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Using Demonstrations Involving Combustion and Acid-Base Chemistry to Show Hydration of Carbon Dioxide, Sulfur Dioxide, and Magnesium Oxide and Their Relevance for Environmental Climate Science

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Title: Using Demonstrations Involving Combustion and Acid-Base Chemistry to Show Hydration of Carbon Dioxide, Sulfur Dioxide, and Magnesium Oxide and Their Relevance for Environmental Climate Science
Language: English
Authors: Shaw, C. Frank, III, Webb, James W., Rothenberger, Otis
Source: Journal of Chemical Education. Dec 2016 93(12):2063-2067.
Availability: Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
Peer Reviewed: Y
Page Count: 5
Publication Date: 2016
Document Type: Journal Articles
Reports - Descriptive
Education Level: Secondary Education
Higher Education
Postsecondary Education
Descriptors: Secondary School Science, College Science, Chemistry, Science Education, Demonstrations (Educational), Scientific Concepts, Environmental Education, Climate, Introductory Courses
DOI: 10.1021/acs.jchemed.6b00310
ISSN: 0021-9584
Abstract: The nature of acidic and basic (alkaline) oxides can be easily illustrated via a series of three straightforward classroom demonstrations for high school and general chemistry courses. Properties of carbon dioxide, sulfur dioxide, and magnesium oxide are revealed inexpensively and safely. Additionally, the very different kinetics of hydration of SO[subscript 2] (rapid) and CO[subscript 2] (slow) are evident. The pH changes observed by use of universal indicator provide striking visual evidence that makes the concepts of acidic and basic oxides less abstract and more concrete than verbal or written descriptions alone. By using the MgO solution for the SO[subscript 2] hydration reaction, one can mimic environmental interactions that lead to the neutralization of alkaline and acidic species. Interestingly, the SO[subscript 2] and CO[subscript 2] demonstrations can easily be adapted to environmental chemistry courses and especially the very relevant realm of climate change science. The difference in hydration rates explains why CO[subscript 2] is a greenhouse gas, but SO[subscript 2] is not listed as one. Variations of the CO[subscript 2] hydration demonstration reveal the sensitivity of oceans to acidification by dissolved CO[subscript 2] and the relationship of fossil fuel combustion to ocean acidification.
Abstractor: As Provided
Number of References: 19
Entry Date: 2016
Accession Number: EJ1123458
Database: ERIC
FullText Text:
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  Data: Using Demonstrations Involving Combustion and Acid-Base Chemistry to Show Hydration of Carbon Dioxide, Sulfur Dioxide, and Magnesium Oxide and Their Relevance for Environmental Climate Science
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  Data: Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
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  Data: 10.1021/acs.jchemed.6b00310
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The nature of acidic and basic (alkaline) oxides can be easily illustrated via a series of three straightforward classroom demonstrations for high school and general chemistry courses. Properties of carbon dioxide, sulfur dioxide, and magnesium oxide are revealed inexpensively and safely. Additionally, the very different kinetics of hydration of SO[subscript 2] (rapid) and CO[subscript 2] (slow) are evident. The pH changes observed by use of universal indicator provide striking visual evidence that makes the concepts of acidic and basic oxides less abstract and more concrete than verbal or written descriptions alone. By using the MgO solution for the SO[subscript 2] hydration reaction, one can mimic environmental interactions that lead to the neutralization of alkaline and acidic species. Interestingly, the SO[subscript 2] and CO[subscript 2] demonstrations can easily be adapted to environmental chemistry courses and especially the very relevant realm of climate change science. The difference in hydration rates explains why CO[subscript 2] is a greenhouse gas, but SO[subscript 2] is not listed as one. Variations of the CO[subscript 2] hydration demonstration reveal the sensitivity of oceans to acidification by dissolved CO[subscript 2] and the relationship of fossil fuel combustion to ocean acidification.
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      – TitleFull: Using Demonstrations Involving Combustion and Acid-Base Chemistry to Show Hydration of Carbon Dioxide, Sulfur Dioxide, and Magnesium Oxide and Their Relevance for Environmental Climate Science
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