1. physics

    As a woman walks, her entire weight is momentarily supported on the heel of one shoe. Calculate the pressure exerted on the floor by a high-heel shoe worn by a 50-kg woman if the heel has an area of 2.0cm^2. Express the pressure in newtons per square meter

    asked by mNoellb on February 19, 2011
  2. Math

    Hi could you please check my answers? Find the lateral of the square pyramid (I don't have a picture so I'll describe the figure) the square base is 8m around each side of the square and the slant height is 22m, my answer is 352 cm^2. Am I correct? Plz and

    asked by Anonymous :D on May 10, 2016
  3. physics

    A hydraulic press has an input cylinder 1 m in diameter and an output cylinder 2 meters in diameter. Assuming 100% efficiency, find the force exerted by the output piston when a force of 10 Newtons is applied to the input piston. pounds If the input piston

    asked by Anonymous on April 1, 2012
  4. statistics

    A basketball player has a 76% chance of making a free throw. What is the probability of her making 104 or more free throws in 119 trials? Round your standard normal variable to two decimal places before using the table of values.

    asked by br0Ok3 on October 15, 2010
  5. Physics

    A basketball player shot a ball. It left his hand at a height of 2.05 m above the court at an angle of 40 degrees relative to horizontal, what initial speed did the ball have if it hit "nothing but net" at the basket 4.50 m away? Assume the rim is 3.05 m

    asked by Chelsea on September 18, 2014
  6. Physics

    In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 3.9 m/s at an angle of 25 degrees above the horizontal. It is released 0.75 m above the floor. What horizontal distance does the ball cover

    asked by Abby on February 16, 2010
  7. science-gas laws

    I got 2 questions for ya: 1. Calculate the new pressure of an oxygen tank at 127o C if the tank had 2200 psig at room temperature (22o C)? I used Gay Lussac's law. Here's my work: P1= 2200psi P2= X T1= 295K T2= 400K (2200x295)400= X I got 2983psi Is that

    asked by abby on August 28, 2007
  8. chemistry

    Two solutions are prepared. In Solution A, 5.0 g of a substance of molecular weight 50 is dissolved in 100 mL of pure water. In Solution B, 5.0 g of a substance with molecular weight of 75 is dissolved in 100 mL of pure water. The solute is non volatile

    asked by Anonymous on February 25, 2009
  9. Pre-Calc

    A vehicle has an engine that is connected directly to a gear box. In the highest gear, a 2 inch radius gear is turning a 14 inch diameter gear. This gear is connected to the drive shaft. The drive shaft attaches to a wheel and a tire that measures 2 and

    asked by Caitlynn on September 13, 2016
  10. algebra

    Thank for the answer to the problem: the perimeter of a basketball court is 108 meters and length is 6 mters longer than twice the width. You gave me the width, but not the length. What is the length?

    asked by John on September 21, 2013
  11. elementary statistics

    at a particular school with 200 male students, 58 play football 40 plays basketball and 8 plays both. what is the probablity that a randomly selected male student plays neither

    asked by dorothy on October 10, 2011
  12. math

    At the end of an basketball game daniels couch told him he scored 20% of all of his teams points. If Daniel scored 19 points exactly how many points did his team score?

    asked by Justin on April 7, 2011
  13. math

    If a basketball player consistently shoots 80% from the free throw line and she takes 25 free throw shots throughout the course of a game, how many free throws can she be expected to make?

    asked by joyce on April 27, 2013
  14. science (6th grade)

    an athlete drinks a liter of water before a basketball game and continues to drink water during the game,describe how the athletes body is able to maintain homeostasis during the course of the game?

    asked by scooby on October 23, 2011
  15. math

    In a basketball free-throw contest held at the high school, Rudy made 4 out 5 free throws. At this rate, how many free throws could he expect to make in 25 tries?

    asked by raymond on January 25, 2012
  16. ALGEBRA

    If a pro basketball player has a vertical leap of about 35 inches what is his hang-time? Use the hang-time function V=48T^2. Thank you I did mess up the typing last time didn't I?

    asked by aimee on May 4, 2009
  17. Physics - Please Help!

