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%\fancyhead[C]{\includegraphics[width=0.07\textwidth]{/Users/austinr2222/Dropbox/Eco_Milfoil_Management/Presentations/FOVLAP/Pamphlet/logo.png} Milfoil Management $\bullet$ October 2012}
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%\chead{Burr Pond Weevil Stocking Project Description}
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%\fancyhead[C]{\includegraphics[width=0.07\textwidth]{/Users/austinr2222/Dropbox/Eco_Milfoil_Management/Presentations/FOVLAP/Pamphlet/logo.png} Milfoil Management $\bullet$ October 2012}
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\begin{document}
\title{MCAT Formula Sheet}
\maketitle
\tableofcontents{}
\newpage
\section{Mechanics }
\subsection{Translational Motion}
\textcompwordmark{}
$x=x_{0}+v_{0}t+\frac{1}{2}at^{2}$
$v_{f}=v_{0}+at$
$v_{f}^{2}=v_{0}^{2}+at$
\subsection{Force}
\textcompwordmark{}
\textbf{Center of Mass}
$com=\frac{m_{1}x_{1}+m_{2}x_{2}}{x_{1}+x_{2}}$
\textcompwordmark{}
\textbf{Newtons 1st Law}
inertia, momentum, impluse
\textcompwordmark{}
\textbf{{*}Newtons Second Law }
$F=ma$
$Weight=F_{g}=mg$
\textcompwordmark{}
\textbf{Frictional Force}
$f_{max}=\mu N$
$\mu_{k}<\mu_{s}$...always
\textcompwordmark{}
\textbf{Uniform Circular Motion}
$F_{c}=ma_{circ.}=\frac{mv^{2}}{r}$
$a_{circ.}=\frac{v^{2}}{r}$
\textcompwordmark{}
\textbf{Inclined Plan}
$F_{normal}=mg\,cos\theta$
\subsection{Equilibrium}
\textcompwordmark{}
\textbf{Torque Forces}
$\mathbf{\tau}=\mathbf{F\cdot d}$
\textcompwordmark{}
\textbf{Tension on Pendulum }
$T=mg\,cos\theta$
\subsection{Work}
\textcompwordmark{}
\textbf{{*} Work}
$W=F\,d\,cos\theta$
$W_{total}=\Delta E$
\textcompwordmark{}
\textbf{{*}Kintic Energy}
$KE=\frac{1}{2}mv^{2}$
Units: Joules=N{*}m
\textcompwordmark{}
\textbf{{*}Potential Energy}
$U_{gravity}=mgh$
$U_{spring}=\frac{1}{2}kx^{2}$
\textcompwordmark{}
\textbf{Conservation of Energy}
$E_{total}=KE+U$
$\Delta E=\Delta K+\Delta U=0$
$E=mc^{2}$
\textcompwordmark{}
\textbf{Power}
$P=\frac{\Delta W}{\Delta t}$
Units:watt = J/s
\textcompwordmark{}
\textbf{{*}Spring Force and Work}
$F=-kx$
$W=\frac{1}{2}kx^{2}$
\newpage
\section{Fluids}
\subsection{Hydrostatics}
\textcompwordmark{}
\textbf{Specific Gravity}
SG=\%object submergerd
$SG=\frac{\rho_{substance}}{\rho_{water}}=\frac{height\,above\,surf}{total\,height}$
$\rho_{water}=\frac{1g}{cm^{3}}=\frac{10^{3}kg}{m^{3}}$
\textcompwordmark{}
\textbf{Archimedes Principle}
$F_{buoy}=\rho_{fluid}gV_{submerged}$
=weight of volume of displaced fluid
$V_{submerged\,object}=V_{displaced\,fluid}$
\textcompwordmark{}
\textbf{Pressure}
$P=\frac{F}{A}$
units: Pa = $\frac{N}{m^{2}}$
\textcompwordmark{}
\textbf{Static Pressure}
- pressure of object submerged in fluid
$P_{fluid}=\rho gh$
h is height of fluid above object
\textcompwordmark{}
\textbf{Absolute Pressure}
-adds atm pressure for open container
$P_{total}=P_{atm}+P_{fluid}=P_{atm}+P_{guage}$
$=P_{atm}+\rho gh$
\textcompwordmark{}
\textbf{Gauge Pressure}
- pressure due to liquid alone
