Identify the equation(s) that is/are not balanced.

Question

Part: 0 / 3

Part 1 of 3

Check all that apply.

2K(s) + O2(g) + K2O (s)
2HCl(aq) + Ni(s) -+ NiCl2(aq) + H2 (g)
TiCl4(1)+ 2H2O(1) -+ TiO2(s) + HCI (aq)

None of the above

X

Part: 1 / 3

Part 2 of 3

Change the coefficient(s) to correctly balance the unbalanced equation.

2K(s)+ 02(g)-+ 2K2O(s)

Answer 1

This equation is already balanced.