Multiple Choice
In a certain thermodynamic process,20 cal of heat are removed from a system and 30 cal of work are done on the system.The internal energy of the system
A) increases by 10 cal.
B) decreases by 10 cal.
C) increases by 50 cal.
D) decreases by 50 cal.
E) decreases by 20 cal.
Correct Answer:

Verified
Correct Answer:
Verified
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