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52 Cards in this Set

  • Front
  • Back
H
enthalpy
c
speed of light

3.00E⁸
λ
Greek lambda

wavelength
ν
Greek lower case nu

should look like a v with the ends bent over

frequency (of waves)
Δ
Greek Delta

change
Ψ
Greek psi
c=λν
speed of light=wavelength*frequency
Hz
hertz, cycles per second
h
Planck's Constant

6.626E⁻³⁴
E
energy of single quantum
E=hν
Energy of photon=Planck's constant * nu (frequency)
R_H (should be R sub H)
Rydberg constant

1.096776E⁷m⁻¹
n
energy level, corresponds to period of PTE, theoretical infinite, direct relationship to energy and indirect to stability
T
temperature
K kelvin
C celsius
F farenheit
g
gram
m
meter
L
liter
metric prefixes
G Giga 10^9
M Mega 10^6
k kilo 10^3
d deci 10^-1
c centi 10^-2
m milli 10^-3
μ micro 10^-6
n nano 10^-9
p pico 10^-12
f femto 10^-15
e⁻
electron
superscript of integer followed by + or - sign
ionic charge
superscript of + or - followed by integer
oxidization number
amu
atomic mass unit
Z
atomic number


Protons = p = Atomic number = Z = # electrons or e-
A
atomic mass
p
proton
n
neutron
Latin prefixes used in naming binary compounds
1 mono
2 di
3 tri
4 tetra
5 penta
6 hexa
7 hepta
8 octa
9 nona
10 deca
...
generally for molecular compounds, e.g. non-metal compounds
Avogadro's Number
6.02E²³
physical state
(aq) aqueous
(l) liquid
(s) solid
(g) gas
M
molarity
V
volume
Mconc*Vconc=Mdil*Vdil
mass*volume of a concentrate is equal to mass*volume of a dilution of that concentrate
Molarity
M=moles solute/volume of solution in liters
Density
D=m/v

Density=mass/volume
ΔE=Efinal-Einitial
change in energy is final less initial
Ek=(1/2)mv²
kinetic energy=1/2 * mass * velocity squared
v
velocity
J
joule

SI unit of energy
q
heat
w
work
ΔE=q+w
change in energy is the sum of heat + work
w=-PΔV
work done by an expanding gas at constant pressure
ΔH=ΔE+PΔV=qp
enthalpy change at constant pressure
q=Cs * m * ΔT
heat gained/lost based on specific heat * mass * temperature change
Cp or Cs
specific heat
ΔHrxn = ∑nΔHf - ∑mΔHf
The change in enthalpy of a reaction is equal to the sum of its products minus the sum of its reactants
Δx*Δ(mv)>=h/4pi
Heisenberg's Uncertainty Principle
change in position (x) * change in momentum cannot be smaller than Planck's constant / 4 pi
Zeff=Z-S
effective nuclear charge = # protons less screening constant
Zeff
effective nuclear charge
S
Screening Constant

represents portion of the nuclear charge that is screened from the valence electron by core electrons
A (with a small circle over A)
Angstrom 10⁻¹⁰
I₁...
I = ionization energy
subscript denotes successive electrons