Reaction Kinetics

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Catalyst: A substance that speeds up a reaction by lowering activation energy

Enzyme: A large molecule (usually a protein) that catalyzes biological reactions.

Homogeneous catalyst: Present in the same phase as the reacting molecules.

Heterogeneous catalyst: Present in a different phase than the reacting molecules.

Slide 12

Endothermic Reaction w/Catalyst

Slide 13

Exothermic Reaction w/Catalyst