Balancing Equations Practice

Front

What is the Law of Conservation of Mass?

Back

Matter cannot be gained or lost in a chemical reaction.

Front

What is a reactant in a chemical equation?

Back

The substances that undergo a chemical change, found on the left side of the yields sign.

Front

What is a product in a chemical equation?

Back

The substances formed as a result of a chemical reaction, found on the right side of the yields sign.

Front

How do you balance a chemical equation?

Back

Adjust the coefficients of the reactants and products to ensure the same number of each type of atom on both sides.

Front

What does it mean for a chemical equation to be balanced?

Back

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

Front

What is the coefficient in a chemical equation?

Back

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

Front

Balance the equation: _C₃H₈ + _O₂ → _CO₂ + _H₂O

Back

1, 5, 3, 4

Front

What is the significance of balancing chemical equations?

Back

It reflects the Law of Conservation of Mass and ensures that mass is conserved in a reaction.

Front

What is a skeleton equation?

Back

An unbalanced chemical equation that shows the reactants and products but not the coefficients.

Front

What is the difference between a reactant and a product?

Back

Reactants are the starting materials in a reaction, while products are the substances formed.