15.4: Appendix D- Miscellaneous Abbreviations and Symbols
- Page ID
- 23776
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\( \newcommand{\tx}[1]{\text{#1}} % text in math mode\)
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\( \newcommand{\rev}{\subs{rev}} % reversible\)
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D.1 Physical States
These abbreviations for physical states (states of aggregation) may be appended in parentheses to chemical formulas or used as superscripts to symbols for physical quantities. All but “mixt” are listed in the IUPAC Green Book (E. Richard Cohen et al, Quantities, Units and Symbols in Physical Chemistry, 3rd edition, RSC Publishing, Cambridge, 2007, p. 54).
\begin{array}{@{}ll@{}} \tx{g} & \tx{gas or vapor} \cr \tx{l} & \tx{liquid} \cr \tx{f} & \tx{fluid (gas or liquid)} \cr \tx{s} & \tx{solid} \cr \tx{cd} & \tx{condensed phase (liquid or solid)} \cr \tx{cr} & \tx{crystalline} \cr \tx{mixt} & \tx{mixture} \cr \tx{sln} & \tx{solution} \cr \tx{aq} & \tx{aqueous solution} \cr \tx{aq\(,\infty \)} & \tx{aqueous solution at infinite dilution} \end{array}
D.2 Subscripts for Chemical Processes
These abbreviations are used as subscripts to the \(\Del\) symbol. They are listed in the IUPAC Green Book (E. Richard Cohen et al, Quantities, Units and Symbols in Physical Chemistry, 3rd edition, RSC Publishing, Cambridge, 2007, p. 59–60).
The combination \(\Delsub{p}\), where “p” is any one of the abbreviations below, can be interpreted as an operator: \(\Delsub{p} \defn \partial/\partial\xi\subs{p}\) where \(\xi\subs{p}\) is the advancement of the given process at constant temperature and pressure. For example, \(\Delsub{c}H = \pd{H}{\xi\subs{c}}{T,p}\) is the molar differential enthalpy of combustion.
\begin{array}{@{}ll@{}} \tx{vap} & \tx{vaporization, evaporation (l \(\ra\) g)}\cr \tx{sub} & \tx{sublimation (s \(\ra\) g)}\cr \tx{fus} & \tx{melting, fusion (s \(\ra\) l)}\cr \tx{trs} & \tx{transition between two phases}\cr \tx{mix} & \tx{mixing of fluids}\cr \tx{sol} & \tx{solution of a solute in solvent}\cr \tx{dil} & \tx{dilution of a solution}\cr \tx{ads} & \tx{adsorption} \cr \tx{dpl} & \tx{displacement} \cr \tx{imm} & \tx{immersion} \cr \tx{r} & \tx{reaction in general} \cr \tx{at} & \tx{atomization} \cr \tx{c} & \tx{combustion reaction} \cr \tx{f} & \tx{formation reaction}\cr \end{array}
D.3 Superscripts
These abbreviations and symbols are used as superscripts to symbols for physical quantities. All but \('\), int, and ref are listed as recommended superscripts in the IUPAC Green Book (E. Richard Cohen et al, Quantities, Units and Symbols in Physical Chemistry, 3rd edition, RSC Publishing, Cambridge, 2007, p. 60).
\begin{array}{@{}ll@{}} \st & \tx{standard} \cr ^* & \tx{pure substance} \cr ' & \tx{Legendre transform of a thermodynamic potential} \cr \infty & \tx{infinite dilution} \cr \tx{id} & \tx{ideal} \cr \tx{int} & \tx{integral} \cr \textsf{E} & \tx{excess quantity} \cr \tx{ref} & \tx{reference state} \end{array}