Kinetics Check In

The minimum amount of energy needed for colliding particles to react is called the

• Chemical Energy

• Kinetic Energy

• Activation Energy

• Potential Energy

A substance that increases the rate of a reaction without being used up during the reaction is called a

• catalyst

• product

• reactant

• solute

What is the name given to a catalyst in the human body?

• Biology

• Catalyst

• Chemical

• Enzyme

When a catalyst is added to a reaction the rate of reaction,,,

• Increases

• Decreases

• Does not change

How does a catalyst work in speeding up a reaction?

• By lowering the activation energy

• by making them more available

• by giving them more energy

A catalyst increases the efficiency of collisions between reactants.

• true

• false

A catalyst

• is used up

• is never used up

What is collision theory?

• Molecules must collide in the correct orientation with enough energy to bond.

• Molecules need enough energy to collide and react.

• Atoms constantly collide and react.

• The minimum energy needed for atoms to react

Which PE Diagram represents an endothermic reaction?

• A

• B

Which PE Diagram represents an exothermic reaction?

• A

• B