'Element compound element compound' diaporamas de présentation

Chapter 10

Chapter 10. Chemical reactions. Evidence of chemical rxns: Change in enthalpy Change in color Formation of a gas Formation of a ppt. Chemical reaction- represented by an equation. 2 C 2 H 2 (g) + 5O 2 (g) ? 4CO 2 (g) + 2H 2 O (l). Reactants. ? Products.

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Types of Reactions

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Equations

Equations. Types of Reactions. Four major classes. Synthesis Decomposition Single Replacement Double Replacement. Synthesis. A marriage of two substances (reactants) to form one new substance (product) A + B ? AB The reactants can either be elements or compounds.

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Unit: Chemical Reactions

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Unit 3: Chemical Equations and Stoichiometry

Unit 3: Chemical Equations and Stoichiometry. Types of Reactions. Synthesis/Combination Reactions. In a synthesis reaction , two or more substances combine to form a new compound. A + B ? AB. How do you tell? More reactants than products. Decomposition Reaction.

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Unit 8: Chemical Reactions

Unit 8: Chemical Reactions. Types of Chemical Reactions: Single Replacement. Predicting Products. Single Replacement: An element and compound react to form a different element and compound Common form:. Element + Compound ? Element +Compound A + BC ? AC + B. heat. Pt.

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