910. 910
  911. 911
  912. 912
  913. 913
  914. 914