Suppose You Do 75 KJ of Work on a System

question 2

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)-35 kJ
• B)-115 kJ
• C)-134 kJ
• D)-242 kJ
• E)-156 kJ

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