CHAP01_new - Matter and Measurement Chapter 1 Chapter...

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Chapter 1 1 Matter and Measurement Matter and Measurement Chapter 1 Chapter 1
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Chapter 1 2 The Study of Chemistry The Study of Chemistry What is Chemistry? What is Chemistry? Chemistry is the study of the properties and behavior of matter . Matter – anything that occupies space and has mass.
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Chapter 1 3 Classification of Matter Classification of Matter The basic difference between these states is the distance between the “bodies.” Gas – bodies are far apart and in rapid motion. Liquid – bodies closer together, but still able to move past each other. Solid – bodies are closer still and are now held in place in a definite arrangement.
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Chapter 1 4 Classification of Matter Classification of Matter
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Chapter 1 5 Classification of Matter Classification of Matter
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Chapter 1 6 Classification of Matter Classification of Matter Pure Substances and Mixtures Pure Substances and Mixtures Mixture – combination of two or more substances in which each substance retains its own chemical identity. Homogeneous mixture – composition of this mixture is consistent throughout. Solution (Air, gasoline) Heterogeneous mixture – composition of this mixture varies throughout the mixture.
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Chapter 1 7 Classification of Matter Classification of Matter Separation of Mixtures Separation of Mixtures Mixtures can be separated by physical means. Filtration. Chromatography. Distillation.
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Chapter 1 8 Classification of Matter Classification of Matter Separation of Mixtures Separation of Mixtures
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Chapter 1 9 Classification of Matter Classification of Matter Pure Substances and Mixtures Pure Substances and Mixtures It is also possible for a homogeneous substance to be composed of a single substance – pure substance. Element – A substance that can not be separated into simpler substances by chemical means. Atom – the smallest unit of an element that retains a substances chemical activity.
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Chapter 1 10 Classification of Matter Classification of Matter Elements Elements There are 114 elements known. Each element is given a unique chemical symbol (one or two letters). Carbon C, Nitrogen N, Titanium Ti Notice that the two letter symbols are always capital letter then lower case letter because: CO – carbon and oxygen Co – element cobalt
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Chapter 1 11 Classification of Matter Classification of Matter Pure Substances and Mixtures Pure Substances and Mixtures It is also possible for a homogeneous substance to be composed of a single substance – pure substance. Compound – A substance composed of two or more elements united chemically in definite proportions.
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Chapter 1 12 Classification of Matter Classification of Matter Compounds Compounds Formed by combining elements. The proportions of elements in compounds are the
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This note was uploaded on 11/16/2011 for the course CHEM 1211k taught by Professor Wood during the Fall '07 term at Valdosta State University .

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CHAP01_new - Matter and Measurement Chapter 1 Chapter...

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