Chemistry 6.1.7

Question 1

What are ‘Catalysts’?

Answer 1

Catalysts are Substances which Speed Up the Rate of a Reaction without themselves being Altered or Consumed in the Reaction. They Speed up Reactions by Providing an Alternate Pathway, with a Lower Activation Energy.

Question 2

The Mass of a Catalyst at the Beginning & End of a Reaction is the ___, & they do not Form part of the ___.

Answer 2

Same, Equation.

Question 3

How do Catalysts Work?

Answer 3

They Provide an Alternate Pathway for the Reaction to Occur, that has a Lower Activation Energy, so it is Easier for Collisions to Occur between the Reactants.