CH 222Z General Chemistry 2

Lecture Hours: 3 hours lecture and 1 hour recitation
Credits: 4

Explores and applies principles presented in CH 221Z to the study of the solid, liquid, and gaseous states of matter. Principles of stoichiometry, thermochemistry, kinetics, and foundational equilibrium are explored and applied to the study of aqueous and gas-phase chemical reactions. CH 222Z is a lecture course; CH 228Z is the laboratory component.

Prerequisite: Placement into WR 115 (or higher), or completion of WR 090 (or higher); and completion of CH 221Z; or consent of instructor. (All prerequisite courses must be completed with a grade of C or better.)
Concurrent: Concurrent enrollment in CH 228Z
Differential Fee YES
Student Learning Outcomes:

Apply stoichiometry to a variety of problems involving reactions, gases, liquids, solutions, thermochemistry, kinetics, and equilibrium expressions.
Apply kinetic molecular theory and gas laws to predict the behavior of gases at various conditions.
Identify types of intermolecular forces and apply them to physical properties of solids, liquids, and solutions.
Describe solution concepts and factors affecting solution properties.
Determine the effects of different factors on chemical reaction rates and examine the role of catalysis in modifying these rates.
Apply concepts of thermochemistry to explain thermal energy transfer and the energy changes that accompany chemical and physical changes.
Identify and apply appropriate equations related to gas laws, solutions, colligative properties, thermochemistry, kinetics, and equilibrium expressions

Statewide General Education Outcomes:

Gather, comprehend, and communicate scientific and technical information in order to explore ideas, models, and solutions and generate further questions.
Apply scientific and technical modes of inquiry, individually, and collaboratively, to critically evaluate existing or alternative explanations, solve problems, and make evidence-based decisions in an ethical manner.
Assess the strengths and weaknesses of scientific studies and critically examine the influence of scientific and technical knowledge on human society and the environment.

Content Outline

The Properties of Mixtures: Solutions and Colloids
- Energy Changes in the Solution Process
- Solubility as an Equilibrium Process
- Expressing Concentrations Quantitatively
- Fundamentals of Solution Stoichiometry
- Writing and Balancing Net Ionic Equations for Precipitation, Acid-Base and Redox Reactions
- The Structure and Properties of Colloids
Gases and the Kinetic-Molecular Theory
- Gas pressure and its measurement
- Empirical and ideal gas laws
- Kinetic-Molecular Theory as a model of gas behavior
- Real gases
Thermochemistry: Energy Flow and Chemical Change
- Forms of energy and their interconversion
- Enthalpy, bond strengths and heats of reaction
- Calorimetry: Laboratory measurement of heats of reaction
- Stoichiometry of Thermochemical Equations
- Hess’s Law of Heat Summation and Standard Heats of Reaction
Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Change
- Second law of thermodynamics: Predicting spontaneous change
- Calculating the change in entropy of a reaction
- Entropy, free energy, and work
- Free energy, equilibrium, and reaction direction
Kinetics: Rates and Mechanisms of Chemical Reactions
- Factors influencing reaction rate
- Rate Law and its components
- Integrated Rate Laws: concentration changes over time
- Explaining the effects of temperature and concentration on reaction rate
- Reaction mechanisms and the roles of catalysts and inhibitors on reaction rate
- Kinetics of ozone depletion and the functioning of biological catalysts
Nuclear Chemistry
- Radioactivity
- Kinetics of Decay
- Transmutation, Fusion
- Fission and Applications
Laboratory Experiments
- Analysis of Double Displacement Reactions
- Titration of an Acid
- Enthaply of a Reaction
- Molar Volume of a Gas
- Molar Mass of a Volatile Liquid
- Thermodynamic Values of Reactions
- Factors Affecting Rates of Reactions
- Determining a Rate Law
- Nuclear Decay