1. intro to chemistry

    A sample of nitrogen has a volume of 50.0L at a pressure of 760mmHg. What is the volume of the gas at each of the following pressures if there is no change in temperature? A. 1500mmHg B. 2.0atm C. 0.500atm

    asked by david on October 11, 2010
  2. math

    A rectangular prism has a volume of 162 cubic centimeters. If the length, width, and height are reduced to 1/3 of their original size what will the new volume be

    asked by john on December 11, 2016
  3. Chemistry

    where in the atom would you put a region of fixed small volume if you wished to maximize the chance o finding the electron inside the volume?

    asked by Becca on April 25, 2011
  4. science

    1. a stream of water will bend toward a balloon that has been rubbed on a sweater to generate static charge. Which property of water is responsible for this behavior? A. THE polarity of the water molecule b. the ability of water to form hydrogen bonds with

    asked by oto on September 8, 2016
  5. Bioanalytical Chemistry

    Two proteins are separated by capillary electrophoresis. The two proteins have the following physical characteristics: Protein A: net charge = +6; MW = 64,500; partial specific volume = 0.700 cm3 / g Protein B: net charge = +3; MW = 35,000; partial

    asked by Michael on October 27, 2009
  6. math

    What is one half of the volume of a rectanglar prism if the volume is 20.625

    asked by kz on February 16, 2011
  7. Math

    A triangular prism has a volume of 92 in.³ if all dimensions are multiplied by 1.6 what is the new volume?

    asked by Holly on April 6, 2014
  8. physics

    How do i determine the volume displaced when given mass and volume of an object.

    asked by Cory on February 24, 2010
  9. chemistry

    calculate the volume of o2 and volume al needs photon combison on 18 kg at carbon

    asked by vk on July 11, 2014
  10. calculus

    The USPS will not mail a package if the sum of its length and its girth (measuring around the package) exceed 108 inches. Determine: (a) The volume of the package as a function of its radius r. (b) For which radius r is the volume of the package a maximum?

    asked by Anonymous on March 19, 2011
  11. chemistry

    Situation: You have 100ml of isotopically labelled water 3H2o. That is, the water is made with the radioactive isotope of hydrogen, tritium, 3H. Compounds that contain radioactive isotopes are called "hot." You pour this 100 mL of "hot" water into the

    asked by Lila on October 18, 2014
  12. PHYSICS

    The pressure and volume of an ideal monatomic gas change from A to B to C. From A to B, volume remains 0.400 and pressure rises to 4.00x10^5. From B to C, volume changes from 0.400 to 0.200 while pressure remains the same. There is a curved line between A

    asked by Coffee on December 1, 2015
  13. Chemistry

    If 0.823g of an unknown gas occupies a volume of 702.0 mL at 38.9 deg. Celsius, and 726.2 mm Hg pressure, what is the molar mass of the gas? (pressure has already been corrected for water vapor pressure)

    asked by Carla on April 17, 2011
  14. Chemistry

    If 1 mol L of 2.0 mol L hydrochloric acid is diluted to form a solution with concentration 0.2 mol L, A. What is the final volume? B. how much water must be added to the original acid? Use C1V1= C2V2, thanks in advance

    asked by Jiskhaa on May 12, 2013
  15. PHYSICS!

    An ore sample weighs 15.00 N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in the cord is 9.00 N. Find the total volume and the density of the sample.

    asked by Happinessdelight on June 4, 2017
  16. science

    g) Use the substances given in table 1 to calculate the volume of 270 g of aluminum. The densities of substances given: glycerol (substance a) = 0.97 g/mL isoprop (substance b) = 1.20 g/mL water (substance c) = 0.85 g/mL How would i know what the mass is?

