Chapter 1 PP - Structure Determines Properties the...

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Structure Determines Properties the properties of matter are determined by the atoms and molecules that compose it 1. composed of one carbon atom and two oxygen atoms carbon dioxide 1. composed of one carbon atom and one oxygen atom carbon monoxide 2. colorless, odorless gas 3. incombustible oes not bind to hemoglobin 2. colorless, odorless gas 3. burns with a blue flame inds to hemoglobin 4. does not bind to hemoglobin 4. binds to hemoglobin Tro, Chemistry: A Molecular Approach 1
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toms and Molecules Atoms and Molecules atoms 9 are submicroscopic particles 9 are the fundamental building blocks of all matter molecules 9 two or more atoms attached together ¾ attachments are called bonds ¾ attachments come in different strengths 9 molecules come in different shapes and patterns Chemistry is the science that seeks to understand the behavior of matter by studying the behavior of atoms and molecules Tro, Chemistry: A Molecular Approach 2
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The Scientific Approach to Knowledge philosophers try to understand the universe by reasoning and thinking about “ideal” behavior scientists try to understand the universe through pirical knowledge gained through observation empirical knowledge gained through observation and experiment Tro, Chemistry: A Molecular Approach 3
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From Observation to Understanding Hypothesis – a tentative interpretation or explanation for an observation 9 falsifiable – confirmed or refuted by other observations 9 tested by experiments – validated or invalidated when similar observations are consistently made, it can lead to a Scientific Law 9 a statement of a behavior that is always observed 9 summarizes past observations and predicts future ones aw of Conservation of Mass Tro, Chemistry: A Molecular Approach 4 9 Law of Conservation of Mass
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From Specific to General Understanding a hypothesis is a potential explanation for a single or small number of observations a theory is a general explanation for the anifestation and behavior of all nature manifestation and behavior of all nature 9 models innacle of scientific knowledge 9 pinnacle of scientific knowledge 9 validated or invalidated by experiment and bservation Tro, Chemistry: A Molecular Approach 5 observation
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cientific Method Scientific Method a test of a hypothesis or theory a tentative explanation of a single or small number of natural phenomena a general explanation of natural phenomena the careful noting and recording of natural phenomena a generally observed natural phenomenon Tro, Chemistry: A Molecular Approach 6
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Classification of Matter States of Matter Physical and Chemical Properties hysical and Chemical Changes Physical and Chemical Changes
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lassification of Matter Classification of Matter atter anything that has mass and occupies matter is anything that has mass and occupies space e can classify matter based on whether it’s we can classify matter based on whether it s solid, liquid, or gas Tro, Chemistry: A Molecular Approach 8
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This note was uploaded on 03/07/2010 for the course ALL all taught by Professor All during the Spring '10 term at Aarhus Universitet.

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Chapter 1 PP - Structure Determines Properties the...

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