Homework Help: phy

Posted by christ on Thursday, January 24, 2013 at 10:14pm.

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 - Elena, Friday, January 25, 2013 at 6:29am
ΔS =ΔQ/T= cmΔT/T =
=600•0.5•280/20=4200 J/K
phy - Ugonnia, Thursday, February 14, 2013 at 9:58am
122.3J/k

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