dmcgu003 dmcgu003 07-04-2024 Chemistry contestada What is the enthalpy change for the first reaction? CH4(g) 1/2O2(g) → CH3OH(g) ΔH = CH4(g) 2O2(g) → CO2(g) 2H2O(g) ΔH = -808.1 CH3OH(g) 3/2 O2 (g) → CO2(g) 2H2O(g) ΔH = -672