C3 Revision

C3 Revision

1. methods of measuring reaction rate

   • measure the rate at which a reactant is used up
     • measure the rate at which a product is formed

2. collision theory

   • for a chemical reaction to happen the reactant particles must collide
     • collisions with too little energy wont create a reaction

3. temperature and reaction rate

   • the reactant particles move more quickly
     • they have more energy
       • the particles collide more often
         • the rate of reaction increases

4. concentration and reaction rate

   • the reactant particles become more crowded
     • there is a greater chance of the particles colliding
       • the rate of reaction increases