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Denaturation of Protein by Strong AcidJohn W. Moore, Jerrold J. Jacobsen, Gary Trammell, Kristin Johnson "Strong acid denatures egg white proteins.This video contains voiceover:""The tertiary structure of egg white proteins is held together by hydrogen bonding and hydrophobic interactions. Adding strong acid to the protein disrupts the intermolecular forces, and the tertiary structure is lost. The loss in protein structure is called denaturation. The proteins precipitate, forming a white solid."""
Extraction of Acid with Base Water and diethyl ether are shaken in a separatory funnel with a small amount of red indophenol. The non-ionic indophenol remains in the ether layer, coloring it red. Addition of sodium hydroxide converts the indophenol to its blue ionic acid anion which is extracted into the water layer turning it blue.
A Web-Based Interactive Module to Teach Acid–Base Principles of Drug ActionMaria A. Hernandez and Jolanta Czerwinska Describes interactive compressed video teleconferencing as the distance learning format for an entry-level doctor of pharmacy program. Hernandez, Maria A.; Czerwinska, Jolanta. J. Chem. Educ.2008, 85, 1704.
Acids / Bases |
Drugs / Pharmaceuticals
The Discovery-Oriented Approach to Organic Chemistry. 7. Rearrangement of trans-Stilbene Oxide with Bismuth Trifluoromethanesulfonate and Other Metal TriflatesJames E. Christensen, Matthew G. Huddle, Jamie L. Rogers, Herbie Yung, and Ram S. Mohan Presents a microscale, green organic chemistry laboratory experiment that illustrates the utility of metal triflates, especially bismuth triflate, as a Lewis acid catalyst. Bismuth compounds are especially attractive for use as catalysts in organic synthesis because of their low toxicity, low cost, and ease of handling. Christensen, James E.; Huddle, Matthew G.; Rogers, Jamie L.; Yung, Herbie; Mohan, Ram S. J. Chem. Educ.2008, 85, 1274.
Catalysis |
Epoxides |
Green Chemistry |
Lewis Acids / Bases |
Mechanisms of Reactions |
Microscale Lab |
NMR Spectroscopy
Ethyl EtherJay A. Young Safe handling of ethyl ether are discussed. Young, Jay A. J. Chem. Educ.2008, 85, 1185.
EthersEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Ethers
Acids (GCMP)David M. Whisnant Acids: this is a resource in the collection "General Chemistry Multimedia Problems". We will observe the reaction of sodium bicarbonate with three acid solutions. General Chemistry Multimedia Problems ask students questions about experiments they see presented using videos and images. The questions asked apply concepts from different parts of an introductory course, encouraging students to decompartmentalize the material.
Acids / Bases
Acids and Salts (GCMP)David M. Whisnant Acids and Salts: this is a resource in the collection "General Chemistry Multimedia Problems". This problem will explore a few properties of common acids and their salts. General Chemistry Multimedia Problems ask students questions about experiments they see presented using videos and images. The questions asked apply concepts from different parts of an introductory course, encouraging students to decompartmentalize the material.