    asked by becca on September 29, 2009
  17. statistics

    14. Total plasma volume is important in determining the required plasma component in blood replacement theory for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that sample of

    asked by Anonymous on December 19, 2010
  18. English

    I urgently need you to check these sentences. Thank you very much for helping me. I don't know a few technical terms. 1) I can see two young men who are probably (working??) on the Stock Exchange. The one in the left-hand side of the picture is analyzing

    asked by Henry2 on January 18, 2012
  19. Chemistry

    Methanol is an organic solvent and is also used as fuel in some automobile engines. From the following data, calculate the standard enthalpy of formation of methanol. 2CH3OH + 3O2 --> 2CO2 + 4H2O, (delta H = -1452.8 kJ/mol

    asked by Gabby on November 8, 2012
  20. trig

    An automobile windshield washer 10inches long rotates an angle of 60degrres. If the rubber part of the blade only covers the last 9inches of the wiped, find the area of the windshield cleaned by the wiper.

    asked by ALISON on September 18, 2011
  21. Physics

    A human has a reasonable chance of surviving an automobile crash if the body's deceleration is no more than 30 "g's". (1 "g" is 9.8 m/s^2) Calculate the force the body would have withstand decelerating at this rate. What is the distance travelled if the

    asked by Anonymous on November 9, 2007
  22. Physics 12

    A human has a reasonable chance of surviving an automobile crash is the body's deceleration is no more than 30 "g's". (1 "g" is 9.8 m/s^2) Calculate the force the body would have withstand decelerating at this rate. What is the distance travelled if the

    asked by Anonymous on November 9, 2007
  23. chemistry

    You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. Using 3 -4 sentences explain how the vapor pressure of water in the first jar compares with

    asked by emily on April 6, 2016
  24. Algebra 2

    Find the A) Constant of Variation, B) the Equation of the Variation, and the C) the Solution The volume V of gas varies inversely to the pressure P. The volume of a gas is 200 cm^3 under pressure of 32 kg/cm^2. What will be its volume under pressure of 40

    asked by Nate on February 15, 2018
  25. Math

    a. Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I think it would better for a cube to have a high volume. Can you please check am i correct if Im not can you explain.

    asked by Anastasia on April 13, 2016
  26. chemistry

    what volume of carbondioxide is produced when 10g of Hcl reacts completely with caco3 caco3+2HCl=cacl2+H2o+Co2 moles ofHCl=10/36.5=0.27 volume:volume 2HCl:CO2 2:1 24000*2:24000 480000:24000 2700:x x=1350cm3

    asked by mohammad on April 30, 2017
  27. Physics

    A 301-kg boat is sailing 16.5° north of east at a speed of 2.08 m/s. Thirty seconds later, it is sailing 37.2° north of east at a speed of 3.60 m/s. During this time, three forces act on the boat: a 32.7-N force directed 16.5° north of east (due to an

    asked by Anonymous on October 10, 2012
  28. physics

    A 301-kg boat is sailing 16.5° north of east at a speed of 2.08 m/s. Thirty seconds later, it is sailing 37.2° north of east at a speed of 3.60 m/s. During this time, three forces act on the boat: a 32.7-N force directed 16.5° north of east (due to an

    asked by Anonymous on October 4, 2012
  29. Chemistry-Could you check this, please?

    I have a balloon that contains 22 grams of Carbon dioxide. The barometric pressure is 1019 millibars which I converted to 1.006 Atm and the temperature is 299 "K". What is the volume of balloon? I used the ideal gas law to find out the volume in liters of

    asked by JamieLyn on May 24, 2010
  30. Physical Chemistry3

    The specific volume of water is given quite accurately by the empirical relation ln(v) = −6.7081 + 1.01257 ln(T) + 280.663/T Use this relation to derive an equation for the coefficient of thermal expansion and determine the temperature at which this

    asked by Amber on September 29, 2008
  31. Physics (please help!!!!)

    A man of mass 80 kg and density 970 kg/m3 stands in a shallow pool with 31% of the volume of his body below water. Calculate the normal force the bottom of the pool exerts on his feet. (Take the positive direction to be up. Indicate the direction with the

    asked by HELP!!!! on April 16, 2011
  32. science

    2) Which is not an example of matter? A. water B. air(i think it this one) C. gold D. sound 3) The amount of space an object occupies is called its ..... A. volume(i think it this one) B. mass C. electricity D. gravity 4) Atoms in a molecule are joined

    asked by eduarda on December 12, 2014
  33. Chemistry

    85.0 mL of 1.50 mol/L ammonium chloride solution is added to 250 mL of water. Calculate the molar concentration of the final solution. Using the formula C(Concentration)=n(moles)/v(Volume measured in litres.) How am I supposed to solve this question given

