Consider the balanced equation
4nh3 + 3o2 --> 2n2 + 6h2o what is the mole ratio of nh3 to n2?
2: 4
4: 2
4: 4
7: 2

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

At element makes up all organic compounds?

The sum of the oxidation numbers in a neutral compound is always