The enthalpy of combustion of dimond and enthalpy of formation of carbon dioxide has the same value.

The enthalpy combustion of a substance

Standard enthalpy of formation is zero for

What is standard enthalpy of formation

Standard enthalpy of formation is non zero for

The standard enthalpy of formation of octane (C_(8)H_(18)) is -250kJ //mol . Calculate the enthalpy of combustion of C_(8)H_(18) . The enthalpy of formation of CO_(2)(g) and H_(2)O(l) are -394 kJ//mol and -286kJ//mol respectively.

Calculate the enthalpy of formation of aniline. The enthalpy of combustion of aniline is 837.5 kcal mol^(-1) . The enthalpies of formation of liquid water and gaseous carbon dioxide are -68.4 and -97.0kcal mol^(-1) respectively. All values are at 298 K .

If the enthalpy of formation of H_2O(l) is -x kj/mol and enthalpy of neutralization of HCl and NaOH is -y kj/mol then enthalpy of formation of OH^-1 ion (in kJ/mol) is

Assertion (A): The enthalpy of formation of HCI is equal to the bond energy of HCI . Reason (R ) : The enthalpy of formation and the bond enegry both involve formation of one mole of HCI from the elements.

For a reaction, C_((s))+O_(2(g))rarrCO_(2(g)) What is the relation between enthalpy of reaction (DeltaH_(r)), enthalpy of formation of CO_(2)(DeltaH_(f)) and enthalpy of combustion of carbon (DeltaH_("comb")) ?

The enthalpy of formation of H_(2)O(l) is -280.70 kJ/mol and enthalpy of neutralisation of a strong acid and strong base is -56.70 kJ/mol. What is the enthalpy of formation of OH^(-) ions?