    asked by AlphaPrimes on March 29, 2016
  34. Physical Chemistry3

    The specific volume of water is given quite accurately by the empirical relation ln(v) = −6.7081 + 1.01257 ln(T) + 280.663/T Use this relation to derive an equation for the coefficient of thermal expansion and determine the temperature at which this

    asked by Amber on September 29, 2008
  35. chemistry

    2part question a camper obtained a sample of water from a mountain stream for cooking, but the water appeared to be cloudy with slit. what would be the best method of separating the silt from the water? Draw a flow chart for the separation you have

    asked by CeeCee on February 3, 2014
  36. Chemistry

    Molarity of KMnO4:0.2M Volume of H2O2: 10mL Initial volume 50mL Final Volume: 31.90mL Volume of KMnO4 (new H2O2) Would it be the 31.90mL or do I subtract 50mL-31.90mL= 18.10mL

    asked by linda on February 8, 2010
  37. Integrated Physics and Chemistry

    In an internal combustion engine, the gas vapor/air mixture enters the cylinder during the ____ stroke. A)intake B)compression C)power D)exhaust

    asked by Ashley!! on April 21, 2011
  38. science

    A 1600kg car starts at rest and reaches 40 m/s in 6 seconds. I need to find: a) the change in kinetic energy b) work c) distance d) applied force of the engine

    asked by Abby on May 15, 2017
  39. physics

    A large truck (m=3300kg) accelerates from 15 m/s. Neglecting any friction or air resistance, find the average mechanical power that the trucks engine must supply.

    asked by Stacy on May 31, 2013
  40. keybording and word processing

    To set up an e-mail account you have must? a. have access to the internet or another network, b. subscriber to a search engine, c. agree to share your password , d. obtain a web address.

    asked by Raksha on June 9, 2008
  41. Physics

    An engine of car of power 40KW moves on a rough road wit a velocity of 50ms-1.cal.the force require to bring it to rest.

    asked by Zahraht on November 8, 2016
  42. Exploring Space

    if u could travel at the speed of ligt without fuel, where would the energy required for the engine come from? is this possible? Would gravity control be helpful? Antimatter? Warp-Drive? I need help answering this question:-(

    asked by Sara on March 4, 2010
  43. writing

    experts within a given field to review and approve an article before publication? A Peer reviewed journal Primary source Newspaper Internet search engine

    asked by Anonymous on May 10, 2012
  44. Chemistry

    Use the heating curve of 50 g of water and the list of values to answer the question. specific heat of ice = 2.10 J/(g·°C) specific heat of water = 4.18 J/(g·°C) specific heat of water vapor = 2.07 J/(g·°C) latent heat of fusion of ice = 333.4 J/g

    asked by Summer on March 15, 2018
  45. calculus

    (1 pt) When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV1.4=C where C is a constant. Suppose that at a certain instant the volume is 390 cm3, and the pressure is 75 kPa (kPa =

    asked by emily on April 2, 2015
  46. Chemistry

    Answer the following questions about energy changes associated with heating and cooling a substance. Use the quantities in the table for your calculations. (table) Specific heat of water /4.184J/g*K dealta H vap for water /40.7 kJ/mol dealta H fus for

    asked by Morgan on February 1, 2015
  47. Science

    What type of water evaporates quicker:well water or salt river water?

    asked by Ethan on November 2, 2015
  48. arithmetic

    A water tank can hold 56 1/4 litres of water .How much water is contained if it is 8/15 full?

    asked by sreemonti mukherjee on September 13, 2012
  49. Math

    A water tank can hold 56 5/7 litres of water. How much water is contained when it is 2/5 full?

    asked by Joel on July 26, 2018
  50. Chemistry

    If you have 200ml of 25% aqueous solution of ethanol, what volume of ethanol and water are in the solution?

