Multiple Choice
An ideal gas is compressed isothermally from 30 L to 20 L. During this process, 6 J of energy is expended by the external mechanism that compressed the gas. What is the change of internal energy for this gas?
A) zero
B) -6 J
C) +12 J
D) -12 J
E) +6 J
Correct Answer:
Verified
Correct Answer:
Verified
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