Foothill CollegeApproved Course Outlines

Physical Sciences, Mathematics & Engineering Division
CHEM 1BGENERAL CHEMISTRYFall 2011
3 hours lecture, 2 hours lecture-laboratory, 4 hours laboratory.5 Units

Total Quarter Learning Hours: 108 (Total of All Lecture, Lecture/Lab, and Lab hours X 12)
 
 Lecture Hours: 3 Lab Hours: 4 Lecture/Lab: 2
 Note: If Lab hours are specified, see item 10. Lab Content below.

Repeatability -
Statement: Not Repeatable.

Status -
 Course Status: ActiveGrading: Letter Grade with P/NP option
 Degree Status: ApplicableCredit Status: Credit
 Degree or Certificate Requirement: AS Degree
 GE Status: Non-GE

Articulation Office Information -
 Transferability: BothValidation: 07/01/2007

1. Description -
Kinetic molecular theory and gas laws, intermolecular forces, chemical kinetics, equilibria, behavior of acids and bases, acid/base equilibrium, and classical thermodynamics, Laboratory parallels lecture topics and includes computer graphing techniques, chemical kinetics, equilibrium measurements, heat transfer experiments, thermodynamics of an equilibrium system, vapor pressure of liquids.
Prerequisite: CHEM 1A.
Co-requisite: None
Advisory: None

2. Course Objectives -
  1. The student will understand gas behavior and be able to do a variety of gas law problems.
  2. The student will understand and be able to apply the postulates of kinetic molecular theory.
  3. The student will be able to explain changes in physical states of matter.
  4. The student will be able to do a series of calculations relating to phase changes and vapor pressure of liquids.
  5. The student will be able to describe and analyze factors that influence rates of chemical reactions.
  6. The student will be able to calculate rate, concentration or time variables based on the integrated rate laws.
  7. The student will be able to express equilibrium constants for chemical reactions in gas phase and in solutions.
  8. The student will be able to apply Le Chatelier??s principle and understand how Keq and Q are related.
  9. The student will be able to mathematically apply equilibrium theory to a variety of problems.
  10. The student will be able to define, measure and calculate pH of aqueous solutions.
  11. The student will understand weak acids and bases and their behavior.
  12. The student will mathematically solve acid base equilibrium problems.
  13. The student will be able to understand the three laws of thermodynamics and their importance in understanding energy changes.
  14. The student will be able to discuss the concept of entropy and its importance in chemical and physical changes.
  15. The student will be able to mathematically determine ∆H, ∆S, and ∆G for a chemical system.
  16. The student will be able to relate free energy changes to the equilibrium constant.
  17. The student will be able to collect and analyze experimental data and derive the required conclusions.
  18. The student will be able to analyze linear and non-linear data graphically using a computer.

3. Special Facilities and/or Equipment -
Chemistry laboratory, safety glasses, Texas Instruments 83, 84, 86 or 89 calculators, specialized hardware for digital data acquisition (Vernier LabPro system) and computers for data analysis.

4. Course Content (Body of knowledge) -
Chapters 10, 11, 14-16, 19:
  1. Gases
    1. Kinetic molecular theory
    2. Gas law problems
  2. Liquids and Solids
    1. Kinetic-molecular description of liquids and solids
    2. Intermolecular forces and phase changes
    3. Properties of liquids
    4. Clausius-Clapeyron equation
    5. Heat transfer
    6. Cubic crystal structures
  3. Chemical Kinetics
    1. Rates of reactions
    2. Factors that affect reaction rates
    3. Integrated rate equations
    4. Reaction order
    5. Collision theory and transition state theory
    6. Arrhenius equation
    7. Catalysts
  4. Chemical Equilibrium
    1. Law of mass action
    2. Equilibrium constants and their uses
    3. Le Chatelier??s principle
    4. Relationship between free energy and equilibrium constants
    5. Temperature dependence of equilibrium constants
  5. Acids and Bases
    1. Acid-base theories
    2. Properties of aqueous solutions of acids and bases
    3. Strength of acids and bases
    4. Autoionization of water and pH scales
    5. Weak acid and weak base equilibria
    6. Acid and base properties of salt solutions
    7. Acid base structure and strength
    8. Lewis Acids and bases
  6. Chemical Thermodynamics
    1. Three Laws of Thermodynamics
    2. Enthalpy changes
    3. Hess' Law
    4. Spontaneity of physical and chemical changes, entropy and free energy change
    5. Temperature dependence of spontaneity
5. Repeatability - Moved to header area.
 
6. Methods of Evaluation -
  1. Written lecture examinations on fundamental chemical principles: problem solving skills, conceptual understanding of the material and ability to integrate concepts.
  2. Laboratory activities, worksheets and reports that parallel lecture topics and include: detailed analysis of equilibrium systems, acids/bases, thermodynamics, vapor pressure, kinetics, intermolecular forces and crystal structure.
  3. Laboratory notebook.
  4. Written lab exams emphasizing chemical equations, problems, calculations, details of experimental techniques, and graphs.
  5. On-line homework focusing on topics covered in lecture.
7. Representative Text(s) -
Brown, LeMay and Bursten, Chemistry The Central Science, 11th ed. Pearson, 2009.

