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12 July, 23:51

3. The volume of a gas is reduced from 4 L to 0.5 L while the temperature is held

constant. How does the gas pressure change?

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Answers (1)
  1. 13 July, 00:18
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    The new pressure is 8 times the original pressure.

    Explanation:

    Data obtained from the question include:

    Initial volume (V1) = 4L

    Final volume (V2) = 0.5L

    Initial pressure (P1) = P

    Final pressure (P2) = ... ?

    The new pressure can be obtained by using the Boyle's law as shown below:

    P1V1 = P2V2

    P x 4 = P2 x 0.5

    Divide both side by 0.5

    P2 = P x 4 / 0.5

    P2 = 8P

    Therefore, the new pressure is 8 times the original pressure.
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