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When A + B [Is Not Equal To] B + A

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Erling Antony , Lindsay Mitchell and Lauren Nettenstrom

Department of Chemistry, Arrowhead High School, 700 North Avenue, Hartland, WI 53029

David Speckhard

Department of Chemistry, Loras College, Dubuque, IA 52001

J. Chem. Educ., 2000, 77 (9), p 1180

DOI: 10.1021/ed077p1180

Publication Date (Web): September 1, 2000

Section:

History, Education, and Documentation

Abstract

Many acid-base chemistry demonstrations and laboratory manuals include the "baking soda volcano". Others use the formation of calcium carbonate from calcium hydroxide and carbon dioxide in human breath. This demonstration uses principles from both as well as stoichiometry to answer the question "Does the order of mixing of reagents make a difference?" The demonstration is appropriate for introductory or high school chemistry, AP chemistry or general college chemistry.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Demonstrations

Keywords (Feature):

Tested Demonstrations

Keywords (Subject):

Acids / Bases

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

A Dramatic Classroom Demonstration of Limiting Reagent Using the Vinegar and Sodium Hydrogen Carbonate Reaction
Romklao Artdej , Tienthong Thongpanchang , Stacy DeWees Hovede
Journal of Chemical Education2008 85 (10), 1382
- A Dramatic Classroom Demonstration of Limiting Reagent Using the Vinegar and Sodium Hydrogen Carbonate Reaction
  Romklao Artdej , Tienthong Thongpanchang , Stacy DeWees Hovede
  Journal of Chemical Education2008 85 (10), 1382
  This demonstration is designed to illustrate the concept of limiting reagent in a spectacular way. Via a series of experiments where the amount of vinegar is fixed and the amount of NaHCO3 is gradually increased, the volume of CO2 generated from the ...
  Abstract | Hi-Res PDF | PDF w/ Links