    asked by JD on March 3, 2013
  51. chemistry

    What is the percent by volume of isopropyl alcohol in a solution that contains 24 mL of isopropyl alcohol in 1.1 L of water? this the other one i need help with and thanks for the last help

    asked by Anonymous on February 11, 2011
  52. Chemistry Check

    The Synthesis of hydrogen chloride is written H2+Cl2==>2HCl. 3L of hydrogen are used and all gasses are at STP. The volume of HCL produced in the reaction would be _______ L. would the answer be 5.96? Three liters of H2 yields six liters of HCl, from the

    asked by Briana on January 19, 2007
  53. PHYSICS

    A water pistol aimed horizontally projects a stream of water with an initial speed of 5.00 m/s. (a) How far does the water drop in moving 1.00 m hori- zontally? (b) How far does it travel before dropping a vertical distance of 1.00 cm?

    asked by Rebecca on January 30, 2012
  54. physics

    A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.6 m/s and her body makes an angle of 84 degrees with respect to the horizontal surface of the water .

    asked by na on September 12, 2010
  55. Math

    Water is flowing at the rate of 50m^3/min from a concrete conical reservoir of base radius 45m and height 6m. How fast is is the water level falling when the water is 5m deep?

    asked by Peggy on November 30, 2012
  56. Chemistry

    Which is a chemical change? A - splitting water into hydrogen and oxygen B - breaking a block of solid ice into smaller pieces C - freezing liquid water D - boiling water My answer: D

    asked by Anon on June 2, 2017
  57. chem

    Oxygen gas and water are produced by the decomposition of hydrogen peroxide. If 10.0 mol of H2O2 decomposes, what volume of oxygen will be produced? Assume the density of oxygen is 1.429g/L. 2H2O2= 2H2O+O2

    asked by oscar on February 3, 2013
  58. Chemistry

    Oxygen gas and water are produced by the decomposition of hydrogen peroxide. If 10.0 mol of H2O2 decomposes, what volume of oxygen will be produced? Assume the density of oxygen is 1.429g/L. 2H2O2= 2H2O+O2

    asked by YV on April 20, 2011
  59. mechanics

    Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the wall. If the area of cross-section of the water jet is S, Find the force that it applies on the wall. Take the mass density of

    asked by mittal on April 15, 2011
  60. Physics

    Hydroelectricity is generated by storing water behind a dam, and then letting some of it run through generators in the dam to turn them. If the system is the water, what is the environment that is doing work on it? If a dam has water 100m deep behind it,

    asked by Anonymous on July 20, 2018
  61. physics

    I have 2 questions: Assuming that water has a density of exactly 1 g/cm3, find the mass of one cubic meter of water in kilograms. Suppose that it takes 10.0 h to drain a container of 5700m3 of water. What is the "mass flow rate," in kilograms per second,

    asked by Scott on September 2, 2010
  62. mechanics

    Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the wall. If the area of cross-section of the water jet is S, Find the force that it applies on the wall. Take the mass density of

    asked by maan on April 12, 2011
  63. Physics Help

    Divers for many years have dived into the ocean from the cliffs of Acapulco, a distance of 35 m above the water. How fast are the divers moving when they hit the water? If the divers travel a distance of 5 m through the water before momentarily coming to

    asked by Kayla on September 12, 2014
  64. Calculus

    Water is leaking from the bottom of a tank in the shape of an inverted cone having an altitude of 12 feet and a radius of 2 feet. If the water is leaking at the rate of 0.25 cubic feet per minute, how fast is the water level decreasing when the water is 4

    asked by Jake on June 23, 2014
  65. HELP PLEASE !!

    DAD: Where’s the water now? MOM: As high as the car’s wheels. DAD: We’d better go. MOM: We can’t. The car’s dead. DAD: What? MOM: The water is up to the engine; it won’t start. TINA: Oh, no! MARK: What can we do? DAD: I don’t know. (He looks

    asked by kelsey on May 20, 2014
  66. Anatomy & Physiology

    How do the gas laws (Daltons, Boyles and Henrys)apply to the respiratory processes? I will be happy to critique your thinking on this. I know Dalton's Law is the law of partial pressures, Boyle's law is the law for a fixed mass of ideal gas at fixed

