1. CHEMISTRY

    1. What is the vapor pressure at 25°C of a solution of 1.20g of nephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of pure benzene at 23°C is 86.0mmHg the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure lowering of

    asked by N COMAS on March 20, 2013
  2. Physics

    A 5.60-kg particle has the xy coordinates (-1.20 m, 0.500 m), and a 5.20-kg particle has the xy coordinates (0.600 m, -0.750 m). Both lie on a horizontal plane. At what x and y coordinates must you place a 1.60-kg particle such that the center of mass of

    asked by winterWX on February 21, 2007
  3. algebra

    Stacey throws two dice. The difference in face value between the two dice is three, and the product of the numbers thrown is equal to twice the sum of the two numbers. Show and solve an alebraic equation that finds the numbers Stacey threw.

    asked by Ella on April 27, 2011
  4. Chemistry

    Gas X has a density of 2.60/L at STP. Determine the molar of this gas. Please show me the steps to solve this problem. thanks You just need the definition. One mol of a gas at STP occupies 22.4 L. You have the mass of 1 L. Just calculat the mass of 22.4 L.

    asked by michelle on March 21, 2007
  5. Math

    The earth takes 365 1/4 days to go around the sun. Mercury takes 3 days less than 1/4 of this time. How many days does Mercury take to go around the sun? I believe I would have to find 1/4 of the 365 1/4 days then take 3 days out. I was given this do as

    asked by Arianna on July 19, 2016
  6. English

    1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem. (Are they all grammatical?

    asked by rfvv on July 16, 2013
  7. chemistry

    Insert a complete data table, including appropriate significant figures and units, in the space below. Also include any observations you made over the course of Part I. Aluminum Measured Mass of Metal 41.66 g Distilled Water Measurement 25 mL Distilled

    asked by kim on July 7, 2014
  8. Chem: pH of acids and bases

    Calculate the concentrations of all species in a 0.320-M solution of H2X if K1 = 6.31E-06 and K2 = 3.71E-09 [H2X] = [H3O1+] = [HX1-] = [X2-] = Work: H2X + H2O --> HX- + H3O+ .320 M This is literally the only thing I know. How can there be two different

    asked by Maggie on October 24, 2016
  9. chemistry

    (3 pts) The stockroom prepared a solution by dissolving 0.2300 g of Erythrosin B (MW = 879.87 g/mol) in DI water in a 250.00 mL volumetric flask. A student pipetted 5 mL of the stockroom solution into a 100.00 mL volumetric flask and diluted it to the mark

    asked by Anonymous on February 4, 2008
  10. Physics

    At the instant the traffic light turns green, an automobile that has been waiting at an intersection starts ahead with a constant acceleration of 2.50 . At the same instant, a truck, traveling with a constant speed of 15.4 , overtakes and passes the

    asked by JC on September 10, 2006
  11. Chemistry

    Find the number of mg Na2co3 FW = 106g/mol required to prepare 500ml of 9.2ppm NA solution. ppm = mg/L 9.2mg/1000ml x= 0.0092 x 500ml = 4.6mg x 23 = 106mg The right answer 10.6mg NA weight = 23 Who helps me to solve it for me.

    asked by Fai on November 4, 2012
  12. Accounting for Managers

    Question 1 of 20 5.0 Points Which of the following products probably would be manufactured using a job order costing system? A. Paper B. Baseball cards C. Computer monitors D. Company business cards Reset Selection Mark for Review What's This? Question 2

    asked by Blu on September 5, 2012
  13. Physics Help Please

    A 35-mm camera equipped with a 40-mm focal length lens is used to photograph a tree 17 m tall. If a 32-mm high image of the tree on the CCD sensor is required, how far should the camera lens be from the tree? Show Work Please! Thank you so much!

    asked by Need Help Urgent on May 2, 2015
  14. Physics Help Please

    A 35-mm camera equipped with a 40-mm focal length lens is used to photograph a tree 17 m tall. If a 32-mm high image of the tree on the CCD sensor is required, how far should the camera lens be from the tree? Show Work Please! Thank you so much!

