brysoncgibbs brysoncgibbs 19-04-2017 Biology contestada Which of the following equations is balanced correctly? I. 2 Ag2O → 4 Ag + O2 II. Cu + H2O → CuO + H2 III. Zn + HCl → ZnCl2 + H2 IV. 2 C4H10 + 13 O2 → 8 CO2 + 10 H2O