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Stoichiometry. http://www.unit5.org/chemistry/Stoichiometry.html. Table of Contents ‘Stoichiometry’. Balancing Chemical Equations Avogadro’s Number Molar Mass Combustion Reactions Synthesis Reactions Single Replacement Reactions Activity Series Double Replacement Reactions.

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stoichiometry

Stoichiometry

http://www.unit5.org/chemistry/Stoichiometry.html

table of contents stoichiometry
Table of Contents‘Stoichiometry’

Balancing Chemical Equations

Avogadro’s Number

Molar Mass

Combustion Reactions

Synthesis Reactions

Single Replacement Reactions

Activity Series

Double Replacement Reactions

Mole Island Diagram

Limiting Reactants

Generic Stoichiometry

Air Bag Design

Water from a Camel

Rocket Fuel

Water in Space

Excess Reactant

Classes of Reactions

stoichiometry1
Stoichiometry
  • You should understand
    • Moles, mass, representative particles (atoms, molecules, formula

units), molar mass, and Avogadro’s number.

    • The percent composition of an element in a compound.
    • Balanced chemical equations: for example, for a given mass of a

reactant, calculate the amount of produced.

    • Limiting reactants: calculate the amount of product formed when

given the amounts of all the reactants present.

    • The percent yield of a reaction.
    • Reactions in solution: given the molarity and the volume of the reactants,

calculate the amount of product produced or the amount of reactant

required to react.

    • Molarity; preparation of solutions.
some common collections and the numbers of items in them
Some common collections and the numbers of items in them.

Timberlake, Chemistry 7th Edition, page 179

ch 4 2 o 2 co 2 2 h 2 o
CH4 + 2 O2 CO2 + 2 H2O

Reactants Products

1 C atom 1 C atom

4 H atoms 4 H atoms

4 O atoms 4 O atoms

Timberlake, Chemistry 7th Edition, page 167

reactants products
Reactants  Products

Unbalanced

Timberlake, Chemistry 7th Edition, page 164

slide7

Cl

H

H

H

Cl

Cl

Cl

H

reactants products

reactants products

H

H

Cl

Cl

Unbalanced and Balanced Equations

H

Cl

Cl

Cl

H

H

H2 + Cl2 2 HCl

(balanced)

(unbalanced)

H2 + Cl2 HCl

2

1

2

2

1

2

2

2

meaning of chemical formula
Meaning of Chemical Formula

Chemical

Symbol Meaning Composition

H2O One molecule

of water:

Two H atoms and one O atom

2 H2O Two molecules

of water:

Four H atoms and two O atoms

H2O2 One molecule

of hydrogen

peroxide:

Two H atoms and two O atoms