A student performs a kinetics experiment in which they measure the time it takes
ID: 784571 • Letter: A
Question
A student performs a kinetics experiment in which they measure the time it takes for a reaction to proceed using a color change for indication. They vary concentrations of one reactant to determine the order of the reaction relative to that reactant. They compare their measured reaction rates to their classmates and discover that their reaction rates are lower than all of their classmates. Which of the following is the most likely reason for the low reaction rates? Answer
The concentration of reactant was too high.
The student was too fast in stopping their timer.
The temperature was too high.
The student was too slow in stopping their timer.
The student used a catalyst.
Explanation / Answer
The student was too slow in stopping their timer.
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