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

1

Drugi mogući odgovor:

frequency

collide

3

Drugi mogući odgovor:

volume

more

frequency

3

Drugi mogući odgovor:

volume

frequency

more

2

Drugi mogući odgovor:

area

increases

frequency

4

Drugi mogući odgovor:

frequently

quickly

increase

forcefully

3

Drugi mogući odgovor:

speeds

unchanged

1

Drugi mogući odgovor:

lower

alternative

5

1

Drugi mogući odgovor:

enzyme

lower

biological

higher

yeast

3

Drugi mogući odgovor:

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