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Calculate the Change in Internal Energy (ΔU) for a System

Question 66

Multiple Choice

Calculate the change in internal energy (ΔU) for a system that is giving off 45.0 kJ of heat and is performing 855 J of work on the surroundings.


A) 44.1 kJ
B) -44.1 kJ
C) -45.9 kJ
D) 9.00 × 102 kJ
E) -9.00 × 102 kJ

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