Balancing Chemical Equations

Front

What is the little number after an element in a chemical equation called?

Back

Subscript

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, in accordance with the Law of Conservation of Mass.

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 is the reactant side of a chemical equation?

Back

The left side, which contains the substances that undergo the chemical change.

Front

What is the product side of a chemical equation?

Back

The right side, which contains the substances formed as a result of the chemical reaction.

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be gained or lost in a chemical reaction.

Front

How do you balance the equation SnO₂ + H₂ → Sn + H₂O?

Back

1, 2, 1, 2

Front

What is an unbalanced chemical equation?

Back

An equation where the number of atoms of each element is not the same on both sides.

Front

What is the significance of the yields sign (→) in a chemical equation?

Back

It indicates the direction of the reaction, showing that reactants are transformed into products.

Front

What is a chemical equation?

Back

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