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For the textbook, chapter, and section you specified we found
40 Videos
140 Assessment Questions
243 Molecular Structures
1,000 Journal Articles
582 Other Resources
Videos: First 3 results
Exploding Soap Bubbles: Hydrogen + Oxygen  
A series of three videos shows that as the ratio of oxygen to hydrogen in soap bubbles increases, the explosions that occur when the bubbles are ignited get louder. (The fact that with an excess of oxygen the explosions would become softer again is not shown.) Each video is repeated with no voice-over so that only the sounds of the explosions are heard. Five still images are provided to show the stoichiometry on the molecular scale. The videos are intended to be shown in order beginning with Hydrogen Alone and ending with hydrogen plus more oxygen.
Reactions |
Oxidation / Reduction
Reaction, Microscale: Tin with Gold(III) Chloride  
A piece of metallic tin is carefully combined with a solution of gold(III) chloride under a microscope.
Oxidation / Reduction |
Reactions
Oxidation-Reduction (Redox) Reactions  
Demonstrations exploring oxidation/reduction chemistry.
Aqueous Solution Chemistry |
Electrochemistry |
Oxidation / Reduction |
Water / Water Chemistry |
Acids / Bases |
pH |
Conductivity |
Reactions |
Applications of Chemistry |
Descriptive Chemistry |
Electrolytic / Galvanic Cells / Potentials |
Laboratory Equipment / Apparatus
View all 40 results
Assessment Questions: First 3 results
Atoms,_Molecules_and_Ions : CalcMolarMass (8 Variations)
What is the molar mass of potassium phosphate, K3PO4?

Enter the numeric value very carefully below, rounding to one decimal place only. Do not put the units in, but think about what the units are!

Molecular Properties / Structure |
Stoichiometry
Kinetics : RateConstantUnits (8 Variations)
The isomerization of CH3NC to CH3CN has a rate constant of 0.46 s-1 at 600 K.

(1) Based on the units of the rate constant, what is the order of the reaction? {1:MULTICHOICE:zero-order#No, that is not correct.~=first-order#Correct!~second-order#No, that is not correct.~third-order#No, that is not correct.}

(2) What is the concentration of CH3CN after 0.20 minutes of reaction if the initial concentration is 0.10 M? {1:NUMERICAL:=4e-4:1e-5#Correct!~%50%4e-4:5e-5#Close, but not quite.}(Do not include units!)


Kinetics |
Rate Law
Acids_and_Bases : PercentDissociationKa (3 Variations)
Calculate the percent dissociation in a {x}M aqueous solution of the weak acid HA. (Ka = {y} x 10-4)

Enter your answer to ONE decimal place.
DO NOT use scientic notation.
DO NOT write in the units.


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Equilibrium
View all 140 results
Molecular Structures: First 3 results
Acetic Acid CH3COOH

3D Structure

Link to PubChem

Acids / Bases |
Carboxylic Acids

Aluminum Chloride AlCl3

3D Structure

Link to PubChem

VSEPR Theory |
Lewis Acids / Bases

Aluminum Fluoride AlF3

3D Structure

Link to PubChem

VSEPR Theory |
Molecular Properties / Structure

View all 243 results
Journal Articles: First 3 results.
Pedagogies:
A New "Bottom-Up" Framework for Teaching Chemical Bonding  Tami Levy Nahum, Rachel Mamlok-Naaman, Avi Hofstein, and Leeor Kronik
This article presents a general framework for bonding that can be presented at different levels of sophistication depending on the student's level and needs. The pedagogical strategy for teaching this model is a "bottom-up" one, starting with basic principles and ending with specific properties.
Levy Nahum, Tami; Mamlok-Naaman, Rachel; Hofstein, Avi; Kronik, Leeor. J. Chem. Educ. 2008, 85, 1680.
Atomic Properties / Structure |
Covalent Bonding |
Ionic Bonding |
Lewis Structures |
Materials Science |
MO Theory |
Noncovalent Interactions
The Fuge Tube Diode Array Spectrophotometer  B. T. Arneson, S. R. Long, K. K. Stewart, and J. J. Lagowski
Presents details for adapting a diode array UVvis spectrophotometer to incorporate the use of polypropylene microcentrifuge tubesfuge tubesas cuvettes. The fuge tubes also can serve as reaction vessels, which permits the ready study of chemical systems involving heterogeneous phases by eliminating the need for tedious separations.
Arneson, B. T.; Long, S. R.; Stewart, K. K.; Lagowski, J. J. J. Chem. Educ. 2008, 85, 1663.
Laboratory Equipment / Apparatus |
Solutions / Solvents |
Spectroscopy |
UV-Vis Spectroscopy
Promoting Student Learning through Group Problem Solving in General Chemistry Recitations  Madhu Mahalingam, Fred Schaefer, and Elisabeth Morlino
Describes the implementation and effects of collaborative problem solving in small, mixed-ability discussion sections that supplement large lectures in general chemistry with minimal changes in faculty hours and facility space.
Mahalingam, Madhu; Schaefer, Fred; Morlino, Elisabeth. J. Chem. Educ. 2008, 85, 1577.
Nonmajor Courses |
Student-Centered Learning
View all 1,000 articles
Other Resources: First 3 results
Units of Radiation Dose  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Nomenclature / Units / Symbols |
Nuclear / Radiochemistry
The International System of Units (SI)  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Nomenclature / Units / Symbols
Amylose and Polystyrene  William F. Coleman
The WebWare molecules of the month are amylose and polystyrene, which are examined in JCE Classroom Activity #57: "Pondering Packing Peanuts Polymers". In the activity, students investigate polymers and their chemical composition. The structures below show several repeating units of the two polymers. The helical, 50-unit amylose shows the structure that complexes with iodine to produce the blue charge-transfer complex in the starch iodine test.
Molecular Modeling |
Molecular Properties / Structure
View all 582 results