Calculate S for a process in which 4.50 moles of steam,

Calculate ∆S for a process in which 4.50 moles of steam, H2O(g), at 1.00 atm pressure, at 120.0 ̊C is cooled to –10.0 ̊C.
Molar Heat Capacity (J/mol·K)
H2O(g) 36.4
H2O(l) 75.3
H2O(s) 38.1
For H2O, ∆Hvap = 40.7 kJ/mol, ∆Hfus = 6.01 kJ/mol  

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