Consider the equation:

Question

CH4+O2→2H2O+CO2

Which element or elements are unbalanced in this equation?

Responses

Both Hand Oare unbalanced.
Both , uppercase H, and , uppercase O, are unbalanced.

Only the His unbalanced.
Only the , uppercase H, is unbalanced.

Only the Ois unbalanced.
Only the , uppercase O, is unbalanced.

C, H, and Oare all unbalanced.

Answer 1

Both , uppercase H, and , uppercase O, are unbalanced.