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Physics, 06.11.2021 01:00 emmilee94

If a system does 31.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change in the internal energy of the system, in kJ

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If a system does 31.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change...
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