BRAINCAKEThe Rate Equation
Particles only react if they have sufficient energy. The minimum energy required is the activation energy. The greater the number of successful collisions per second, the faster the rate of reaction. The concentration of the reactants decreases with time so the rate of a reaction will decrease with time, so we take only the initial rate of the reaction into consideration. We work out the rate of reaction at several different initial concentrationsand plot a graph of rate against concentration and see the effect of the initial concentration of reactants on the rate of reaction. The equation for this relationship is called the rate equation.e.g.
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More in Rate of Reaction
- The Rate of a Reaction
- Measuring Reaction Rates
- Experimental Determination of the Rate of Reaction
- The Order of a Reaction
- The Rate Constant k
- Worked Example
- Half-Lives and Reaction Rate Graphs
- The Rate Determining Step
All 11 lessons in Rate of Reaction · All AQA A-level Chemistry topics