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Chemistry, 02.12.2019 23:30 martinbricein10

If a system has 2.00 × 10 2 kcal 2.00×102 kcal of work done to it, and releases 5.00 × 10 2 kj 5.00×102 kj of heat into its surroundings, what is the change in internal energy of the system?

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