Equilibrium Molecular Interactions in Pure Gases

<table>Density (blue lines) and monomer fraction density (red lines) versus pressure in gaseous, liquid, and supercritical Nitrogen at (a) subcritical temperature, <svg height="10.9125" id="M40" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 51.549999 10.9125" width="51.549999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑇</tspan>
<tspan style="font-size: 12.50px; " x="10.339981" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="22.380369" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="28.63187" y="0">2</tspan>
<tspan style="font-size: 12.50px; " x="34.883369" y="0">0</tspan>
</text>
</g>
</g>
</svg> K; (b) supercritical temperature, <svg height="10.9125" id="M41" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 51.549999 10.9125" width="51.549999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑇</tspan>
<tspan style="font-size: 12.50px; " x="10.339981" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="22.380369" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="28.63187" y="0">3</tspan>
<tspan style="font-size: 12.50px; " x="34.883369" y="0">0</tspan>
</text>
</g>
</g>
</svg> K.</table>

Journal of Thermodynamics

Equilibrium Molecular Interactions in Pure Gases

Figure 3