Suppose You Do 75 KJ of Work on a System

question 53

Multiple Choice

Suppose you do 75 kJ of work on a system consisting of 10 kg of water by stirring it with a paddle wheel. During this process, 40 kcal of heat is removed. The change in the internal energy of the system is

• A) -92 kJ.
• B) -115 kJ.
• C) -134 kJ.
• D) -242 kJ.
• E) -156 kJ.

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