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Chemistry 305

The "Experiment" links contain useful information and pictures that will allow you to fully prepare for Chem 305 experiments.

Course Topics

The topics for this course are typically allocated as follows (approximate number of lecture and lab hours spent on each topic are shown in the left columns):

Lec
Lab
Topic
4
0
Introduction to chemistry and the scientific method used in problem solving.
4
0
Concept of uncertainty in measurements, use of significant figures in mathematical operations.
4
0
Metric system of units, unit analysis and density.
4
0
Types, classifications and properties of matter, physical and chemical changes and energies associated with such changes.
4
0
Structure of the atom, emission line spectra, concept of energy levels and sublevels and electronic configurations of elements and ions.
4
0
The periodic table, periodic properties and families of elements.
4
0
Nomenclature of elements, ions, acids, molecular and ionic compounds.
4
0
Classifications, balancing of chemical reactions, predict products.
4
0
The mole concept and its applications in the calculations of empirical formula and molecular formula.
4
0
Stoichiometry, limiting and excess reagents.
4
0
The gaseous state, gas laws, and vapor pressure concept.
4
0
Concept of chemical bonding using electron dot formula and electronic configurations, shapes of molecules, bond angles, polarity based on geometry and electronegativity of atoms.
4
0
Solutions, solution concentrations, dilutions, and solution stoichiometry.
2
0
Intermolecular forces especially hydrogen bonding and its consequences in biological systems, boiling points, melting points and solubility of substances.
2
0
Concept of osmosis, isotonic solutions, reverse osmosis, applications in dialysis, combating dehydration and desalination of water.
4
0
Theories and properties of acids and bases, standardization and titration, and pH concept.
4
0
Classify organic compounds, recognize functional groups when they appear in an organic structure and relate physical and chemical properties based on functional groups present.
4
0
Biochemistry, four major classes of biological compounds.
2
0
Nuclear chemistry, radioactivity, half-life, artificial radioactivity and radionuclide applications.
2
0
Final exam.
0
3
Overview of safety in the laboratory.
0
3
Gain proficiency by obtaining measurements using metric rulers, balances, graduated cylinders, and thermometers.
0
3
Observe and measure relative densities of several common liquids and solids, and become proficient in the following techniques: pipetting a liquid, weighing by difference and determining volume by displacement.
0
3
Observe physical and chemical properties of liquids and solids, and determine whether a substance undergoes physical or chemical changes by determining boiling point and observing test tube reactions.
0
3
Distinguish between continuous and line spectra using a hand spectroscope; compare calculated and observed lines in the hydrogen spectrum; identify unknown elements using atomic fingerprints.
0
3
Study similar chemical properties for groups of elements in the periodic table using the flame test and reactions for metal ions and halides.
0
3
Observe the chemical behavior of barium, magnesium and calcium ions using the following lab techniques: centrifuging, flame testing and using litmus paper.
0
3
Gain experience in observing evidence of a chemical reactions, writing chemical equations to represent reactions, and determine the percent composition of a zinc penny.
0
3
Develop the laboratory skills used to analyze a hydrate; determine the percentage of water in a hydrate and calculate the water of crystallization for an unknown hydrate.
0
3
Gain proficiency in decomposing a compound and collecting a gas over water; determine percent yield and percent composition of a substance in a mixture.
0
3
Determine the experimental molar volume of hydrogen gas at STP by collecting gas over water and reading a barometer.
0
3
Using molecular models to construct models of molecules with single, double and triple bonds; draw Lewis Dot and structural formulas for molecules.
0
3
Observe solubility and miscibility and study the factors that affect the rate of dissolving; determine molar concentration and mass/mass percent concentration of sodium chloride in saltwater; increase proficiency in pipetting and evaporation techniques.
0
3
Gain proficiency in the lab technique of titration by standardizing a basic solution and determining molar concentration.
0
3
Interpret a chemical reaction by observing the electrical conductivity of an aqueous solution to determine whether it is a strong or weak electrolyte; become proficient in writing net ionic equations.
0
3
Classify organic molecules using molecular models to build various hydrocarbons and their derivatives and identify unknown model structures.
0
3
Develop the lab skills for preparing and developing a paper chromatogram to separate food colors and then use this technique to identify an amino acid in an unknown solution.
0
3

Lab practical final.

 

Learning Outcomes and Objectives

Upon completion of this course, the student will be able to:

 

  • analyze and set up measurements of physical quantities and convert units of physical quantities via the use of dimensional analysis
  • name and write formulas of elements, ions, acids, and ionic and molecular compounds
  • describe atomic theory and interpret the periodic table
  • apply the mole concept toward stoichiometry-related problems and chemical reactions
  • identify the variables used to describe properties of a gas
  • formulate qualitatively and quantitatively the effect of change of one or more variables on one another
  • describe chemical bonds, intermolecular forces in the liquid state, solubility of substances, and the concept of osmosis and their applications
  • demonstrate the properties of acids and bases and convert acid concentration to pH and vice-versa
  • classify organic compounds and distinguish the four major classes of biological compounds and contrast their structural features