2. 1.Equilibrium Equilibrium 2. The Formula 3. Applying the Formula 4. How that applies to Solubility

3. If a chemical system at equilibrium experiences a change in concentration, temperature, volume, or total pressure; the equilibrium will shift in order to minimize that change Lets start with the beginning…

4. The state in which the concentrations of the products and the reactants have no change over time. Where the rate of both sides of an equation equal out. Equilibrium is…

5. Note: Equilibrium is needed to find solubility!!!

6. Formula: K eq = [products] [reactants] What formula goes with this?

7. CS 2 + 0 2 Example: SO 3 + CO 2 Balance it: 2SO 3 + CO 2 Now put products over reactants: [CS 2 ] [O 2 ] 4 [SO 3 ] 2 [CO 2 ] Note: When there is a coefficient, you must raise that reactant or product to that power. CS 2 + 40 2 Fill in with concentration: [6.2 x 10 -4 m/l] [1.0 x 10 -4 m/l] 4 [2.0 x 10 -2 m/l] 2 [4.5 x 10 -3 m/l] Solve: 3.44 x 10 -14

8. Definition :