A 150. gram ice cube at zero degrees Celsius is melted and warmed to 20 degrees Celsius.

What is the change in entropy as a result of these two changes, the change of state and heating process?

- $L_{ f }=3.34\times { 10 }^{ 5 }\text{ J/kg }$
- $C =4186\frac { J }{ kg•C° } $
- $L_{ v }=2.26\times { 10 }^{ 6 }\text{ J/kg}$

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