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First-order kinetics

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025

Definition

A rate law in which the reaction rate depends on the first power of the concentration of one reactant; radioactive decay follows first-order kinetics with a constant half-life.

AP course connection

Topic 5.2: 5.2 Introduction to Rate Law

Unit 5

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Review this concept in 5.2 Introduction to Rate LawAP Chemistry course hub

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