Question

label balanced or unbalanced

N2 + H2 -> 2NH3
2C2H6 + 7O2 -> 4Co2 + 6H2O
4ZnS + 6O2 -> 4ZnO + 4SOs
2Fe2O3 + 3C -> Fe + 3CO2
C3H8 + 5O2 -> 3CO2 + 4H2O

Answer 1

[AI-generated answer — Bot GPT 3.5]

balanced

unbalanced
balanced
unbalanced
balanced