Chem 155 827

Chem 155 827 - iii. Theory (or model) are well tested...

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Quiz tomorrow – 15 minute quiz 1. microscopic view of physical/ compositional classification substances 2. multiple choice : Compositional classifications of matter 3. multiple choice physical vs. chemical properties 4. calculation – density/conceptual 5. Bonus point – course policies 1.2 Scientific Method I. Scientific method a. Observations i. Quantitative Data 1. Characteristics ii. Qualitative Data 1. Numerical data b. Summary of observations : Scientific Law i. Does not explain the happening ii. Hypothesis- used to explain scientific law
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Unformatted text preview: iii. Theory (or model) are well tested hypothesis II. SI Units a. Mass kg ~2.2 lbs b. Length- m (39 ~ 1 yd) c. Time s d. Temperature k (absolute T scale e. Amount of substance mol f. Electric current A III.Amounts ( Prefixes) a. Kilo 1000 b. Micro 1/10 6 c. Examples i. 1cm (cubed) = 1mL ii. 1000ml = 1L I. Density a. Mass/ volume i. Intensive property 1. Is not affected by amount...
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This note was uploaded on 03/27/2008 for the course CHEM 155 taught by Professor Burnett,joe during the Spring '08 term at Iowa State.

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Chem 155 827 - iii. Theory (or model) are well tested...

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