Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products involved.

Front

What are reactants in a chemical equation?

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Reactants are the substances that undergo a chemical change in a reaction, found on the left side of the equation.

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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, found on the right side of the equation.

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What does a coefficient in a chemical equation represent?

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

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What is the purpose of balancing a chemical equation?

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Balancing a chemical equation ensures that the number of atoms for each element is the same on both sides, obeying the law of conservation of mass.

Front

What does the symbol (s) represent in a chemical equation?

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The symbol (s) indicates that the substance is in a solid state.

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What does the symbol (l) represent in a chemical equation?

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The symbol (l) indicates that the substance is in a liquid state.

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What does the symbol (g) represent in a chemical equation?

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The symbol (g) indicates that the substance is in a gaseous state.

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What does the symbol (aq) represent in a chemical equation?

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The symbol (aq) indicates that the substance is dissolved in water, forming an aqueous solution.

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What is a diatomic molecule?

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A diatomic molecule consists of two atoms of the same or different elements, such as O2 (oxygen) or H2 (hydrogen).