'Chemical reactions occur' diaporamas de présentation

EXPECTATIONS

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Famous Quote

Famous Quote. "There's a new telephone service that lets you test your IQ over the phone. It costs $3.95 a minute. If you make the call at all, you're a moron. If you're on the line for three minutes, you're a complete idiot." Jay Leno. Chemistry. Microbiology.

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Chapter 7

Chapter 7. Chemical Reactions: Energy, Rates, and Equilibrium. Energy and Chemical Bonds. Chapter 6 Kept a careful accounting of atoms as they rearranged themselves Reactions also involve a transfer of energy. Energy and Chemical Bonds. Two fundamental kinds of energy.

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SAMPLE EXERCISE 20.1 What Chemical Reactions Occur in a Battery?

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Chemistry of Life

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Section 5.1

Section 5.1. Nature of Chemical Reactions. Chapter 5 Chemical Reactions. Chapter Preview: 5.1 The Nature of Chemical Reactions Chemical Reactions Change Substances Energy and Reactions 5.2 Reaction Types Classifying Reactions Electrons and Chemical Reactions

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Warm-up, 11/2/2011

Warm-up, 11/2/2011. Take out your homework so I can check it. Answer the following: a. Give an example of a physical property. b. Give an example of a chemical property. c. What is a physical change? d. What is a chemical change?

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The Fossil Record

The Fossil Record. Fossils are relics or impressions of ancient organisms; any trace of past life. The most obvious fossils are body parts but fossils also include trace fossils showing evidence of activity of living things. Fossil Evidence.

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Compounds, Mixtures, and Reactions

Compounds, Mixtures, and Reactions. Unit II-Part 5. Classifying Matter. Matter. Pure Substances. Mixtures. Homogeneous. Heterogeneous. Elements. Compounds. Rocky Road ice cream, muddy water. milk, tea. Fe, O. H 2 O, CO 2. What is a Pure Substance?.

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What is life?

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Thermal Preservation

Thermal Preservation. Cold Processing. Thermal Preservation- Cold Processing. Chemical reactions involving enzymes or microbes are usually the cause of food spoilage. The speed at which chemical reactions occur are directly related to the temperature of the food.

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