General Chemistry/Useful Equations

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General[edit | edit source]

Density:
Moles:
Percent Error:
Percent Composition (by mass):
Molarity:
Molality:
Rate of Reaction:
de Broglie's law: =

Atomic Structure[edit | edit source]

Symbol Meaning Symbol Meaning
energy speed of light
frequency wavelength
charge distance
Coulomb's constant Plank's constant H/nkne
Energy of Wave:
Wave Relation:
Coulomb's Law:

Solutions, Liquids, Gases[edit | edit source]

Symbol Meaning
pressure
volume
number of moles
temperature (in Kelvin)
molal freezing point constant
molal boiling point constant
mole fraction
molality
molarity
specific heat capacity
mass of water (Kg)
heat energy released


Rauolt's Law:
Boiling Point Elevation:
Freezing Point Depression:
Ideal Gas Law:
Combined Gas Law:
Titration:
Dilution:
Heat released by burning:

Equilibrium[edit | edit source]

Symbol Meaning
equilibrium constant (general)
pressure equilibrium constant
concentration equilibrium constant
gas law constant
temperature (in Kelvin)
moles of product – moles of reactant
pH:
pOH:
(for water):
Pressure/Concentration:
Equilibrium, for a reaction :

Thermochemistry[edit | edit source]

Symbol Meaning
heat energy
mass
specific heat
temperature (in Kelvin)
entropy
enthalpy
Gibbs free energy
Heat Transfer:
Enthalpy:
Entropy:
Free Energy: