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DAILY QUESTION September 9, 2008

DAILY QUESTION September 9, 2008. Grape Juice is an example of a(n): A. Mixture B. Pure Substance C. Element Explain why you chose your answer to #1. (HINT: USE YOUR BOOK TO HELP YOU!!!). Agenda 9/9/08. Daily Question Chapter 2 Notes Pure Substances and Mixtures

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DAILY QUESTION September 9, 2008

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  1. DAILY QUESTION September 9, 2008 • Grape Juice is an example of a(n): A. Mixture B. Pure Substance C. Element • Explain why you chose your answer to #1. • (HINT: USE YOUR BOOK TO HELP YOU!!!)

  2. Agenda 9/9/08 • Daily Question • Chapter 2 Notes • Pure Substances and Mixtures Assignments: 1. Concept Review Pg. 1 due 9/10 2. Vocabulary Squares for Section 1 (9 words) due 9/10

  3. Chapter 2 Section 1 What Is Matter? Pure Substances and Mixtures • Mixtures are formed by mixing pure substances. • Pure substance a sample of matter, either a single element or a single compound, that has definite chemical and physical properties • Mixture a combination of two or more substances that are not chemically combined

  4. Chapter 2 Section 1 What Is Matter? Pure Substances and Mixtures, continued Mixtures are classified by how thoroughly the substances mix. • Heterogeneous mixture substances aren’t mixed uniformly and are not evenly distributed • Homogeneous mixture substances are evenly distributed, and the mixture is the same throughout • Miscible substances that can be mixed • Immiscible substances that cannot be mixed

  5. Chapter 2 Section 1 What Is Matter? Pure Substances and Mixtures, continued • Gases can mix with liquids. • Air is a mixture of gases. • Examples of gases mixed with liquids include • carbonated drinks • oxygen dissolved in water • foam

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