5.11 Catalysis

Multiple Choice

Which is true of transition states or activated complexes?

• They have bonds which are breaking and forming simultaneously.

• They are lower energy than the reactants or products.

• They are Exothermic.

• They are products.

Multiple Choice

Helps to explain why temperature and numbers of reactants have a strong effect on reaction rates.

• Activated Complexes

• Transition States

• Collision Model

• Rate Laws

Multiple Choice

One step in a reaction mechanism is called...

• overall reaction

• elementary step

• middle step

• slow step

Multiple Choice

When reactants are lower energy than the products the reaction is called ...

• endothermic

• exothermic

Multiple Choice

The rate law of a first order reaction looks like...

• Rate = k[A][A]

• Rate = k[A]

• Rate = k

Multiple Choice

A very specific set of steps which describe exactly how a reaction happens...

• Rate

• Rate Law

• Mechanism

• Overall Reaction