If 30 KJ of Heat Flows Out of a System

question 41

Multiple Choice

If 30 kJ of heat flows out of a system and 15 kJ of work is done by the system, then what is the change in internal energy?

• A) 85 kJ
• B) 45 kJ
• C) −45 kJ
• D) 15 kJ
• E) −15 kJ

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Definitions:

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