Chemical Equilibrium
Explore how reversible reactions reach a dynamic balance between forward and reverse processes. Understand how concentration, temperature, and pressure shift that balance.
Learning Path
Chemical Reactions Poster
Visual guide covering reaction types, energy diagrams, activation energy, and how catalysts lower the energy barrier for chemical reactions.
Open →ICE / Q / K / Ksp Equilibrium Solver
Build ICE tables and solve for equilibrium concentrations. Compare Q to K, calculate molar solubility from Ksp, and solve weak acid/base systems step by step.
Open →Equilibrium Lab
Explore Le Chatelier's principle directly. Adjust concentrations and temperature to watch Q approach Keq with animated particle shifts and ICE tables.
Open →Key Concepts
The core rules governing chemical equilibrium.
- K = [products] / [reactants] at equilibrium
- Q < K: reaction shifts forward
- Q > K: reaction shifts backward
- Le Chatelier: system opposes stress
- ICE table: Initial, Change, Equilibrium
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Common Questions
What does Le Chatelier's principle predict?
Le Chatelier's principle states that if a stress is applied to a system at equilibrium, the system shifts in the direction that partially relieves that stress. Adding reactant shifts the reaction forward; raising temperature for an endothermic reaction shifts it forward.
How do you use an ICE table?
Write Initial concentrations, then use stoichiometry to express the Change in each species in terms of x, and finally write the Equilibrium expressions. Substitute into the K expression and solve for x to find equilibrium concentrations.