Calculate the change in enthalpy (in kJ per mole of CO2) for the decomposition of sodium hydrogen ca — Thermodynamics Chemistry Question

Calculate the change in enthalpy (in kJ per mole of CO₂) for the decomposition of sodium hydrogen carbonate from the standard enthalpies of formation:
2 NaHCO₃(s) → Na₂CO₃(s) + H₂O(g) + CO₂(g)