Question

This is balancing equations:
CH₄+O₂-------CO₂+H₂O
Na+I₂-------NaI

Answer 1

CH4+2O2-------CO2+2H2O

2NA+l2--------2NAl

Answer 2

Na+I₂-------NaI = 2 Nal.

CH₄+O₂-------CO₂+H₂O = 1 C atom, 4 H atoms, and 4 O atoms. (Possibly Wrong).

I think..

I am probrably wrong, hope this helps.