1 - 1.2 Matter Chemistry is the study of matter Matter:...

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1.2 Matter Chemistry is the study of matter Matter: anything with mass and volume What is not matter than? Properties, or characteristics, identify substances What are some properties? Chemistry is particularly interested in what substances are composed of
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1.2 Two kinds of properties Physical properties – describe processes that would not alter a composition of a substance Common examples: melting, evaporating, hardness Chemical properties – describe how a substance may change composition Common examples: flammability, corrosiveness, some types of dissolving
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1.2 Chemical vs. Physical changes Physical change Any alteration that does not alter the composition of a substance Chemical change Any alteration of the composition of a substance
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1.2 Chemical vs. Physical Changes Describe if each change is chemical or physical: Water boils on a stove Gasoline burns in an engine Cutting a piece of paper with scissors Food is “broken down” in the stomach Gatorade is put in a refrigerator to cool down
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1.2 Chemical Changes
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This note was uploaded on 01/19/2012 for the course CHEM 1211 taught by Professor Hair during the Spring '08 term at Kennesaw.

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1 - 1.2 Matter Chemistry is the study of matter Matter:...

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