Rates Of Reactions

Question 1

What are the 4 main variables which affect the rate of reaction

Answer 1

• temperature
• concentration
• particle size
• use of catylist

Question 2

For a reaction to happen particles must …

Answer 2

Particles must collide with enough energy

Question 3

Changing the 4 variables either makes …

Answer 3

More collisions or increases the energy

Question 4

Particle size - the ____ the particle size, the ____ the reaction

Answer 4

Smaller, faster

Question 5

Concentration - the ____ the concentration, the _____ faster the reaction

Answer 5

Higher, faster

Question 6

What is the equation for the rate of reaction?

Answer 6

Change in measurable quantity
________________________________
Change in time

Question 7

Temperature- as temp _________ so does the ________

Answer 7

Increases, rate of reaction

Question 8

Catylists - catylists ______ the rate of reaction

Answer 8

Increase

Question 9

What do catalysts not do?

Answer 9

They dont change the frequency of collisions just the frequency of successful collisions