Question

Choose all the answers that apply. Which of the following equations are balanced?

2H2 + O2 → 2H2O

2S + 3O2 → 2SO3

Li + Cl2 → LiCl

2K + 2H2O → H2 + 2KOH

2Fe + Cu(NO3)2 → 2Cu + Fe(NO3)2

Answer 1

2K + 2H2O = H2 + 2KOH

K-2

H-4

O-2