Lecture 02 - CH204 Experiment 2 Dr. Brian Anderson Fall...

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CH204 Experiment 2 Dr. Brian Anderson Fall 2008
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Experiment 1 Post-Game Show pipette and burette intensive and extensive properties interpolation determining random experimental error What about gross error and systematic error?
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Experiment 1 Post-Game Show continued. .. Another question: Isn’t there some error in the density we determined in Part 2? We going to Jamaica, mon!
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Separate a mixture of salt, sand, and chalk dust based on differences in their physical and chemical properties. Add water to dissolve NaCl. Add acid to dissolve CaCO 3 . SiO 2 is left behind in the beaker. Experiment 2 Overview
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Characteristics of a material that do not involve changing the chemical formula of the compound. Examples include: When a compound changes state (solid, liquid, gas, aqueous), it is still the same compound, so that’s a physical change, not a chemical change. Physical properties Boiling point Melting point Solubility Density Physical state Particle size Color Shape
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require changing the chemical formula of the compound. This means reactivity with another chemical. Examples: • Flammability • Oxidizability (rust/tarnish/corrosion) • Oxidation/reduction in general • A host of other chemical reactions
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This note was uploaded on 12/17/2009 for the course CH 310 N taught by Professor Blocknack during the Spring '08 term at University of Texas.

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Lecture 02 - CH204 Experiment 2 Dr. Brian Anderson Fall...

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