corderoethan1p42g6a corderoethan1p42g6a 21-12-2018 Chemistry contestada Which equation is NOT balanced? a. 2H2 + O2 → 2H2O c. Fe2O3 + 3H2 → 2Fe + 3H2O b. 4NH3 + 5O2 → 4NO + 6H2O d. 3H2 + 2O2 → 2H3O