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Help with Thermodynamcis

  1. Feb 5, 2008 #1
    1. The problem statement, all variables and given/known data
    A gas is compressed at a constant pressure of 0.800 atn from 12.00 L to 3.00 L. In the process, 420 J of energy leaves the gaas by heat.

    a) What is the work done on the gas?

    b) what is the change in its internal energy?


    2. Relevant equations
    1atm = 1.0135e5 N/m^2
    1Pa = 1 N/m^2


    3. The attempt at a solution
     
  2. jcsd
  3. Feb 5, 2008 #2

    Hootenanny

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    ...?
     
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