In November 2024
Answer to Question #252696 in Physical Chemistry for Vada
The enthalpy changes of CO2(g) and H2O(l) under standard conditions are 394.65 kJ/mol and 285.84 kJ/mol, respectively. If the enthalpy change of combustion of acetaldehyde (CH3CHO) is 1167.62 kJ/mol, find its standard enthalpy change of formation, o Hf .
The standard internal energy change will be −782.5kJ/mol
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