Chapter 15 Chemical Equilibrium
Introduction
[Note Fig 15.2 is commonly used as examples of equilibrium]
Copy the chemical equation in 15.1 and note color of reactants and products
15.1 The Concept of Equilibrium
Copy and summarize Fig 15.3a
Define dynamic equilibrium in terms of rates (see also 11.5)
15.2 The Equilibrium Constant
Copy and summarize Fig 15.6
Copy equations [15.7], [15.8], and [15.9]
[Note the Haber Process is commonly used as examples of equilibrium]
equation [15.6]
The Magnitude of Equilibrium Constants
Summarize Fig 15.8
The Direction of the Chemical Equation and Keq
What is the relationship between the direction of a reaction and the
equilibrium-constant expression?
Other Ways to Manipulate Chemical Equations and Keq Values
Summarize:
1.
2.
3.
Units of Equilibrium Constants
Chapter 15 Chemical Equilibrium
15.3 Heterogeneous Equilibria
Summarize what is included and what is not included in the equilibriumconstant expression.
1.
2.
3.
15.4 Calculating Equilibrium Constants
Summarize procedure:
1.
2.
3.
4.
Copy sample exercise 15.8
15.5 Applications of Equilibrium Constants
Predicting the Direction of Reaction
Summarize Fig 15.10 in terms of the reaction quotient
Calculating Equilibrium Concentrations
Copy sample exercise 15.10
Copy sample exercise 15.11
Chapter 15 Chemical Equilibrium
15.6 Le Châtelier’s Principle
His principle states: If a system at equilibrium …
Change in Reactant or Product Concentrations
If a chemical system is at equilibrium and we add a substance (either a
reactant or a product), …
Effects of Volume and Pressure Changes
Reducing the volume of a gaseous equilibrium mixture causes …
Effect of Temperature Changes
When the temperature is increased, it is as if we have added a reactant to the
system at equilibrium. The equilibrium shifts …
Summarize endo vs. exothermic reactions:
The Effect of Catalysts
A catalyst …