The internal energy change in a system that has absorbed $2\, k\,cals$ of heat and done $500\, J$ of work is ...... $J$
The internal energy change in a system that has absorbed $2\, k\,cals$ of heat and done $500\, J$ of work is ...... $J$
- A
$6400$
- B
$5400$
- C
$7900$
- D
$8900$
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