C2.4 Rate Of Reaction Flashcards
1
Q
What’s rate?
A
Change/ time
2
Q
Effect of more surface area?
A
Faster
More collisions per unit time
3
Q
Effect of higher concentration?
A
Faster
More collisions per unit time
4
Q
Effect of higher temperature?
A
Faster
More collisions for unit time
More Ea
5
Q
What’s a catalyst?
A
Precious metals
6
Q
What do catalysts do?
A
Lower Ea
7
Q
Example of catalyst?
A
In cars
Transition metals
8
Q
Benefits of catalysts?
A
Cheaper Medicine Reduce co2 Faster No fossil fuels Reused
9
Q
Downfalls of catalysts?
A
Expensive
Can be toxic
10
Q
What’s collision theory?
A
Collide
With at least Ea
