Item 12 - 821 - Occidental College, Los Angeles, California. Tm use of molecular models in lecture demonstrations of ormnic chemistry has presented a ...
The basic properties of the silicones which make them unusual substances may ... mixture is cured in a master mold, and then itself used as a mold. The release ...
tion desk. Fill one dish to within '/a inch of the top with the colored water. The lecturer takes the 3- ... The products B and C will be represented by the as- sistant's ...
ip diameter and 4 inches deep. One 3-inch casserole, one 31/2-inch casserole, one 4-inch casserole and one. 1-inch casserole. Enough colored water to fill one.
bility in water decreases from 19.09 at O°C. to 4.78 at 5G°C. to 0.78 at. 100°C. The decreas? in its solubility with increase in temperature is so great that it can ...
... work which led to the development of these demonstrations has been carried out by Myron Johnson and Clifford Cam, students in the University of Nebraska.
Organic Lecture Demonstrations. Ernest F. Silversmith. Morgan State University, Baltimore, MD 21239. General chemistry lends itself beautifully to lecture dem-.
electrolytic conductivities. The apparatus usu- ally consists of a dipping electrode in series with an incandescent light bulb and a source of electric cur- rent.
Seal off the tip with a flame. Remove the glass stopper from one of two tall (4000- cc.) glass-stoppered measuring cylinders, and sub- stitute a one-hole rubber ...
Demonstrations of the absorption of certain gases and the use of glass wool in lecture exfieriments are also described. . . . . . . In connection with demonstrations ...
every teacher of general chemistry has many âpetâ lecture demonstrations which he has developed for use with his freshman classes. The following were.
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MOLECULAR MODELS FOR LECTURE DEMONSTRATIONS I N ORGANIC CHEWISTRY' FRANK L. LAMBERT Occidental College, Los Angeles, California
Tm use of molecular models in lecture demonstrations of ormnic chemistry has presented a problem to many inst
