---
title: "Temperature Dependence — AP Chem Definition & Exam Guide"
description: "Temperature dependence is how K, ΔG°, and reaction rates change with T. In AP Chem Topic 9.5, T sits inside K = e^(-ΔG°/RT), so heating shifts equilibrium itself."
canonical: "https://fiveable.me/ap-chem/key-terms/temperature-dependence"
type: "key-term"
subject: "AP Chemistry"
---

# Temperature Dependence — AP Chem Definition & Exam Guide

## Definition

Temperature dependence refers to how a physical property or behavior changes with variations in temperature. In chemistry, it often relates to how equilibrium constants and reaction rates vary with temperature.

## Review

### Related Terms

- [Activation Energy](/ap-chem/key-terms/activation-energy): The minimum amount of energy required for a chemical reaction to occur.
- [Catalyst](/ap-chem/key-terms/catalyst): A substance that increases the rate of a chemical reaction without being consumed itself.
- Le Chatelier's Principle: A principle stating that if an external stress is applied to a system at equilibrium, the system will adjust to relieve that stress and restore equilibrium.