physics

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(a) How much heat (J) flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium?

(b) What is the change(J/K) in entropy due to this heat transfer?

(c) How much work (J) is made unavailable, taking the lowest temperature to be 18°C?

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