The standard enthalpies of formation of `CO_(2)(g)` and HCOOH (l) are `-393.7 kJ"mol"^(-1)` and `-409.2 kJ"mol"^(-1)` respectively. Which of the following statements are correct?

The standard enthalpies of formation of CO_(2) gas and HCOOH_((l)) are -393.7 kJ mol^(-1) and -409.2 kJ mol^(-1) respectively. Which of the following are correct?

The standard enthalpies of formation of CO_2(g) and HCOOH(l) are -393.7 kJmol^-1 and -409.2 kJmol^-1 respectively. Which of the following statements are correct?

The combustion of butane (C_(4)H_(10)) is exothermic by 2878.7 kJ "mol"^(-1) .Calculate the standard enthalpy of formation of butane given that the standard enthalpies of formation of CO_(2)(g) and H_(2)O(l) are -393.5 kJ "mol"^(-1) and -285.8 kJ "mol"^(-1) respectively.

Enthalpy of formation of HF and HCI are -161 kJ mol^-1 and -92kJ mol^-1 respectively. Which of the following statements is incorrect?

The enthalpies of formation of CO and CO_(2) are -110.5 KJ mol^(-1) and -393.5 KJ mol^(-1) respectively. The enthalpy of combustion of carbon monoxide is

If the standard molar enthalpy of formation of SO _(2 (g)) and SO _(3(g)) is - 296 . 82 kJ mol ^(-1) and -395 . 72 kJ mol ^(-1) respectively, then enthalpy change for the reaction in kJ mol ^(-1) , SO _(2 (g)) + (1)/(2) O _(2 (g)) to SO _(3(g)) , is

The standard enthalpics of formation of CO,NO_(2) and CO_(2) are 110.5 KJ mol^(-1), -33.2 KJ mol^(-1) and -393.5 KJ mol^(1) respectively. The standard enthalpy of the reaction 4CO(g)+2NO_(2)(g)to4CO_(2)(g)+N_(2(g))+N_(2(g)) is

The standard enthalpics of formation of CO,NO_(2) and CO_(2) are 110.5 KJ mol^(-1), -33.2 KJ mol^(-1) and -393.5 KJ mol^(1) respectively. The standard enthalpy of the reaction 4CO(g)+2NO_(2)(g)to4CO_(2)(g)+N_(2(g)) is