Standard molar enthalpy of formation of is equal to :

CHEMISTRY · Single correct · A Level · Chemistry · Energetics · Energetics

Problem

Standard molar enthalpy of formation of

\text{CO}_2

is equal to : (1) zero (2) the standard molar enthalpy of combustion (3) the sum of standard molar enthalpies of formation of

\text{CO}

and

\text{O}_2

(4) the standard molar enthalpy of combustion of carbon (graphite)