$P_{guage}=P_{total}-P_{atm}=P_{fluid}$
\textcompwordmark{}
\textcompwordmark{}
\textbf{Weight}
$F_{g}=\rho gV=mg$
\textcompwordmark{}
\textbf{Pascals Principle}
$P=\frac{F_{1}}{A_{1}}=\frac{F_{2}}{A_{2}}$ (equal pressure)
$A_{1}d_{1}=A_{2}d_{2}$(same $\Delta V$)
$W=F_{1}d_{1}=F_{2}d_{2}$ (energy conserved)
small force, small area, big distance
–\textgreater{}large force, large area, small distance
\textcompwordmark{}
\textbf{Float or Sink?}
$\rho_{fluid}V_{disp}g=mg$
$\Rightarrow\rho_{fluid}V_{disp}=\rho_{obj}V_{obj}$
$\Rightarrow\frac{V_{disp}}{V_{obj}}=\frac{\rho_{obj}}{\rho_{fluid}}$
\textcompwordmark{}
\subsection{Flow}
\textcompwordmark{}
\textbf{Viscose Force}
$F_{viscosity}=\eta A\frac{V}{d}$
Unit of $\eta=\frac{F\,d}{A\,V}=Pa\cdot s$
1 Poise = $\frac{1}{10}Pa\cdot s$
\textcompwordmark{}
\textbf{Posieulle Flow}
$\frac{V}{t}=\frac{\Delta P\pi R^{4}}{8\eta L}$
\textcompwordmark{}
\textbf{{*} Continuity Eqn}
$A\,v=constant$
$\rho Av=constant$
$A_{1}V_{a}=A_{2}V_{2}$
\textcompwordmark{}
\textbf{Turbulence}
$V_{critical}=\frac{R\eta}{2\rho r}$
\textcompwordmark{}
\textbf{Surface Tension}
\textcompwordmark{}
\textbf{Bernoulli's Equation}
$p+\frac{1}{2}\rho V^{2}+\rho gh=constant$
\textcompwordmark{}
\textbf{Venturi Effect}
\newpage
\subsection{Gas Phase}
\textcompwordmark{}
\textbf{Kelvin Scale}
\textcompwordmark{}
\textbf{STP}
0C or 273K, 1 atm
1mole @STP = 22.4L
\textcompwordmark{}
\subsubsection{Ideal }
\textcompwordmark{}
\textbf{{*} Ideal Gas Law}
$PV=nRT$
\textcompwordmark{}
\textbf{{*} Avagadros Principle}
$\frac{n}{V}=k$
\textcompwordmark{}
\textbf{{*} Boyles Law}
$PV=k$
$P_{1}V_{1}=P_{2}V_{2}$
\textcompwordmark{}
\textbf{{*} Charles Law}
$\frac{V}{T}=k$
$\frac{V_{1}}{T_{1}}=\frac{V_{2}}{T_{2}}$
\textcompwordmark{}
\textbf{G-L Law}
$\frac{P}{T}=k$
\textcompwordmark{}
\textbf{Combined Gas Law}
$\frac{P_{1}V_{1}}{T_{1}}=\frac{P_{2}V_{2}}{T_{2}}$
\subsubsection{Non-ideal}
\textcompwordmark{}
\textbf{Vanderwalls Eqn of State}
$(P+\frac{n^{2}a}{V^{2}})(V=nb)=nRT$
$P_{1}=P_{o}+a\left[\frac{n}{v}\right]^{2}$
$V_{1}=V_{c}-nb$
n is \# of moles
a is a +/- constant
b is a constant
\subsubsection{Partial Pressure}
\textcompwordmark{}
\textbf{Mole Fraction}
$X_{A}=\frac{n_{A}}{n_{T}}=\frac{moles\,A}{mole\,total}$
\textcompwordmark{}
\textbf{Daltons Law of Partial Pressures}
$P_{T}=P_{A}+P_{B}+P_{c}+..$
$P_{A}=P_{T}X_{A}$
\textcompwordmark{}
\textbf{Henrys Law?}
\subsubsection{KineticMT}
\textcompwordmark{}
\textbf{Average Molecular Speed}
$k=\frac{1}{2}mv^{2}=\frac{3}{2}k_{B}T$
\textcompwordmark{}
\textbf{Root Mean Square}
$U_{rms}=\sqrt{\frac{sRT}{M}}$
\newpage
\section{Electromagnetism}
\subsection{Electrostatics}
\textcompwordmark{}
\textbf{Coulombs Law}
$F=k_{e}\frac{q_{1}q_{2}}{r^{2}}$
\textbf{\textcompwordmark{}}
\textbf{Electric Field}
$E=\frac{F_{e}}{q}=\frac{kQ}{r^{2}}$
Q is source charge of E field
q is the charge feeling the E field
Units: $\frac{N}{C}$ or $\frac{V}{m}$
\textcompwordmark{}
\textbf{Electric Potential Energy}
$U=q\Delta V=qEd=k_{e}\frac{qQ}{r}$
``work to move to point from $\infty$''
