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Physics, 14.06.2021 09:50 starpie0710
What is the change in internal energy if 70 J of heat is added to a system and
the system does 30 J of work on the surroundings. Uze al-Q-W.
O A. 40 J
O B. -40.3
O C. 100.
D. -1003
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What is the change in internal energy if 70 J of heat is added to a system and
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