Which of these reactions below is a correctly written standard formation reaction? For help in identifying standard states, visit our Thermodynamic Data Table here O 2Fe (s) + 1.502 (g) → Fe2O3 (s) O c (diamonds) + 2H2 (g) → CH4 (g) 2H2 (g) + O2(g) → 2H2O (1) O CH4 (g) + 202 (g) → CO2 (g) + 2H20 (1)
