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A 95.1-g ice cube is initially at 0.0°C.

(a) Find the change in entropy of the cube after it melts completely at 0.0°C. Hint: The latent heat of fusion for water is 3.33 105 J/kg. answer in J/kg

(b) What is the change in entropy of the environment in this process? answer in J/kg

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  1. Q=r•m
    ΔS=Q/T₀=r•m/T₀=333•10⁵•0.0951/273=1.16•10⁴ J/K
    If environment temperature is T,
    ΔS= - Q/T= - 333•10⁵•0.0951/T= …

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