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The internal energy change in a system t...

The internal energy change in a system that has absorbed `2 kcal` of heat and done `500J` of work is

A

7900J

B

8900J

C

6400J

D

5400J

Text Solution

Verified by Experts

The correct Answer is:
A

`dU=Q-W=8400-500=7900J`
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