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A 1.2 kg sample of aluminum with a heat capacity of 921.1 J/(kgK) released 1450 joules of energy. If the final temperature was 250 K

A 1.2 kg sample of aluminum with a heat capacity of 921.1 J/(kgK) released 1450 joules of energy. If the final temperature was 250 K what was the initial temperature

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