Chemistry, The Central Science, 11th edition
Theodore L. Brown, H. Eugene LeMay, Jr.,
and Bruce E. Bursten
Chapter 3
Stoichiometry:
Calculations with Chemical
Formulas and Equations
John D. Bookstaver
St. Charles Community College Stoichiometry
Cottleville, MO © 2009, Prentice-Hall, Inc.
,Law of Conservation of Mass
“We may lay it down as an
incontestable axiom that, in all
the operations of art and nature,
nothing is created; an equal
amount of matter exists both
before and after the experiment.
Upon this principle, the whole art
of performing chemical
experiments depends.”
--Antoine Lavoisier, 1789
Stoichiometry
© 2009, Prentice-Hall, Inc.
, Chemical Equations
Chemical equations are concise
representations of chemical reactions.
Stoichiometry
© 2009, Prentice-Hall, Inc.
, Anatomy of a Chemical Equation
CH4 (g) + 2 O2 (g) CO2 (g) + 2 H2O (g)
Stoichiometry
© 2009, Prentice-Hall, Inc.
Theodore L. Brown, H. Eugene LeMay, Jr.,
and Bruce E. Bursten
Chapter 3
Stoichiometry:
Calculations with Chemical
Formulas and Equations
John D. Bookstaver
St. Charles Community College Stoichiometry
Cottleville, MO © 2009, Prentice-Hall, Inc.
,Law of Conservation of Mass
“We may lay it down as an
incontestable axiom that, in all
the operations of art and nature,
nothing is created; an equal
amount of matter exists both
before and after the experiment.
Upon this principle, the whole art
of performing chemical
experiments depends.”
--Antoine Lavoisier, 1789
Stoichiometry
© 2009, Prentice-Hall, Inc.
, Chemical Equations
Chemical equations are concise
representations of chemical reactions.
Stoichiometry
© 2009, Prentice-Hall, Inc.
, Anatomy of a Chemical Equation
CH4 (g) + 2 O2 (g) CO2 (g) + 2 H2O (g)
Stoichiometry
© 2009, Prentice-Hall, Inc.
