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+++ b/main.tex
@@ -1,243 +1,251 @@
-\documentclass[letterpaper]{article}
-
-\usepackage[T1]{fontenc}
-
-
-\usepackage{geometry}
-\geometry{margin = 1in}
-\usepackage{setspace}
-
-\usepackage{chemfig}
-
-\usepackage[style = chem-acs]{biblatex}
-\addbibresource{references.bib}
-
-\usepackage{graphicx}
-\usepackage{float}
-\newfloat{scheme}{htbp}{los}
-\floatname{scheme}{Scheme}
-\floatname{chart}{Chart}
-\newfloat{graph}{htbp}{loh}
-
-
-\usepackage{chemformula} % Formulas using \ch{}
-% or
-\usepackage[version = 4]{mhchem} % Formulas using \ce{}
-
-
-\setcounter{secnumdepth}{-1}
-
-\newcommand*\mycommand[1]{\texttt{\emph{#1}}}
-
-\usepackage{authblk}
-\author[1]{Shivam Tripathi}
-\author[1]{Keshav Anand}
-\affil[1]{Plano East Senior High School, Plano, TX, United States}
-
-\title{Acid-Catalyzed Tandem Hydrolysis--Esterification of Acetylsalicylic Acid 
-from Commerical Asprin Tablets to Form Methyl Salicylate}
-% Use the \date command for email address(s) of corresponding authors
-
-
-\begin{document}
-
-\maketitle
-
-\begin{abstract}
-  This is an example document for creating \LaTeX{} submissions to the American
-  Chemical Society (ACS) for publication. As ACS does not use \LaTeX{} for
-  typesetting accepted manuscripts, this template does not seek to
-  reproduce the appearance of a published paper.
-\end{abstract}
-
-
-\section{Introduction}
-
-Acetylsalicylic acid (ASA), \ch{C9H8O4}, is a synthetic organic derivative of salicylic acid 
-and is commonly known as aspirin~\cite{Fijakowski2022}.\\
-\begin{figure}[ht]
-  \centering
-  \vspace{1em} % Adds space above the molecule
-  \chemfig{*6(-=-(-O-[:-30](=[:-90]O)-[:+30]CH_3)=([:60]-[:90](=[:150]O)-[:30]OH)-=)}
-  \vspace{1em} % Adds space below the molecule
-  \caption{Chemical structure of ASA}
-  \label{fig:asa-structure}
-\end{figure}
-
-Commercial aspirin is commonly synthesized from salicylic acid through Eq~\ref{eq:aspirin-syn},
-and the two molecules differ by an ester group (\ch{-OCOCH3})~\cite{Sneader2000}.
-\begin{equation}
-    \ce{C7H6O3 + C4H6O3 ->[H2SO4] C9H8O4 + CH3COOH}
-    \label{eq:aspirin-syn}
-\end{equation} \\
-Another common derivative product of salicylic acid is methyl salicylate, \ch{C8H8O3}, commonly referred to 
-as wintergreen oil. Methyl salicylate is commonly used in edibles (e.g. gum, mints), perfumes, and pain-relief 
-ointments (e.g. Icy Hot, BenGay)~\cite{Guo2022}. Methyl salicylate also differs with salicylic acid by a single ester group and 
-has simply been esterified differently than ASA.\\
-
-\begin{figure}[ht]
-  \centering
-  \vspace{1em} % Adds space above the molecule
-  \chemfig{*6(-=-(-OH)=([:60]-[:90](=[:150]O)-[:30]O-[:+90]CH_3)-=)}
-  \vspace{1em} % Adds space below the molecule
-  \caption{Chemical structure of methyl salicylate}
-  \label{fig:methyl-salicylate}
-\end{figure}
-
-Due to the similarity between the two molecules, ASA can be reacted to synthesize methyl salicylate~\cite{Hartel2009}. 
-The purpose of this experiment was to convert acetylsalicylic acid obtained from 
-commercial aspirin tablets into methyl salicylate through acid-catalyzed esterification 
-in methanol under reflux conditions.
-
-
-\section{Results and discussion}
-
-\subsection{Outline}
-
-The document layout should follow the style of the journal concerned. Where
-appropriate, sections and subsections should be added in the normal way.
-
-\subsection{References}
-
-References should be given in the normal way in \LaTeX{}. If you are using
-\textsf{biblatex} (as recommended) then you can use the full range of citation
-commands it provides. If you choose to use classical Bib\TeX{}, the
-\textsf{natbib} package will be loaded and you can use it's commands.
-
-\subsection{Floats}
-
-New float types are set up in the preamble. The means graphics are included as
-follows (Scheme~\ref{sch:example}). As illustrated, the float is ``here'' if
-possible.
-\begin{scheme}
-  \centering
-  Your scheme graphic would go here: PDF graphics are recommended.
