Balancing Chemical Equations

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What are the new substances created after a chemical reaction called?

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Products

Front

How do you determine if a chemical equation is balanced?

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A chemical equation is balanced when the number of atoms of each element is the same on both sides of the equation.

Front

What are the substances present before a chemical reaction called?

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Reactants

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What is the term for the large number placed before a molecule in a chemical equation?

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Coefficient

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What does the subscript in a chemical formula represent?

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The number of atoms of an element in a molecule.

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What is the law that states that matter cannot be created or destroyed in a chemical reaction?

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Law of Conservation of Mass

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What is the purpose of balancing chemical equations?

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To ensure that the same number of each type of atom is present on both sides of the equation.

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What is the difference between a coefficient and a subscript in a chemical equation?

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A coefficient indicates the number of molecules, while a subscript indicates the number of atoms in a molecule.

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What is an example of a balanced chemical equation?

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2 H2 + O2 -> 2 H2O

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What is the significance of balancing chemical equations in real-world applications?

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It is crucial for predicting the outcomes of reactions and ensuring proper stoichiometry in chemical processes.