Chem141 chapter1 notes

Chem141 chapter1 notes - Chem141 CHAPTER 1 1.1 fundamental...

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Chem141 CHAPTER 1 1.1 fundamental definition chemistry: study of matter, its properties, changes, and energy changes. Matter: anything with mass and volume Composition: types and amounts of simpler substances Substance: matter with fixed composition. Identified by physical and chemical properties. Properties (of matter): identity. 1. Physical property 2. Chemical property Physical property: shown by itself, without changing/interacting with other substances, ex: color, density, melting point. Physical change: a substance alters its physical form, but NOT composition. Chemical property: shown s changes occur, flammability, reactivity. Chemical change/reaction: a substance is converted into a different substance(s) Three states of matter: physical forms. Solid,Liquid,Gas: NOTES: physical change can be reversed by the opposite temperature change, but this is not usually true with a chemical change. Macroscopic properties results from submicroscopic causes of matter
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This note was uploaded on 09/04/2008 for the course CHEM 141 taught by Professor Mulfod during the Fall '08 term at Emory.

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Chem141 chapter1 notes - Chem141 CHAPTER 1 1.1 fundamental...

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