What change in entropy occurs when a
27.0g ice cube at –12°C is
transformed into steam at 115°C?

specific
heat of ice: 2090 J/kg.°C

specific
heat of water: 4186 J/kg.°C

specific
heat of steam: 2010 J/kg.°C

L_{f}
= 3.33´10^{5}
J/kg and L_{v} = 2.26´10^{6}
J/kg