8. Disciplines -
Chemistry
 
9. Method of Instruction -
Lecture, Laboratory,
 
10. Lab Content -
Laboratory develops experimental techniques, critical thinking and data analysis skills, and introduces the use of a laboratory notebook. Extensive use of graphical techniques are employed for data analysis. Laboratory topics parallel lecture topics.
  1. Collection of experimental data, the lab notebook
    1. Formating a notebook to accepted laboratory standards
    2. Recording data and observations in ink directly in notebook
    3. Recording quantitative data to the correct precision of the instrument being used
    4. Organizing data, if necessary, into columnar format for presentation
  2. Graphical analysis of data
    1. Introduction to the Graphical Analysis software package
    2. Graphing of data in the required manner to observe trends and for analysis
    3. Fitting of data in either a linear or nonlinear fashion
    4. Using fitting constants to determine physical constants of a system
  3. Gas Behavior and gas laws
    1. Collection of volume-temperature data to demonstrate Charles' law
    2. Graphical extrapolation to zero volume to estimate absolute zero
  4. Changes in physical states of matter
    1. Use of calorimeter to experimentally determine the heat of fusion of water
  5. Crystal Lattices and unit cells (worksheet and group exercise)
    1. Structure of cubic crystal lattices: simple cubic, face-centered cubic and body-centered cubic
    2. Calculation of percent space occupied (packing efficiency)
    3. Calculations relating crystal structure, density and atomic mass
  6. Investigating Intermolecular forces
    1. Hydrophobic and hydrophylic substances
    2. Determining the length of a stearic acid molecule
    3. Investigation of volume and energy changes upon mixing of two liquids
  7. Chemical Kinetics
    1. Experimentally observe how concentration influences reaction rate
      1. Determination of reaction orders by the method of initial rates
    2. Experimentally observe how temperature influences reaction rate
      1. Graphically determine activation energy using an Arrhenius (rate constant versus temperature) graph
    3. Collect and graph concentration versus time data for a kinetic system
      1. Use of colorimeter to measure absorbance values as a function of time for a kinetic system in solution
      2. Collecting data for and constructing a Beer's Law graph to convert absorbance values into concentration values
      3. Application of the integrated rated laws to concentration versus time graphical data
      4. Use of graphical data to find reaction order, rate constant and half-life
      5. Calculation of concentration, rate and time variables using integrated rate laws
  8. Chemical Equilibrium
    1. Experimentally find the equilibrium constant for a simple system
      1. Measurement of absorbance values for a system at equilibrium
      2. Converting absorbance to concentration using a Beer's Law graph
    2. Calculation of equilibrium concentrations based on an experimentally determined Keq
  9. Acids and Bases
    1. Introduce use of pH electrode
    2. Using common household acids/bases experimentally find the pH
    3. Using pH find pOH, [OH-] and [H+]
    4. Using pH, rank acids/bases according to strength
    5. Predict the outcome of a variety of acid/base reactions
    6. Use experimental pH data to determine Ka and Kb values of various weak acids and bases.
  10. Thermodynamics
    1. Experimentally determine, via titration, the equilibrium constant for dissolution of a slightly soluble salt at various temperatures.
      1. Use the equilibrium data to graphically determine ∆G, ∆H and ∆S for the solution process
      2. Use the results to make predictions of solubility at various temperatures
    2. Phase changes
      1. Measurement of vapor pressure versus temperature data for a volatile liquid
      2. Interpretation of vaporization in terms of heat transfer and entropy changes
      3. Using a Clausius-Clapeyron (vapor pressure versus temperature) graph to determine heat of vaporization and entropy of vaporization based on experimental measurements
      4. Investigating the thermodynamic relationship between ∆G, vapor pressure and boiling point
      5. Vapor pressure calculations and prediction of boiling point for various liquids
      6. Comparison of the vapor pressure of liquids to intermolecular forces and chemical structure
 
11. Honors Description - No longer used. Integrated into main description section.
 
12. Types and/or Examples of Required Reading, Writing and Outside of Class Assignments -
  1. Lecture: Three hours per week of lecture covering subject matter from text and related material.
    1. Reading and study of the textbook, related materials and notes.
  2. Homework Problems: Homework problems covering subject matter from text and related material ranging from 20 - 40 problems per week.
  3. Lab: 2 hours lab lecture and 4 hours lab
    1. Reading and studying experimental background, theory and procedure
    2. Lab notebook containing the purpose, background, procedure, data, analysis and conclusions for each experiment
    3. Computer graphing and graphical analysis of experimental data
    4. Lab Reports: Analysis of data involving quantitative reasoning and calculations, drawing conclusions, critical analysis of results and integration of concepts.
  4. Worksheets: Problems and activities covering the subject matter. Such worksheets may be completed both inside and/or outside of lecture and/or lab.

13. Need/Justification -
This course is a required core course for the AS degree in Chemistry.


Course status: Active
Last updated: 2011-10-12 17:09:41


Foothill CollegeApproved Course Outlines