Question: 2.5 () 5 The internal energy change in a system that has absorbed 2.1 kcal of heat and done 500J of work is ( cal

2.5 () 5 The internal energy change in a system that has absorbed 2.1 kcal of heat and done 500J of work is ( cal =4.184 J) ; A) 92861 B) 8868.J C) 7900J D) 8286J E) 7868J 8 C B D G thing E

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