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Chem 109 Final

TermDefinition
JJ Thompson Cathode Ray Tube; Discovered and identified the mass to charge to ratio for electrons
Robert Millikan Oil Drop Experiment; Discovered the charge of the electron
Ernest Rutherford Characterized beta and alpha particles ; discovered the proton w/a mass spectrometer; discovered the nucleus w/the gold foil experiment; proposed the nuclear theory
Dalton's Atomic Theory 1 Matter consists of tiny particles called atoms.
Dalton's Atomic Theory 2 In a sample of a pure element, all atoms are identical & have the same properties.
Dalton's Atomic Theory 3 Atoms of different elements differ in mass & other properties.
Dalton's Atomic Theory 4 Compounds are formed when atoms of more than one element combine; a given compound always has the same relative number and kind of atoms
Dalton's Atomic Theory 5 Atoms of an element are not changed into atoms of a different element by chemical reactions; atoms are neither created nor destroyed in chemical reactions.
Charge of Beta Particle -1
Charge of Alpha Particle +2
Law describe and predict
Theory encompasses a number of laws; explains laws
Tera Sign T
Tera Exponent 10^12
Giga Sign G
Giga Exponent 10^9
Mega Sign M
Mega Exponent 10^6
Kilo Sign k
Kilo Exponent 10^3
Deci Sign d
Deci Exponent 10^-1
Centi Sign c
Centi Exponent 10^-2
Milli Sign m
Milli Exponent 10^-3
Micro Sign u
Micro Exponent 10^-6
Nano Sign n
Nano Exponent 10^-9
Pico Sign p
Pico Exponent 10^-12
Law of Conservation of Mass In a chemical reaction, mass isn't gained or lost
Law of Definite Proportions In a chemical compound, elements are combined in the same proportions by mass.
Accuracy How close the measured value is to the actual value
Precision How close a series of measurements are to one another (how reproducible)
Temp in F= (9/5 * temp in C) +32F
Diatomic Molecules H2, N2, O2, F2, Cl2, Br2, I2
Acetate Formula CH3COO
Acetate Charge -
Carbonate Formula CO3
Carbonate Charge 2-
Chlorate Formula ClO3
Chlorate Charge -
Hydroxide Formula OH
Hydroxide Charge -
Nitrate Formula NO3
Nitrate Charge -
Permanganate Formula MnO4
Permanganate Charge -
Phosphate Formula PO4
Phosphate Charge 3-
Sulfate Formula SO4
Sulfate Charge 2-
Thiocyanate Formula SCN
Thiocyanate Charge -
Ammonium Formula NH4
Ammonium Charge +
HCl Strong Acid (Hydrochloric Acid)
HBr Strong Acid (Hydrobromic Acid)
HI Strong Acid (Hydroiodic Acid)
HNO3 Strong Acid (Nitric Acid)
HClO3 Strong Acid (Chloric Acid)
HClO4 Strong Acid (Perchloric Acid)
H2SO4 Strong Acid (Sulfuric Acid)
LiOH Strong Base (Lithium Hydroxide)
NaOH Strong Base (Sodium Hydroxide)
KOH Strong Base (Potassium Hydroxide)
RbOH Strong Base (Rubidium Hydroxide)
CsOH Strong Base (Cesium Hydroxide)
Ca(OH)2 Strong Base (Calcium Hydroxide)
Sr(OH)2 Strong Base (Strontium Hydroxide)
Ba(OH)2 Strong Base (Barium Hydroxide)
HF Weak Acid (Hydroflouric Acid)
HC2H3O2 Weak Acid (Acetic Acid / Vinegar)
NH3 Weak Base (Ammonia)
KE= (Unit 2) 1/2 *mv^2
w= (Unit 2) -PdV
dE= (Unit 2) q+w
1 atm = ___Pa 101325
c= wavelength * frequency
E= (Unit 3) hv OR hc/v
hv= (Unit 3) BE+KE
E= (Unit 3 Energy Levels) -2.18E-18J (1/n^2f - 1/n^2i)
1/wavelength= (Unit 3 Energy Levels) 109,678 cm^-1 (1/n^2(1) - 1/n^2(2))
wavelength= (DeBroglie's) h/ (mass *velocity)
Coffee Cup Calorimeter Equation -msdT
Bomb Calorimeter Equation -CdT
Expansion -
Contraction +
Created by: grace_graham
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