Types of Chemical Reactions

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What is a Single Replacement Reaction?

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A type of chemical reaction where one element replaces another in a compound. Example: \( Zn + 2HCl \rightarrow ZnCl_2 + H_2 \)

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What is a Decomposition Reaction?

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A reaction where a single compound breaks down into two or more simpler products. Example: \( 2KI \rightarrow 2K + I_2 \)

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What is a Combination Reaction?

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A reaction where two or more substances combine to form a single product. Example: \( A + B \rightarrow AB \)

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What is a Double Replacement Reaction?

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A reaction where two compounds exchange ions to form two new compounds. Example: \( AB + CD \rightarrow AD + CB \)

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What is a Combustion Reaction?

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A reaction that involves the burning of a substance in the presence of oxygen, producing heat and light. Example: \( CH_4 + 2O_2 \rightarrow CO_2 + 2H_2O \)

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How do you balance a chemical equation?

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By adjusting the coefficients of the reactants and products to ensure the same number of each type of atom on both sides of the equation.

Front

What are coefficients in a chemical equation?

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Numbers placed before compounds in a chemical equation to indicate the number of molecules or moles of that substance.

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What is the general formula for a Single Replacement Reaction?

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A + CD \rightarrow C + AD

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What is the general formula for a Double Replacement Reaction?

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AB + CD \rightarrow AD + CB

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What is the general formula for a Decomposition Reaction?

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AB \rightarrow A + B