    asked by Need Help Urgent on May 3, 2015
  15. Physics

    The yellow submarine in which we all live is at rest s km below the surface of the ocean (ρ = 1030 kg/ms), what pressure does the water exert on the outside surface of the submarine if the pressure at the surface is 1 atm (101 kPa)? Please help!!!! show

    asked by sarah on June 26, 2019
  16. Math Geometry

    a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the volume of the shipping crate? Show your work. i know V=lwh , but I'm getting the wrong answer! Please help.

    asked by andra on July 9, 2013
  17. Alg 2

    a rectangular picture frame measures 8 inches by 4 inches. You want to triple the frame's area by adding the same distance, x, to the length and width. Find the value of x and find the new dimensions of the frame. How do you do this?? Please show work

    asked by Anna on July 26, 2011
  18. chemistry

    Consider an insulated system containing 150 g of liquid water and 150 g of ice at equilibrium under atmospheric pressure. A total of 22g of steam at 120◦C is admitted to the system. What is the phase composition and temperature when equilibrium is

    asked by ace on November 14, 2012
  19. Physics

    Posted earlier but I wrote it incorrectly. How fast would a rocket have to be going in order to completely leave the solar system? (Assume that the Sun is the only mass in the solar system and that the rocket is beginning its journey from Earth's orbit?)

    asked by Kaitlyn on September 30, 2011
  20. math help please

    A drainage system for a 40 acre field is designed to remove 3/8 inch of standing water from the entire field in 24 hours. What flow rate (gpm) must the drainage system achieve to meet the design specification?

    asked by Nabil on March 31, 2012
  21. Government US

    The United States has two court systems, state and federal. The federal system a. has discretionary jurisdiction over all cases arising in the state system. c. is the only one based on the constitutional doctrine of the separation of powers. e. None of

    asked by HM on September 11, 2011
  22. Phsyics Plz Help

    How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical

    asked by Nasir on June 11, 2012
  23. chem

    I need help balancing this redox equation: H2O2 + Ni+2 --> H2O + Ni+3 in basic solution. Here's what I have so far: Ni+2 --> Ni+3 + 1e- H2O2 --> H2O I can't seem to make the second half-reaction balance. If you follow the rules for balancing basic redox

    asked by Chris on January 15, 2007
  24. Chemistry

    Show that the hydroxide-ion concentration in an aqueous solution is 1x10-4 M when the hydronium-ion concentration is 1x10-10 M.

    asked by Cami on May 10, 2011
  25. Math

    The owner of a large company is conducting a survey about job satisfaction, including questions about salary, hours, stress, and other conditions. There are about 800 employees in the company, including 100 executive positions, 650 middle-management

    asked by Fatima on August 7, 2012
  26. Math

    The denominator of a fraction exceeds the numerator by 7. If 3 is added to the numerator and 1 is subtracted from the denominator, the resulting fraction is equal to 4/5 . Find the original fraction. PLZ SHOW ALL WORK AND HURRY!!!

    asked by Nate on April 27, 2017
  27. Math

    The heights of four of the starting players on the basketball team are 183 cm, 178 cm, 174 cm, and 185 cm. If the mean height of all five starting player is 182 cm, what is the height of the fifth starting player? Show your work

    asked by Samay on October 21, 2017
  28. calculus

    given the following piecewise function x+11 for -9

    asked by confused--please help on December 12, 2012
  29. Algebra

    Write the equation of the line passing through the given point with the indicated slope. Give your results in slope-intercept form. Point: (0,5) Slope: m=-3/5 Show equation I will be happy to critique your work on this.

    asked by Linda on May 20, 2007
  30. math

    suppose she cut the cake in 2008 size pieces and six people ate all the pieces explain how they could have divided the pieces so that everyone ate the same amount of cake you may show your work in a drawing

    asked by Anonymous on February 2, 2014
  31. Science

    The first speed limits for cars were two miles per hour in a city and four miles per in the open country. How long would it take for a motorist to travel 15 miles assuming that he had to travel in the city. Please show work.

    asked by Jennifer on February 25, 2008
  32. Math

    Suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. Explain how they could have divided the pieces so that everyone ate the same amount of cake. Show work in a drawing

    asked by Kaylee on March 26, 2015
  33. Math

    Coach Coleman is ordering hats for this year's teams. There are 6 teams. Each team has 12 players on the roster. He orders 12 more hats for the team managers. How many hats does he order in all? Show your work.