\textcompwordmark{}
\textbf{Electric Potential}
$V=\frac{U}{q}$
Units: J/C
\newpage
\subsection{Magnetism}
\textcompwordmark{}
Definition of magnetic field B
Motion of charged particles in magnetic fields; Lorentz force
\newpage
\subsection{Circuits}
\textcompwordmark{}
\textbf{{*}Current }
$I=\frac{Q}{\Delta t}$
Units:Amps=C/s
\textcompwordmark{}
\textbf{Potential Difference (Voltage)}
$\Delta V=\frac{W}{q}=\frac{kQ}{r}$
Units: J/c
Same as \textbf{EMF }in batteries
\textcompwordmark{}
\textbf{Kirchoff's Laws}
???????? what do these mean
\textcompwordmark{}
\textbf{Conductivity: Metallic}
\textcompwordmark{}
\textbf{Conductivity: Electrolytic }
\textbf{\textcompwordmark{}}
\textbf{Meters}
\subsubsection{Resistance}
\textcompwordmark{}
\textbf{Resistivity}
$R=\frac{\rho L}{A}$, where $\rho$ is some constant
\textcompwordmark{}
\textbf{{*} Ohms Law}
$V=IR$
\textcompwordmark{}
\textbf{Serial Resistors}
$R_{equiv}=R_{1}+R_{2}+...$
\textcompwordmark{}
\textbf{Parallel Resistors}
$\frac{1}{R_{equiv}}=\frac{1}{R_{1}}+\frac{1}{R_{2}}+...$
\textcompwordmark{}
\textbf{Power Dissipated by Resistors}
$P=IV=\frac{V^{2}}{R}=I^{2}R$
\textcompwordmark{}
\subsubsection{Capacitance}
\textcompwordmark{}
\textbf{Capacitance}
$C=\frac{Q}{V}$
\textcompwordmark{}
\textbf{Parallel Plates}
$V=Ed$
\textcompwordmark{}
\textbf{Energy Storage }
$U=\frac{1}{2}QV=\frac{1}{2}CV^{2}=\frac{1}{2}\frac{Q^{2}}{C}$
\textbf{\textcompwordmark{}}
\textbf{Parallel Capacitors}
$C_{eq}=C_{1}+C_{2}+....$
\textcompwordmark{}
\textbf{Serial Capacitors}
$\frac{1}{C_{eq}}=\frac{1}{C_{1}}+\frac{1}{C_{2}}+...$
\textcompwordmark{}
\textbf{Dialectrics?}
\newpage
\subsection{Electrochemistry}
\textcompwordmark{}
\textbf{Galvanic vs Electrolytic}
\begin{tabular}{|c|c|c|}
\hline
& Galvanic & Electrolytic\tabularnewline
\hline
\hline
$\Delta G^{\circ}$ & (-) & (+)\tabularnewline
\hline
EMF & (+) & (-)\tabularnewline
\hline
Sign of an & (-) & (+)\tabularnewline
\hline
Sign of cat & (+) & (-)\tabularnewline
\hline
\end{tabular}
For both types, ``AnOx RedCat''
= Ox @ an, Red@ cat
$\Rightarrow e^{-}$ flow from an to cat
\textcompwordmark{}
\textbf{Standard Reduction Potential}
$\uparrow E^{\circ}\Rightarrow\uparrow Probabilty\,its\,reduced$
(see Gibbs Free Energy below)
\textcompwordmark{}
\textbf{Standard EMF (induced voltage)}
$E_{cell}^{\circ}=E_{red}^{\circ}+E_{cat}^{\circ}$
measured under standard conditions
\textcompwordmark{}
\textbf{Gibbs Free Energy}
$\Delta G^{\circ}=-nFE^{\circ}$
$\Delta G^{\circ}=-RTlnK_{eq}$
$\Rightarrow E^{\circ}=\frac{RT}{nF}lnK_{eq}$
F=Faradays Constant \textasciitilde{}=10\textasciicircum{}5
R=gas constant \textasciitilde{}=8
n=moles of $e^{-}$transfered
RT/F has units of volts
\textcompwordmark{}
\textbf{Nernst Equation}
$E=E^{\circ}-\frac{RT}{nF}lnQ$
(comes from: $\Delta G=\Delta G^{\circ}+RTlnQ$)
$\uparrow Q\Rightarrow\downarrow E$
\textcompwordmark{}
\textbf{Faradays Law of Electrolysis}
$I\,t=nF$
n = moles of $e^{-}$
\textcompwordmark{}
\textbf{Oxidations Rules}
- Elemental forms are always zero.
