Activation Energy and Catalyst

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

Tags

NGSS.HS-PS1-5

Catalysts permit reactions to proceed along a ___________energy path.

• lower
• higher

A catalyst increases the efficiency of collisions between reactants.

• true
• false

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

• Disappears

Tags

NGSS.HS-PS1-5

How does a catalyst work in speeding up a reaction?

• By lowering the activation energy or reaction

• 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

A catalyst changes the mechanism of the reaction

• True

• False