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14 August, 11:18

A balloon contains 5L of oxygen at a pressure of 90 kPa. How much oxygen will the ballon contain if the pressure is lowered to 67 kPa.

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  1. 14 August, 11:42
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    1 - According to this formula:

    P1V1 = P2V2

    2-By converting P from KPa to atm:

    1 KPa = 0.00986923267 atm

    So,

    P1 = 0.888231 atm

    P2 = 0.661239 atm

    by substitution on the previous formula:

    P1V1 = P2V2

    0.888231 x 5 = 0.661239 x V2

    So,

    V2 (for the oxygen will the ballon contain) = 6.7 L
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