Unit 3:
AP Chemistry
Thermochemistry, Rates of Reactions, Chemical Equilibrium 

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Objectives: Chapter 6 Thermochemistry

Learning Objectives:

Upon completion the student should be able to:

• Define enthalpy and demonstrate calculations of the change in a chemical reaction
• Show how a change in enthalpy is measured in colorimetry.
• do simple colorimetry problems
• show how to calculate DH for a chemical reaction.
• define standard heat of formation
• use standard heats of formation to calculate D H for a reaction

Objectives: Chapter 12 Rates of Reaction

Learning Objectives:

Upon completion the student should be able to:

• define the reaction rate and to show how rates can be measured from experimental data
• determine rate laws from experimental data
• explain what is meant by 1st and 2nd order reactions
• use the integrated rate law equation for 1st and 2nd order reactions.
• define half life.
• calculate the half life given the rate constant
• determine the molecularity of a reaction from a given energy profile.
• determine the rate law from a reaction mechanism
• discuss the temperature dependence of reactions rates
• define and calculate activation energy
• explain how a catalyst speeds up a reaction
• discuss heterogeneous and homogeneous catalysis

   

Objectives: Chapter 13 Chemical Equilibrium

Learning Objectives:

Upon completion the student should be able to:

• define equilibrium
• discuss how equilibrium is established
• write an equilibrium expression for a given equation
• calculate equilibrium constants from equilibrium concentrations.
• use equilibrium constants to calculate equilibrium concentrations
• show hoe equilibrium constants is used to predict the direction in which a system will move to reach equilibrium
• demonstrate the calculation of equilibrium concentrations given initial concentrations (ICE)
• Use a systematic approach in calculating equilibrium problems
• define LeChatlier's principle
• predict the changes that occur when a system at equilibrium is disturbed.
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