Chemistry

posted by .

Estimate the number of moles of gas (and mass of gas assuming that it is all N2) inside your family car (or a friends if you don't have one). If the amount of gas was compressed at constant temperature to fit inside a coke can what would the pressure inside the coke can be?

Did i solve this correctly,

28.317 l x 115ft^3 = 3256 l at a standard temperature (0 C, 40 F)
3256 l x 1mole N2/22.44 l = 145.4 moles N2
Number of moles = 145.4 moles N2

145.4 moles N2/22.4 l = 6.49
28/6.49=4.3
Im kind of stuck right here, what do i need to do next?

  • Chemistry -

    Also, are the units correct here, what are the units that should be on 6.49 ex.?

  • Chemistry -

    I assume 28.317 is the conversion factor for cubic feet to L and I assume 115 ft^3 is the volume of the inside of the car.

    28.317 l x 115ft^3 = 3256 l at a standard temperature (0 C, 40 F)
    3256 l x 1mole N2/22.44 l = 145.4 moles N2
    Number of moles = 145.4 moles N2
    You are ok to here although I didn't check the math. I don't get what follows.

    145.4 moles N2/22.4 l = 6.49
    28/6.49=4.3

    You have mols (assuming the math is right) at 145.4. Convert to mass by
    145.5mol x (28 g/1 mol) = ?
    Then to convert to pressure inside a coke can, it will be
    PV = nRT. You know n,R, T and you will need the volume of the empty coke can. Solve for pressure in atm.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature …
  2. PHYSICS

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature …
  3. chemistry

    Assuming pressure and temperature remain constant, what happens to the volume of a gas if the number of moles of gas is increased (gas is added)?
  4. physics

    We start with 5.00 moles of an ideal monatomic gas with an initial temperature of 123C. The gas expands and, in the process, absorbs an amount of heat equal to 1300J and does an amount of work equal to 2040J. What is the final temperature …
  5. chemistry

    i have two questions. 1. generally speaking, if the pressure of a gas is tripled, what will happen to its volume?
  6. chemistry

    Consider 4.00L of a gas at 365mmHg and 20*C. If the container is compressed to 2.80L and the temperature is increased to 35*C, what is the new pressure,P2 , inside the container?
  7. Chemistry--DrBob222

    Estimate the number of moles of gas (and mass of gas assuming that it is all N2) inside your family car (or a friends if you don't have one). If the amount of gas was compressed at constant temperature to fit inside a coke can what …
  8. Physics

    Consider an ideal gas enclosed within a container with a moveable piston and a valve through which additional ideal gas can be added to the container. Which one of the following actions may not result in an increase in pressure?
  9. Physics

    A tank with a constant volume of 3.44 m3 contains 14 moles of a monatomic ideal gas. The gas is initially at a temperature of 300 K. An electric heater is used to transfer 52600 J of energy into the gas. It may help you to recall that …
  10. Physics

    A cylinder with a movable piston contains 14 moles of a monatomic ideal gas at a pressure of 2.26 × 105 Pa. The gas is initially at a temperature of 300 K. An electric heater adds 52600 J of energy into the gas while the piston moves …

More Similar Questions