- Number given in table below are overridden when combined with an element of higher electonegativity
-dont confuse with formal charge
\begin{tabular}{|c|c|}
\hline
Element & ox \#\tabularnewline
\hline
\hline
G 1A & +1\tabularnewline
\hline
G 2A & +2\tabularnewline
\hline
H & +1(w/ non-metal)\tabularnewline
\hline
& -1 (w/ metal)\tabularnewline
\hline
O & -1 (in peroxides $O_{2}^{-}$)\tabularnewline
\hline
& -2 (everything else)\tabularnewline
\hline
G 7A & -1 \tabularnewline
\hline
Cl & -1 (except w/ O of F)\tabularnewline
\hline
S & -2??\tabularnewline
\hline
\end{tabular}
\textbf{\textcompwordmark{}}
\textbf{Common Oxidizing Agents}
-oxidizing agents almost always contain oxygen
-reducing often contain metal ions of hydrides
\begin{tabular}{|c|c|}
\hline
Ox & Red\tabularnewline
\hline
\hline
$O_{2}$ & CO\tabularnewline
\hline
$H_{2}O_{2}$ & C\tabularnewline
\hline
Halogens & B5H6\tabularnewline
\hline
H2SO4 & Sn2+ \tabularnewline
\hline
HNO3 & Hydrazine\tabularnewline
\hline
NaClO & Zn(Hg)\tabularnewline
\hline
KMnO4 & Lindlars\tabularnewline
\hline
CrO3, Na2Cr2O7 & NaBH4\tabularnewline
\hline
PCC & LiAlH4\tabularnewline
\hline
NAD+, FADH & NADH, FADH\tabularnewline
\hline
\end{tabular}
\textcompwordmark{}
\newpage
\section{Periodic Motion}
\subsection{Oscillatory Motion}
\textcompwordmark{}
\textbf{Angular Frequency}
$\omega=\frac{\pi}{t}$
for SHM: $\omega=\sqrt{\frac{k}{m}}$
units: radians/sec
\textcompwordmark{}
\textbf{Amplitude}
-max displacement from equilibrium
$A=\frac{x(t)}{cos(\omega t)}$
\textcompwordmark{}
\textbf{Period}
$T=\frac{2\pi}{\omega}$
- the time it takes motion to repeat itself
\textcompwordmark{}
\textbf{Frequency}
$f=\frac{1}{T}$
Unit: Hz =1 oscillation/sec
\textcompwordmark{}
\textbf{Phase}
$x(t)=A\,cos(\omega t+\phi)$
$\phi=$phase constant
$\phi>0\Rightarrow left\,shift$
$\phi<0\Rightarrow right\,shift$
$\phi$ doesnt effect \emph{A} or \emph{f}
\newpage
\subsection{Wave Motion}
\textcompwordmark{}
\textbf{General definition of waves}
a traveling disturbance that transports energy but not matter
\textcompwordmark{}
\textbf{Longitudinal Wave}
oscillation in same direction as propagation (e.g., sound)
\textcompwordmark{}
\textbf{Transverse Wave }
oscilation perpendicular direction of propogation (e.g., a stadium wave)
\textbf{\textcompwordmark{}}
\textbf{Period}
\emph{time }over which wave pattern repeats
\textcompwordmark{}
\textbf{Wavelength}
\emph{distance }over which pattern repeats
\textcompwordmark{}
\textbf{Propagation Speed}
$v=\frac{\lambda}{T}=\lambda\,f$
\subsubsection{Sound }
\textcompwordmark{}
\textbf{Intensity}
$dB=10\,log_{10}(\frac{I}{I_{0}})$
\textcompwordmark{}
\textbf{Doppler Effect{*}}
can actually apply to any wave
\newpage
\section{Optics}
\subsection{Physical Optics}
\textcompwordmark{}
\textbf{Properties of electromagnetic radiation:}
Velocity equals constant c, in vacuo
Electromagnetic radiation consists of perpendicularly oscillating electric and magnetic fields; direction of propagation is perpendicular to both
\textcompwordmark{}
\textbf{Polarization of light: linear and circular }
\textcompwordmark{}
\subsubsection{Interf and Diffrac}
\textcompwordmark{}
\textbf{Interference Maxima}
$dsin\theta=m\lambda$
d=distance btwn slits
m=1,2,3....
