Question

20)
Which of the these is a balanced chemical equation?
A)
CO(g) + O2(g) → CO2(g)
B)
CO(g) + 2O2(g) → 2CO2(g)
C)
2CO(g) + O2(g) → 2CO2(g)
D)
2CO(g) + 2O2(g) → 2CO2(g)

Answer 1

C) 2CO(g) + O2(g) → 2CO2(g)
This is the only one where you have 2 carbons on the left and 4 oxygens on the left. Then on the right side you have the same

Answer 2

yup (c) is the correct answer!!