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    danyzavala's Avatar
    danyzavala Posts: 5, Reputation: 1
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    #1

    May 18, 2009, 02:41 PM
    What is the new value of the temperature?
    A balloon having an initial temperature of 16.4C is heated so that the volume doubles while the pressure is kept fixed. What is the new value of the temperature?
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    May 18, 2009, 02:58 PM

    The general P,V,T equation (Boyles' + Charles' laws) can be written:




    In this case P1=P2 so this simplifies to



    Plug in the temperature (must be in Kelvins or Rankines -- the absolute temperature scale). You know that V2 = 2*V1 so replace V2 with that and solve for T2

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