Le Chatelier's Principle Lesson 3.

Le Chatelier's Principle Lesson 3

A(g) + B(g) ⇄ AB(g) 2 particles 1 particle more pressure less pressure When the reaction shifts to the right it lowers the pressure When the reaction shifts to the left it increases the pressure

50 Particles Shifting right reduces the particles and the pressure

4HCl(g) + 2O2(g) ⇄ 2H2O(l) + 2Cl2(g)
6 gas particles 2 gas particles more pressure less pressure When the reaction goes left it increases the pressure by making more particles. 2SO3(g) ⇄ 2SO2(g) O2(g) 2 gas particles 3 gas particles less pressure more pressure When the reaction goes right it increases the pressure by making more particles.

I2(g) + Cl2(g) ⇄ 2ICl(g) 2 gas particles 2 gas particles the pressure is the same on both sides This reaction will not shift with pressure.

6. 1. Increasing the pressure by decreasing the volume shifts the
6.1 Increasing the pressure by decreasing the volume shifts the reaction to the side with the fewest gas molecules. Only (g) count for gas particles. Simulation 4HCl (g) O2 (g) ⇄ H2O (l) Cl2 (g) kJ

6.1 Increasing the pressure by decreasing the volume shifts the reaction to the side with the fewest gas molecules. Only (g) count for gas particles. Simulation 4HCl (g) O2 (g) ⇄ H2O (l) Cl2 (g) kJ Decrease the volume

6.1 Increasing the pressure by decreasing the volume shifts the reaction to the side with the fewest gas molecules. Only (g) count for gas particles. Simulation 4HCl (g) O2 (g) ⇄ H2O (l) Cl2 (g) kJ Decrease the volume and you Increase Pressure!

6.1 Increasing the pressure by decreasing the volume shifts the reaction to the side with the fewest gas molecules. Only (g) count for gas particles. Simulation 4HCl (g) O2 (g) ⇄ H2O (l) Cl2 (g) kJ Decrease the volume and you Increase Pressure! All concentration increase!

6.1 Increasing the pressure by decreasing the volume shifts the reaction to the side with the fewest gas molecules. Only (g) count for gas particles. Simulation Count gas particles! 4HCl (g) O2 (g) ⇄ H2O (l) Cl2 (g) kJ Decrease the volume and you Increase Pressure!

6.1 Increasing the pressure by decreasing the volume shifts the reaction to the side with the fewest gas molecules. Only (g) count for gas particles. Simulation Count gas particles! shifts to products to decrease the pressure 4HCl (g) O2 (g) ⇄ H2O (l) Cl2 (g) kJ Decrease the volume and you Increase Pressure!

6. 2. Decreasing the pressure by increasing the volume shifts the
6.2 Decreasing the pressure by increasing the volume shifts the reaction to the side with the most gas molecules. Only (g) count for gas particles. Simulation Count gas particles! 4HCl (g) O2 (g) ⇄ H2O (l) Cl2 (g) kJ Increase the volume and you Decrease Pressure!

6. 2. Decreasing the pressure by increasing the volume shifts the
6.2 Decreasing the pressure by increasing the volume shifts the reaction to the side with the most gas molecules. Only (g) count for gas particles. Simulation Count gas particles! shifts to the reactants to increase the pressure 4HCl (g) O2 (g) ⇄ H2O (l) Cl2 (g) kJ Increase the volume and you Decrease Pressure!

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2]

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl]

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2]

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓ Add water

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓ Add water ― ― ― ―

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓ Add water ― ― ― ― ↑ [Cl2]

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓ Add water ― ― ― ― ↑ [Cl2] ← ↑ ↑ ↑

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓ Add water ― ― ― ― ↑ [Cl2] ← ↑ ↑ ↑ ↑ V

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓ Add water ― ― ― ― ↑ [Cl2] ← ↑ ↑ ↑ ↑ V or ↓ P We do

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓ Add water ― ― ― ― ↑ [Cl2] ← ↑ ↑ ↑ ↑ V or ↓ P ↑ P We do Rx does

