Suppose You Do 75 KJ of Work on a System

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