\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{resaraj} \pdfinfo{ /Title (termochemistry.pdf) /Creator (Cheatography) /Author (resaraj) /Subject (Termochemistry 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}{4EA341} \definecolor{LightBackground}{HTML}{F3F9F3} \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{Termochemistry Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{resaraj} via \textcolor{DarkBackground}{\uline{cheatography.com/209482/cs/45062/}}} \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}resaraj \\ \uline{cheatography.com/resaraj} \\ \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 20th November, 2024.\\ 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*}{2} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Systems}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{A system can be open (freely exchanges energy and matter with the surroundings), closed (exchanges energy but not matter) or insulated (does not interact with the surroundings)} \tn % Row Count 4 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Sign conventions}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/resaraj_1732103668_Captura de pantalla 2024-11-20 125231.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{If the system gains heat, it is an endothermic process. If the system releases heat, it is an exothermic process.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Heat}} \tn % Row 0 \SetRowColor{LightBackground} {\emph{Q=m•Hs•ΔT}} & not a state function \tn % Row Count 1 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{4.4 cm} x{3.6 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Work}} \tn % Row 0 \SetRowColor{LightBackground} pressure-volume work & {\emph{W=Pext•V}} (if P=constant) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} if carried out in a reversible way & {\emph{W=-nRT•ln(V2/V1)}} \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.48 cm} x{5.52 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Ideal gas law}} \tn % Row 0 \SetRowColor{LightBackground} {\emph{P•V=nRT}} & R=0,082 atm•L/(K•mol) \tn % Row Count 1 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{4 cm} p{4 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Calorimeter bomb}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\emph{Q+W=0=ΔE}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} W=0 & Q=0 \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Qreleased+Qabsorbed=0} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\seqsplit{Qreaction+Qwater+Qcalorimeter=0}} \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\seqsplit{Qreaction+Mwater•(Tf-Ti)+Kcalorimeter•(Tf-Ti)=0}} \tn % Row Count 6 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Qreaction=Qv=ΔE} \tn % Row Count 7 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Laws of thermochemistry}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Lavoisier and Laplace laws}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{The energy change accompanying any transformation is equal and opposite to energy change accompanying the reverse process.} \tn % Row Count 4 (+ 3) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Hess Law}}} \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{The energy change accompanying any transformation is the same whether the process occurs in one step or many. The combination of chemical equations allows to determine unknown heats of reaction.} \tn % Row Count 9 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Standard States. Standard enthalpy of reaction}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{enthalpy change of a reaction in which all reactants and products are in their standard states} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{the standard enthalpy of formation of a pure element in its standard state is 0} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\seqsplit{ΔHº=Σvp•ΔHºf(products)-Σvp•ΔHºf(reactants)}} \tn % Row Count 6 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2 cm} x{6 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Units}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{1cal=4,184J} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Specific heat & quantity of heat required to change the temperature of one gram of the substance by one degree celsius \tn % Row Count 5 (+ 4) % Row 2 \SetRowColor{LightBackground} Molar heat & quantity of heat required to change the temperature of one mol of the substance by one degree celsius \tn % Row Count 9 (+ 4) % Row 3 \SetRowColor{white} Heat capacity & quantity of heat required to change the temperature of a system by one degree celsius \tn % Row Count 12 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{6.24 cm} x{1.76 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{First law of thermodynamics}} \tn % Row 0 \SetRowColor{LightBackground} Internal energy is the total energy in a system & {\emph{E=ΣEi}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} Principle of conservation of energy & {\emph{ΔE=Q+W}} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} For isolated system & {\emph{Q+W=0=ΔE}} \tn % Row Count 6 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Heat and work are means by which a system exchanges energy with the surroundings} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{4.32 cm} x{3.68 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Enthalpy (H)}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{It is the change in the internal energy when there is only pressure-volume work, and the pressure is constant} \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} {\emph{ΔE=Q+W=Qp-P•ΔV}} & {\emph{Qp=ΔE+P•ΔV}} \tn % Row Count 4 (+ 1) % Row 2 \SetRowColor{LightBackground} H=E+P•V & {\emph{ΔH=ΔE+VΔP+PΔV +ΔPΔV}} \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} if P=constant & {\emph{ΔH=Qp=m•Hs•ΔT=n•Hs•ΔT}} \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Relation of Qv and Qp (gases)}}} \tn % Row Count 9 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\emph{ΔH=ΔE+PΔV}}} \tn % Row Count 10 (+ 1) % Row 6 \SetRowColor{LightBackground} if P and T are constant & {\emph{ΔH=ΔE+ΔnRT}} \tn % Row Count 12 (+ 2) % Row 7 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\bf{Relation of Qv and Qp (solids and liquids)}}} \tn % Row Count 13 (+ 1) % Row 8 \SetRowColor{LightBackground} if P=constant-{}-\textgreater{}change in volume really small & {\emph{Qv≈Qp-{}-\textgreater{}ΔE≈ΔH}} \tn % Row Count 16 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Enthalpy and bond energy}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{ΔHr=ΣHbroken bonds-ΣHformed bonds} \tn % Row Count 1 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}