-  %\includegraphics{graphic}
-  \caption{An example scheme}
-  \label{sch:example}
-\end{scheme}
-
-
-
-The use of the different floating environments is not required, but it is
-intended to make document preparation easier for authors. In general, you
-should place your graphics where they make logical sense; the production
-process will move them if needed.
-
-\subsection{Math}
-
-If packages such as \textsf{amsmath} are required, they should be loaded in the
-preamble. However, the basic \LaTeX\ math(s) input should work correctly
-without this. Some inline material $1 + 1 = 2$ followed by some display. \[ A =
-\pi r^2 \]
-
-It is possible to label equations in the usual way (Eq.~\ref{eqn:example}).
-\begin{equation}
-  \frac{\mathrm{d}}{\mathrm{d}x} \, r^2 = 2r \label{eqn:example}
-\end{equation}
-This can also be used to have equations containing graphical content. To align
-the equation number with the middle of the graphic, rather than the bottom, a
-minipage may be used.
-\begin{equation}
-  \begin{minipage}[c]{0.80\linewidth}
-    \centering
-    As illustrated here, the width of \\
-    the minipage needs to allow some  \\
-    space for the number to fit in to.
-    %\includegraphics{graphic}
-  \end{minipage}
-  \label{eqn:graphic}
-\end{equation}
-
-\section{Experimental}
-
-The usual experimental details should appear here. This could include a table,
-which can be referenced as Table~\ref{tbl:example}. Notice that the caption is
-positioned at the top of the table.
-\begin{table}
-  \caption{An example table}
-  \label{tbl:example}
-  \centering
-  \begin{tabular}{ll}
-    \hline
-    Header one  & Header two  \\
-    \hline
-    Entry one   & Entry two   \\
-    Entry three & Entry four  \\
-    Entry five  & Entry five  \\
-    Entry seven & Entry eight \\
-    \hline
-  \end{tabular}
-\end{table}
-
-Adding notes to tables can be complicated. Perhaps the easiest method is to
-generate these using the basic \texttt{\textbackslash textsuperscript} and
-\texttt{\textbackslash emph} macros, as illustrated (Table~\ref{tbl:notes}).
-\begin{table}
-  \caption{A table with notes}
-  \label{tbl:notes}
-  \centering
-  \begin{tabular}{ll}
-    \hline
-    Header one                            & Header two \\
-    \hline
-    Entry one\textsuperscript{\emph{a}}   & Entry two  \\
-    Entry three\textsuperscript{\emph{b}} & Entry four \\
-    \hline
-  \end{tabular}
-
-  \textsuperscript{\emph{a}} Some text;
-  \textsuperscript{\emph{b}} Some more text.
-\end{table}
-
-The example file also loads the optional \textsf{chemformula} and
-\textsf{mhchem} packages, so that formulas are easy to input:
-\texttt{\textbackslash ce\{H2SO4\}} gives \ce{H2SO4}. The two have similar
-syntax but authors may prefer one or the other.
-
-The use of new commands should be limited to simple things which will not
-interfere with the production process. For example, \texttt{\textbackslash
-mycommand} has been defined in this example, to give italic, mono-spaced text:
-\mycommand{some text}.
-
-\section*{Acknowledgements}
-
-Please use ``The authors thank \ldots'' rather than ``The authors would like to
-thank \ldots''.
-
-\section*{Supporting information}
-
-A listing of the contents of each file supplied as Supporting Information
-should be included. For instructions on what should be included in the
-Supporting Information as well as how to prepare this material for
-publications, refer to the journal's Instructions for Authors.
-
-The following files are available free of charge.
-\begin{itemize}
-  \item Filename-1: brief description
-  \item Filename-2: brief description
-\end{itemize}
-
-\printbibliography
-
-\newpage
-
-\rule{0.05in}{1.75in}%
-\begin{minipage}[b][1.75in]{3.25in}
-  \sffamily
-  \frenchspacing
-
-  Some journals require a graphical entry for the Table of Contents. This
-  should be laid out ``print ready'' so that the sizing of the text is correct.
-
-  The space available depends on the journal: J. Am. Chem. Soc. allows 3.25 in
-  by 1.75 in and requires sanserif text. Some journals want different sizes:
-  you can easily adjust here.
-  
-  The two rules either side of the content are there to help judge the height
-  of your material: they may be deleted once not required.
