Question

Use 333.6 J/g and 2256.7 J/g as the latent heats of fusion and vaporization of water at the normal melting

and boiling points, CP = 4.19 J g −1 K

−1

for liquid water,  = 0.917 g/cm3

for ice at 0°C and 1 atm,  = 1.000

g/cm3

and 0.958 g/cm3

for water at 1 atm and 0°C and 100°C, respectively.

Calculate q, w, U, H, Δ and Δ for

(a) the melting of 1 mol of ice at 0°C and 1 atm;

(b) the reversible constant-pressure heating of 1 mol of liquid water from 0°C to 100°C at 1 atm;

(c) the vaporization of 1 mol of water at 100°C and 1 atm.

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Answer 1

Answer:

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