Types of Reactions

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What is a synthesis reaction?

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A synthesis reaction is a type of chemical reaction where two or more simple substances combine to form a more complex product. Example: Mg + N2 → Mg3N2.

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What is a decomposition reaction?

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A decomposition reaction is a type of chemical reaction where a compound breaks down into simpler substances. Example: 2H2O → 2H2 + O2.

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What is a single replacement reaction?

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A single replacement reaction is a type of chemical reaction where one element replaces another in a compound. Example: Ca + AlCl3 → CaCl2 + Al.

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What is a double replacement reaction?

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A double replacement reaction is a type of chemical reaction where two compounds exchange ions or bonds to form two new compounds. Example: AB + CD → AD + CB.

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How many hydrogen atoms are in 4H2O?

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There are 8 hydrogen atoms in 4H2O.

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What is the general form of a synthesis reaction?

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The general form of a synthesis reaction is A + B → AB.

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What is the general form of a decomposition reaction?

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The general form of a decomposition reaction is AB → A + B.

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What is the general form of a single replacement reaction?

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The general form of a single replacement reaction is A + BC → B + AC.

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What is the general form of a double replacement reaction?

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The general form of a double replacement reaction is AB + CD → AD + CB.

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What is an example of a synthesis reaction?

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An example of a synthesis reaction is Si + S8 → Si2S4.