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A 0.5kg piece of metal (c = 600/kgK) at 300 degree celcius is dumped into a large pool of water at 20 degrees celcius. Assuming the change in temperature of water to be negligible, calculate the overall change in entropy for the system

  • phy -

    ΔS =ΔQ/T= cmΔT/T =
    =600•0.5•280/20=4200 J/K

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