Calculate Rate of Reaction?


You can calculate the rate of reaction over a time interval by dividing the change in concentration by the amount of time used. The instantaneous rate can be got by drawing a graph of concentration versus time and then finding the gradient at a certain point. In addition, you can also find the initial rate when the time is zero.
2 Additional Answers
The rate of a reaction can be calculated by either measuring the rate which the reactant is being used up or measuring the rate at which the product is being formed. To find the rate of a reaction, you divide either the amount of reactant used or the amount of product formed by the time taken. A graph can also be plotted to show the results.
For a chemical reaction: A + 2 B ? 3 C. The rate of reaction r is given by -(dA/dt) = -(1/2)(dB/dt) = -((1/3)dC/dt). In words, (minus the rate of change of A with time)=(minus a half the rate of change of B with time)=(minus a third the rate of change of C with time).
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