Rates

4. In an …………… reaction, the reactants have less enthalpy than the products.
8. A factor that affects the rate of all reactions.
9. (8,7) A graph showing the enthalpies of reactants and products over the course of a reaction.
11. Factor affecting rate of reaction when gases are involved.
12. A factor that affects the rate of reaction in a solution.
13. The more of these happen, the greater the rate of a reaction.
14. A soluble catalyst that catalyses a reaction in a solution.

1. In a concentration vs. time graph, the ………. represents the rate of reaction.
2. when the pressure increases in a reacting gas mixture, the rate of reaction ………….
3. When the 8 across increases, the rate of reaction increases mainly because the number of ………. collisions per second increases.
5. He invented a distribution curve to analyse factors affecting the rate of reaction.
6. ………………energy the minimum energy that particles must have in order to react.
7. The activation energy ……….. has to be reached for a chemical reaction to happen.
10. A catalyst of life.