Question

What role does the spark from the igniter play in the reaction that takes place when propane is burned in a gas grill?

a
The spark provides enough energy to break the bonds of the product molecules and get the reaction started.
b
The spark provides enough energy to stop the reaction.
c
The spark provides enough energy to break the bonds of the reacting molecules and get the reaction started.
d
The spark cools down the reaction.

Answer 1

A because the spark is the catalyst for the reaxtion.

Answer 2

The spark provides enough energy to break the bonds of reacting molecules and get the reaction started.