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14 October, 11:55

A sample of gas occupies 6 ml at stp. at what pressure would this sample occupy 500 ml if the temperature is changed to 525◦c? answer in units of torr.

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  1. 14 October, 12:48
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    From the combined gas law

    that is P1V1/T1=P2V2/T2

    P2 is therefore T2P1V1/TIV2

    A gas at STP has a temperature of 273k and a pressure of 760torr

    P1=760torr

    T1=273K

    V1=6ml

    P2=?

    T2=525+273=798K

    V2=500ml

    P2 = { (798k x760 torr x 6ml) / (273k x500ml) } = 26.7 torr
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