    I really need help on these questions because I have a test tomorrow and don't understand how to do them. 1) A wire of diameter 0.6mm is placed in the path of light coming from a laser. Light diffracts around both sides of the wire; the diffracted waves

    asked by Alex on June 10, 2008
  18. chemistry

    Hi, I posted this question earlier but still need some help: 1.3188g of antacid is weighed and mixed with 75.00mL of excess 0.1746 M HCl. The excess acid required 27.20 mL of 0.09767 M NaOH for back titration. Calculate the neutralizing power of the

    asked by Serenity on October 5, 2010
  19. chemistry

    an aqueous solution solution of sodium borate is sometimes used to to fire-proof wood. a. what is the molarity of 2.50 L of solution that contains 1.85 moles of sodium borate? b. what is the molarity of 45.0 L of solution that contains 6.78 kg of sodium

    asked by Jessica on April 7, 2013
  20. Physics

    When you push down on the handle of a bicycle pump, a piston in the pump cylinder compresses the air inside the cylinder. When the pressure in the cylinder is greater than the pressure inside the inner tube to which the pump is attached, air begins to flow

    asked by Anon on October 15, 2013
  21. Spanish

    Whose team won the national basketball championship in 1995? a. Sammy Sosa’s team b. Lorena Ochoa Reyes’ team c. Rebecca Rose Lobo-Rushin’s team*** d. Alfonso Soriano’s team

    asked by Kaai97 on January 14, 2016
  22. Chemistry

    Good morning. I need help solving 2 problems for chemistry. For #1 I need someone to check my work and tell me if I did it wrong and show me how and where I went wrong. And for #2 I need someone to help me figure out how to solve it and explain. 1. With

    asked by Samantha on November 26, 2017
  23. general chemistry

    Calculate the molar mass that would be obtained from the actual experimental data under the following conditions. The unknown is methyl propyl ether (CH3OC3H7) which has a vapor pressure of 375.2 torr at room temperature, 20C. The volume of the flask is

    asked by cinderrrr on November 22, 2011
  24. One more Chem

    One more A helium balloon has a volume of 2.30 L at 23.5 deg C and a pressure of 1.00 atm at sea level. the ballon is released and floats upward. At a certain height the atmospheric pressure is 0.810 atm and the temp is 12. C. What is the volume of the

    asked by Jill on July 17, 2007
  25. General Chemistry II

    The equillibrium constant (Kp) for the interconversion of PCl5 and PCl3 is 0.0121: PCl5(g) --> PCl3(g) + Cl2(g) A vessel is charged with PCl5, giving a initial pressure of 0.123 atm. At equillibrium, the partial pressure of PCl3 is _____ atm.

    asked by Rosi on January 28, 2012
  26. Chemistry

    A compressed gas cylinder contains 1.00 103 g of argon gas. The pressure inside the cylinder is 2096 psi (pounds per square inch) at a temperature of 19°C. How much gas remains in the cylinder if the pressure is decreased to 656 psi at a temperature of

    asked by Elizabeth on February 9, 2012
  27. Calculus 2

    The pressure P of a gas is related to its volume V by the formula P=k/V where k is a constant. A quantity of gas with an initial volume of 1 cubic meter and a pressure of 2.5 newtons per square meter expands to a volume of 16 cubic meters. Find the work

    asked by Heather on November 7, 2012
  28. physics

    An angry student (upset over his mid-term mark) throws an orange at his TA. The orange (m = 160 g) hits the TA in the head and comes to rest in 0.06s. If the skull can undertake a force of 1100N before the brain is damaged, how fast must the orange be

    asked by Marcela on April 9, 2014
  29. finite math

    8. Among 38-43 year old, 25% say they have written an editorial letter while under the influence of peer pressure. Suppose two 38-43 year old are selected at random. (a )what is the probability that at least one has not written under the influence of peer

    asked by carol on June 17, 2014
  30. finite math

    Among 38-43 year old, 25% say they have written an editorial letter while under the influence of peer pressure. Suppose two 38-43 year old are selected at random. (a )what is the probability that at least one has not written under the influence of peer

    asked by carol on June 18, 2014
  31. math

    Tom plays basketball. In the past 12 games, Tom has scored 24 or more points 4 times. If this trend continues, what is the probability that Tom will score 24 or more times in tonight's game?

