Using the following equations, determine Δ Δ H (in kJ) for the following reaction: C3H8(g) + 5O2(g) → → 3CO2(g) + 4H2O(g) 3C(s) + 4H2(g) → → C3H8(g), Δ Δ H = -103.8 kJ C(s) + O2(g) → → CO2(g), Δ Δ H = -393.5 kJ H2(g) + 1/2O2(g) → → H2O(g) , Δ Δ H = -241.8 kJ