'Chemical reactions involve' diaporamas de présentation

Chemical Reactions

Chemical Reactions. Chemical Reaction-Definition. A chemical reaction is a process in which the physical and chemical properties of the original substances change as new substances with different physical and chemical properties are formed.

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Warm Up: Dimensional Analysis Practice

Warm Up: Dimensional Analysis Practice. The relative mass of an electron is 0.000586 amu . a. Write in scientific notation If a proton has a relative mass of 1.007276 amu , how many electrons could fit on a proton? c . The actual mass of an electron is 9.109 x 10 -31 kg. Convert to mg.

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Arson and Combustion

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To learn the signals that show a chemical reaction has occurred

Objectives. To learn the signals that show a chemical reaction has occurred To learn to identify the characteristics of a chemical reaction To learn the information given by a chemical equation To learn various classification schemes for reactions.

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Sponge: Set up Cornell Notes on pg. 13 2.4 Chemical Reactions Essential Question :

Sponge: Set up Cornell Notes on pg. 13 2.4 Chemical Reactions Essential Question : Hydrogen peroxide (H 2 O 2 ) breaks down into water (H 2 O) and oxygen (O 2 ). Explain why this is a chemical reaction . What are the reactants and products ?. 2.4 Chemical Reactions.

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Energy Changes in Reactions

Energy Changes in Reactions. Physical Science December 7, 2011 Ms Cilli Pages 206-209. Objectives. Describe the energy changes that take place during chemical reactions. Classify chemical reactions as exothermic or endothermic.

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Energy Changes in Reactions

Energy Changes in Reactions. Physical Science December 7, 2011 Ms Cilli Pages 206-209. Objectives. Describe the energy changes that take place during chemical reactions. Classify chemical reactions as exothermic or endothermic.

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Matter and Its Properties

Matter and Its Properties. Chapter E1. Matter and Physical Properties (E6). All things are made up of __________, which is anything that has mass and takes up space

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Revision of Topic 1- Chemical Reactions

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Physical Science: Ch 7 Notes

A. Chemical Reactions. When a substance undergoes a chemical change, a chemical reaction has taken place. Physical Science: Ch 7 Notes. Reactions are known to produce: unexpected color changes, a precipitate, gas, or a change in temperature.

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