The enthalpy of formation of gaseous carbon dioxide is −393.5 kJ/mol. What is the equation that represents the formation of gaseous carbon dioxide? ANSWER
a.Unselected C(s) + O2(g) → CO2(g)
b.Unselected CO(g) + ½ O2(g) → CO2(g)
c.Unselected CO2(s) → CO2(g)
d.Unselected 2 CO(g) + O2(g) → 2 CO2(g)