    asked by zion on January 23, 2014
  32. Math

    Mike, Mo, and Jo want to sit together, in any order, to watch the basketball game with their 3 other friends. The other friends don't care where they sit. How many ways can this group sit along a bench? I did: (3!)(3!)(4)=144. Would this be correct?

    asked by Anonymous on January 17, 2018
  33. geometry

    A total solar eclipse occurs when the moon passes between the earth and the sun, and the darkest shadow cast by the moon, called the umbra, hits the surface of the earth. If the umbra does not hit the surface, as shown in the following figure, then a total

    asked by Terri on November 6, 2014
  34. Chemistry (volume of gas)

    A sample of argon at 2.0 atm pressure is heated until its temperature is raised from 60 °C to 90 °C. The pressure of the gas at this temperature is 3.0 atm and the volume is 4.4 L. What was the initial volume of the gas?

    asked by Summer on March 15, 2018
  35. cdemistry

    A sample of gas collected at 21.0 oC and a pressure of 660.0 torr has a volume of 1.83 liters. What volume in liters will the gas occupy at 38.0 oC under a pressure of 500.0 torr?

    asked by sheshe on March 4, 2011
  36. chemistry

    A scuba diver takes a 2.8 L balloon from the surface where the pressure is 1.00 atm and the temperature is 34.0 °C to a depth of 25 m, where the pressure is 3.5 atm and the temperature is 18.0 °C. What is the volume of the balloon at this depth?

    asked by Anonymous on December 5, 2011
  37. chemistry

    A scuba diver takes a 2.3 L balloon from the surface, where the pressure is 0.90 atm and the temperature is 28 ∘C, to a depth of 20 m , where the pressure is 3.0 atm and the temperature is 15 ∘C. What is the volume of the balloon at this depth?

    asked by Jacky on April 17, 2019
  38. Science

    Volume of a gas at 27degree centigrade and 760mm pressure is 200cm cube then find the volume of same gas at -3degree centigrade and 760mm pressure

    asked by Neeraj on February 2, 2018
  39. College Chemistry

    Calculate the vapor pressure of a solution of 0.39 mol of cholesterol in 5.4 mol of toluene at 32oC. Pure toluene has a vapor pressure of 41 torr at 32oC.

    asked by Molly on November 19, 2010
  40. Chemistry

    According to the second law of thermodynmics..a) cold moves to hot B) low pressure moves to high pressure C) wet moves to dry D) dry moves to wet

    asked by L.Bianchessi on February 21, 2012
  41. chemistry

    A sample of helium at 20 °C occupies a volume of 3.63 L at a pressure of 3.07 atm. What volume does this helium sample occupy if the pressure is reduced to 2.43 atm while maintaining the temperature at 20 °C?

    asked by Michelle on April 23, 2014
  42. Chem

    A solution is prepared by adding 1.50 mol glucose to 3.50 mol water. What is the vapor pressure of the solution at 25 oC given that the vapor pressure of pure water is 23.8 torr?

    asked by James on January 27, 2016
  43. Chemistry

    A scuba diver 60ft below the ocean’s surface inhales 50.0 mL of compressed air from a scuba tank with an initial pressure of 3.00 atm and temp of 8 degrees Celsius. What is final pressure, in atmospheres, in the lungs when the gas expands to 150.0 mL at

    asked by Nastasha on May 7, 2015
  44. P.s.176

    Marine practiced her basketball dribbling. After two weeks she had bounced the ball 88 times.on the second try she had 2 fewer bounces than eight times the number of bounces she had on the first try. How many bounces did she have on the second try?

