Answer to Question #259109 in Physics for qtkosako

Question #259109

A sophomore with nothing better to do adds heat to 0.350 kg of ice at until it is all melted. What is the change in entropy of the water?

Expert's answer

The change in energy due to melting:

\delta Q=m\lambda=0.350(3.36·10^5)=117600\text{ J}.

The change in entropy:

\Delta S=\delta Q/T=117600/273=431\text{ J/K}.

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