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12 June, 06:29

A sample of oxygen gas has a volume of 205 cm cubed when its temperature is 22.0 degrees C and its pressure is 30.8 kPa. What volume will the gas occupy at STP?

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  1. 12 June, 06:58
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    V2 = 57.67cm3

    Explanation:

    From the question

    P1 = 30.8, V1=205cm3, T1 = 22+273=295K, P2=101.325kPa, T2 = 273K, V2=?

    Applying

    P1V1/T1 = P2V2/T2

    Substitute and simplify

    (30.8*205) / 295 = (101.325*V2) / 273

    V2 = 57.67cm3
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