Chemistry

The output of a diesel generator, which contains a mixture of CO2 and H2O gases, is collected in a sealed vessel at 447 K. As the mixture cools to 298 K, the pressure falls from 3.0 atm to 0.80 atm. What is the ratio of CO2 to H2O in the mixture?

Have you tried using Avagadro's hypothesis or the ideal gas laws?

Yeah. - They don't work -_-

At 298K, the water vapor has condensed to liquid, so the gas mixture left is CO2 + a little water vapor due to partial pressure of water.
So look up th partial pressure of water at 298K. Subtract that from .8 atm, and you have the pressure of CO2. Solve for the moles of CO2 in the gas given PVT. Now, go back to the origianl pressure. You know moles of CO2, solve for the partial pressure given VTn. Subtract that from 8.0atm, and you have the pressure of the water vapor. Solve for the moles water vapor.

Cheers Bob. You are awesome!

  1. 👍 0
  2. 👎 0
  3. 👁 119
asked by Vic

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    a mixture of methane and ethane is stored in a container at 294 mmHg. The gases are burned in air to form co2 and h2o. if the pressure of co2 is 357 mmhg measured at the same temperature and volume as the original mixture,

    asked by maggie on December 4, 2010
  2. Chemistry 2

    A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gases according following equations: 2KCLO3 -> 2KCL + O2 2KHCO3 -> K2O + H2O + 2CO2 2CO3 -> K2O + CO2 The KCL does not reacnder the

    asked by Pat on September 13, 2007
  3. Chem 2

    A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gases according to the following equations: 2KCLO3 -> 2KCL + O2 2KHCO3 -> K2O + H2O + 2CO2 K2CO3 -> K2O + CO2 The KCL does not

    asked by Pat on September 13, 2007
  4. Chemistry

    a mixture of methane CH4 and ethane C2H6 is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure of CO2 is 346mmHg at the same temp and volume as the original mixture, calculate the

    asked by Carolyn on March 29, 2011
  5. Chemistry

    a mixture of methane CH4 and ethane C2H6 is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure of CO2 is 346mmHg at the same temp and volume as the original mixture, calculate the

    asked by Carolyn on March 29, 2011
  6. NEED HELP!

    A mixture contained CaCO3 and MgCo3. A sample of this mixture weighing 7.85g was reacted with excess HCl. The reactions are-- CaCO3 + 2HCl --> CaCl2 + H2O + CO2 MgCO3 + 2HCl --> MgCl2 + H2O + CO2 Is the sample reacted completely

    asked by Mary on November 5, 2009
  7. chemistry help!

    A mixture contained CaCO3 and MgCo3. A sample of this mixture weighing 7.85g was reacted with excess HCl. The reactions are-- CaCO3 + 2HCl --> CaCl2 + H2O + CO2 MgCO3 + 2HCl --> MgCl2 + H2O + CO2 Is the sample reacted completely

    asked by Mary on November 6, 2009
  8. Chemistry

    Calculate the ratio of moles of CO2 produced to moles of the original gas mixture? A mixture of methane (CH4) and ethane (C2H6) is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure

    asked by Jenny on August 13, 2010
  9. Chemistry

    Calculate the ratio of moles of CO2 produced to moles of the original gas mixture? A mixture of methane (CH4) and ethane (C2H6) is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure

    asked by Jenny on August 13, 2010
  10. physics

    a diesel engine rapidly compresses air in its combustion chambers. while this happens it squirtsa fine spray of diesel fuel into the chamber. explain why the diesel ignites. can someone please help? Compressing gases heats them.

    asked by Pauline on May 3, 2007

More Similar Questions