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14 June, 14:10

A sample of O2 occupies 75 L at 1 atm. If the volume of the

sample doubles, what is the new pressure of 02?

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Answers (1)
  1. 14 June, 14:39
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    Answer: 0.5 atm

    Explanation:

    O2 is the chemical formula for molecular oxygen.

    Given that,

    Original pressure of O2 (P1) = 1 atm

    Original volume of oxygen O2 (V1) = 75L

    New pressure of O2 (P2) = ?

    New volume of O2 (V2) = 2V1

    i. e (2 x 75L)

    = 150L

    Since pressure and volume are given while temperature is held constant, apply the formula for Boyle's law

    P1V1 = P2V2

    1 atm x 75L = P2 x 150L

    75 atm•L = 150L•P2

    Divide both sides by 150L to get P2

    75 atm•L / 150L = 150L•P2/150L

    0.5 atm = P2

    Thus, the new pressure of 02 is 0.5 atmosphere
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