Chemical Equations Flashcard

Front

What does the Law of Conservation of Matter state?

Back

The total amount of matter stays the same after it undergoes change.

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In the balanced chemical equation @@2KClO_3 ightarrow 2KCl + 3O_2@@, how many atoms are on each side?

Back

There are 10 atoms on each side.

Front

Identify the reactants in the equation @@H_2 + O_2 ightarrow H_2O@@.

Back

Front

Which equation demonstrates the law of conservation of mass?

Back

@@2H_2 + O_2 ightarrow 2H_2O@@.

Front

Back

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction.

Front

What are reactants in a chemical reaction?

Back

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

Front

What are products in a chemical reaction?

Back

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

Front

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.

Front

What is the significance of coefficients in a chemical equation?

Back

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