thermodynamics, Chemistry

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Ask question #Minimu1. A laboratory animal exercised on a treadmill that was connected to a weight with a mass of
250. g through a pulley. The work done by the animal raised the weight through 1.32 m. At the
same time the animal gave off 8.0 J of energy as heat. Disregarding any other losses and treating
the animal as a closed system, what was the change in internal energy of the animal?m 100 words accepted#

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