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Mixture of three gases

  1. Aug 6, 2013 #1
    1. A rigid container is filled with a mixture of three gases: A, B and C. the pressure gauge reads P[T]. The container is evacuated and fill with an amount of gas A equal to that in the original mixture. The gauge now reads P[A]. This process is repeated for gases B and C with the pressure gauge reading P and P[C]? What assumptions are made?



    2. PV=mRT



    3. The gases are related by the volume because they might have different pressures, temperatures and mass.
     
  2. jcsd
  3. Aug 7, 2013 #2

    mfb

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    I don't see any assumptions made (apart from "the container is filled with gas 4 times"), as there is no analysis described.
    I guess an analysis will assume that volume is constant, and it might be a reasonable assumption that all gases are ideal.

    What is the unit for "amount of gas" to compare different gases?
     
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