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Introduction to Chemical Equilibrium
A7 - Chemical Equilibrium
Introduction to Chemical Equilibrium

Introduction to Chemical Equilibrium

Author: carolyn fruin


Learning Targets:

  • I can state that in a reversible reaction, both forward and reverse reactions are taking place
  • I can state what is equal at equilibrium (the forward reaction rate = the reverse reaction rate.
  • I can describe how we know when a reaction is at equilibrium (constant macroscopic properties).
  • I can write the equilibrium expression, Keq, of a given reaction.

aA + bB <--> cC + dD

  • I can explain that we do not include solids and liquids in the Keq, because their concentrations do not change and are therefore part of the Keq.
  • I can calculate the value of Keq given the concentrations of the reactants and products at equilibrium.
  • I can explain that only temperature can change the Keq value.
  • I can determine whether a reaction is reactant-favored, product-favored or approximately equal (products and reactants) at equilibrium by looking at the value of Keq or looking at the graph of concentrations.
See More

Chemical Equilibrium Powerpoint

Equilibrium Notes


Equilibrium Expressions

This video covers the basic equilibrium expression as well as how to solve for the constant given molarity values.

Source: KhanAcademy

Calculating Keq

A simple demonstration of solving Keq given equilibrium concentrations for a reaction.