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21 August, 07:26

A gas is allowed to expand, at constant temperature, from a volume of 1.0 L to 10.1 L against an external pressure of

0.50 atm. If the gas absorbs 250 J of heat from the surroundings, what are the values of q, w, and a

9

AU

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Answers (1)
  1. 21 August, 09:47
    0
    Answer: A

    Explanation:

    q=heat absorbed=+250J

    W=-PΔV=-0.5atm * (10-1)

    =-4.5L-atm

    =-4.5*101J=-454.5J

    Now q=ΔE-W

    ΔE=q+W=250-454.5

    =-204.5J
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