Answer to Question #250435 in Physical Chemistry for mickey

Question

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 à ƒ ¯  „Hf
.

Answer 1

Standard enthalpy change of formation=$-1,159.62kJ/mol$