    asked by Anonymous on October 23, 2013
  34. algebra

    HELP! Please Calvin invested $7500 for one year, part 12% annual interest and the rest at 10% annual interest. His total interest for the year was $890. How much money did he invest at 12%? Show work.

    asked by Briana on September 7, 2012
  35. Math

    How many total squares are there on a standard 8 by 8 checkerboard? (It is more than 64)! Make sure to show all your work and explain your reasoning. Explain how you can determine the number of total squares for any N by N board. Bonus: How many total

    asked by Ell on October 27, 2011
  36. geometry

    The diameter of circle C is 18 cm. is 60°. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use .) a) Find . Explain. b) Find . Explain. c) Find . Explain. d) Find the length L of . Show your

    asked by Anonymous on June 1, 2010
  37. College

    What is one strength you see in the current U.S. health care system? What is one weakness you see? List and describe one of the challenges facing the U.S. health care system.

    asked by Tony on November 4, 2010
  38. health administration

    What is one strength you see in the current U.S. health care system? What is one weakness you see? List and describe one of the challenges facing the U.S. health care system.

    asked by sasha on February 11, 2010
  39. Social Studies

    What did the Maya adopt from the Olmec? A. Calendar B.Slash-and-burn agriculture C.Pyramids D.Writing system I think it might be either the calendar or writing system

    asked by ^-^ on December 27, 2018
  40. Physics

    When a mass-spring system oscillates with a small amplitude of A1, it has a period of 1.0 s. If the system is then made to oscillate with a larger amplitude of A2 = 2*A1, what is the new period? Thanks!

    asked by Linda on December 7, 2010
  41. health

    What is one strength you see in the current U.S. health care system? What is one weakness you see? List and describe one of the challenges facing the U.S. health care system.

    asked by Lisa on May 13, 2008
  42. Science

    The potential energy of a system of two particles is given by u(x)=a/x2-b/x. Find minimum potential energy of the system, where x is the distance of separation and a, b are positive constants.

    asked by Afeera Ashfaq on December 22, 2017
  43. ethics

    if you have a certain amount of work to do each day, and you can complete that work AND spend an hour on a social networking site, then why not? Why don't offices let their employees use social networking sites if their work is done?

    asked by Anonymous on November 5, 2010
  44. ethics question 2

    if you have a certain amount of work to do each day, and you can complete that work AND spend an hour on a social networking site, then why not? Why don't offices let their employees use social networking sites if their work is done?

    asked by Anonymous on November 5, 2010
  45. Algebra 1 (Reiny)

    1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if they work together? A: Working together, Dustin and his sister can shovel

    asked by Victoria on June 3, 2014
  46. math

    Solve for: 1+cosx/sinx + sinx/1+cosx = 1 My teacher said no solution, but I don't know how he got that.

    asked by Anonymous on March 4, 2016
  47. math

    solve the equation log2(x+4)-log4x=2 the 2 and 4 are lower than the g This is what I got: log2(x+4)+log2(4^x)=2 log2((x+4)*4^x)=2 4^x(x+4)=4 x=0 is a solution???

    asked by anonymous on January 9, 2013
  48. chemistry

    A 2.500×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.3mL . The density of

    asked by Jason on May 24, 2015
  49. chemistry

    A 2.500×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.3mL . The density of

    asked by Jason on May 24, 2015
  50. algebra

    Two acid solutions are available to a chemist. One is 10% nitric acid solution, the other is 4% nitric acid solution. How much of each type of solution should be mixed together to form a 600 ml of a 6% nitric acid solution?

    asked by Ahna on September 17, 2014
  51. Math

    A scientist is mixing a chemical solution for an experiment. The solution contains 3/8 ounce of a chemical and 1/6 ounce saline solution. What is the unit rate of chemical to saline solution?

    asked by Ann on April 5, 2013
  52. alg.

    solve the system by addition: -5x-9y = -5 x+5y=-15 I've tried this one over and over, but I can't seem to get the right answer. I don't even really know where to start. each time i try to do it, i go about it a little differently and i'm completely lost,

    asked by j on August 14, 2007
  53. Math

    1.) Solve the system by graphing. You may use paper or a calculator. 2x - y = 8 x + 3y = 11 2.) The revenue for a certain brand of toothpaste is y = 2.5x where 'x' is the number of tubes of toothpaste sold and 'y' is the total income for selling 'x' tubes.

    asked by Rana on December 7, 2013
  54. us history

    What did the founders mean when the wrote ¨to form a more perfect union?¨ A) a military would be formed to protect against foreign threats. b) a court system would be formed to resolved disputes between citizens. c) a process will be created to solve

    asked by Ana on October 14, 2015
  55. Math Help!

