1. chemistry

    How much heat is evolved when 267 g of ammonia gas condenses to a liquid at its boiling point?

    asked by pjl on March 24, 2010
  2. Chemistry

    If a balloon filled with carbon dioxide has occupies a volume of 31 L at STP, what is the mass of the gas?

    asked by Madison on April 21, 2014
  3. Chemistry 1001

    At which pressure would carbon dioxide gas be most soluble? 600torr, 700torr 800torr or 900torr

    asked by Cookie on April 9, 2011
  4. chemistry

    2.) An ideal gas in a 6.30L container at 3.50 atm and at 273K is heated to 435.0K. What is the new pressure?

    asked by xx on November 17, 2014
  5. Chemistry

    I know this is pretty general, but it is the question. What can you say about the energy spread of the radiation emitted by an atomic gas?

    asked by Noah on May 16, 2016
  6. english

    What type of sentence pattern is "Traditional gas-powered cars are harmful to the environment." ?

    asked by Kenzie on September 24, 2012
  7. SCIENCE

    WHAT MASS IN GRAMS OF OXYGEN GAS IS CONTAINED IN C 8.5L TANK AT 32 DEGREE CELSIUS AND 3.23 ATMOSPHERE

    asked by FLORA on March 9, 2015
  8. chemistry

    What volume of ammonia gas at STP is required to neutralise 40cm of 2m sulphuric acid

    asked by Anonymous on April 28, 2018
  9. Physics

    is that right ideal gas only obey the boyles law under high temp and low pressure?

    asked by Kong on January 26, 2012
  10. Chemistry B

    Determine the pressure inside a televison picture tube with a volume of 3.5L that contains 2.00 x 10-5g of nitrogen gas at 22.0C?

    asked by Christy on April 6, 2010
  11. Chemistry

    How many grams of oxygen gas must react to give 2.80g of ZnO? 2Zn(s)+O2(g)→2ZnO(s)

    asked by McKenzie on November 25, 2014
  12. chemistry

    Why is the carbon dioxide gas that carbonates fountain drinks stored in sturdy canisters?

    asked by brenton on April 28, 2010
  13. Chemistry

    When the pressure exerted on 1.0L of an ideal gas is quadrupled, and the kelvin temperature is tripled,what does the volume become?

    asked by Kyla on June 17, 2016
  14. Science

    A sample of natural gas is 80.0% CH4 and 20.0% C2H6 by mass. What is the heat from the combustion of 1.00 g of this mixture?

    asked by Larry Balaba on July 19, 2018
  15. Science

    A substance seems to completely fill a container, but more can be forced in. What is the subatance a solid, liquid gas or none of these?

    asked by rhon on April 29, 2010
  16. Chemistry

    How many grams of carbon dioxide gas are formed when 11.9g of liquid hexane (C6H14) is combusted?

    asked by Felyisha Urioste on March 6, 2018
  17. Chemisty

    2C2H6(g) + 7O2(g) = 4CO2(g) + 6H2O(g) How many L of oxygen gas is needed to produce 18.0 L of CO2

    asked by Alexis on November 24, 2016
  18. PAVCS

    How many moles of gas are in a 20 liter scuba canister is 300k and pressure is 200 atm

    asked by jonathan on January 26, 2018
  19. Chemistry

    A gas can holds 1.5 of gasoline, what is this quantity in cubic centimeters? answer using two significant figures,

    asked by Hanna on September 24, 2012
  20. organic chemistry

    what volume of nitrogen gas is produced at 1.00 atm and 27C when 101 g of NaN3 decomposes

    asked by Cathleen on February 23, 2011
  21. Chemistry

    If 500.0 mL of hydrogen are collected over water at 20.0 C and 99.3 kPa what will the volume of the dry gas be at STP?

    asked by Christian on May 13, 2007
  22. physics

    calculate the work done on n mole of a vander waal gas is an isothermal expansion from volume vi to vf.

    asked by abdulmueed on October 20, 2015
  23. chemtry 1

    If 0.500mol of argon gas occupies 2.35L at 725mmHg what is the temperature in degrees Celsius?

    asked by shadow16 on April 18, 2014
  24. Physics

    is it right that ideal gas only obey the boyles law under high temp and low pressure?

    asked by Kong on January 27, 2012
  25. physics

    What is the density of nitrogen gas (molecular mass = 28 u) at a pressure of 1.2 atmospheres and a temperature of 284 K?

