Chemical Equations

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.

Front

What does it mean for a chemical equation to be balanced?

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A balanced chemical equation has the same number of each type of atom on both sides of the equation, following the law of conservation of mass.

Front

What is the principle of conservation of mass?

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The principle of conservation of mass states that matter is not created or destroyed in a chemical reaction.

Front

How do you determine if a chemical equation is balanced?

Back

Count the number of atoms of each element on both sides of the equation; if they are equal, the equation is balanced.

Front

What are reactants in a chemical equation?

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Reactants are the starting substances that undergo a chemical change in a reaction.

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What are products in a chemical equation?

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Products are the substances formed as a result of a chemical reaction.

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What does the coefficient in a chemical equation represent?

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The coefficient indicates the number of molecules or moles of a substance involved in the reaction.

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How many elements are in the compound Mg(ClO3)2?

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There are 3 elements: Magnesium (Mg), Chlorine (Cl), and Oxygen (O).

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How many oxygen atoms are in the compound 2C2H8Cl2?

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There are 16 oxygen atoms in 2C2H8Cl2.

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What is the significance of balancing chemical equations?

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Balancing chemical equations ensures that the law of conservation of mass is upheld, meaning the mass of reactants equals the mass of products.