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27 April, 02:53

3. The temperature of a fixed mass of gas in a rigid container is decreased from 127.00 degrees

Celsius to 27.0 degrees Celsius. The initial pressure was 1000. mmHg. What is the new

pressure, in mmHg, after cooling?

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Answers (1)
  1. 27 April, 03:35
    0
    750mmHg

    Explanation:

    The following data were obtained from the question:

    T1 = 127°C = 127 + 273 = 400K

    T2 = 27°C = 27 + 273 = 300K

    P1 = 1000mmHg

    P2 = ?

    P1/T1 = P2/T2

    1000/400 = P2 / 300

    Cross multiply

    400 x P2 = 1000 x 300

    Divide both side by 400

    P2 = (1000 x 300) / 400

    P2 = 750mmHg

    Therefore, the new pressure after cooling is 750mmHg
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