Balancing equations review

Front

The _______ are new substances that are created following a chemical reaction.

Back

Products

Front

The _________________ are either elements or compounds which are present prior to a chemical reaction.

Back

reactants

Front

The large number before a molecule is called a _______________

Back

coefficient

Front

How many molecules of CO2 molecules are present?

Back

6

Front

Is this equation balanced?

Back

no

Front

Is this equation balanced?

Back

Yes

Front

Which number should go in the blank?
_ H₂ + O₂ -> 2 H₂O

Back

2

Front

Is the following equation balanced or unbalanced? N₂ + 3 H₂ --> 2NH₃

Back

Balanced

Front

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Back

the mass is the same

Front

In the following chemical equation: FeO + CO --> Fe + CO₂, which compound(s) are the products?

Back

Fe and CO₂