The expanding ideal gas transferred 5 kJ of heat to the environment.
| December 21, 2020 | education
The expanding ideal gas transferred 5 kJ of heat to the environment. The internal energy of the gas decreased by 20 kJ. What work did the gas do?
Given:
Q = 5
dU = 20
Decision:
Q = dU + A,
where Q is the amount of heat, dU is the change in internal energy, A is the work
5 = -20 + A
5 + 20 = A
25 = A
Answer: A = 25kJ
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