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12 February, 23:05

A balloon is filled with 100 L of air at a pressure of 5 atm. What is the pressure of the balloon if the volume is changed to 20 L?

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  1. 12 February, 23:56
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    Answer: 25 atm

    Explanation: Use Boyle's Law for this: P1V1=P2V2

    P1 = 5 atm

    V1 = 100 L

    P2=?

    V2 = 20 L

    Replace the letters in your formula with the numbers:

    (5) (100) = (P2) (20)

    500=20P2

    Divide by 20 on both sides

    P2=25 atm
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