Write out a balanced equation for reaction of solid zinc with hydrochloric acid (HCl(aq)). Indicate all states of matter in your equation.

Answer 1

zinc(S) + hydrochloric acid(aq) ==> zinc chloride(aq) + hydrogen(g)

Zn(s) + HCl(aq) ==> ZnCl2(aq) + H2(g)
Then balance.
Zn(s) + 2HCl(aq) ==> ZnCl2(aq) + H2(g)