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    Celsius and external pressure

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    What is the celsius temperature of 100.0g of chlorine gas in a 40.0L container at 800mm Hg?

    Calculate the work, w, done on the surroundings when a gas expands from 15L to 35L against a constant external pressure of 1.5 atm.[1L=101J].

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    Solution Preview

    1. Use ideal gas law:
    PV = nRT
    Molecular weight of Chlorine = 35.5*2 = 71 (g/mol)
    n = 100/71 = 1.41 ...

    Solution Summary

    The solution examines Celsius and external pressure.