Chemical Reactions

Front

What is a chemical reaction?

Back

A process where reactants are transformed into products, involving the breaking and forming of chemical bonds.

Front

True or False: In a chemical reaction, no new types of atoms are created, and no atoms are destroyed.

Back

True

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.

Front

What are products in a chemical reaction?

Back

Substances that are formed as a result of a chemical reaction.

Front

In a chemical reaction, reactants are changed into __________.

Back

Products

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it remains constant.

Front

How do you balance a chemical equation?

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By ensuring the number of atoms for each element is the same on both sides of the equation.

Front

What does a coefficient in a chemical equation represent?

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

Front

What does a subscript in a chemical formula indicate?

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The number of atoms of an element in a molecule.

Front

If the reactants are C₃H₈ + 5O₂, what are the products in a balanced equation?

Back

3CO₂ + 4H₂O