\textcompwordmark{}
\textbf{Diffraction Limit (Rayleigh Criterion)}
$\theta_{d}=\frac{1.22\lambda}{D}$
D=diamter of circular apature
theta =angle of seperation
\textcompwordmark{}
\textbf{X-ray diffraction}
$2d\,sin\theta=m\,\lambda$
\textcompwordmark{}
\textbf{Diffraction Grating}
$\frac{\lambda}{\Delta\lambda}=mN$
\subsubsection{EMR Spectrum}
\textcompwordmark{}
Classification of electromagnetic spectrum
Visual spectrum, color
\textcompwordmark{}
\textbf{Photon Energy}
$E=hf$
\newpage~\newpage
\subsection{Spectroscopy}
\textcompwordmark{}
\textbf{Infared}
\textbf{}%
\begin{tabular}{|c|c|c|}
\hline
Vibration & Peak (cm-1) & Shape\tabularnewline
\hline
\hline
O-H & 3100-3500 & broad\tabularnewline
\hline
N-H & 3100-3500 & sharp\tabularnewline
\hline
C=O & 1700-1750 & sharp\tabularnewline
\hline
\end{tabular}
{*}Peaks given in wave numbers
{*}Fingerprint: region below 1400
$Wave\#=\frac{1}{\lambda}\,\propto\,f=\frac{c}{\lambda}$
$Abs=2-log(\%\,Transmitance)$
$\Rightarrow\downarrow\%T\Rightarrow\uparrow Abs$
\textcompwordmark{}
\textbf{NMR Spectroscopy}
\begin{tabular}{|c|c|}
\hline
Group & $\delta(ppm)$\tabularnewline
\hline
\hline
Alky & 0-3\tabularnewline
\hline
Alkynes & 2-3\tabularnewline
\hline
Alkenes & 4.6-6\tabularnewline
\hline
Aromatics & 6-8.5\tabularnewline
\hline
Aldehydes & 9-10\tabularnewline
\hline
COOH & 10.5-12\tabularnewline
\hline
\end{tabular}
$\#\,peaks=n+1$, where n is the number of non-identical protons less than 3 bonds away
$area\,under\,peak(s)\propto\#\,identical\,H^{+}$
\textcompwordmark{}
\textbf{UV-Vis}
$\downarrow\left|HOMO-LUMO\right|\Rightarrow\downarrow f_{absorption}$
$\uparrow conjugation\Rightarrow\downarrow f_{absorption}$
\newpage
\subsection{Geometrical Optics}
applies when object size \textgreater{}\textgreater{} $\lambda$
\subsubsection{Reflec and Refrac}
\textcompwordmark{}
\textbf{Refractive Index}
$n=\frac{c}{v}$
\textcompwordmark{}
\textbf{{*} Snell's Law}
{\Large{}$\frac{sin\theta_{1}}{sin\theta_{2}}=\frac{v_{1}}{v_{2}}=\frac{n_{2}}{n_{1}}=\frac{\lambda_{1}}{\lambda_{2}}$}{\Large \par}
\newpage
\subsubsection{Thin Lenses}
\textcompwordmark{}
\textbf{{*} Spherical Lense Eqn}
$\frac{1}{f}=\frac{1}{o}+\frac{1}{i}$
\textcompwordmark{}
\textbf{Power}
$P=\frac{1}{f}$
units: diapters, D=$m^{-1}$
\textcompwordmark{}
\textbf{Magnification}
$M=\frac{-i}{o}$
\textbf{\textcompwordmark{}}
\textbf{Image hieght}
$\frac{o}{i}=\frac{h_{o}}{h_{i}}$
\textbf{\textcompwordmark{}}
\textbf{Radius of Curvature}
$R=2f$
\subsubsection{Spherical Mirrors}
\textcompwordmark{}
\textbf{Eqn}
$\frac{1}{f}=\frac{1}{i}+\frac{1}{o}=\frac{2}{R}$
\newpage
\section{Thermodynamics}
\subsection{Heat Eqns }
\textcompwordmark{}
\textbf{First Law of Thermodynamics}
$\Delta U=Q-W$
\begin{tabular}{|c|c|}
\hline
Q = 0 & Adiabtic\tabularnewline
\hline
W = 0 & Isovolumetric/Isochoric\tabularnewline
\hline
$\Delta U=0$ & Isothermal\tabularnewline
\hline
$\Delta P=0$ & Isobaric\tabularnewline
\hline
\end{tabular}
\textcompwordmark{}
\textbf{Specific Heat}
$c=\frac{Q/\Delta T}{m}$
\textbf{\textcompwordmark{}}
\textbf{Heat Capacity}
$mc=\frac{Q}{\Delta T}$
\textcompwordmark{}
\textbf{Heat of Absorption}
$Q=mc\Delta T$
\textcompwordmark{}
\textbf{Heat of Transformation}
$Q=mL$
\textcompwordmark{}
\textbf{Heat Transfer}
Conduction = molec collisions
Convection = fluid motion
Radiation = electromag waves
\textcompwordmark{}
\textbf{Thermal Expansion}
$\Delta L_{linear}=\alpha L_{0}\Delta T$
$\Delta A_{area}=??$
$\Delta V_{volume}=\beta V_{0}\Delta T$
\textcompwordmark{}
\textbf{Entropy}
$\Delta S=\frac{Q_{rev}}{T}$
Qrev=heat lost in reverse rxn
T=temp in kelvin
\textcompwordmark{}
\textbf{PV Diagrams}
W=-area on PV graph
$W=\int_{path}\mathbf{F}\cdot d\mathbf{s}=\int P\,dv$
\newpage
\subsection{Chemical Equilibria}
\textcompwordmark{}
\textbf{General Rxn}
$aA+bB\rightarrow cC+dD$
\textcompwordmark{}
\textbf{Equilibrium Constant}
$rate_{forward}=rate_{reverse}$
$K_{c}=K_{eq}=\frac{K_{forw}}{K_{rev}}=\frac{[C]^{c}[D]^{d}}{[A]^{a}^{b}}$
\textcompwordmark{}
\textbf{Reaction Quotient}
$Q_{c}=\frac{[C]^{c}[D]^{d}}{[A]^{a}^{b}}$
\newpage
\subsection{Isobaric Rxns}
\textcompwordmark{}
\textbf{Standard Conditions ($^{\circ}$)}
25C or 298 K, 1 atm, 1 M concentration
\textcompwordmark{}
\textbf{Physiological Conditions}
....
\textcompwordmark{}
\textbf{Heat of Reaction}
$\Delta H_{rxn}^{\circ}=\Sigma_{i}\Delta H_{f\,products}^{\circ}$
$\;\;\;\;\;\;\;\;\;\;\;\;\;\;-\Sigma_{i}\Delta H_{f\,reactants}^{\circ}$
- same applies for entropy and all other state functions (e.g. pressue, density, temperature, volume, enthalpy, internal energy, free energy; see Hess's Law)
\textcompwordmark{}
\textbf{Bond Enthalpy}
$\Delta H_{rxn}^{\circ}=\Sigma_{i}\Delta H_{broken}-\Sigma_{i}\Delta H_{formed}$
\textcompwordmark{}
\textbf{Gibbs Free Energy}
$\Delta G=\Delta H-T\Delta S$
$\Delta G^{\circ}=-R\,T\,ln(K_{eq})$
$\Delta G=\Delta G^{\circ}+RT\,ln\frac{Q}{K_{eq}}=ln\frac{Q}{K_{eq}}$
T is in Kelvin!
\subsection{Isovolumetric Calorimetry}
\newpage
\section{Kinetics}
\textcompwordmark{}
\textbf{General Rxn}
$aA+bB\rightarrow cC+dD$
\textcompwordmark{}
\textbf{Definition of Rate}
$rate=\frac{\Delta[A]}{a}=-\frac{\Delta}{b\Delta t}=\frac{\Delta[C]}{c\Delta t}=\frac{\Delta[D]}{c\Delta t}$
for simplicity i will say rate = dP/dt, where P={[}Products{]}
units:$\frac{mol}{l\cdot s}=\frac{M}{s}$
\textcompwordmark{}
\textbf{General Rate Law}
$\frac{dP}{dt}=k[A]^{x}^{y}$
k=rate constant of rxn
x and y must be determines experimentally for a given rxn at a given temp
example:
\begin{tabular}{|c|c|c|}
\hline
{[}A{]} & {[}B{]} & rate\tabularnewline
\hline
\hline
1.0 & 1.0 & 2.0\tabularnewline
\hline
1.0 & 2.0 & 8.1\tabularnewline
\hline
2.0 & 2.0 & 15.9\tabularnewline
\hline
\end{tabular}
$\Rightarrow rate=k[A]^{1}^{2}$
$(\Delta[reactants])^{x}=(\Delta rate)$
\textcompwordmark{}
\textbf{Zero Order}
$\frac{dP}{dt}=k[A]^{0}^{0}=k$
\textcompwordmark{}
\textbf{First Order}
$\frac{dP}{dt}=k[A\,or\,B]$
\textcompwordmark{}
\textbf{Second Order}
$\frac{dP}{dt}=k[A]^{1}^{1}$
$\frac{dP}{dt}=k[A\,or\,B]^{2}$
\textbf{\textcompwordmark{}}
\textbf{Broken Order}
fractional exponents
\textcompwordmark{}
\textbf{Mixed Order}
rate constants vary over time
\textcompwordmark{}
\textbf{Collision Theory}
$rxn\,rate=Z\times f$
Z = total \# collisions per time
f = fraction of effective collisions
\textcompwordmark{}
\textbf{Arrhenius Eqn}
$k=Ae^{\frac{-E_{a}}{RT}}$
k = rate constant of rxn
A = frequency of collisions (s-1)
$E_{a}$= activation energy
R = ideal gas constant
T = temperature IN KELVIN
\textcompwordmark{}
\textbf{M-M Eqn}
\newpage
\section{Solution Chemistry}
\subsection{Definitions and Rules}
\textcompwordmark{}
\textbf{Dilutions}
$M_{i}V_{i}=M_{f}V_{f}$
\textcompwordmark{}
\textbf{Mole Fraction}
$X_{A}=\frac{mole\:A}{total\,moles\,of\,all\,specieis}$
\textcompwordmark{}
\textbf{Molarity (M)}
$M=\frac{moles\,solute}{liters\,soltuion}$
\textcompwordmark{}
\textbf{Molality (m)}
$m=\frac{mole\,solute}{kg\,solvent}$
\textcompwordmark{}
\textbf{Normality}
$N=\frac{\#\,equivs\,of\,interest}{liters\,soln}$
? or is it ``\# g equivalent weights?''
``molarity of the 'stuff' of interest''
\textcompwordmark{}
\textbf{Osmolality}
$Osmoles=\frac{\#\,seperate\,molecules}{L_{solution}}$
\textcompwordmark{}
\textbf{Solubility Rules}
1. Water soluble IF \emph{cation} = alkali metal (G1) or ammonium (NH4+)
2. Water soluble IF \emph{anion} = nitrate (NO3-) or acetate (CH3COO-)
Refer to Kaplan text for additional rules to know...
\textcompwordmark{}
\textbf{Equivalents}
amnt of substance that will produce or react with 1 mole of H+ or OH- ions
\newpage
\subsection{Colligative Properties}
\textcompwordmark{}
\textbf{Vapor Pressure Depression (Raoults Law)}
$P_{A}=X_{A}P_{A}^{\circ}$
\textcompwordmark{}
\textbf{Boiling Point Elevation}
$\Delta T_{b}=iK_{b}m$
i = \# of particles into which compound dissasociates
m=molalility of soln
\textcompwordmark{}
\textbf{Freezing Point Depression}
$\Delta T_{f}=iK_{f}m$
``amount that normal freezing point is lowered''
\textcompwordmark{}
\textbf{Osmotic Pressure}
$\Pi=iMRT$
R = ideal gas constant
\textcompwordmark{}
\textbf{Diffusion}
$\frac{r_{1}}{r_{2}}=\sqrt{\frac{M_{2}}{M_{1}}}$
r = diffusion rate
M = molar masses of gasses
\textcompwordmark{}
\textbf{Henrys Law?}
\newpage
\subsection{Acids and Bases}
\textcompwordmark{}
\textbf{Estimation}
$log(n\times10^{m})\approx m+0.n$
\vspace{0.2cm}
$k_{a}=\frac{[X]^{2}}{[IC]-X}\approx x^{2},$when acid is weak
\textcompwordmark{}
\textbf{pH and pOH}
$pH+pOH=14$
\textcompwordmark{}
\textbf{Acid Disassociation}
$k_{a}=\frac{[H^{+}][A^{-}]}{[HA]}$
\textcompwordmark{}
\textbf{Base Disassociation}
\textbf{$k_{b}=\frac{[OH^{-}][HA]}{[A^{-}]}$}
\textcompwordmark{}
\textbf{Water Autoionization}
$k_{w}=[H^{+}][OH^{-}]$
$=k_{a}k_{b}$
$=\left(10^{-7}\right)\left(10^{-7}\right)=10^{-14}$
\textcompwordmark{}
\textbf{Henderson-Hasselbalch}
$pH=pK_{a}+log\frac{\left[A^{-}\right]}{\left[HA\right]}$
\vspace{0.2cm}
$pOH=pK_{b}+log\frac{\left[HA\right]}{\left[A^{-}\right]}$
\vspace{0.2cm}
- HA=weak acid and HB=weak base
- can only be used in buffer region
\textcompwordmark{}
\textbf{Neutralization w/ reactants 1:1}
$M_{a}V_{a}=M_{b}V_{b}$
\textcompwordmark{}
\textbf{Equivalence Point for acidic (negative?) AA }
$\frac{pKa_{R-group}+pKa_{COOH}}{2}\approx\frac{pKa_{R-group}+9}{2}$
\textcompwordmark{}
\textbf{Equivalence Point for basic (positive?) AA}
$\frac{pKa_{R-group}+pKa_{NH2}}{2}\approx\frac{pKa_{R-group}+2}{2}$
\textcompwordmark{}
\textbf{pH approximation}
$log(m\times10^{n})\approx n+\frac{m}{10}$
$\Rightarrow pH=-log([H^{+}])\approx-n-\frac{m}{10}$
\newpage
\section{Atomic Physics}
\textcompwordmark{}
\textbf{Atomic Structure}
$E_{electron}=\frac{-R_{H}}{n^{2}}$
\textcompwordmark{}
$E_{photon}=\frac{hc}{\lambda}$
\textcompwordmark{}
\textbf{Electronic Configuration}
??? n+l rule
\textcompwordmark{}
\textbf{Exponential Decay Formula}
$n=n_{o}=e^{-\lambda t}$
\textcompwordmark{}
\textbf{Alpha Decay}
$_{92}^{238}U\rightarrow_{90}^{234}Th+_{2}^{4}He$
\textcompwordmark{}
\textbf{Beta-minus Decay}
$_{53}^{137}Cs\rightarrow_{56}^{137}Ba+_{-1}^{0}e^{-}+\overline{V_{e}}$
\textcompwordmark{}
\textbf{Beta-plus Decay}
$_{11}^{22}Na\rightarrow_{10}^{22}Ne+_{+1}^{0}e^{+}+\overline{V_{e}}$
\newpage
\subsection{Periodic Table}
\textcompwordmark{}
\textbf{Left to Right}
$\uparrow Z_{eff}$
$\downarrow Atomic\,Radii$
$\uparrow IE\,\&\,EA$
$\downarrow Ionic\,Radii$ (except no $\Delta$ for metaloids)
\textcompwordmark{}
\textbf{Top to Bottom}
slight$\downarrow Z_{eff}$
$\uparrow Atomic\,Radii$
$\uparrow IE\,\&\,EA$
$\uparrow Ionic\,Radii$ (including metaloids)
\newpage
\section{Genetics}
\textcompwordmark{}
\textbf{Recombination Frequency}
\textcompwordmark{}
\textbf{Hardy Weinberg Equilibrium}
\textcompwordmark{}
\textbf{Mendelian Inheritance}
\newpage
\section{SI Units}
\textcompwordmark{}
\textbf{SI Prefixes}
\begin{tabular}{|c|c|c|}
\hline
\emph{Symbol} & \emph{Prefix} & \textbf{\emph{$10^{x}$}}\tabularnewline
\hline
\hline
T & tera & 12\tabularnewline
\hline
k & kilo & 3\tabularnewline
\hline
– & – & 0\tabularnewline
\hline
c & centi & -2\tabularnewline
\hline
m & milli & -3\tabularnewline
\hline
$\mu$ & micro & -6\tabularnewline
\hline
n & nano & -9\tabularnewline
\hline
p & pico & -12\tabularnewline
\hline
f & femto & -15\tabularnewline
\hline
\end{tabular}
\textcompwordmark{}
\newpage
\section{Orgo Nomenclature}
\begin{tabular}{|c|c|c|}
\hline
{\scriptsize{}Group} & {\scriptsize{}Prefix} & {\scriptsize{}Suffix}\tabularnewline
\hline
\hline
{\scriptsize{}COOH} & {\scriptsize{}carboxy-} & {\scriptsize{}-oic acid}\tabularnewline
\hline
{\scriptsize{}Anhydrides} & {\scriptsize{}-alkanoyloxy} & {\scriptsize{}anhydride}\tabularnewline
\hline
& {\scriptsize{}-carbonyl} & \tabularnewline
\hline
{\scriptsize{}Esters} & {\scriptsize{}alkoxycarbonyl-} & {\scriptsize{}-oate}\tabularnewline
\hline
{\scriptsize{}Amides} & {\scriptsize{}carbomoyl-} & {\scriptsize{}-amide}\tabularnewline
\hline
{\scriptsize{}nitrile} & {\scriptsize{}cyano-} & {\scriptsize{}-nitrile}\tabularnewline
\hline
{\scriptsize{}Aldehydes} & {\scriptsize{}oxo-} & {\scriptsize{}-al}\tabularnewline
\hline
{\scriptsize{}Ketones} & {\scriptsize{}oxo- ket-} & {\scriptsize{}-one}\tabularnewline
\hline
{\scriptsize{}Alcohols} & {\scriptsize{}hydroxy-} & {\scriptsize{}-ol}\tabularnewline
\hline
{\scriptsize{}thiol} & {\scriptsize{}mercapto-} & {\scriptsize{}-thiol}\tabularnewline
\hline
{\scriptsize{}amine} & {\scriptsize{}amino-} & {\scriptsize{}-amine}\tabularnewline
\hline
{\scriptsize{}alkene} & {\scriptsize{}alkenyl} & {\scriptsize{}-ene}\tabularnewline
\hline
{\scriptsize{}alkyne} & {\scriptsize{}alkynyl} & {\scriptsize{}-yne}\tabularnewline
\hline
{\scriptsize{}alkane} & {\scriptsize{}alkyl} & {\scriptsize{}-ane}\tabularnewline
\hline
{\scriptsize{}ether} & {\scriptsize{}alkoxy} & {\scriptsize{}-ane}\tabularnewline
\hline
{\scriptsize{}alkyl halide} & {\scriptsize{}halo-} & {\scriptsize{}-ane}\tabularnewline
\hline
{\scriptsize{}nitro} & {\scriptsize{}nitro} & {\scriptsize{}-ane}\tabularnewline
\hline
\end{tabular}
\textcompwordmark{}
groups are in order of priority from top (highest) to bottom (lowest priority)
\end{document}