a 25-kg block of copper at at initial temperature of, Mechanical Engineering

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a 25-kg block of copper at at initial temperature of

A 25-kg block of copper at at initial temperature of 150 C equilibrates with 0.79 kg of liquid water at an initial temperature of 20 C in an insulated tank. If the average specific heat of copper can be taken to be 0.395 kJ/kg.K, determine the final temperature

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