    asked by Shaunte on November 22, 2015
  45. stats

    A particular college basketball player is a 80% free throw shooter. In a game, he took 20 free throws. Find the probability he made 18 or more of his free throws.

    asked by mike on May 5, 2011
  46. Maths

    Jack has scored 94 points in the last six basketball games. If he earns two points per basket, how many baskets at all must he shoot in the next six games for her average points per game to be 16?

    asked by Laila on November 6, 2016
  47. Maths

    Mona has scored 94 points in the last six basketball games. If she earns two points per basket, how many baskets at all must she shoot in the next six games for her average points per game to be 16?

    asked by Anonymous on October 23, 2016
  48. physics

    A 1000 kg car is travelling on the highway at a constant speed of 110 km/h. The highway makes a turn that is banked at an angle of 10o and has a radius of 160 m. What is the coefficient of friction between the car tires and the pavement in the curve?

    asked by myra on April 25, 2012
  49. math

    In gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible combinations. What

    asked by charlie on February 2, 2011
  50. math

    The cost of tuition at Johnson Community College is $ 160 per credit hour. Each student also has to pay $100 in fees. Write an equation that shows the relationship between the total cost, C, and the number of credit hours taken, x.

    asked by Michelle on May 27, 2010
  51. ENGLISH

    IN WHICH OF THE FOLLOWING SENTENCES IS THE POSSESIVE USED CORRECTLY? A. The boy's basketball team plays every Friday, but the girls play every other Thursday. B.Their's is the first bus to arrive at school every morning. C. The childrens' activity period

    asked by shayla on August 6, 2008
  52. Chemistry

    Consider this real reaction, and answer the questions based on it: TiO2 (s) + HCl (aq) ==> H2O (l) + TiCl4 (aq) 1) Based on this balanced equation, if the amounts used are 3 mol TiO2 and 5 mol HCl, Which one is the limiting reactant? 2) How many moles of

    asked by Janelle on April 19, 2015
  53. Organic Chemistry 1

    Consider the HF solution with the concentration of 5%(w/v). You can convert the % concentration into the molarity. a) Assume that you have 100ml of this solution. Determine the number of moles of HF if the concentration of HF is given as 5%(w/v) For this

    asked by Zaza to DrBodd22 on October 27, 2016
  54. Math

    a store sells sweaters for $40 each and jeans for $20 maria buys 5 pieces of clothing ( some jeams and some sweaters ) and pays $160, how many sweaters and how many jeans does she buy

    asked by M on January 15, 2015
  55. Chemistry

    At 2000°C the equilibrium constant for the reaction is Kc = 2.4 ✕ 103. 2 NO(g) equilibrium reaction arrow N2(g) + O2(g) If the initial concentration of NO is 0.160 M, what are the equilibrium concentrations of NO, N2, and O2? I do not even know how

    asked by Ariana on November 28, 2014
  56. vectors and physics

    A 40 kg weight is suspended at P which is held up By the ropes PQ and PR the ropes make angles at 160 degrees and 130 degrees respectively with the vertical, find the tension in the ropes

    asked by confused on April 13, 2011
  57. SCIENCE

    A colony of bacteria is made up of (5) cells. Asuuming that no cells die and that every cell divides, how many cells will there be in the colony after four divisions? a 20 b 80 c 160 d 625 I'm thinking its b.

    asked by Anonymous on June 2, 2010
  58. chemistry

    Predict the effect of each of the following on the indicated equilibrium system in terms of which reaction will be favored (forward, reverse, or neither) H2(g)+Cl2(g)2HCl(g) +184 kJ A)addition of Cl2 B)removal of HCl C)increased pressure D)decreased

    asked by Kristy on May 23, 2007
  59. chem again

    Use Charles Law to solve for the missing value of each of the following a) 80.0 mL, T1= 27 degrees C, T2=77 degrees C. V2 =? b)V1= 125 L, V2=85.0L T2=127degrees C T1=? c) T1=-33degrees C V2=54.0mL, T2=160.0 degrees C V1=? can somebody help me with atleast

    asked by jerson on April 27, 2008
  60. chemistry

    To 160.0 mL of a buffer solution containing 0.250 M ammonia and 0.100 M ammonium chloride, 20.00 mL of 1.00M HClO4 are added. a) Calculate the pH of the new solution. b) What becomes the pH if another 20.00 mL of the same acid solution is added?

