Calculate the approximate value for ΔH using bond energies for the following reaction CH₄(g) + 2 O₂(g) -> CO₂(g) + 2 H₂O(g). Which of the following options is the correct expression for the calculation of ΔH using bond energies?
a) ΔH = Energy of bonds broken - Energy of bonds formed
b) ΔH = Energy of bonds formed - Energy of bonds broken
c) ΔH = Energy of bonds broken + Energy of bonds formed
d) ΔH = Energy of bonds formed + Energy of bonds broken