-  
-\end{minipage}%
-\rule{0.05in}{1.75in}
-
-\end{document}
+\documentclass[letterpaper]{article}
+
+\usepackage[T1]{fontenc}
+
+
+\usepackage{geometry}
+\geometry{margin = 1in}
+\usepackage{setspace}
+
+\usepackage{chemfig}
+
+\usepackage[style = chem-acs]{biblatex}
+\addbibresource{references.bib}
+
+\usepackage{graphicx}
+\usepackage{float}
+\newfloat{scheme}{htbp}{los}
+\floatname{scheme}{Scheme}
+\floatname{chart}{Chart}
+\newfloat{graph}{htbp}{loh}
+
+
+\usepackage{chemformula} % Formulas using \ch{}
+% or
+\usepackage[version = 4]{mhchem} % Formulas using \ce{}
+
+
+\setcounter{secnumdepth}{-1}
+
+\newcommand*\mycommand[1]{\texttt{\emph{#1}}}
+
+\usepackage{authblk}
+\author[1]{Shivam Tripathi}
+\author[1]{Keshav Anand}
+\affil[1]{Plano East Senior High School, Plano, TX, United States}
+
+\title{Acid-Catalyzed Tandem Hydrolysis--Esterification of Acetylsalicylic Acid 
+from Commerical Asprin Tablets to Form Methyl Salicylate}
+% Use the \date command for email address(s) of corresponding authors
+
+
+\begin{document}
+
+\maketitle
+
+\begin{abstract}
+Methyl salicylate was synthesized from commercial aspirin tablets via an acid-catalyzed 
+  tandem hydrolysis–esterification sequence. Acetylsalicylic acid (ASA) was extracted 
+  from the tablet matrix into methanol and reacted under reflux with a catalytic 
+  volume of \ce{H2SO4}. This one-pot method facilitates simultaneous deacetylation 
+  and Fischer esterification, bypassing the isolation of a salicylic acid intermediate. 
+  The resulting methyl salicylate was isolated via aqueous quenching and 
+  liquid--liquid extraction. Crude product purification was achieved through 
+  neutralization with saturated \ce{NaHCO3} and drying over anhydrous \ce{MgSO4}. 
+  This synthesis demonstrates an efficient, high-yield conversion of a common 
+  pharmaceutical precursor into a high-value fragrance ester, highlighting 
+  fundamental principles of equilibrium-driven organic transformations and 
+  multistep one-pot synthesis.
+\end{abstract}
+
+
+\section{Introduction}
+
+Acetylsalicylic acid (ASA), \ch{C9H8O4}, is a synthetic organic derivative of salicylic acid 
+and is commonly known as aspirin~\cite{Fijakowski2022}.\\
+\begin{figure}[ht]
+  \centering
+  \vspace{1em} % Adds space above the molecule
+  \chemfig{*6(-=-(-O-[:-30](=[:-90]O)-[:+30]CH_3)=([:60]-[:90](=[:150]O)-[:30]OH)-=)}
+  \vspace{1em} % Adds space below the molecule
+  \caption{Chemical structure of ASA}
+  \label{fig:asa-structure}
+\end{figure}
+
+Commercial aspirin is commonly synthesized from salicylic acid through Eq~\ref{eq:aspirin-syn},
+and the two molecules differ by an ester group (\ch{-OCOCH3})~\cite{Sneader2000}.
+\begin{equation}
+    \ce{C7H6O3 + C4H6O3 ->[H2SO4] C9H8O4 + CH3COOH}
+    \label{eq:aspirin-syn}
+\end{equation} \\
+Another common derivative product of salicylic acid is methyl salicylate, \ch{C8H8O3}, commonly referred to 
+as wintergreen oil. Methyl salicylate is commonly used in edibles (e.g. gum, mints), perfumes, and pain-relief 
+ointments (e.g. Icy Hot, BenGay)~\cite{Guo2022}. Methyl salicylate also differs with salicylic acid by a single ester group and 
+has simply been esterified differently than ASA.\\
+
+\begin{figure}[ht]
+  \centering
+  \vspace{1em} % Adds space above the molecule
+  \chemfig{*6(-=-(-OH)=([:60]-[:90](=[:150]O)-[:30]O-[:+90]CH_3)-=)}
+  \vspace{1em} % Adds space below the molecule
+  \caption{Chemical structure of methyl salicylate}
+  \label{fig:methyl-salicylate}
+\end{figure}
+
+Due to the similarity between the two molecules, ASA can be reacted to synthesize methyl salicylate~\cite{Hartel2009}. 
+The purpose of this experiment was to convert acetylsalicylic acid obtained from 
+commercial aspirin tablets into methyl salicylate through acid-catalyzed esterification 
+in methanol under reflux conditions.
+
+
+\section{Results and discussion}
+
+\subsection{Outline}
+
+The document layout should follow the style of the journal concerned. Where
+appropriate, sections and subsections should be added in the normal way.
+
+\subsection{References}
+
+References should be given in the normal way in \LaTeX{}. If you are using
+\textsf{biblatex} (as recommended) then you can use the full range of citation
+commands it provides. If you choose to use classical Bib\TeX{}, the
+\textsf{natbib} package will be loaded and you can use it's commands.
