Question

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

Answer 1

plz help

Answer 2

i think the question is supposed to which equation is NOT balanced correctly because all the equations are balanced except for the 3rd equation...

Answer 3

I, II and IV are balanced correctly