Balancing Reactions

Front

What is the purpose of balancing chemical equations?

Back

To ensure that the number of atoms of each element is the same on both sides of the equation, adhering to the law of conservation of mass.

Front

What are the two sides of a chemical equation called?

Back

Reactants (left) and Products (right).

Front

What happens to an atom when it gains electrons?

Back

It becomes negatively charged because it has more electrons than protons.

Front

What is the law of conservation of mass?

Back

Mass cannot be created or destroyed in a chemical reaction.

Front

What type of reaction is represented by the equation: 2 K + MgBr2 → 2 KBr + Mg?

Back

Single Displacement Reaction.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a compound to indicate how many molecules or moles of that compound are involved in the reaction.

Front

What does it mean to balance a chemical equation?

Back

To adjust the coefficients of the reactants and products so that the same number of each type of atom appears on both sides.

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

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

Front

What is the difference between a synthesis reaction and a decomposition reaction?

Back

A synthesis reaction combines two or more substances to form a new compound, while a decomposition reaction breaks down a compound into simpler substances.