Data: Standard molar enthalpy of melting of ice at 273 K: AmeltH (H₂O, 273 K) = 6.02 kJ mol-¹ Average values of the specific heat capacities at constant pressure P° = 1 bar: Cp (H₂O; s) = 37.6 J K-¹ mol-¹ Cp (H₂O; 1) = 75.2 J K-¹ mol-¹ Calculate the standard molar enthalpy of freezing of supercooled water at 268 K: AfreezH°(H₂O; 268 K). Water is supercooled water when it is liquid at T < Tmelt.

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Water freezing
Data:
Standard molar enthalpy of melting of ice at 273 K:
AmeltH°(H2O, 273 K) = 6.02 kJ mol-
%3D
Average values of the specific heat capacities at constant pressure P° = 1 bar:
Cp (H2O; s) = 37.6 J K-' mol-!
Cp (H2O; 1) = 75.2 J K-' mol!
Calculate the standard molar enthalpy of freezing of supercooled water at 268 K:
AfreezH°(H2O; 268 K). Water is supercooled water when it is liquid at T < Tmelt-
Transcribed Image Text:Water freezing Data: Standard molar enthalpy of melting of ice at 273 K: AmeltH°(H2O, 273 K) = 6.02 kJ mol- %3D Average values of the specific heat capacities at constant pressure P° = 1 bar: Cp (H2O; s) = 37.6 J K-' mol-! Cp (H2O; 1) = 75.2 J K-' mol! Calculate the standard molar enthalpy of freezing of supercooled water at 268 K: AfreezH°(H2O; 268 K). Water is supercooled water when it is liquid at T < Tmelt-
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