c6 rate and extent of chemical change (paper 2)

Rate of Reaction

rate of reaction = how fast the reactants are changed into products 

examples of slow reactions = rusting of iron, chemical weathering

examples of fast reactions = burning, explosions 

BOTTOM LINE = origional reaction

SECOND LINE = faster reaction 

THIRD LINE = much faster reaction 

TOP LINE = faster and more reactants 

steeper = faster

flat line = finished 

particles must collide in order to react 

factors affecting collision theory = 

- frequency of collisions with particles 

- amount of energy transferred

rate of reaction depends on:

- temperature 

- concentration 

- surface area 

- catalyst 

increasing the temperature

• more collisions 
• more energy 
• particles move…