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23 February, 20:22

A sample of helium occupies 0.56 L at 988 mm Hg and 25 celsius. If the sample is transferred to a 1.0L flask at the same temperature, what will the gas pressure be in the new flask?

Solve using Boyle's Law

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Answers (1)
  1. 23 February, 20:43
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    Answer;

    = 553.28 mmHg

    Explanation;

    According Boyle's the volume of a fixed mass of a gas is inversely proportional to pressure at constant temperature.

    P1V1 = P2V2

    P1 = 988 mmHg

    V2 = 0.56 L

    V2 = 1.0 L

    P2 = ?

    P2 = P1V1/V2

    = (988 * 0.56) / 1

    = 553.28 mmHg
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