Answer:
Because the molecules have not been in water so they are not moving around each other
Explanation:
I believe that the answer is 12 because there is already 3 O molecules and since its in parentheses with 3 outside it that means that there are 3 of those CO molecules meaning that for every 1 CO there will be 3 O’s so 3, four times Is 12
Answer: 
Explanation:
The unbalanced equation is

Balancing this equation, we get:
