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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 element in a compound. For example: A + BC → AC + B.

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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. For example: A + B → AB.

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What is a decomposition reaction?

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A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products. For example: AB → A + B.

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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. For example: AB + CD → AD + CB.

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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 of each element is the same on both sides of the equation.

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What are coefficients in a chemical equation?

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Coefficients are the numbers placed before the compounds in a chemical equation to indicate the number of molecules or moles of each substance involved in the reaction.

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What is the balanced equation for the reaction of magnesium and hydrochloric acid?

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The balanced equation is: 1 Mg + 2 HCl → 1 MgCl2 + 1 H2.

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What is the balanced equation for the reaction of aluminum and hydrochloric acid?

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The balanced equation is: 2 Al + 6 HCl → 3 H2 + 2 AlCl3.

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What is the significance of balancing chemical equations?

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Balancing chemical equations is important because it reflects the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction.

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What is the product of the synthesis reaction between silicon and sulfur?

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The product of the synthesis reaction 4Si + S8 → 2Si2S4 is silicon sulfide.