    asked by Aletha on March 21, 2007
  67. chemistry

    When 86.7 g of water at a temperature of 73 °C is mixed with an unknown mass of water at a temperature of 22.3 °C the final temperature of the resulting mixture is 61.7 °C. What was the mass of the second sample of water? (Specific heat of water 4.184

    asked by Anonymous on April 9, 2013
  68. Psychological Statistics

    A researcher asks participants to sample tap water and bottled water. out of 40 people, 28 selected bottled water. was the bottled water selected significantly more often? Use two tailed test with a+.05

    asked by Anonymous on April 20, 2013
  69. chemistry

    When 86.7 g of water at a temperature of 73 °C is mixed with an unknown mass of water at a temperature of 22.3 °C the final temperature of the resulting mixture is 61.7 °C. What was the mass of the second sample of water? (Specific heat of water 4.184

    asked by Anonymous on April 9, 2013
  70. Chemistry

    Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by Anonymous on November 16, 2014
  71. chemistry

    Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by allie on March 11, 2010
  72. Chemistry

    Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by Andrew Howard on March 10, 2010
  73. Chemistry- Dr. Bob222

    What is the final temperature and state of water when 8.50 kJ of energy is added to 10.0 g of ice at 0 degree Celsius. Helpful information: Cs (ice)= 2.1 J/g•C Heat of vaporization (water)= 40.7kJ/mol Ca (water)= 4.184 J/g•C Heat of fusion (water)=

    asked by Anonymous on February 13, 2016
  74. Precalculus

    5. A water wheel has a radius of 60 feet, and the center is 14 feet above the water level. The water wheel makes a complete rotation every 45 minutes. A specific cup starts at the top of the wheel. Write a sine equation to model the above water wheel.

    asked by Valerie on January 11, 2013
  75. Chemistry

    What is the final temperature and state of water when 8.50 kJ of energy is added to 10.0 g of ice at 0 degree Celsius. Helpful information: Cs (ice)= 2.1 J/g•C Heat of vaporization (water)= 40.7kJ/mol Ca (water)= 4.184 J/g•C Heat of fusion (water)=

    asked by Neveah on February 12, 2016
  76. chemistry help

    1. Calculate the energy change (q) of the surroundings (water) using the enthalpy equation qwater = m × c × ΔT. We can assume that the specific heat capacity of water is 4.18 J / (g × °C) and the density of water is 1.00 g/mL. Show ALL your work. The

    asked by MadiB PLEASE HELP :( on April 7, 2013
  77. chemistry

    Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by san on November 1, 2012
  78. uah

    Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by dee on March 8, 2010
  79. Chemistry

    Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by Andrew Howard on March 10, 2010
  80. Anatomy

    I have the formula to problem but can not come up with any of the answers. Problem: Calculate the cardiac output if heart rate (HR) is 90 beats per minute, stroke volume (SV) is 110 ml/beat, end diastolic volume (EDV) is 140 ml, and end systolic volume

    asked by Mary on June 5, 2016
  81. Physics

    A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 30.0 cm, and the constriction has a diameter of 10.0 cm. The two vertical pipes are open at the top, and the difference in water level between

    asked by Jimmy on December 12, 2013
  82. Math

    Between 4am and 5am, the water rises from 1.4m to 1.9m. Therefore, it rises 50 centimetres in 60 minutes. This means that the water rises approximately 0.83 centimetres every minute (50 ÷ 60 = 0.83cm). The water will have to increase 0.31m – or 31cm –

    asked by Jess on June 15, 2015
  83. Math

    The base of a pyramid-shaped tank is a square with sides of length 12 feet, and the vertex of the pyramid is 10 feet above the base. The tank is filled to a depth of 4 feet, and water is flowing into the tank at the rate of 2 cubic feet per minute. Find

    asked by Betty on February 15, 2016
  84. calculus

    Water is pouring into a conical vessel 15cm deep and having a radius of 3.75cm across the top. If the rate at which the water rises is 2cm/sec, how fast is the water flowing into the conical vessel when the water is 4cm deep?