    asked by faizer on February 15, 2013
  61. Math

    being healthy eaters, partridges know that pears contain 30% more potassium than apples. If an apple offers 160 mg. of potassium, and Pete eats 6 pears, how many milligrams of potassium will he consume?

    asked by Todd Freeman on December 30, 2015
  62. Math

    Does linear growth have to add the exact same amount, so a constant amount each time such as 500, 500, 500, etc, or does it just have to be close, such as 125, 137, 145, 160, etc?

    asked by Sami on February 4, 2016
  63. math

    On Saturday, Alberto filled his right rear tire with air at the gas station around the block from where he lives. Three days later the tire pressure in that tire measured 26 psi (pounds per square inch). On the following Saturday, one week after he had

    asked by Jeffery on August 7, 2014
  64. English

    Are the following all called "shoes"? sneakers, football shoes, slippers, tennis shoes, sports shoes, basketball shoes

    asked by rfvv on June 24, 2018
  65. College Chem

    Oxygen gas has a Henry's law constant of 1.66*10^-6 M/mm Hg at 40 degree C when dissolving in water. If the total pressure of gass (O2 gas plus water vapor) over water is 1.0 atm, what is the concentration of O2 in the water in grams per milliliter?

    asked by Kimmy on October 15, 2013
  66. bussiness math

    A local Wal-Mart sells sweatpants ($7) and jackets ($14). If total sales were $6,160 and customers bought 8 times as many sweatpants as jackets, what would be the number of jackets sold?

    asked by Anonymous on October 10, 2011
  67. physics

    Add the following vectors: 440 N at 100 degrees 905 N at 160 degrees A.1187.7 N at 128.7 degrees B.1010.4 N at 48.2 degrees C.1345 N at 130 degrees D.1013.5 N at 149 degrees

    asked by kat on September 20, 2015
  68. Math

    The Wildcats basketball team scored 18 points in the first half of the game. All the points came from either 2 or 3 point baskets. If a total of 8 shots were made ( some two pointers and some three points), how many of each type of shot were made?

    asked by Christine on September 3, 2015
  69. Fluid Mechanics

    An ideal mixing (total volume inlet = total volume outlet) of two incompressible fluids which is between water and methanol (SG =0.85) is coming from two inlets. At inlet 1, water enter at 9 m/s and at inlet 2, methanol enter at 7 m/s. The diameter of

    asked by Farah on November 1, 2014
  70. Chemistry;HELP

    1. What volume will a sample of hydrogen occupy at 128.0 oC if the gas occupies a volume of 2.23 dm3 at a temperature of 0.0 oC? Assume that the pressure remains constant. (remember to change to Kelvin). 2. If a gas occupies 1733 cm3 at 10.0 oC, at what

    asked by Unknown on August 20, 2013
  71. arithmetic

    List the terms that complete a possible pattern in each of the following and state whether the pattern is arithmetic, geometric, or neither: (a) 38, 33, 28, 23, 18, … (b) 640, 320, 160, 80, … (e) 1, ___, ___, ___ 25, 36, 49

    asked by judy on July 13, 2011
  72. physics

    Suppose a person weighs 160 pounds on Earth. How much would that person weigh on a planet that was three times as massive as Earth and had a radius that was twice that of Earth's?

    asked by Ruth on September 29, 2011
  73. Find the common difference or ratio in each..?

