Multiple Choice
A system is acted on by its surroundings in such a way that it receives 70 J of heat while simultaneously doing 40 J of work.What is its net change in internal energy?
A) 110 J
B) 30 J
C) zero
D) −30 J
E) −110 J
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q1: Which of the following increases the internal
Q13: A 1.0-kg chunk of ice at 0°C
Q18: A heat engine exhausts 3 200 J
Q44: The Carnot cycle consists of a combination
Q58: During each cycle of operation a refrigerator
Q61: A heat engine operating between a pair
Q62: A pound of body fat has an
Q64: System 1 is 3.1 moles of a
Q66: In which system is heat usually transferred
Q72: An adiabatic expansion refers to the fact