1) Complete the symbol equation by adding the missing product: C7H16 -> C3H8 +

2) Complete the symbol equation by adding the missing product:
C10H22 -> C5H10 +

1)

2)

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The process of converting long chain hydrocarbons are broken into smaller hydrocarbons is called as cracking.

1)

2)

quartz

explanation: