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: 3Mg + 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: 2NO2 → N2 + 2O2.

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What is a single displacement reaction?

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A single displacement reaction is a type of chemical reaction where one element replaces another in a compound. Example: A + BC → AC + B.

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What is a double displacement reaction?

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

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What is the general formula for a synthesis reaction?

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The general formula for a synthesis reaction is A + B → AB.

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What is the general formula for a decomposition reaction?

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The general formula for a decomposition reaction is AB → A + B.

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How do you balance a chemical equation?

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To balance a chemical equation, adjust the coefficients of the reactants and products to ensure that the number of atoms for each element is the same on both sides.

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What is the coefficient for NO in the reaction N2 + O2 → ?NO?

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The coefficient for NO is 2, making the balanced equation N2 + O2 → 2NO.

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What is combustion reaction?

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A combustion reaction is a type of chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat. Example: CH4 + 2O2 → CO2 + 2H2O.

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What is the difference between exothermic and endothermic reactions?

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Exothermic reactions release energy (heat) to the surroundings, while endothermic reactions absorb energy from the surroundings.