9/21/2023 0 Comments Stephen demeo![]() The synthesis of zinc iodide has many scientific advantages over current syntheses. These concepts, in turn, are important because they are fundamental to chemistry, are widely taught by chemistry teachers, and are deceptively difficult for introductory chemistry students to understand. These reactions are important for chemistry teachers to know about because they can be performed by introductory students to understand different aspects of chemical change such as the concepts of reaction, compound, bonding, excess and limiting reactants, an empirical formula, balanced chemical equation, the conservation of matter and energy, the Law of the Conservation of Mass, and the Law of Constant Composition. ![]() more The purpose of this article is to discuss two colorful reactions not widely used by chemical educators in high schools or college chemistry laboratories: The synthesis of zinc iodide from its elements, zinc and iodine, and the subsequent decomposition of zinc iodide back into its elements. The purpose of this article is to discuss two colorful reactions not widely used by chemical educ. Appropriate for high school and first year college chemistry teachers, all of the activities contain detailed procedures and discussions as well as safety and disposal requirements. The activities are innovative because they contain improvements not found in the existing literature. The author has developed a small collection of teacher activities describing the synthesis and decomposition of zinc iodide. As a set of reactions, the synthesis and decomposition of zinc iodide is safe to perform, reliable, inexpensive, and does not pose a threat to the environment. For example, zinc iodide can be synthesized to 1% of theoretical mass in less than a half an hour and can be readily analyzed qualitatively as well as quantitatively by two different titrations. ![]() The synthesis of zinc iodide has many scientific advantages over current syntheses of binary compounds from elements such as the syntheses of copper sulfide and magnesium oxide. Facebook gives people the power to share and makes the. These reactions are important for chemistry teachers to know about because they can be performed by introductory students to understand different aspects of chemical change such as the concepts of reaction, compound, bonding, excess and limiting reactants, an empirical formula, balanced chemical equation, the conservation of matter and energy, the Law of the Conservation of Mass, and the Law of Constant Composition. Join Facebook to connect with Stephen DeMeo and others you may know. To leave an online condolence visit: purpose of this article is to discuss two colorful reactions not widely used by chemical educ. Memorials may be directed to Honor Flight Rochester. Please attend his Mass of Christian Burial at 1 P.M. teaching science in the classroom : improving quantitative problem solving using dimensional analysis and proportional reasoning / Stephen DeMeo.-book. Named to CAA Spring Commissioners Academic Honor Roll. He retired from Rochester Gas & Electric after 32 years where he met many lifelong friends.įamily and friends are invited to attend calling hours Thursday from 4-8 P.M. He was a member of the Army 47th Infantry Division and served as Staff Sargent & Medic during the Korean War. Stephen was born and raised in Geneva, New York. Pre-deceased by his wife Gloria, parents Anthony & Tiffany, sister Jo Ann Kane (William) and bother Anthony (Ida). Survived by his sons, Stephen (Tracy) & Mark (Andrea) grandsons Stephen & Anthony step grandchildren, Cory (Molly) Lennon, Casey (Tom) Angeley, Kelley Lennon, Laura (Brad) step great grandchildren, McKinley, Kai, and Louise brother – in – law John Ambrosi (Ann) many cousins, nephews, and nieces. ![]() Pittsford - Passed away peacefully at home on February 5, 2022. of Science Education Cited by 179 of City University of New York - Hunter College, NY (Hunter CUNY) Read 25 publications. ![]()
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