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1 kg of water at 70 oC is poured into a 1 kg copper cup initially...

1 kg of water at 70 oC is poured into a 1 kg copper cup initially at 20 oC. The specific heat of copper is ccopper= 390 J/kgoC⋅ and that of water cwater= 4,186 J/kgoC. What will be the equilibrium temperature of the system? In the previous problem, how much heat will the cup receive during this process

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Answer #1

Heat received by cup = 1 kg * 390 J/kg°C * (65.74 - 20) °C

= 17838.6 J

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