Question

Use the References to access important values if needed for this question. A gas expands and does 121 J of work on the surrou(please bold or circle the answer that I need to input)

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Answer #1

W = -121 J
Negative because work is done by the gas

Q = +257 J
Positive because system absorbs heat

Use:
Delta E = Q + W
= 257 J - 121 J
= 136 J

Answer: 136 J

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