14.1 The Progress of Chemical Reactions

The energy needed for products to be formed

The energy needed to break products into reactants

The minimum energy needed for products to make reactants

The minimum energy needed by reactants for bonds to be broken and new bonds to form for products to be created

A

B

C

D

A

B

C

D

A

B

C

D

Slow collision frequency

Allow less effective collision between the particles

Cause particles to lose speed

Increase collision between the particles thus increasing the rate.

A

B

C

D

increasing temperature

increasing concentration

increasing surface area

all of these

A reaction progress curve

A reaction heating curve.

A reaction cooling curve

True

False

True

False

True

False

By giving them more energy

By lowering the activation energy or reaction

By making them more available

Chemical Energy

Kinetic Energy

Activation Energy

Potential Energy

true

false

Biology

Catalyst

Chemical

Enzyme

red

blue

Increases

Decreases

Does not change

lower

higher