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76 Cards in this Set
- Front
- Back
Si unit for mass
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kg
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Si unit for length
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m
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Si unit for temp
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K
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Si unit for amount of substance
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mol
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Si unit for time
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s
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exponential prefixes
10^9 10^6 10^3 10^2 10^1 10^-1 10^-2 10^-3 10^-6 10^-9 10^-12 |
giga
mega kilo hecto deka deci centi milli micro nano pico |
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area
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m^2
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volume
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m^3
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density
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kg/m^3
g/ml or g/cm^3 |
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speed
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m/s
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acceleration
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m/s^2
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force
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(kg m)/s^2
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pressure
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kg/(m s^2)
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energy
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(kg m^2)/s^2
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density = x/x
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mass/volume
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sig figs
+ - x / |
number right of decmial place (lesser)
number of sig figs (lesser) |
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323.45
# of sig figs |
5
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.00661
# of sig figs |
3
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.0066100
# of sig figs |
5
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C/F conversion
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5/9 ratio
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daltons theory of matter
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elements made of atoms
element charecterized by mass compounds form in whole number ratios compounds=combining elemenents. atoms themselves are unchanged |
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thompson
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cathode rays- determine negative charge on electrons
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millikin
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oil drop- determine mass of electron
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rutherford
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scattering experiment, determinded atoms have a dense nucleus
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atomic number
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# of protons
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mass number
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number of protons + number neutrons
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atomic mass
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mass of single atoms
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covalent bond
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two atoms share electrons
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ion
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charged atoms
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isotopes
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differnt mass number (# of neutrons)
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1
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mono
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2
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di
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3
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tri
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4
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tetra
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5
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penta
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6
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hexa
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7
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hepta
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8
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octa
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products of when a hydrocarbon is burned
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water and CO2
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weak electrolytes
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CH3CO2H
HF |
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spectrum of light (smallest to largest wavelength)
visible= what range? (~) gamma, radio, ultraviolet, visive, x ray, microwave, infared |
gamma, x ray, ultraviolet, visible, infrared, microwave, radio
~10-6, ~10-7 |
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dilution equation
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Mi /Vi = Mf/ Vf
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molarity=
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Moles/L
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molality=
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moles solute/ kg solvement
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strong acids (5)
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HClO4
H2SO4 HBr HCl HNO3 |
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weak acids (3)
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H3PO4
HF CH3CO2H |
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Strong bases (4)
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NaOH
KOH Ba(OH)2 CA(OH)2 |
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weak bases (1)
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NH3
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solubility rules (abbreviations)
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see sheet
[C]S[N] PC, SO |
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what does an acid base reaction always produce?
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water and a salt
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color spectrum (abbreviation)
(listed fastest to slowest) |
GXU V IMR
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energy series for m2 and n2 (names)
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lyman
balmer pashcen |
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bohr model
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uncertain to know where an electron is
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pauli exclusion principle
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no two electron in an atom can have the same four quantam numbers
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quantam numbers
m sub s= |
see chart
spin quantam number |
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ionization energy
def trend |
energy required to remove electron
increase up, right |
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electron affinities
def trend |
energy released when electron added
increase up, right |
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atomic radii
def trend |
size or atom
increase left, down (CHECK ELECTRON # SHIFT) |
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electronegativity
def trend |
ability to attract an electron
increase up, right |
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born haber cycle process
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turn elements into gases
give appropriate +/- charge dissasociate if neccesary -lattice energy to combine |
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molecular geometry
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see handout
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1 atm= x mm hg = x pa = x torr
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760 mm hg
101325 pa 760 torr |
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kinetic molecular theory (5)
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tiny particles
negligable volume to surrondings no attraction elastic collisons kinetic energy is proportion to K |
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hydrogen bond
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h bonded to O,N, or F and attracted to lone pair of another electronegative atom
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colligative property
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property that depends on amount of solute disolved rather than the properties of the solvent
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how to solve for liquid column height of two differnt liquids
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pgh=pgh
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lovoiser
davy arrhenius contributions to acid/base defs |
lavoiser- proposed O is the commonality in acids
davy- acids provide H, not O arrhenius- acids dissasociate to produce H / bases dissasociate to produce OH- |
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wavelength
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distance between peaks
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amplitude
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range of distance between peak or trough and the center
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frequency
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number of wave peaks in a given distance
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frequency's unit
the unit is also equal to ? |
Hz
S -1 |
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Light equation letter meanings
E h c m v lamda |
e= energy (J)
h= planks constant c= speed of light m= mass v= frequency |
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MAKE SURE UNITS CANCEL
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MAKE SURE UNITS CANCEL
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redox 1/2 reactions
in acid... |
determine formal charges
in acid: add H20 and H+ to get balanced 1/2 reactions |
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dipole dipole
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CO2- less electronegative is pulled towards the more electronegative
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delta H next to a chemical equation means...
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for the reaction as written (number of moles)
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