Investigating Temperature and Reaction Rates

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5 Terms

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Kinetic Energy and Temperature
As temperature increases, reacting particles acquire more kinetic energy and move faster.
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Collision Theory
Increased particle speed leads to a higher frequency of collisions and a larger fraction of collisions with sufficient energy to overcome the activation energy barrier.
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Control Variable
The factor(s) that must be kept the same throughout an experiment to ensure a fair test.
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Independent Variable
The factor that is deliberately changed by the experimenter during an investigation.
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Dependent Variable
The factor that is measured as the outcome of an experiment.