Question: A foundry form box with 25 kg of 200C hot sand is dumped into a bucket with 50 L water at 15C. Assuming no heat

A foundry form box with 25 kg of 200°C hot sand is dumped into a bucket with 50 L water at 15°C. Assuming no heat transfer with the surroundings and no boiling away of liquid water, calculate the net entropy change for the process.

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