In the combustion reaction CH4(g) + 2 O2(g) → CO2(g) + 2 H2O… Questions In the cоmbustiоn reаctiоn CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l) ΔH = –890 kJ How much heаt (kJ) is releаsed when 1.70 g of CH4 burns? Show Answer Hide Answer 50: Show Answer Hide Answer 3: Show Answer Hide Answer