Answer:- 
Explanations:- Let's say the first molecule is A and the second molecule is B and the product molecule is C.
From given information, 2 molecules of A react with 3 molecules of B to produce 5 molecules of C.
We write the reactants on left side and the product on right side and there is an arrow between them from reactants towards the products.
So, the reaction could be represented as:

In my opinion I believe it would be motion because depending on how fast the person is going it would determine the outcome of the race
Answer:
The Sun, Earth, and the Moon form a night angle.
Explanation:
Answer:
C contains one N and three I atoms