    asked by Joe on April 4, 2012
  26. chemistry

    How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21C?

    asked by n/a on March 11, 2011
  27. Science

    assume the pressure is kept constant if the volume of a gas quadruples, how does the absolute temperature change?

    asked by Lisa on October 27, 2010
  28. Chemistry

    a gas phase compound has a density of 2.10 g/l at 751 torr and 100 c what is the molecular weight

    asked by Anonymous on December 1, 2014
  29. chemistry

    what volume will53ml of gas measured at 25degree and 97 k pa become if the temperature is changed to 55 degree and pressure to 93 k pa ?

    asked by imshat on November 15, 2011
  30. Chemistry

    What is the temperature of 0.45mol of gas at a pressure of 1.0at and a volume of 10.1L ? if anyone can tell me what i need to do to solve this problem it would be helpful

    asked by Brittney on October 6, 2012
  31. science

    Calculate the fraction of atoms in a sample of argon gas at 365 K that has an energy of 11.0 kJ or greater.

    asked by Hannah on February 9, 2013
  32. chemistry

    What volume of chlorine gas at 42.0 oC and 1.30 atm is required to react completely with 34.2 g of phosphorus (P4) according to the following reaction?

    asked by Alex on December 7, 2013
  33. physic II

    If the temperature of a gas is increased from 20 to 40 degrees celcius, by what factor does the speed of of the molecules increase?

    asked by julide on April 17, 2014
  34. Science

    What are many of the environmental problems related to development of natural resources such as coal, oil and gas?

    asked by Anonymous on January 14, 2013
  35. Chemistry (Thermodynamics)

    Write a balanced equation for the complete combustion of 1 mole of ethyne gas (C2H2) ?

    asked by Amanda on February 28, 2014
  36. chemistry

    2.) An ideal gas in a 6.30L container at 3.50 atm and at 273K is heated to 435.0K. What is the new pressure?

    asked by xx on November 19, 2014
  37. chemistry

    How many grams of CO2 are contained in 550 mL of the gas at STP I've worked all of these questions and I'm trying to see if I'm right, and if not, where I went wrong.

    asked by lavonne on October 19, 2010
  38. 7th Grade Science

    when the temperature is constant the volume of a gas will decrease as the pressure decreases. True or false

    asked by completeidiot on September 6, 2012
  39. chemistry

    Calculate the volume occuiped by 7g of nitrogen gas at 27degree centigrade and 750 mm of Hg pressure?

    asked by zhalia moon on October 23, 2011
  40. chemistry

    How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21C?

    asked by twynna on March 10, 2011
  41. Physical Science

    If the volume and the number of molecules remain constant for a gas, a temperature increase causes the pressure to do what?

    asked by jasmine on March 17, 2014
  42. physics

    Calculate the internal energy of 25.0 g of low-density oxygen gas (O2) at a temperature of 255 K.

    asked by JOHN on April 13, 2012
  43. math

    You are asked to calculate gas mileage for a car, and your answer comes out with units of gal/mi. This means that

    asked by pedro on September 20, 2015
  44. Chemistry

    What volume would be occupied by 100 g of oxygen gas at a pressure of 1.50 atm and a temp of 25 degrees C.

    asked by Danielle on March 22, 2011
  45. chemistry

    How many moles of argon gas are present in 70l of volume with a pressure of 280atm at 21c?

    asked by twynna on February 9, 2011
  46. chemistry

    How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21c?

    asked by twynna on February 20, 2011
  47. science

    i am doing a particle movement stuy sheet and i need to knoe if gas is compressed(push) then what is the distance

    asked by cee on October 18, 2007
  48. Chemisrty

    calculate the final Celsuis Temp when 5.0 L of Flourine gas at 50 is cooled to give a volume of 3.75?

    asked by Dee on March 24, 2011
  49. chemistry

    If 500.0 mL of hydrogen are collected over water at 20.0 C and 99.3 kPa what will the volume of the dry gas be at STP?

    asked by Anonymous on May 23, 2012
  50. science

    Which gas is a source of natural groundwater pollution? A. Oxygen B. Radon C. Hydrogen D. Carbon i think its a

    asked by SELENITAA on July 11, 2013
  51. Science

    What are some of the environmental problems related to development of natural resources such as coal, oil and gas?

