The standard enthalpy of formation of gaseous H20 at 298 K is -241.82 kJ/mol. V heat capacities at constant pressure?

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QUESTION 24
The standard enthalpy of formation of gaseous H20 at 298 K is -241.82 kJ/mol. What is the AH at 373 K given the following values of the molar
heat capacities at constant pressure?
H20(g) = 33.58 J K-1 mol-1; H2(g) = 29.84 J K-1 mor1; 02(g) = 29.37 J K-1 mol"1
H2(g) + % 02(g) – H20(g)
O -121.3 kJ/mol
-485.2 kJ/mol
-286.4 kJ/mol
O -242.6 kJ/mol
Transcribed Image Text:QUESTION 24 The standard enthalpy of formation of gaseous H20 at 298 K is -241.82 kJ/mol. What is the AH at 373 K given the following values of the molar heat capacities at constant pressure? H20(g) = 33.58 J K-1 mol-1; H2(g) = 29.84 J K-1 mor1; 02(g) = 29.37 J K-1 mol"1 H2(g) + % 02(g) – H20(g) O -121.3 kJ/mol -485.2 kJ/mol -286.4 kJ/mol O -242.6 kJ/mol
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