🧪ap chemistry review

Kp

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Kp represents the pressure-based equilibrium constant. It uses partial pressures (usually in atmospheres) for calculation and applies when gases are involved in the reaction.