Balancing Chemical Equations

Front

What is the total number of atoms present in the compound 5Na3PO4?

Back

40

Front

What is the balanced form of the equation 2C2H2 + 5O2 --> 4CO2 + 2H2O?

Back

Yes, the equation is balanced.

Front

Is the reaction NaHCO3 --> Na2CO3 + H2O + CO2 balanced?

Back

No, the reaction is not balanced.

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be gained or lost in a chemical reaction.

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

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.

Front

What are coefficients in a chemical equation?

Back

Numbers placed before compounds to indicate the number of molecules involved in the reaction.

Front

What is a product in a chemical reaction?

Back

The substances formed as a result of a chemical reaction.

Front

What is the difference between a reactant and a product?

Back

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