'Describing chemical reactions' diaporamas de présentation

Chapter: Chemical Reactions

Table of Contents. Chapter: Chemical Reactions. Section 1: Chemical Changes. Section 2: Chemical Equations. Section 3: Classifying Chemical Reactions. Section 4: Chemical Reactions and Energy. Chemical Changes. 1. Describing Chemical Reactions.

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Chapter 21: Chemical Reactions

21. Table of Contents. 21. Unit 5: Diversity of Matter. Chapter 21: Chemical Reactions. 21.1: Chemical Changes. 21.2: Chemical Equations. 21.3: Classifying Chemical Reactions. 21.4: Chemical Reactions and Energy. Chemical Changes. 21.1. Describing Chemical Reactions.

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Chapter 8-Chemical Equations & Reactions

Chapter 8-Chemical Equations & Reactions. 8.1-Describing Chemical Reactions 8.2-Types of Chemical Reactions 8.3-Activity Series of the Elements. Describing Chemical Reactions. Signs of a Chemical Reaction. Evolution of heat and light Formation of a gas Formation of a precipitate

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Chapter 8-Chemical Equations & Reactions

Chapter 8-Chemical Equations & Reactions. 8.1-Describing Chemical Reactions 8.2-Types of Chemical Reactions 8.3-Activity Series of the Elements. Describing Chemical Reactions. Signs of a Chemical Reaction. Evolution of heat and light Formation of a gas Formation of a precipitate

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Table of Contents

Table of Contents. Observing Chemical Change Describing Chemical Reactions Controlling Chemical Reactions Fire and Fire Safety. - Observing Chemical Change. Properties and Changes in Matter. Matter can undergo both physical change and chemical change. - Observing Chemical Change.

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Chemical Reactions

Chemical Reactions. Chemical Reactions are all around us. Describing Chemical Reactions. c hemical change - rearrangement of atoms to form a new substance. Has new chemical and physical properties. Evidences of a Chemical Reaction. Produce a gas Produce a solid (precipitate)

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Equations & Reactions

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Observing Chemical Change

Observing Chemical Change. Introduction to Chemistry Chapter 5 Lesson 1 By the end of this lesson, the student should be able to: Explain how changes in matter can be described. Identify ways to tell that a chemical reaction has occurred. DCI-MS-PS1.B.1

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Chemical Reactions

Chemical Reactions. 8.5 Students know: a) Reactant atoms/molecules interact to form products with different chemical properties b) The number of atoms (mass) remains the same (conservation of matter) c) Chemical reactions give off or absorb heat (energy). Journal:.

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Assume 100g sample

Assume 100g sample. 35.51g C. x. = 2.9567 mol. = 4.99. = 5. 4.77 g H. x. = 4.72277 mol. = 7.98. = 8. 1 mol C. 0.59156 mol. 0.59156 mol. 0.59156 mol. 0.59156 mol. 0.59156 mol. 12.01g. 37.85 g O. x. = 2.3656 mol. = 3.99. = 4. 1 mol H. 1.01g. 8.29 g N. x.

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Chapter 6 Chemical Reactions

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Describing Chemical Reactions

Describing Chemical Reactions. http://www.youtube.com/watch?v=F54rqDh2mWA. Writing Chemical Equations. used to convey as much info. as possible about what happens in a chemical reaction. Word Equations write out what chemicals are reacting hydrogen peroxide ? water + oxygen

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Properties and Changes in Matter

- Observing Chemical Change. Properties and Changes in Matter. Matter can undergo both physical change and chemical change. - Observing Chemical Change. Properties and Changes in Matter. Chemical changes occur when bonds break and new bonds form. - Describing Chemical Reactions.

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Unit 2: Chemical Interactions Chapter 6: Chemical Reactions

Unit 2: Chemical Interactions Chapter 6: Chemical Reactions. Big Idea: Chemical reactions are processes in which atoms are rearranged into different combinations of molecules. 4 Sections. Observing Chemical Change Describing Chemical Reactions Controlling Chemical Reactions

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Chemical Reactions

Chemical Reactions. Chemical Equations. The starting substances are called reactants and the substances formed are called products . Na + Cl 2 ? NaCl. A+B ? AB. PRODUCTS. REACTANTS. Describing Chemical Reactions. Writing Equations. 2H 2 ( g ) + O 2 ( g ) ? 2H 2 O( g ).

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Chapter 21 Section 1

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Warm Up

Warm Up. What are some things that are found in this campfire? How did some of the things you mentioned look before the fire was lit? and after? If you place some marshmallows over the fire, how will they change?. Chemical Reactions. Chapter 23. Describing Chemical Reactions.

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Introduction to Chemical Reactions

Introduction to Chemical Reactions. Chemistry 20 Miss Nicklas. Introduction. All chemical reactions (simple or complex) involved changes in substances One or more starting substances are changed into one or more new substances Reactants Products. Introduction, cont.

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Chemical Reactions

Chemical Reactions. Chemical Reactions. Describing Chemical Reactions Indications of a Chemical Reaction Characteristics of Chemical Equations Balancing Chemical Equations Types of Reactions. Chemical Reactions (2). These photographs provide evidence that an

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