The internal energy change in a system that has absorbed 2 kcal of heat and done 500 
ofwork is
A
6400 
B
5400 
C
7900 
D
8900 
Text Solution
Verified by ExpertsThe correct answer is:
C
Heat energy given 
where 
is the change in internal energy and 
is the
work done.
Given 
kcal 
and 
J.
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