    asked by Arvin on November 3, 2012
  85. Chemistry

    You have two beakers, one filled to the 100 mL mark with sugar (mass of sugar 180.0 g) and the other filled to the 100 mL mark with water (m ass of water 100.0 g). You pour all the sugar and all the water together in a bigger beaker and stir until the

    asked by Kristina on June 24, 2015
  86. physics

    A cylinder with a piston contains 0.3 kg of water at 100 degrees C. What is the change in internal energy of the water when it is converted to steam at 100 degrees C at a constant pressure of 1 atm? The density of water is 1000 kg/m^3 and that of steam is

    asked by Chip on September 23, 2013
  87. pHYSICS

    You're working on an experiment to determine the calorie content of peanuts. To do this, you burn a peanut beneath a container of water, and measure the water's temperature change. Suppose the peanut has a mass of 0.59 g, and the water has a mass of 63.5

    asked by mann213 on December 5, 2012
  88. Chemistry

    Really hard Chemistry question that I need help with. Any assistance would be really helpful.? When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas produced is measured. The volume

    asked by Codec on May 25, 2011
  89. chemistry

    Record measured absorbance for each tube in following table. Complete the table by calculating the [ Fe(SCN2+)]eq and [Fe3+]initial and [HSCN]initial Data: Volume of 2.00 x 10-3 M Fe(NO3)3 solution, mL 1)5.00, 2) 5.00, 3) 5.00 4) 5.00 5) 5.00 Volume of

    asked by Brittany S on September 27, 2012
  90. chemistry

    Record measured absorbance for each tube in following table. Complete the table by calculating the [ Fe(SCN2+)]eq and [Fe3+]initial and [HSCN]initial Data: Volume of 2.00 x 10-3 M Fe(NO3)3 solution, mL 1)5.00, 2) 5.00, 3) 5.00 4) 5.00 5) 5.00 Volume of

    asked by Brittany S on September 27, 2012
  91. Chemistry

    A water treatment plant adds fluoride ion to the water to the extent of 1.5mg F-/L H2O. a)What is the molarity of fluoride ion in this water? b)If the fluoride ion in the water is supplied by calcium fluoride, what mass of calcium fluoride is present in

    asked by Faith on October 13, 2015
  92. 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
  93. AP Calculus

    I need help with Volume of Revolutions. The question is: Find the volume of the solid generated bt rotating about the designated line the region bounded by: 1. y= x squared + 2, x = negative 1, x = 1 about y = 1.

    asked by TJ on March 22, 2009
  94. chemistry

    A sample of nitrogen gas has the temperature drop from 250°C to 150°C at constant pressure. What is the final volume if the initial volume is 310 mL?

    asked by pari on July 30, 2014
  95. chemistry

    A helium balloon has a volume of 2.50L at STP. If it's released and rised to an elevation at which pressure is 0.285 atm, and the temperature is -35 degrees. What's the new volume?

    asked by sarah on January 16, 2012
  96. chem

    An automobile burns 65 grams of gasoline over 20 minutes. The gasoline combines with 100 grams of oxygen in this reaction, to form carbon dioxide and 47 grams of water. How much carbon dioxide is formed? do I use the heat capacity equation? How much oxyen

    asked by tina on February 14, 2007
  97. Chemistry

    Sodium chloride dissolves in water (solubility in water is 361g/1L), but copper (II) phosphate does not dissolve in water (insoluble). A. Describe in a stepwise fashion how the solid sodium chloride dissolves in the water to form a solution. (name the

    asked by Anonymous on December 9, 2015
  98. Physics

    A 69 kg swimmer free-falls off a 10.0 m diving platform. The diver comes to a stop 2.7 m below the water's surface. What is the magnitude of the force exerted by the water on the swimmer. (assume a positive direction is up) I calculated the force on the

    asked by Becca on October 25, 2012
  99. Physics

    A 69 kg swimmer free-falls off a 10.0 m diving platform. The diver comes to a stop 2.7 m below the water's surface. What is the magnitude of the force exerted by the water on the swimmer. (assume a positive direction is up) I calculated the force on the

    asked by Becca on October 25, 2012
  100. Physics

    When you take a bath, how many kilograms of hot water (50°C) must you mix with cold water (13°C) so that the temperature of the bath is 36°C? The total mass of water (hot plus cold) is 215kg. Ignore any heat flow between the water and its external

    asked by Sami on December 2, 2011