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Ideal gas laws dealing with pressure volume and temp.

  1. Oct 15, 2013 #1
    1. The problem statement, all variables and given/known data

    An ideal gas has the following initial conditions: Vi = 520 cm3, Pi = 3 atm, and Ti = 100°C. What is its final temperature if the pressure is reduced to 1 atm and the volume expands to 1000 cm3?

    2. Relevant equations
    I used the equation p1 x v1 / t1 = p2 x v2 / t2


    3. The attempt at a solution
    3atm x 5.2 m^3 / 100 C = .156
    .156 = 1atm x 10 m^3 / T
    T= 64.1 C.
    This answer was incorrect and I'm wondering if someone could point me in the right direction?? Thanks!!
     
  2. jcsd
  3. Oct 15, 2013 #2

    SteamKing

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    Staff Emeritus
    Science Advisor
    Homework Helper

    First of all, you ALWAYS use absolute temperatures with gas law equations.
     
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