    asked by Anonymous on January 10, 2013
  52. chemistry

    An ideal gas is allowed to expand from 7.40 L to 55.5 L at constant temperature. By what factor does the volume increase?

    asked by Twon on October 27, 2011
  53. chemistry

    if 25 Liters of H2 is reacted with excess chlorine gas ( Cl2 ), how many grams of HCl can be produced?

    asked by sadie on February 17, 2011
  54. quimica

    como se llama el gas que se desprende de mezclar acido acetico con vinagre?

    asked by Anonymous on March 9, 2011
  55. chemistry

    If 1.00 {\rm mol} of {\rm{N}}_2 has a volume of 47.0 {\rm L} under the reaction conditions, how many liters of gas can be formed by heating 38.5 g of {\rm{NaN}}_3

    asked by Anonymous on October 1, 2010
  56. science

    The volume of 3.96 g of a gas sample at standard conditions it was found to be 1.15 L.Calculate its molecular mass?

    asked by Jaco on April 13, 2014
  57. chemistry

    How many grams of HCl must be used to produce 10.0L of chlorine gas at STP? Reaction: 2HCl (g)--->H2 (g)+Cl2 (g)

    asked by Cliff on June 14, 2011
  58. science

    calculate the mass of carbon which is required to form 44,8dm of methane gas at STP

    asked by Anonymous on August 16, 2013
  59. Chemistry

    How many moles of a gas at 100 degrees celciuos does it take to fill a 1.00 flask to a pressure of 1.50 atm?

    asked by Natalia on November 19, 2010
  60. chemistry

    what volume will 5.00g of dinitrogen oxide gas occupy at 50.0 degrees celcious and 12.0 atmosphere

    asked by me on January 10, 2011
  61. chemistry

    How much heat is evolved when 269 g of ammonia gas condenses to a liquid at its boiling point?

    asked by brett on May 10, 2010
  62. Science

    How many grams of h2so4 are needed to neutralize completely 10 litre of ammonia gas at ntp

    asked by Jyoti Thakur on August 16, 2018
  63. chemistry

    What is the molecular weight of an unknown gas if 2.5g of it occupies 2L at 630 torr and a temp. of 600K? 10.2 36.6 74.3 28.9 40.1

    asked by Anonymous on December 5, 2011
  64. Chemistry

    A gas mixture contains 1.16 g N2 and 0.89 g O2 in a 1.49 L container at 16 degrees C. What is partial pressure of N2 & O2? *I already know the mole fraction for N2 is 0.60, and 0.40 for O2. I just don't know where to go from here.

    asked by Michelle on October 11, 2010
  65. Physics

    Does the trend of the change in shape of the graph as temperature increases differ when a different gas is examined?

    asked by Alfrieda on July 19, 2012
  66. Physics

    When an inflated baloon is been put in the freezer for 15 minutes, which of the ideal gas law is the observation

    asked by Shaibu on November 27, 2012
  67. Chemistry

    Given: Mg + 2HCl --> H2 + MgCl2 0.250 g of magnesium reacts with 10.00 mL of 1.5 M HCl. What volume (in mL) of H2 gas is produced?

    asked by Jake on March 12, 2009
  68. chemistry

    how much volume of oxygen at stp in litres is required to burn 4g of methane gas completely

    asked by sweety on July 16, 2015
  69. Chemistry

    What volume of oxygen gas at STP would be needed for the complete combustion of 39.0 grams of octane ?

    asked by Ned on February 13, 2017
  70. Science

    what volume will 5.00g of nitrous oxide gas occupy at 50 degree celcius and 4.00L?

    asked by Dorothy May Puyat on March 10, 2016
  71. Chemistry

    What is the function of Compressed Air in GC-FID (i.e. Gas Chromatography-Flame Ionization Detector)?

    asked by anne on March 18, 2012
  72. chemistry

    How much of the water (in grams or mL) is consumed to produce 15 mL of the H2 gas? Use PV = nRT ; assume T = 298K, P = 1 atm

    asked by mook on December 1, 2011
  73. Chemistry

    Calculate the volume of carbon 4 oxide gas at s.t.p when 5g of zinc trioxocarbonate is heated strongly.

    asked by Emmanuel on October 15, 2018
  74. Chemistry

    How many grams of water will be produced in the complete combustion of 20.0g of Octane, C8H18(g) and 50.0g Oxygen gas?

