---
title: Acids, Bases & Equilibrium
description: This topic covers the chemical behavior of acids and bases, pH scales, and the principles of chemical equilibrium. Learners will understand how to calculate concentrations, predict reaction directions, and analyze buffer systems in aqueous solutions.
category: sciences
subcategory: chemistry
difficulty: beginner, intermediate, advanced
url: /subject/acids,-bases-and-equilibrium
---

# Acids, Bases & Equilibrium

This topic covers the chemical behavior of acids and bases, pH scales, and the principles of chemical equilibrium. Learners will understand how to calculate concentrations, predict reaction directions, and analyze buffer systems in aqueous solutions.

## Available Resources

1 Courses • 3 Websites

## Websites

### 1. Khan Academy - Acid-Base Equilibria

AP Chemistry unit on Brønsted-Lowry acids and bases, pH and pOH, weak acid and base equilibria, buffers, and titration curves, with worked videos and graded practice. Completing it prepares learners for exam-style equilibrium problems.

**Difficulty:** Beginner | **Price:** Free

**Link:** https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:acids-and-bases

**Tags:** acid-base, ph, buffers, titration, chemical-equilibrium

### 2. Chem LibreTexts - Acids and Bases

Open general chemistry textbook chapters covering acid-base definitions, ionization constants, pH calculations, polyprotic acids, buffers and hydrolysis, with worked examples and exercises. Suited to working through the theory at your own pace alongside a course.

**Difficulty:** Beginner | **Price:** Free

**Link:** https://chem.libretexts.org/Bookshelves/General_Chemistry

**Tags:** acid-base, open-textbook, ph, buffers, general-chemistry

### 3. chemcollective.org/equil

ChemCollective is a free online chemistry education resource that provides interactive virtual labs and scenario-based activities. The Equil section offers interactive simulations, tutorials, and practice problems on chemical equilibrium, acids and bases, Le Châtelier's principle, and related concepts.

**Difficulty:** Intermediate | **Language:** English | **Price:** Free

**Link:** https://chemcollective.org/equil

**Tags:** websites, science-research, chemistry

## Courses

### 1. Physical Chemistry

Ten-module University of Manchester course covering first-year thermodynamics, chemical kinetics and quantum chemistry. Working through the assignments, you can apply the laws of thermodynamics, derive rate laws, and interpret atomic and molecular spectra.

**Difficulty:** Intermediate | **Language:** English | **Price:** Free

**Link:** https://www.coursera.org/learn/physical-chemistry

**Tags:** courses, science-research, chemistry

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