\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% 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
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Xyloswagg96}
\pdfinfo{
  /Title (chemistry-111-chapter-1.pdf)
  /Creator (Cheatography)
  /Author (Xyloswagg96)
  /Subject (Chemistry 111 Chapter 1 Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A32121}
\definecolor{LightBackground}{HTML}{F9F1F1}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Chemistry 111 Chapter 1 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Xyloswagg96} via \textcolor{DarkBackground}{\uline{cheatography.com/30111/cs/15872/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Xyloswagg96 \\
  \uline{cheatography.com/xyloswagg96} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 30th May, 2018.\\
   Updated 23rd May, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Both Systems}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{1 Foot=12 Inches = 0.33= 5280 Miles} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{1 gallon = 4 quarts= 8 pints = 16 cups = 32 fluid ounces} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{1 pound = 16 ounces} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{200 pounds=ton} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{Kilo Deca Unit Deci Centi Milli Micro nano pico} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.92248 cm} x{1.51052 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Conversions from Imperial to Metric}}  \tn
% Row 0
\SetRowColor{LightBackground}
1 Pound = & 454 g \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
1 yd = & 0.914 m \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
1 qt = & 0.946 L \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.40753 cm} x{2.02547 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Significant Figure Rules}}  \tn
% Row 0
\SetRowColor{LightBackground}
Nonzero= & Significant \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Independent of Decimal = & 73.14 = 4 SF \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Zeros inbetween nonzeros = & Significant: 60.052 = 5 SF \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Trailing Zeros con Decimal = & Significant: 4.70 = 3 SF: 100= 1SF but 100. = 3 SF \tn 
% Row Count 8 (+ 3)
\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}{Scientific Notation Rules}}  \tn
% Row 0
\SetRowColor{LightBackground}
Convert \# \textgreater{}1 = & OG Dec Goes \textless{}- \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Convert \# \textgreater{}1 = & Multiply 10\textasciicircum{}x \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Convert \# \textless{}1 = & OG Dec goes -\textgreater{} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Convert \# \textless{}1 = & Multiply 10\textasciicircum{}-x \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{2.23145 cm} p{1.20155 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Multiplying \& Dividing Sig Fig}}  \tn
% Row 0
\SetRowColor{LightBackground}
Fewest SF = & \# used \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.95681 cm} x{1.47619 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Adding \& Subtracting SigFig}}  \tn
% Row 0
\SetRowColor{LightBackground}
Least \# after Dec = & Sig Fig \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Ex: 2.55+2.5= & 5.0 \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Sig Fig right of Dec= & Right of Sig fig \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.78516 cm} x{1.64784 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Adding \& Subtracting Sci Nota}}  \tn
% Row 0
\SetRowColor{LightBackground}
Convert to & standard form \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Make Exponents & similar \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.27021 cm} x{2.16279 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Conversions Between F,C, \& K}}  \tn
% Row 0
\SetRowColor{LightBackground}
F to C= & (F-32)/(5/9) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
C to F= & (9/5)C+31 \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
C to K & C+273.15 \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{0.99557 cm} x{2.43743 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Energy Conversions}}  \tn
% Row 0
\SetRowColor{LightBackground}
1 calorie= & 4.18 Joules (J) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
kcal= & 1 Calorie= 1000 calories \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{2.50609 cm} p{0.92691 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Calculating Density}}  \tn
% Row 0
\SetRowColor{LightBackground}
Density= & m/V \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{2.50609 cm} p{0.92691 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Calculating Density}}  \tn
% Row 0
\SetRowColor{LightBackground}
Density= & m/V \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.13289 cm} x{2.30011 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Specific Gravity}}  \tn
% Row 0
\SetRowColor{LightBackground}
Specific Gravity= & Density of object/Density of water \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}