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Ch.14 - Chemical Kinetics
Chapter 14, Problem 58c

Indicate whether each statement is true or false. (c) If you double the temperature for a reaction, you cut the activation energy in half.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Activation Energy

Activation energy is the minimum energy required for a chemical reaction to occur. It represents the energy barrier that reactants must overcome to transform into products. Lowering the activation energy can increase the rate of a reaction, making it easier for reactants to collide with sufficient energy.
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Temperature and Reaction Rate

Temperature plays a crucial role in chemical reactions, as it affects the kinetic energy of molecules. Generally, increasing the temperature increases the reaction rate because molecules move faster, leading to more frequent and effective collisions. However, temperature does not directly alter the activation energy itself.
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Arrhenius Equation

The Arrhenius equation describes the relationship between the rate constant of a reaction and temperature, incorporating activation energy. It shows that the rate constant increases exponentially with an increase in temperature, but it does not imply that doubling the temperature halves the activation energy. Instead, it indicates that higher temperatures can enhance reaction rates without changing the inherent activation energy.
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