+
+\subsection{Floats}
+
+New float types are set up in the preamble. The means graphics are included as
+follows (Scheme~\ref{sch:example}). As illustrated, the float is ``here'' if
+possible.
+\begin{scheme}
+  \centering
+  Your scheme graphic would go here: PDF graphics are recommended.
+  %\includegraphics{graphic}
+  \caption{An example scheme}
+  \label{sch:example}
+\end{scheme}
+
+
+
+The use of the different floating environments is not required, but it is
+intended to make document preparation easier for authors. In general, you
+should place your graphics where they make logical sense; the production
+process will move them if needed.
+
+\subsection{Math}
+
+If packages such as \textsf{amsmath} are required, they should be loaded in the
+preamble. However, the basic \LaTeX\ math(s) input should work correctly
+without this. Some inline material $1 + 1 = 2$ followed by some display. \[ A =
+\pi r^2 \]
+
+It is possible to label equations in the usual way (Eq.~\ref{eqn:example}).
+\begin{equation}
+  \frac{\mathrm{d}}{\mathrm{d}x} \, r^2 = 2r \label{eqn:example}
+\end{equation}
+This can also be used to have equations containing graphical content. To align
+the equation number with the middle of the graphic, rather than the bottom, a
+minipage may be used.
+\begin{equation}
+  \begin{minipage}[c]{0.80\linewidth}
+    \centering
+    As illustrated here, the width of \\
+    the minipage needs to allow some  \\
+    space for the number to fit in to.
+    %\includegraphics{graphic}
+  \end{minipage}
+  \label{eqn:graphic}
+\end{equation}
+
+\section{Experimental}
+
+The usual experimental details should appear here. This could include a table,
+which can be referenced as Table~\ref{tbl:example}. Notice that the caption is
+positioned at the top of the table.
+\begin{table}
+  \caption{An example table}
+  \label{tbl:example}
+  \centering
+  \begin{tabular}{ll}
+    \hline
+    Header one  & Header two  \\
+    \hline
+    Entry one   & Entry two   \\
+    Entry three & Entry four  \\
+    Entry five  & Entry five  \\
+    Entry seven & Entry eight \\
+    \hline
+  \end{tabular}
+\end{table}
+
+Adding notes to tables can be complicated. Perhaps the easiest method is to
+generate these using the basic \texttt{\textbackslash textsuperscript} and
+\texttt{\textbackslash emph} macros, as illustrated (Table~\ref{tbl:notes}).
+\begin{table}
+  \caption{A table with notes}
+  \label{tbl:notes}
+  \centering
+  \begin{tabular}{ll}
+    \hline
+    Header one                            & Header two \\
+    \hline
+    Entry one\textsuperscript{\emph{a}}   & Entry two  \\
+    Entry three\textsuperscript{\emph{b}} & Entry four \\
+    \hline
+  \end{tabular}
+
+  \textsuperscript{\emph{a}} Some text;
+  \textsuperscript{\emph{b}} Some more text.
+\end{table}
+
+The example file also loads the optional \textsf{chemformula} and
+\textsf{mhchem} packages, so that formulas are easy to input:
+\texttt{\textbackslash ce\{H2SO4\}} gives \ce{H2SO4}. The two have similar
+syntax but authors may prefer one or the other.
+
+The use of new commands should be limited to simple things which will not
+interfere with the production process. For example, \texttt{\textbackslash
+mycommand} has been defined in this example, to give italic, mono-spaced text:
+\mycommand{some text}.
+
+\section*{Acknowledgements}
+
+Please use ``The authors thank \ldots'' rather than ``The authors would like to
+thank \ldots''.
+
+\section*{Supporting information}
+
+A listing of the contents of each file supplied as Supporting Information
+should be included. For instructions on what should be included in the
+Supporting Information as well as how to prepare this material for
+publications, refer to the journal's Instructions for Authors.
+
+The following files are available free of charge.
+\begin{itemize}
+  \item Filename-1: brief description
+  \item Filename-2: brief description
+\end{itemize}
+
+\printbibliography
+
+\newpage
+
+\rule{0.05in}{1.75in}%
+\begin{minipage}[b][1.75in]{3.25in}
+  \sffamily
+  \frenchspacing
+
+  Some journals require a graphical entry for the Table of Contents. This
+  should be laid out ``print ready'' so that the sizing of the text is correct.
+
+  The space available depends on the journal: J. Am. Chem. Soc. allows 3.25 in
+  by 1.75 in and requires sanserif text. Some journals want different sizes:
+  you can easily adjust here.
+  
+  The two rules either side of the content are there to help judge the height
+  of your material: they may be deleted once not required.
+  
+\end{minipage}%
+\rule{0.05in}{1.75in}
+
+\end{document}