\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{Tana}
\pdfinfo{
  /Title (0620-chemistry-processes.pdf)
  /Creator (Cheatography)
  /Author (Tana)
  /Subject (0620 Chemistry Processes 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}{FFBA67}
\definecolor{LightBackground}{HTML}{FFF6EC}
\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{0620 Chemistry Processes Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Tana} via \textcolor{DarkBackground}{\uline{cheatography.com/144948/cs/31868/}}}
\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}Tana \\
  \uline{cheatography.com/tana} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 29th April, 2022.\\
   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{tabularx}{17.67cm}{p{1.727 cm} p{1.727 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Haber Process}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{For}}}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{• Industrial manufacture of ammonia} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{Raw materials}}}}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{• Nitrogen (fractional distillation of liquid air)} \tn 
% Row Count 5 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Hydrogen (cracking of hydrocarbons)} \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{Conditions}}}}} \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Temperature: 450°C} \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Low temperature since reaction is exothermic} \tn 
% Row Count 9 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Pressure: 200 to 300 atm} \tn 
% Row Count 10 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Favours side with lower gaseous moles (products side)} \tn 
% Row Count 12 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Catalyst: Iron granules} \tn 
% Row Count 13 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Granules used as they have high surface area, which helps speed up reaction (save time)} \tn 
% Row Count 15 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• N₂ and H₂ are continuously added in 1:3} \tn 
% Row Count 16 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Increases concentration, shifting equilibrium position to the right (increasing yield)} \tn 
% Row Count 18 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• NH₃ is continuously collected} \tn 
% Row Count 19 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Decreasing concentration of products shifts equilibrium position to the right (increasing yeild)} \tn 
% Row Count 21 (+ 2)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{Reaction}}}}} \tn 
% Row Count 22 (+ 1)
% Row 17
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{N₂₍₉₎ + H₂₍₉₎ → 2NH₃ (ΔH= negative, exothermic)} \tn 
% Row Count 24 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{+ Using higher temperature will reduce yield of NH₃  \newline + Using lower temperature will slow down the rate of reaction too much.  \newline + Using higher pressure will make the process too expensive  \newline + Using lower pressure will reduce yield of NH₃}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{p{1.727 cm} p{1.727 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Contact process}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{For}}}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{• Manufacture of sulfuric acid} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{Raw materials}}}}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{• Oxygen (from air)} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Sulfur} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{Conditions}}}}} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Temperature: 450°C (low temperature)} \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Reactions is exothermic thus, shifting equilibrium position to the left (higher temperature means lower yield and lower temperature means )} \tn 
% Row Count 10 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Pressure: 2 atm (high pressure)} \tn 
% Row Count 11 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Increase in pressure shifts equilibrium position to the right (lower gaseous moles present there)} \tn 
% Row Count 14 (+ 3)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Catalyst: V₂O₅} \tn 
% Row Count 15 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ To increase rate of reaction} \tn 
% Row Count 16 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{Reaction}}}}} \tn 
% Row Count 17 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{• S + O₂ → SO₂ (oxidation/combustion of sulfur)} \tn 
% Row Count 19 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• 2SO₂ + O₂ ⇌ 2SO₃ (oxidation/combustion of SO₂ to SO₃)} \tn 
% Row Count 21 (+ 2)
% Row 15
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{• SO₃ + H₂SO₄ → H₂S₂O₇ (sulfur trioxide absorbed to H₂SO₄ to produce oleum)} \tn 
% Row Count 23 (+ 2)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• H₂S₂O₇ + H₂O → 2H₂SO₄ (oleum added to water to make H₂SO₄)} \tn 
% Row Count 25 (+ 2)
% Row 17
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{{\bf{{\emph{Purification of gases}}}}} \tn 
% Row Count 26 (+ 1)
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{• Takes place after SO₂ is made to purify SO₂ and O₂} \tn 
% Row Count 28 (+ 2)
% Row 19
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Gases are passed through an electrostatic dust precipitator to remove insoluble impurities such as sand} \tn 
% Row Count 31 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{p{1.727 cm} p{1.727 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Contact process (cont)}}  \tn
% Row 20
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{→ Gases are passed through a scrubber to remove water soluble impurities} \tn 
% Row Count 2 (+ 2)
% Row 21
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{→ Gases are passed through a drying tower to remove moisture} \tn 
% Row Count 4 (+ 2)
% Row 22
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{→ Gases are passed through an arsenic purifier to remove arsenic impurities} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{+ Lower temperature not used, rate of reaction will be too slow  \newline + Low pressure favors side with more gaseous moles (reactants side in this reaction) \newline + Conditions such as adding the reactants and removing the product continuously are not mentioned as they don't affect the yield significantly   \newline + Trioxide is not absorbed into water because it produces a fine mist of sulfuric acid which is difficult to condense and highly dangerous}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}