    Find the common difference or ratio in each sequence. Write an algebraic expression for the sequence and find the next three terms. 6. 160, 40, 10, 2.5... 8. -1, 2, -4, 8.... Can you help me find the answers?

    asked by nonononono on June 5, 2014
  74. algebra

    Find the common difference or ratio in each sequence. Write an algebraic expression for the sequence and find the next three terms. 6. 160, 40, 10, 2.5... 8. -1, 2, -4, 8.... Can you help me find the answers?

    asked by nonononono on June 5, 2014
  75. math

    List the terms that complete a possible pattern in each of the following and state whether the pattern is arithmetic, geometric, or neither: (a) 38, 33, 28, 23, 18, … (b) 640, 320, 160, 80, … (e) 1, ___, ___, ___ 25, 36, 49

    asked by judy on July 14, 2011
  76. Math

    Write a possible explicit rule for the nth term of the sequence, then use it to find the 20th term. 5, -10, 20, -40, 80, -160.... Ans: a(n) = 5(-2)^n - 1 20th term: -2621440

    asked by Anonymous on June 2, 2015
  77. maths

    P, Q and R are points in the same horizontal plan. The bearing Q from P is 160 degrees and bearing of R from 050 degrees. If /PQ/= 6m and /QR/= 4m, find the /PR/ and bearing of R from P, correct to the nearest degree

    asked by phoebe on April 24, 2019
  78. english

    What is the indirect object and what is the direct object. Troy showed the class his good grade on the test. Also Lacey bought a new scarf for Nicole's birthday present. Also Lucas plays basketball for his team. Also Cameron passed James the hockey puck.

    asked by cristy on February 7, 2010
  79. PHYSICS

    Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 17 cm . You take the balloon in an airplane, where the pressure is 0.89 atm. If the temperature is unchanged, what's the balloon's new radius?

    asked by lizbeth on March 31, 2016
  80. Chemistry 101

    You have a sample of gas in a flask with a volume of 250 mL. At 25.5 degrees Celcius, the pressure of the gas is 300 mm Hg. If you decrease the temperture to -5.0 degrees celcius, what is the gas pressure at this lower temperture?

    asked by Eunice on April 30, 2009
  81. CHEM

    Calculate the vapor pressure at 25 C of hexane above the solution. The vapor pressure of pure hexane at 25 C is 151 torr. A solution contains naphthalene ({\rm{C}}_{10} {\rm{H}}_8) dissolved in hexane ({\rm{C}}_6 {\rm{H}}_{14}) at a concentration of 12.17

    asked by AMI on June 5, 2010
  82. science

    a mixture of gases contains 64g of methane, 64g of oxygen and 64g of sulphur dioxide. The pressure of the mixture is 210 kpa. what is the partial pressure (in kpa) of the methane expected to be?

    asked by olaitan daviesstunt on July 31, 2014
  83. Chemistry

    A sealed container comtains 1.50 mol of nitrogen gas, 2.00 mol of oxygen gas and 3.50 mol of argon gas. If the total pressure is 900 kPa, what is the pressure of the nitrogen gas?

    asked by Sandy on January 18, 2015
  84. Math

    What are the coordinates of the point labeled A? h ttp s:/ /www .connexus.com/content/chrome/online/lessonViewer.aspx?header=tru e&idCourse=75 160&id Unit=74116&idLesson=786493&page=1&idWebuser=1 6233 03&idSectio n=1273986& self=Tr ue&menu=

    asked by Connexus Studen! ^W^ on March 31, 2019
  85. Chemistry

    It takes 32 seconds for a certain number of moles of H2 to effuse through a leak in a tank. An unknown gas was later places under the same conditions; it took 1:39 for the same number of moles to effuse. Find the molecular mass of the gas. I set it up like

    asked by John on January 7, 2007
  86. Math

    The flask consist of a cylindrical part and a frustum of a cone. The diameter of the base is 10 cm the diameter is 2 cm while that of neck is 2 cm. The vertical height of the flask is 12 cm. (a) the slant height of the frustum part; (b) the slant height of

    asked by K on April 3, 2018
  87. Chemistry

    A balloon containing 0.600 mole of SO2 gas has a volume of 275 mL at a certain temperature and pressure. What volume, in milliliters, would a 0.765 mole sample of SO2 gas occupy at the same temperature and pressure conditions?