    1.) Solve the system by graphing. You may use paper or a calculator. 2x - y = 8 x + 3y = 11 2.) The revenue for a certain brand of toothpaste is y = 2.5x where 'x' is the number of tubes of toothpaste sold and 'y' is the total income for selling 'x' tubes.

    asked by Rana on December 7, 2013
  56. Physics

    Power supplied to a particle of mass 2 Kg varies with time as p = 3t^2/2 watt. Here t is in seconds. If initial velocity = 0, find the velocity after 2s. Sorry for not proving my work. Frankly speaking I'm unable to solve any power questions. Any help

    asked by Mercury on November 7, 2014
  57. chemistry

    1 liter of a 1 M lithium hydroxide solution is added to 1 liter of a 1 M barium chloride solution, and a precipitate forms. What ions are left in solution after the reaction is complete? What ions are left in solution after the reaction is complete?

    asked by Elise on November 22, 2010
  58. Algebra

    A gardener combines x fluid ounces of a 20% liquid fertilizer and 80% water mix with y fluid ounces of a 5% liquid fertilizer and 95% water mix to make 30 fluid ounces of a 10% liquid fertilizer and 90% water mix. a. Write a system of linear equations that

    asked by Amie on January 16, 2013
  59. Chemistry

    A solution is labeled as ~8M NaOH. How many mL of this solution would be needed to prepare 750mL of a ~0.2M NaOH solution?

    asked by Katie on October 19, 2010
  60. science

    I have 20%solution ofH2So4,100litres. I want 40%solution of 200lit. How many liter mix solution ofH2So4 of 98%

    asked by prashant tripathi on July 9, 2016
  61. chemistry

    What would the predicted TSS value of a solution be if I combined one liter of 35 mg/L solution with one liter of 114 mg/L solution? Thanks for the help.

    asked by Glen on February 16, 2012
  62. Chemistry

    Titration of a 21.0mL solution of requires 11.0mL of 0.0350M solution. What is the molarity of the solution?

    asked by Heather on July 19, 2012
  63. Chemistry

    You need to make 40.00 ml of a 0.045M NaOH solution from a 2.1M stock solution. How many ml of the stock solution are needed?

    asked by Kailee on March 19, 2017
  64. Finance

    Can you show me how to solve these problems? PLEASE!!! I can't figure out how to solve these. :-( 1.Briarcrest Condiments is a spice-making firm. Recently, it developed a new process for producing spices. The process requires new machinery that would cost

    asked by Hopeless on August 23, 2013
  65. Mathematics

    A solution is mixed with a 12% acid solution to form a 16% acid solution. How many liters of the 20% acid solution are used to make 10 liters of the 16% acid solution?

    asked by Matthew on February 24, 2010
  66. math

    Calculus Question: Find the derivative of this function: g(x)=ln(ln(x+1))+e^(x^(3/2)+(x/3)) Teacher didn't show how to do a problem like this and my book doesn't show anything like it either. Any help with this will be greatly appreciated.

    asked by courtney on November 7, 2008
  67. chemistry

    If you were to dissolve 14.00 grams of salicylic acid in enough water to make 400.00 mL of solution, what is the molarity of the final solution? i did M = moles/L so .1014 mol/.4000L = .2535 M is this correct?? The next part of the question is Now you take

    asked by jake on September 6, 2009
  68. Chemistry

    Copper (I) chloride, CuCL, has Ksp = 1.9 x 10^ -7.calculate the molar solubility of CuCL in A)pure water, B)0.0200M HCl solution C) 0.200M HCl solution, and d) 0.150M CaCl2 solution. I used the ice table and for a) i got 0.000435 M sort of lost for the

    asked by priya on November 12, 2016
  69. Chemistry

    1) find the hydronium ion concentration, the hydroxide ion concentration and the pH of a 0.000001 M solution of NaOH. 2) which of salts hydrolyze in aqueous solution : (NH4)2S, Na2So3,(CH3COO)2Ca? Write the ionic equationss for the hydrolysis reacrions.

