A system absorb \( 10 \mathrm{~kJ} \) of heat at constant volume and its temperature rises from ....

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A system absorb \( 10 \mathrm{~kJ} \) of heat at constant volume and its temperature rises from \( 270^{\circ} \mathrm{C} \) to \( 370^{\circ} \mathrm{C} \). The
\( \mathrm{P} \)
value of \( \Delta \mathrm{U} \) is
W
(1) \( 100 \mathrm{~kJ} \)
(2) \( 1 \mathrm{~kJ} \)
(3) \( 0 \mathrm{~kJ} \)
(4) \( 10 \mathrm{~kJ} \)


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