Given standard enthalpy of formation of `CO(-110 "KJ mol"^(-1))` and `CO_(2)(-394 "KJ mol"^(-1))`. The heat of combustion when one mole of graphite burns is

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

The standard enthalpy of formation of hypothetical MgCl is -125kJ mol^(-1) and for MgCl_(2) is -642 kJ mol^(-1) . What is the enthalpy of the disproportionation of MgCl ?

The standard enthalpy of formation of hypothetical MgCl is -125kJ mol^(-1) and for MgCl_(2) is -642 kJ mol^(-1) . What is the enthalpy of the disproportionation of MgCl ?

The standard enthalpies of formation of H_(2)O(l) and CO_(2)(g) are respectively -286" kJ mol"^(-1) and -394" kJ mol"^(-1) . If the standard heat of combustion of CH_(4)(g)" is "-891" kJ mol"^(-1) , then the standard enthalpy of formation of CH_(4)(g) is

One mole of ethanol is produced reacting graphite , H_2 and O_2 together . The standard enthalpy of formation is -277.7 " kJ mol"^(-1) Calculate the standard enthalpy of the reaction when 4 moles of graphite is involved.

One mole of ethanol is produced reacting graphite , H_2 and O_2 together . The standard enthalpy of formation is -277.7 " kJ mol"^(-1) Calculate the standard enthalpy of the reaction when 4 moles of graphite is involved.

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?