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Identifying Chemical Reactions - Multi-Demonstration Kit

by Flinn Scientific

Item #: AP6604

Price: $72.15

The Identifying Chemical Reactions Chemical Demonstration Kit provides a review of combination reactions, decomposition reactions, single and double replacement reactions, and Combustion reactions. Students also review chemical equations.

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Recognizing chemical reactions and “translating” them into chemical equations are essential skills students need in order to be successful in chemistry. Review the different types of chemical reactions and help your students succeed using this colorful collection of five demonstrations. • Combination Reaction Adding water to calcium oxide produces calcium hydroxide, along with enough heat to fry an egg! • Decomposition Reaction Fill a Petri dish with salt and universal indicator solution, attach alligator clips and a battery, and observe a rainbow of color changes as the water molecules split apart. • Single Replacement Reaction Aluminum dissolves and copper metal precipitates when aluminum foil is placed in a solution of copper(II) chloride. • Double Replacement Reaction Mixing copper(II) chloride and sodium phosphate produces a beautiful green precipitate. • Combustion reaction Add a little isopropyl alcohol to a 2-L soda bottle, ignite the vapors, and “whoosh”! The combustion of isopropyl alcohol and oxygen produces a rush of gases and a spectacular blue flame. Use the demonstrations singly as a way to introduce each new topic, or perform all the demonstrations together as a review of reaction types. Includes Teacher Demonstration Notes and a reproducible student worksheet. Enough materials are provided to perform each demonstration seven times. Concepts: Combination reaction, combustion, decomposition, electrolysis, exothermic reaction, oxidation-reduction, precipitation reaction, single and double replacement. Time Required: One full class period Materials Provided: Aluminum foil, calcium oxide, copper(II) chloride solution, isopropyl alcohol, sodium chloride/universal indicator solution, sodium phosphate solution, 9-V battery, battery leads with alligator clips, and seven disposable Petri dishes. Note: Some common laboratory equipment is required, but not provided.