    asked by Alper on April 16, 2018
  70. math

    15 students took a science test. the average score was 88.0. later in the day a sixteenth student took the same test and scored a 92. the teacher recalculated the class average using all 16 of the scares. by how much will the class average have increased?

    asked by carol on April 10, 2013
  71. Please help me with Trig

    Given cos 67.5° = [√(2+√2)]/2, find tan 67.5° , simplify where needed, and show work. I'm starting to learn this stuff, and I'm so confused where to start. I know they gave me the coordinate X as in cos 67.5° = [√(2+√2)]/2, and I also know that

    asked by Jane on January 27, 2016
  72. Money and Banking

    Price of stock is 50.00 at the beginning of a year and 53.00 at the end of the year and it pays a dividend of 2.00 during the year calculate the stock's current yield,capital-gains yield,and the real return show work.

    asked by Pam on May 3, 2011
  73. Help math!!

    15 students took a science test. the average score was 88.0. later in the day a sixteenth student took the same test and scored a 92. the teacher recalculated the class average using all 16 of the scares. by how much will the class average have increased?

    asked by kelly on April 10, 2013
  74. math

    Iris is cutting fleece to make scarves for her friends. She has ten and one-half feet of fleece to make 3 scarves. How long can she make each scarf? Show your work, and include cancellation in your steps

    asked by cha on May 9, 2012
  75. mathq

    Please show me how to work this. A park has two walking paths shaped like right triangles. The first path has legs 75 yd and 100 yd long. the second path has legs 50 yd and 240 yd long. What is the total length of the shorter path, in yards?

    asked by Jane on March 5, 2012
  76. Algebra II

    You have a 12 gallon bucket filled with water, and empty 7 and 5 gallon buckets. Without using any other measuring devices, and without estimating a half-way point on the buckets, how can you equally divide 6 gallons of water into 2 of the buckets. PLEASE

    asked by MR on April 16, 2012
  77. chemistry

    Read the scenario. A scientist needs to dissolve a solid in a liquid as quickly and efficiently as possible. Which two methods should she use to get the desired result? heat the solution and use larger chunks of the substance heat and stir the solution

    asked by PLEASE help on September 13, 2017
  78. chemistry

    If you add a metal piece to excess acid, what of listed factors below will increase, decrease, or have no impact on how fast a reaction happens? a) lower molarity (concentration) of a solution b) higher molarity (concentration)of a solution c) increase

    asked by K on May 22, 2013
  79. algebra

    One number is 5 times another If the sum of their reciprocals is 2/15 find the two numbers Write a sentence that defines the variable you use and check your solution n is one number on it another number n= 5*on 1/n + 1/on= 2/15 1/5on + 1/on= 2/15 multiply

    asked by steve on June 24, 2007
  80. science

    Study the scenario. A wagon is moving while two horizontal forces are acting on it: 25 N to the right, and 5 N to the left. Use the vector addition rule to compute the net force acting on the wagon. 20 N to the right 100 N to the right 5 N to the left 30 N

    asked by dianni on January 7, 2019
  81. Physics

    I'm haivng troulbe proving the deriviation of this formula on my own... could you please help me derive the proof of the formula or maybe show me one thansk... I need to prove this formula period of a mass spring system in simple harmonic motion T = 2 pi

    asked by Kim on May 30, 2009
  82. Math

    Write and solve an equation to find the answer. From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was − 20 ° C. What was the temperature at midnight? Someone please help, I just need answers to help check my work I am not

    asked by Connections academy on May 20, 2019
  83. math

    A vector can be used to represent the path of a drill tip used to bore a deep mine shaft in Sudbury one quarter of the way to the centre of the Earth. Represent the vector using a directed line segment and Cartesian co-ordinates and describe which

    asked by anon on February 21, 2015
  84. Chemistry

    A student needs 1.0L of buffer solution with a PH =10.0 .She selects the HCO3^- >CO3^2- buffer system. The K(HCO3^-) =5.6x10^-11 . what is the [HCO3^-]/[CO3^2-]ratio for the buffer?

