## Question

###### Under certain circumstances; pure water can be superheated past the normal boiling point Calculate the change in molar entropy when water boils at 105 'C to form water vapour at the same temperature. Cpm HzO () = 75.3 J K-1 mol- ; Cpm HzO (g) 33.6 J K-1 mol-1; Avap H=40.656 kJ K-1 mol-1 at 373.15 K

Under certain circumstances; pure water can be superheated past the normal boiling point Calculate the change in molar entropy when water boils at 105 'C to form water vapour at the same temperature. Cpm HzO () = 75.3 J K-1 mol- ; Cpm HzO (g) 33.6 J K-1 mol-1; Avap H=40.656 kJ K-1 mol-1 at 373.15 K

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