The internal energy change in a system that has \( \mathrm{P} \) ab...

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The internal energy change in a system that has
\( \mathrm{P} \) absorbed \( 2 \mathrm{kcal} \) of heat and done \( 500 \mathrm{~J} \) of work is

W
(a) \( 6400 \mathrm{~J} \)
(b) \( 5400 \mathrm{~J} \)
(c) \( 7900 \mathrm{~J} \)
(d) \( 8900 \mathrm{~J} \)
\( (2009) \)
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