Unit 1 Topic 1 - Rates of Reaction Flashcards
1
Q
What 4 things can increase the rate of reaction
A
- Increasing Temperature
- Increasing Concentration
- Decreasing Particle Size
- Adding a catalyst
2
Q
Why does increasing temperature increase the rate of reaction
A
Particles have greater kinetic energy
3
Q
Why does increasing concentration increase the rate of reaction
A
More particles
4
Q
Why does decreasing particle size increase the rate of reaction
A
Increases the surface area
5
Q
What is a catalyst
A
Something that will increase the rate of reaction without being used up
6
Q
If 1g of a catalyst is used how much will be recovered
A
1g
7
Q
What is the formula for average rate of reaction
A
change in quantity/change in time
8
Q
Steeper the gradient
A
quicker the rate
9
Q
5cm3 of gas is produced in 1s what is the average rate of reaction
A
5cm3s-1
10
Q
Catalyst in industry
A
- Iron in the Haber
2 Platinum in the Otswald
