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%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
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% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
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% Document Info
\author{sunyzz}
\pdfinfo{
  /Title (electrochemistry.pdf)
  /Creator (Cheatography)
  /Author (sunyzz)
  /Subject (Electrochemistry Cheat Sheet)
}

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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Electrochemistry Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{sunyzz} via \textcolor{DarkBackground}{\uline{cheatography.com/50431/cs/15385/}}}
\end{tabulary}
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}sunyzz \\
  \uline{cheatography.com/sunyzz} \\
  \end{tabulary}
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\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 5th April, 2018.\\
   Updated 5th April, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{4}

\begin{tabularx}{3.833cm}{x{1.7165 cm} x{1.7165 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Oxidation Rules}}  \tn
% Row 0
\SetRowColor{LightBackground}
Neutral Compound = 0 (NO -) & Ion= ion charge (w/ -) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
+1 w/ non-metals (Hydrogen) & Oxygen usually -2, -1 in peroxide (H2O2) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
-1 w/ metals (H) & Group 1A: always +1 \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
Halogens: usually -1, positive w/ oxygen & Group 2A: always +2 \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
F always -1 & Monatomic Ions: made with one atom, same as their charges \tn 
% Row Count 10 (+ 3)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{3.833cm}}{EXAMPLE:} \tn 
% Row Count 11 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.7165 cm} x{1.7165 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Redox Equations}}  \tn
% Row 0
\SetRowColor{LightBackground}
Reduction: gain of electrons & Oxidation: loss of electrons \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
e-: electron & OIL: oxidation is loss (of electrons) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
RIG: reduction is gain (of electrons) & OIL as half reaction: Na \textgreater{} Na(+) + e- \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
RIG as half reaction: Cl + e- \textgreater{} Cl- & for oxidation: e- on right \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
for reduction: e- is on left & If OX \# \textasciicircum{} it is OIL \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
EXAMPLE: & If OX \# goes down it is RIG \tn 
% Row Count 12 (+ 2)
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.7165 cm} x{1.7165 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Batteries}}  \tn
% Row 0
\SetRowColor{LightBackground}
Definition: a series of voltaic cells that produces a voltage that is the sum of the voltages of the individual cells & Types \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
Dry Cell Battery: Typical AA, AAA, C, \& D & Lead Storage: 12 V (6 cells that each provide 2V) \tn 
% Row Count 9 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Anode: Zinc, Cathode: graphite, all immersed in KOH & Anode: Lead, Cathode: PbO2, all immersed in sulfiric acid \tn 
% Row Count 12 (+ 3)
% Row 3
\SetRowColor{white}
Advantage: cheap and small & must be recycled! \tn 
% Row Count 14 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Disadvantage: not recharagable & to keep electrodes from touching, wood or glass fiber spacers are used \tn 
% Row Count 18 (+ 4)
% Row 5
\SetRowColor{white}
Recharagable Batteris: includes lithium ion, nickel-cadmium, and nickel metal hydride batteries & Voltage may vary as the H2SO4 is used, even after recharging \tn 
% Row Count 23 (+ 5)
% Row 6
\SetRowColor{LightBackground}
Built in or separate charger & Advantage: large voltage, can be recharged \tn 
% Row Count 26 (+ 3)
% Row 7
\SetRowColor{white}
Advantage: rechargable & Disadvantage: heavy, expensive, takes up a lot of space \tn 
% Row Count 29 (+ 3)
% Row 8
\SetRowColor{LightBackground}
Disadvantage: cost & Fuel Cells: 2H2(g) + O2 (g) \textgreater{} 2H2O(I) \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{3.833cm}{x{1.7165 cm} x{1.7165 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Batteries (cont)}}  \tn
% Row 9
\SetRowColor{LightBackground}
 & Hydrogen is oxidized, electrons used to create electricity \tn 
% Row Count 3 (+ 3)
% Row 10
\SetRowColor{white}
 & Used in spacecraft, too \$\$ for general use \tn 
% Row Count 6 (+ 3)
% Row 11
\SetRowColor{LightBackground}
 & Adv: no recharge, only emission is water \tn 
% Row Count 8 (+ 2)
% Row 12
\SetRowColor{white}
 & Dis: cost \tn 
% Row Count 9 (+ 1)
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.7165 cm} x{1.7165 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Calcuating Cell Potential}}  \tn
% Row 0
\SetRowColor{LightBackground}
Find correct half reactions on green sheet & Down reduction potential, oxidation more likely (more positive voltage) \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{3.833cm}}{Write down half reactions on paper along with voltage} \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{3.833cm}}{higher voltage is e red, flip other half reaction to make oxidation and change sign given on green sheet (write it backwards)} \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{3.833cm}}{Add the half reactions and voltages together (e- should cancel)} \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.68217 cm} x{1.75083 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Writing Half Reactions}}  \tn
% Row 0
\SetRowColor{LightBackground}
Assign oxidation numbers & Ex: Zn + Cu2+ \textgreater{} Zn2+ + Cu \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{3.833cm}}{Put the atoms with changing oxidation numbers in a separate reaction} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{3.833cm}}{Balance all atoms} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{3.833cm}}{Balance charge by adding e- to more positive side} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.7165 cm} x{1.7165 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Voltaic Cell}}  \tn
% Row 0
\SetRowColor{LightBackground}
Cathode: site of reduction (gaining e-) & Neutral atoms make solid metal \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Anode: sire of oxidation (losing e-) & Metal ions can usually dissolve in water \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Definition: devices that use a chemical reaction to create electricity & Cell Notation/Diagram: two half reactions combined \tn 
% Row Count 8 (+ 4)
% Row 3
\SetRowColor{white}
 & Ex: \seqsplit{Zn(s)|Zn2+(aq)||Cu2+(aq)|Cu(s)} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}