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tigers4
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Homework Statement
a.) What is the entropy change of a 12.8 g ice cube that melts completely in a bucket of water whose temperature is just above the freezing point of water?
b.) What is the entropy change of a 18.1 g spoonful of water that evaporates completely on a hot plate whose temperature is slightly above the boiling point of water
Homework Equations
deltaS=Q/T
Q=nCv[tex]\DeltaT[/tex]
The Attempt at a Solution
deltaS=m*c*ln(Tf/Ti) but i don't know what Tf or Ti should be
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