    asked by Jefferson on January 13, 2015
  75. CHEM

    3 Liter of a gas is collected at 35 degrees celcius and 705 mmHg .what is the volume at STP?

    asked by RTYU on October 21, 2014
  76. chemistry

    How many moles of gas does it take to occupy 120 L at a pressure of 233 kPa and a temperature of 340 K?

    asked by maria on January 19, 2011
  77. Chemistry 1

    if 0.500mol of argon gas occupies 2.10L at 735mmHg, what is the temperature if degrees Celsius

    asked by Me on April 30, 2013
  78. Chemistry-Equation

    How many liters of hydrogen gas are needed to react with CS2 to produce 1.25 L of CH4 at STP?

    asked by meg on March 5, 2010
  79. chemistry

    what is the mass of sodium nitrate (85.00g/mol) that releases 2.55L of gas at STP?

    asked by Jennifer on April 6, 2013
  80. bhs

    what is the formula of the ion formed when potassium achieves noble gas electron configuration?

    asked by angie on November 6, 2008
  81. chemistry

    explain why wheather ballons are not completely filled with gas before they sail into the upper astmosphere

    asked by tasha on September 30, 2011
  82. Physics

    An ideal gas performs 453 of work and loses 45J of internal energy

    asked by Ramiro on May 7, 2012
  83. chemistry

    How much heat is evolved when 269 g of ammonia gas condenses to a liquid at its boiling point?

    asked by samantha on May 10, 2010
  84. physics

    Find the work done by 2.32 moles of an ideal gas if its volume doubles at a constant temperature of 22.6°C.

    asked by Anonymous on June 20, 2014
  85. chemistry

    Disilane gas undergoes combustion to form solid silicon dioxide and water

    asked by Anonymous on April 22, 2016
  86. Chemistry

    When 20.5g of methane and 45.0g of chlorine gas undergo a reaction that has a 75.0% yeild, what mass of chloromethane forms?

    asked by Sam on September 29, 2009
  87. Chemistry

    What volume a sample of 67.0 grams of nitrogen gas (N2)will occupy at -25degrees C and 3 atm pressure?

    asked by malina on December 2, 2012
  88. Chemistry

    if 7.653 grams of water is decomposed by an electrical current how much oxygen gas will be produced?

    asked by Rae on November 5, 2016
  89. Chemistry

    if 4.307 grams of water is decomposed by an electrical current how much oxygen gas will be produced?

    asked by Rae on November 5, 2016
  90. Chemistry

    At what temperature will 0.0100 mole of argon gas have a volume of 275 mL at 100.0 kPa?

    asked by Utah on March 3, 2017
  91. Physics

    A mass of gas has a volume of 380 cm3 at a pressure of 560 mm Hg and a temperature of 7C. What is its bolume at s.t.p.?

    asked by Betty on December 6, 2009
  92. science

    Calculate the mass of SO3 gas that forms when 10g of SO2 reacts with oxygen

    asked by Anonymous on February 27, 2010
  93. Chemistry

    A sample of gas (2.0 mmol) effused through a pinhole in 5.0 s. It will take __________ s for the same amount of to effuse under the same conditions.

    asked by Claire on December 31, 2014
  94. Physical science

    N2+3H2>2NH3 that occurs at STP What volume of NH3 gas will form if 3g N2 react with enough H2?

    asked by Thandi faith mapili on September 1, 2015
  95. science

    If an element has a gray luster and can be drawn into a wire, is it a nonmetal, metal, gas, or an alloy?

    asked by sue on May 19, 2010
  96. hvac school

    What temp would a fixed volume of gas need to be heated in order to double its pressure if it starts out at 25?

    asked by bruce on November 30, 2012
  97. chemistry

    What is the pressure in millimeters of mercury of 0.0115mol of helium gas with a volume of 206mL at a temperature of 25∘C?

    asked by Anonymous on April 9, 2014
  98. Chemistry

    How many moles of hydrogen gas will be produced when the 0.03 g of magnesium reacts with excess hydrochloric acid?

    asked by Brandy on December 4, 2011
  99. Chemistry

    What is the maximum mass of product that can be formed when 76.0 g of solid zinc and 17.5 g nitrogen gas react?

    asked by Tiffany on February 28, 2010
  100. chemistry

    How many grams of oxygen gas must react to give 2.70g of ZnO? 2Zn(s)+O2(g)→2ZnO(s)

    asked by danielle on April 20, 2015