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1 October, 02:10

If I have 7.5 L of a gas in a piston at a pressure of 1.75 atm and compress the gas until its volume is 3.7 L, what will the new pressure inside the

piston be?

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Answers (1)
  1. 1 October, 05:32
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    3.55atm

    Explanation:

    We will apply Boyle's law formula in solving this problem.

    P1V1 = P2V2

    And with values given in the question

    P1=initial pressure of gas = 1.75atm

    V1=initial volume of gas = 7.5L

    P2=final pressure of gas inside new piston in atm

    V2=final volume of gas = 3.7L

    We need to find the final pressure

    From the equation, P1V1 = P2V2,

    We make P2 subject

    P2 = (P1V1) / V2

    P2 = (1.75*7.5) / 3.7

    P2=3.55atm

    Therefore, the new pressure inside the piston is 3.55atm
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