Thermodynamic Properties of Vapors from Speed of Sound

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Substance</td><td align="center" colspan="2"><svg height="12.175" id="M108" style="vertical-align:-2.29482pt" version="1.1" viewbox="0 0 9.2875004 12.175" width="9.2875004" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.675)"><path d="M516 277q0 -126 -140 -231q-36 -27 -75.5 -42.5t-63.5 -15.5q-38 0 -73 43q-10 -44 -18 -106q-18 -134 -32 -151q-12 -16 -40 -25t-46 -10l-5 14q22 38 84 406q16 92 44.5 146.5t88.5 95.5q68 47 136 47q63 0 101.5 -47.5t38.5 -123.5zM432 259q0 61 -27 101t-79 40
t-82 -49t-49 -148l-24 -127q42 -36 88 -36q79 0 126 61.5t47 157.5z" id="x1D70C"></path></g>
</svg> [kg × m<sup>−3</sup>]</td><td align="center" colspan="2"><svg height="11.6125" id="M109" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.45 11.6125" width="11.45" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.55)"><path d="M649 676l-22 -187l-33 -2q3 56 -12 94q-8 20 -31.5 26.5t-86.5 6.5h-74l-90 -491q-4 -23 -6 -36.5t1 -25t7 -16.5t18 -9t27 -5t41 -3l-6 -28h-286l4 28q68 5 84 18.5t28 76.5l94 491h-55q-74 0 -100.5 -6t-41.5 -23q-24 -29 -54 -98l-32 1q32 98 53 188h22q7 -18 15 -22
t37 -4h417q23 0 33.5 5t25.5 21h23z" id="x1D447"></path></g>
</svg> [K]</td><td align="center" colspan="2"><svg height="13.3" id="M110" style="vertical-align:-2.29482pt" version="1.1" viewbox="0 0 10.2 13.3" width="10.2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,8.863)"><path d="M570 304q0 -108 -87 -199q-40 -42 -94.5 -74t-105.5 -43q-41 0 -65 11l-29 -141q-9 -45 -1.5 -58t45.5 -16l26 -2l-5 -29l-241 -10l4 26q51 10 67.5 24t26.5 60l113 520q-54 -20 -89 -41l-7 26q38 28 105 53l11 49q20 25 77 58l8 -7l-17 -77q39 14 102 14q82 0 119 -36
t37 -108zM482 289q0 114 -113 114q-26 0 -66 -7l-70 -327q12 -14 32 -25t39 -11q59 0 118.5 81.5t59.5 174.5z" id="x1D45D"></path></g>
</svg> [MPa]</td></tr><tr class="thead"><td align="center">min</td><td align="center">max</td><td align="center">min</td><td align="center">max</td><td align="center">min</td><td align="center">max</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left">Ar</td><td align="center">0</td><td align="center">178.85835</td><td align="center">140</td><td align="center">280</td><td align="center">0</td><td align="center">9.75263</td></tr><tr><td align="left">N<sub>2</sub></td><td align="center">0</td><td align="center">87.29420</td><td align="center">115</td><td align="center">255</td><td align="center">0</td><td align="center">6.39904</td></tr><tr><td align="left">CH<sub>4</sub></td><td align="center">0</td><td align="center">61.37508</td><td align="center">180</td><td align="center">320</td><td align="center">0</td><td align="center">9.14395</td></tr><tr><td align="left">CO<sub>2</sub></td><td align="center">0</td><td align="center">171.96269</td><td align="center">290</td><td align="center">430</td><td align="center">0</td><td align="center">11.84715</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Journal of Thermodynamics

Thermodynamic Properties of Vapors from Speed of Sound

Table 2