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13 April, 01:19

If a sample of helium gas has a volume of 200.0mL at. 960 atm, what will the pressure be if the volume is reduced to 50.0mL (temperature and number of gas molecules remain constant) ?

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  1. 13 April, 03:46
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    In order to calculate the pressure after the change in volume has occurred, we may apply Boyle's law, which states that the pressure of a fixed amount of gas at a constant temperature is inversely proportional to the volume of the gas. Therefore,

    PV = constant

    200 x 0.96 = 50 x P

    P = (200 * 0.96) / 50

    P = 3.84 atm
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