AP Chemistry Review Chapters 1-4

AP Chemistry Review Chapters 1-4 - AP CHEMISTRY REVIEW...

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AP CHEMISTRY REVIEW CHAPTERS 1-4 Chemistry: A Molecular Approach
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CHAPTER 1: MATTER AND MEASUREMENT What do you think is the most important idea in all human knowledge? -Text a one sentence response to: polleverywhere.com
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SCIENTIFICALLY, WHAT DO YOU THINK? -Text response to: polleverywhere.com -Actually: The properties of matter are determined by the properties of molecules and atoms.
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WHAT DO YOU THINK? Atoms and molecules determine how matter behaves; if they were different, matter would be different. The properties of water molecules determine how water behaves; the properties of sugar molecules determine how sugar behaves. The understanding of matter at the molecular level gives us unprecedented control over that matter. Task: Choose magazine to look through and discuss interesting article you found.
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ATOMS AND MOLECULES The air contains carbon monoxide pollutant. Carbon monoxide gas is composed of carbon monoxide molecules . Each molecule contains a carbon atom and an oxygen atom held together by a chemical bond.
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ATOMS AND MOLECULES Atoms are the submicroscopic particles that constitute the fundamental building blocks of ordinary matter. Free atoms are rare in nature; instead they bind together in specific geometrical arrangements to form molecules .
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ATOMS AND MOLECULES If we want to understand the substances around us, we must understand the atoms and molecules that compose them— this is the central goal of chemistry . Chemistry is the science that seeks to understand the behavior of matter by studying the behavior of atoms and molecules.
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SCIENTIFIC METHOD Describe Assignment: In groups of two create a quick 2 minute presentation on the scientific method. Describe its purpose, steps and any other significant information. You may create a poster as an aid. You have 15 minutes to complete. https://www.youtube.com/watch?v=_7sSuhQ1_24
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THE SCIENTIFIC APPROACH TO KNOWLEDGE
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SCIENTIFIC LAW VS. THEORY What do you think?
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CONCEPTUAL CONNECTION 1.1 Which statement best explains the difference between a law and a theory? (a) A law is truth whereas a theory is a mere speculation. (b) A law summarizes a series of related observations, while a theory gives the underlying reasons for them. (c) A theory describes what nature does; a law describes why nature does it.
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THE CLASSIFICATION OF MATTER BY COMPONENTS Matter can also be classified according to its composition: elements, compounds, and mixtures.
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WHAT ARE WAYS TO SEPARATE MIXTURES? Decanting Distillation (volatile) Filtration Evaporation
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PHYSICAL VS. CHEMICAL CHANGES What do you know?
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PHYSICAL AND CHEMICAL CHANGES Physical Change: Changes that alter only the state or appearance, but not composition, are physical changes .
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