Calculate the change in entropy of the universe if 0.3 kg of water at 70°C is mixed with 0.2 kg of water at 15°C in a thermally insulated container. The specific heat of water is 4186 J/kg•K.

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Calculate the change in entropy of the universe if 0.3 kg of water at 70°C is mixed
with 0.2 kg of water at 15°C in a thermally insulated container. The specific heat of
water is 4186 J/kg·K.
Transcribed Image Text:Calculate the change in entropy of the universe if 0.3 kg of water at 70°C is mixed with 0.2 kg of water at 15°C in a thermally insulated container. The specific heat of water is 4186 J/kg·K.
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