4HCl (g) + 2O2 (g) ⇄ 2H2O (l) + 2Cl2 (g) + 98kJ
Describe the shift in the above equilibrium system for each stress indicated. Describe how [HCl], [O2], and [Cl2] change. Stress Shift [HCl] [O2] [Cl2] ↑ [HCl] → ↑ ↓ ↑ ↓ [O2] ← ↑ ↓ ↓ Add water ― ― ― ― ↑ [Cl2] ← ↑ ↑ ↑ ↑ V or ↓ P ← ↑ ↑ ↓ ↓ P We do Rx does

The Forward and Reverse Rates and Shifting
Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 1. CO is added. Shift Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 1. CO is added- more reactant collisions. Shift Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 1. CO is added- more reactant collisions. Shift Right Forward Increases Reverse No change

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 2. CO is removed. Shift Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 2. CO is removed. Shift left Forward decreases Reverse no change

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3. Temperature is increased. Shift Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3. Temperature is increased- both forward and reverse rates increase. Shift Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3. Temperature is increased- both forward and reverse rates increase. Shift left Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3. Temperature is increased- both forward and reverse rates increase. Shift left Forward increases Reverse increases

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3. Temperature is increased- both forward and reverse rates increase. Shift left Forward increases Reverse increases by more

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 4. Volume is decreased. Shift Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3 2 4. Volume is decreased- Pressure increases! All concentrations go up! Shift Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3 2 4. Volume is decreased- Pressure increases! All concentrations go up! Shift right Forward Reverse

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3 2 4. Volume is decreased- Pressure increases! All concentrations go up! Shift right Forward increases Reverse increases

Explain in terms of the immediate changes to the forward and reverse rates after each stress why each shift occurs 2CO(g) + O2(g) ⇄ 2CO2(g) + energy 3 2 4. Volume is decreased- Pressure increases! All concentrations go up! Shift right Forward increases by more Reverse increases

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Shift Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Pressure increases Shift Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Pressure increases. Shift Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Pressure increases. Shift right Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Pressure increases. Shift right Forward rate increases Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Pressure increases. All Concentrations increase- All rates increase! Shift right Forward rate increases Reverse rate increases [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Pressure increases. All Concentrations increase- All rates increase! Shift right Forward rate increases Reverse rate increases [O2] increases [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Pressure increases. All Concentrations increase- All rates increase! Shift right Forward rate increases Reverse rate increases [O2] increases [H2] increases [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 1. The volume is decreased. Pressure increases. All Concentrations increase- All rates increase! Shift right Forward rate increases Reverse rate increases [O2] increases [H2] increases [H2O] increases

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 2. The Temperature is increased. Shift Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 2. The Temperature is increased. All rates increase! Shift Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 2. The Temperature is increased. All rates increase! Shift left Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 2. The Temperature is increased. All rates increase! Shift left Forward rate increases Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 2. The Temperature is increased. All rates increase! Shift left Forward rate increases Reverse rate increases [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 2. The Temperature is increased. All rates increase! Shift left Forward rate increases Reverse rate increases [O2] increases [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 2. The Temperature is increased. All rates increase! Shift left Forward rate increases Reverse rate increases [O2] increases [H2] increases [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 3 2 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 2. The Temperature is increased. All rates increase! Shift left Forward rate increases Reverse rate increases [O2] increases [H2] increases [H2O] decreases

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 3. H2O is added. Shift Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 3. H2O is added. Shift left Forward rate Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 3. H2O is added. Shift left Forward rate increased Reverse rate [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 3. H2O is added. Shift left Forward rate increased Reverse rate increased [O2] [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 3. H2O is added. Shift left Forward rate increased Reverse rate increased [O2] increased [H2] [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 3. H2O is added. Shift left Forward rate increased Reverse rate increased [O2] increased [H2] increased [H2O]

Changes were made to an equilibrium system, a shift occurred, and a new equilibrium was established. Compare the new forward and reverse reaction rates and the reactant and product concentrations to the original ones. 2H2(g) + O2(g) ⇄ 2H2O(g) KJ 3. H2O is added. Shift left Forward rate increased Reverse rate increased [O2] increased [H2] increased [H2O] increased as it was added

Le Chatelier's Principle Lesson 3.

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Le Chatelier's Principle Lesson 3.

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