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Hydrogen Balloon Explosions Balloons containing various substances and hydrogen are exploded, revealing characteristic flame colors. In all cases except one, the substance had been mixed with methanol and water.
Optimizing the Use of Personal Response Devices (Clickers) in Large-Enrollment Introductory CoursesKlaus Woelk This taxonomy of clickerselectronic devices with which students can remotely submit responses to questions posed by a teacherclassifies their use into two general categories. The first involves probing class attendance, preparedness, and subject matter interest, while the second pertains to the enhancement of conceptual understanding and content mastery. Woelk, Klaus. J. Chem. Educ.2008, 85, 1400.
Descriptive Chemistry |
Learning Theories |
Nonmajor Courses |
Student-Centered Learning
Greener Alternative to Qualitative Analysis for Cations without H2S and Other Sulfur-Containing CompoundsIndu Tucker Sidhwani and Sushmita Chowdhury The classic technique for the qualitative analysis of inorganic salts and mixtures relies on highly toxic hydrogen sulfide. Increasing environmental awareness has prompted the development of a green scheme for the detection of cations by spot tests that is simple and fast. Sidhwani, Indu Tucker; Chowdhury, Sushmita. J. Chem. Educ.2008, 85, 1099.
The Boron Family Volume 03, issue 19 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Descriptive Chemistry
The Sodium Family Volume 03, issue 20 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Descriptive Chemistry
The Calcium Family Volume 03, issue 21 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
