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Boyle's law and constant temperature

  1. Mar 26, 2014 #1
    Boyle's law states that the product of the pressure and the volume of a gas is
    Constant at a constant temperature, that means if pressure increase two times the volume decrease to half it's value "as long as the temperature is constant". How is the pressure increased and the temperature is kept constant, since increasing pressure involves doing work on the gas, shouldn't the temperature increase????
     
  2. jcsd
  3. Mar 26, 2014 #2
    I think in reality this experiment can only be done very slowly so that the gas roughly remains in temperature equilibrium with its surroundings.
     
  4. Mar 26, 2014 #3
    Yes, you right. You're doing work on the gas so you must allow an equal amount of heat to come out so the temperature may remain constant. That's why that experiment is done in a heat bath of constant temperature. A mixture of ice and water works well.
     
  5. Mar 26, 2014 #4
    PV/T general gas law, PV Boyles law.
    P-pressure
    V-volume
    T-temp

    If you increase your pressure you increase your volume of gas
     
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