In each of the following situations, find the change in internal energy of the system. (a) A
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In each of the following situations, find the change in internal energy of the system.
(a) A system absorbs 500 cal of heat and at the same time does 400 J of work.
(b) A system absorbs 300 cal and at the same time 420 J of work is done on it.
(c) Twelve hundred calories are removed from a gas held at constant volume. Give your answers in kilojoules.
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a U Q W 500 cal4184 Jcal 400 J 169 kJ b U Q W 300 cal418...View the full answer
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