Chemical Formulas/Equations

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What is a chemical equation?

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A chemical equation uses formulas, plus signs, and an arrow to represent a chemical reaction.

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What are reactants in a chemical reaction?

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The materials we start with in a reaction are called reactants.

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What are products in a chemical reaction?

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The materials produced as a result of a chemical reaction are called products.

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What does the Law of Conservation of Mass state?

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The Law of Conservation of Mass states that the mass of reactants must equal the mass of products in a chemical reaction.

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What is the purpose of coefficients in a chemical equation?

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Coefficients are used to balance chemical equations, indicating the number of molecules involved in the reaction.

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What does it mean to balance a chemical equation?

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Balancing a chemical equation means ensuring that the number of atoms for each element is the same on both sides of the equation.

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What is a chemical formula?

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A chemical formula is a way of expressing the composition of a substance using symbols for its constituent elements.

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What is the difference between a reactant and a product?

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Reactants are the starting materials in a reaction, while products are the substances formed as a result of the reaction.

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What is an example of a simple chemical equation?

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An example of a simple chemical equation is: 2H2 + O2 → 2H2O.

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What does the arrow in a chemical equation represent?

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The arrow in a chemical equation represents the direction of the reaction, indicating that reactants are transformed into products.

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