GCSE Chemistry rates of reaction - catalysts - Phoenix Hoyle | Laabri

1

Mmuae Afoforo a Wobɛpaw:

frequency

collide

3

Mmuae Afoforo a Wobɛpaw:

volume

more

frequency

3

Mmuae Afoforo a Wobɛpaw:

volume

frequency

more

2

Mmuae Afoforo a Wobɛpaw:

area

increases

frequency

4

Mmuae Afoforo a Wobɛpaw:

frequently

quickly

increase

forcefully

3

Mmuae Afoforo a Wobɛpaw:

speeds

unchanged

1

Mmuae Afoforo a Wobɛpaw:

lower

alternative

5

1

Mmuae Afoforo a Wobɛpaw:

enzyme

lower

biological

higher

yeast

3

Mmuae Afoforo a Wobɛpaw:

200

450

iron

1

	Increases collision frequency	Increases the proportion of the collisions that exceed the activation energy
Concentration increase
Temperature increase
Adding a catalyst
Making solids finer grained

	Increases collision frequency	Increases the proportion of the collisions that exceed the activation energy
Concentration increase
Temperature increase
Adding a catalyst
Making solids finer grained