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UNIT 2: QUANTITIES IN CHEMICAL REACTIONS

Chapter 4: Quantities in Chemical Formulas

	4.1 Proportions in Compounds
	4.5 Percentage Composition
	4.7 Calculating Chemical Compounds
	Chapter 4 Review

 

4.1 Proportions in Compounds

Oxides of Nitrogen   Page (163, #3 )

From the Australian Department of Environment and Heritage comes this page about oxides of nitrogen. This page includes the physical and chemical properties of the compounds and also includes uses and sources of oxides of nitrogen.

Oxides of Nitrogen   Page (163, #3 )

Especial Gas Inc. has produced this site describing different oxides of nitrogen and providing some clickable links to charts and other information about their uses.

4.5 Percentage Composition

Excel Tire Centers   Page (182, #4 )

From Excel Tire Centers, this site gives tire basics and explains the numbers found on the side wall of tires. Other subtopics are provided.

Goodyear Manufacturing and Innovations  Page (182, #4 )

This site is the Goodyear site describing the average composition of a radial passenger tire. Clicking on the links below leads to descriptions about how tires are made and how Goodyear research has helped the evolution of the tire.

4.7 Calculating Chemical Compounds

Vitamin D   Page (194, #12 )

The National Institutes of Health (US) has produced this fact sheet about dietary supplements and Vitamin D.

Vitamin D Deficiency and Dependency   Page (194, #12 )

From Merck-Frosst, this site describes vitamin D deficiency and dependency. Signs and symptoms of the disease are also included

Natural Vs. Synthetic Vitamins   Page (195, EAI )

Nutriteam is a health food company promoting its products on-line. This page is their view on the pros and cons of natural vs. synthetic vitamins. A chart of vitamins is given with some background information.

Health and Life   Page (195, EAI )

Health and Life is an on-line magazine using practicing physicians to review material posted. The page includes a link to an article discussing the benefits/risks of vitamin and food supplements.

Chapter 4 Review

History of Teflon   Page (201, #27 )

Scroll down the teflon.com page from the DuPont Web site to find the history of the discovery of Teflon, some of its properties and characteristics. Explore this site to learn more about the products made with this material.

Chemistry in Action   Page (201, #27 )

From the University of Limerick, this is the text of an after dinner speech given at the Annual Congress of the Institute of Chemistry in Galway in May 1995. It focuses on chemistry in action and looks at some accidental discoveries

Avogadro's Number   Page (201, #28 )

In the form of encyclopedic entries, Treasure-troves.com is a listing of information about a variety of topics. Click through the links to learn more about related concepts.

Notes on Avogadro's Number   Page (201, #28 )

T.A. Furtsch, Tennessee Technological University, Cookeville has created this page describing the history of Avogadro's constant and Avogadro himself. Some of the links in the text are no longer active, although the mirror links at the bottom of the page will lead to the desired destinations.

Cheese  Page (201, #29 )

The University of Guelph Department of Dairy Science and Technology is the source of this Web site on cheese. This site gives the basic details of cheesemaking; to learn more about the process, follow the links to The Cheese Site to learn the specifics of cheesemaking.