Final answer:
Experimental event rate is calculated by measuring how often an event occurs over a given time, while the control event rate uses data from a control group for comparison. The method of initial rates helps determine the reaction order and rate constant from different trials to formulate a rate law.
Step-by-step explanation:
To calculate experimental event rate such as the rate of cell division or a chemical reaction rate from experimental data, you need to use the data on how often the event occurs over a given time frame. For cell division, you would count the number of cells that divide in a certain period and divide by the total timeframe to obtain the rate. For chemical reactions, you would measure the change in concentration of a reactant or product over time.
Similarly, the control event rate can be calculated using control data, where no experimental intervention has occurred. In many experiments, a control group is used as a baseline to compare with the experimental group to determine the effect of the independent variable being tested.
The method of initial rates involves measuring reaction rates for multiple trials with different initial reactant concentrations. By comparing these rates, you can derive the reaction order and the rate constant, which are then used to formulate a rate law for the reaction in question.