How much will be \( \Delta U \) when a gas absorbs \( 28 \mathrm{~kJ} \) of heat and has \( 13 \mathrm{~kJ} \) of work is done on it?
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In this case, the gas absorbs \( 28 \mathrm{~kJ} \) of heat, so \( Q = 28 \mathrm{~kJ} \). The work is done on the gas, so the work is negative, \( W = -13 \mathrm{~kJ} \). Show more…
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