    asked by Mindy on July 28, 2015
  88. Chemistry

    Calculate how many grams of sodium azide (NaN3) are needed to inflate a 25.0 × 25.0 × 20.0 cm bag to a pressure of 1.25 atm at a temperature of 20.0°C. How much sodium azide is needed if the air bag must produce the same pressure at 10.0°C? 20.0°C:

    asked by Onye on March 4, 2018
  89. physics

    A rigid container holds hydrogen gas at a pressure of 3.0 atm and a temperature of 20 degrees Celsius. What will the pressure be if the temperature is lowered to -33 degrees Celsius? Please give your final answer in atm. Answer

    asked by deena on March 8, 2013
  90. CRC

    A sample of ideal gas is in a sealed container. The pressure of the gas is 675torr , and the temperature is 28\, ^{\circ}C . If the temperature changes to 91\, ^{\circ}C with no change in volume or amount of gas, what is the new pressure, P_2, of the gas

    asked by Touch on April 28, 2013
  91. Chemistry

    These are the answers I got for the following problems - am I right? 1) How many grams of water, H2O, and propene, C3H6, can be formed from the reaction of 6.0 g of 2-propanol, C3H8O? C3H8O ----> C3H6 + H2O 1.8g H2O and 4.2g C3H6 2) How many moles of

    asked by Mary on November 29, 2009
  92. chemistry

    The vapor pressure of pure water at 70°C is 231 mm Hg. What is the vapor pressure depression of a solution of 115 g of the antifreeze ethylene glycol, C2H6O2, a nonvolatile compound, in 205 g of water? Use molar masses with at least as many significant

    asked by Brad on December 12, 2012
  93. chemistry

    the vapor pressure of carbon sulfide is 355.6 torr at 25 degrees Celsius. what is the vapor pressure of a solution prepared by dissolving 12.52 g naphthalene (C10H8, 128.2 g/mol) in 125.0 mL CS2 liquid (76.14 g/mol, 1.261 g/mL)? Assume the solution obeys

    asked by alexis on March 4, 2015
  94. science

    water flows steadily through a horizontal pipe of non uniform cross section. if the pressure of water is 4*10^4 N/m^2 at a point where the velocity of flow is 2ms^-1 and cross section is 0.02 m^2 what is the pressure at a point where cross section reduces

    asked by Anonymous on August 28, 2013
  95. Chemistry

    Calculate the pH of the the solution that results from titrating 50 mL of 0.6 M HCN(aq) with 0.2 M NaOH At 0.00 mL of NaOH At 85 mL of NaOH. At 150 mL NaOH. At 160 mL of NaOH

    asked by Carl on March 12, 2015
  96. chemistry

    a 1.009g mixture of the solid salts Na2SO4 and forms an aqueous solution with the precipitation of PbSO4. The precipitate was filtered and dried and its mass was determined to be .471 g. the limiting reactant was determined to be Na2SO4. Write the

    asked by Ann on March 23, 2010
  97. math

    Marnie practiced her basketball dribbling. After two tries she had bounced the ball 88 times. On the second try she had 2 fewer bounces than 8 times the number of bounces she had on the first try.How many bounces did she have on the second Try

    asked by shekinah on April 22, 2014
  98. math

    The basketball coach wants to know the perimeter of the court. The area of the court is 4700 feet2. What is the perimeter? The long side of the court is 94 feet.

    asked by Christine on March 18, 2010
  99. Algebra

    A basketball team has 12 more games to play. They have won 25 of the 36 games they have played. How many more games must they play in order to finish with a 0.750 record?

    asked by Macy on August 10, 2010
  100. Math

    3. The stem-and-leaf plot below could NOT represent which of the following? 1 l 1 2 2 7 7 2 l 4 4 7 3 l 3 5 6 8 9 Key: 3 l 5= 3.5 A. The average number inches of rain in June B. The height of plant seedlings, in inches*** C. The weight oh phonebooks, in

    asked by Embershy on November 22, 2016