Advanced science 7 grade 7.

can anyone me with this science question soon as possible? i want the correct answers.

consider the following chemical equation and then answer the questions below:

c3h8 + 5o2 > 3co2 + 4 h2o

1. how many carbon atoms are present on the reactant side?

2. how many hydrogen atoms are present on the product side?

3. how many carbon atoms are present on the product side?

4. how many oxygen atoms are present on the product side?

5. how many oxygen atoms are present on the reactant side?

6. is this chemical equation balanced?

7. how many hydrogen atoms are present on the reactant side?