Chapter 1

Chapter 1 - 2011 Donald L. Siegel, All Rights Reserved...

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Unformatted text preview: 2011 Donald L. Siegel, All Rights Reserved Chapter 1 Chapter 1 Chemistry: The Science of change 2011 Donald L. Siegel, All Rights Reserved The Scientific Method The Scientific Method W Chemistry is a science. W What is science? A systematic method of looking at the world around us 2011 Donald L. Siegel, All Rights Reserved The Method The Method W Observation - the raw data W Explanation - Hypothesis Occams Razor - the simplest explanation that accounts for all the data is the best Hypothesis must be a testable explanation. Prediction. W Testing - experimentation Control Positive control Positive control Negative control Negative control 2011 Donald L. Siegel, All Rights Reserved Other terms in Science Other terms in Science W Models Intentional oversimplification W Theory Broader than a hypothesis Has some experimental support W Law Broader still Some much support, it is taken as fact 2011 Donald L. Siegel, All Rights Reserved Scientific Language Scientific Language W Very dense language - every word in there for a reason W Words used very carefully W Symbols important We reuse symbols 2011 Donald L. Siegel, All Rights Reserved Classification of Matter Classification of Matter W States Solid fixed volume and shape Liquid fixed volume, no defined shape Gas neither volume nor shape fixed Other states W Pure substances Constant composition Cannot be broken down by physical means 2011 Donald L. Siegel, All Rights 2011 Donald L....
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Chapter 1 - 2011 Donald L. Siegel, All Rights Reserved...

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