Balancing Equations

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

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

Back

Subscript

Front

What is the right part of a chemical equation called?

Back

Products

Front

What does the arrow in a chemical equation represent?

Back

Yields

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a compound to indicate how many molecules are present.

Front

How do you balance a chemical equation?

Back

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

Front

What is the balanced equation for the combustion of methane (CH4)?

Back

CH4 + 2O2 → CO2 + 2H2O

Front

What is the balanced equation for the reaction of manganese dioxide (MnO2) with hydrochloric acid (HCl)?

Back

MnO2 + 4HCl → MnCl2 + 2H2O + Cl2

Front

What is the purpose of balancing chemical equations?

Back

To obey the law of conservation of mass.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.