Question

In which chemical equation is the number of atoms in the reactants the same as the number of atoms in the products?(1 point)
Responses

CH4 + O2 → CO2 + 2H2O
CH, 4, + O, 2, → CO, 2, + 2H, 2, O

CO2 + H2O → CH2OH + O2
CO, 2, + H, 2, O → CH, 2, OH + O, 2

Zn + 2HCl → H2 + ZnCl2
Zn + 2HCl → H, 2, + ZnCl, 2

Li2CO3 → LiO + CO2
Li, 2, CO, 3, → LiO + CO, 2

Answer 1

Zn + 2HCl → H2 + ZnCl2
1 Zn
2 H
2 Cl