Catalyst

Explain the meaning of the term catalyst

Speeds up a chemical reaction, remains unchanged at the end of the reaction.[cite: 20]

Explain the term homogeneous catalyst

Catalyst has same state symbol as reactants and products.[cite: 20]

Explain the term heterogeneous catalyst

Catalyst has different state symbol as reactants and products.[cite: 20]

Explain how a catalyst works

Catalyst provides alternative reaction pathway with lower activation energy; greater proportion of particles have energy above activation energy; increased frequency of collisions; increased rate of reaction.[cite: 20]

What are the advantages of a catalyst

Reaction takes place at lower temperatures with lower energy demand so less carbon dioxide is emitted into atmosphere.[cite: 20]