deletions | additions       diff --git a/newpage_section_subsection_Cracking_begin__.tex b/newpage_section_subsection_Cracking_begin__.tex  index cb060ff..acdcad1 100644  --- a/newpage_section_subsection_Cracking_begin__.tex  +++ b/newpage_section_subsection_Cracking_begin__.tex 
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\newpage  \section \section{DF5}  \subsection{Cracking}  \begin{itemize}  \item Any reaction in which a larger molecule is made into smaller molecules 
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\item Bonds of reactant molecules break  \item New bonds form between the reactants, weakening catalyst-product bonds  \item Bonds break and product is released  \end{enumerate} \begin{itemize}  \item Large surface area required for contact  \begin{itemize}  \item Catalyst can be used on fine wire mesh  \item Catalyst can be finely divided  \item Catalyst can be supported by a porous material  \end{itemize}  \item Often transition metals  \end{itemize}  \subsubsection{Catalyst Poisoning}  \begin{itemize}  \item Stops catalyst functioning properly  \item Poison molecules more readily adsorbed to catalyst  \item Blocks active site  \item Prevents catalyst regeneration  \item Reason for use of expensive catalysts  \begin{itemize}  \item Cheap exhaust catalysts would be vulnerable to sulfur dioxide  \end{itemize}  \end{itemize}