Law of Conservation of Matter

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What is the Law of Conservation of Matter?

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The Law of Conservation of Matter states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

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

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What is a reactant in a chemical reaction?

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A reactant is a substance that undergoes change during a chemical reaction.

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What is a product in a chemical reaction?

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A product is a substance that is formed as a result of a chemical reaction.

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How do you determine if a chemical equation is balanced?

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

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What is the significance of coefficients in a chemical equation?

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Coefficients indicate the number of molecules or moles of a substance involved in a reaction.

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What is the role of subscripts in a chemical formula?

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Subscripts indicate the number of atoms of each element in a molecule.

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What happens to the mass of reactants during a chemical reaction?

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The total mass of the reactants remains equal to the total mass of the products.

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What is an example of a balanced chemical equation?

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An example of a balanced chemical equation is: 2H2 + O2 -> 2H2O.

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What is an unbalanced chemical equation?

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An unbalanced chemical equation has different numbers of atoms for one or more elements on each side of the equation.