Question #175052
26-30. The internal energy of a system increases by 20 J and the quantity of work done on a system is 50 J. Is the heat absorbed or given off? By how much?
Expert's answer
∆U = Q+ W
Increase = 20
W = -50
20 = q -50
Q = 20+50
= 70
The heat is absorbed
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#339914 on Dec 2023
#339914 on Dec 2023
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