    asked by samson on October 23, 2011
  85. pre - CALCULUS

    The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 −

    asked by Ciara on April 9, 2015
  86. Algebra 2

    1)which of the following is equal to (2x/5 - 9)+9? a) 2x/5 b) 5x/2 c) 2x - 45/5 d) (2x - 9)+ 45 2)the equation y - 100x + 2000 can be used to represent the monthly salary of a salesman, y,when he sales x computer systems. What is the salesman's monthly

    asked by Enyce Mullins on October 18, 2017
  87. Chemistry

    1) What is the vapor pressure at 25°C of a solution of 1.20g ofnephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of pure benzene at 23°C is 86.0mmHg the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure lowering of

    asked by N comas on March 19, 2013
  88. linear differential algebra

    SOLVE THE SYSTEM (2D+3)(x)-(D+3)(y) = 5 (D+1)(x) - (2D+5)(y) = 7+4t STEPS 1) eliminate x by mulitplying equation 1 with -(D+1) and equation 2 with -(2D+3) After multiplying, what exactly happens to the D and t on the right side? Does it become Dt or 0?

    asked by Porsche on November 12, 2018
  89. CHEMISTRY 122

    The spectrophotometer was used to measure the abosrbance of each of a series of [FeSal]+ solutions. A standard curve was constructed by plotting the absorbance vs. concentration (M). The slope and y-intercept were found to be 1517 M-1 and 0.001,

    asked by Julie on April 1, 2018
  90. CHEMISTRY 122

    The spectrophotometer was used to measure the abosrbance of each of a series of [FeSal]+ solutions. A standard curve was constructed by plotting the absorbance vs. concentration (M). The slope and y-intercept were found to be 1517 M-1 and 0.001,

    asked by Julie on March 29, 2018
  91. Genetics

    1. Why are we using more dilute cultures for the killing curve while we are using the arg selection culture at full strength? 2.How would you find the arg+ mutants on the killing curve plates? 3. when designing a protocol to produce auxotrophs for

    asked by Mae on March 31, 2007
  92. physics

    Four objects are held in position at the corners of a rectangle by light rods . m1 2.90(kg) m2 1.90(kg) m3 4.50(kg) m41.90 (kg) (a) Find the moment of inertia of the system about the x-axis. Answer in kg · m2 (b) Find the moment of inertia of the system

    asked by Allie on October 26, 2011
  93. math

    The organizer of a television show must select five people to participate in the show. The participants will be selected from a list of 24 people who have written in to the show. If the participants are selected randomly, what is the probability that the 5

    asked by Marli on March 16, 2015
  94. statistics

    the organizer of a television show must select 5 people to partipate in the show. the participants will be selected from a list of 30 people who have written in to the show. if the participants are selected randomly, what is the probability that the 5

    asked by ann on April 21, 2011
  95. Chemistry- HWK CHECK

    1. A solution in which no more solid can be dissoved is referred to as ____. Answer: saturated 2.At constant pressure, heat can be referred to as (entropy, enthalpy, or free energy). Answer: enthalpy The measure of disorder or randomness of a system

    asked by Blair on August 4, 2008
  96. Chemistry

    SHOW WORK A cylinder contains 98g of air at 295K. The pressure in the cylinder is 174psi. If 32g of air are allowed to escape and the cylinder is heated to 335K, what is the new pressure?

    asked by Caitlyn on December 4, 2013
  97. Customary units

    A sculptor has a 3lb block of clay he adds 24 oz of clay to the block in order to make a sculptor. What is the total weight of the clay before he stars to sculp. (Have to show work)

    asked by Car on December 9, 2013
  98. calculus

    I have two questions please. 1. find an equation for the line with the given properties. Express in slope-inntercept form. 2. find the equation of a line that is perpendicular to the line y=1/2x+4 and contains the point (-3,0) please show work

    asked by spazed out on December 9, 2012
  99. calculus

    I have two questions please. 1. find an equation for the line with the given properties. Express in slope-inntercept form. 2. find the equation of a line that is perpendicular to the line y=1/2x+4 and contains the point (-3,0) please show work

    asked by spazed out on December 9, 2012
  100. math

    51.A sequence t is defined where the first term is –4. Each successive term is 3 more than the term before it. (a)Write an explicit formula for the sequence t. (b)A second function is defined as s(n) = 2 + 2n. Compare the rates of change of t(n) and

    asked by kim on January 2, 2014

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