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Peer reviewed Peer reviewed
ERIC Number: EJ293927
Record Type: CIJE
Publication Date: 1984
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
The Rainbow Connection.
Hutton, Bill; Smith, Wayne L.
Journal of Chemical Education, v61 n2 p172-73 Feb 1984
Provides materials needed and procedures to illustrate the reversible color changes in certain organic acids on bases due to changes in pH. The technique employs three indicators which are colorless in acidic solution but form primary colors in basic solutions. Also discusses the free energy curve presented in many textbooks. (JM)
Descriptors: Chemical Equilibrium, Chemistry, College Science, Demonstrations (Educational), Higher Education, Laboratory Procedures, Organic Chemistry, pH, Science Activities, Science Education, Thermodynamics
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Indicators