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

Question

28 April, 02:36

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Answers (1)

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Cody Bird · Answer 1

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

A gas is allowed to expand, at constant temperature, from a volume of 1.0 L to 10.1 L against an external pressure of0.50 atm. If the gas absorbs 250 J of heat from the surroundings, what are the values of q, w, and a9AU