Editing Boynton and Bramley equation of state

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The '''Boynton and Bramley equation of state''' is given by <ref>[http://dx.doi.org/10.1103/PhysRev.20.46 W. P. Boynton and Arthur Bramley "A Modification of Van Der Waals' Equation", Physical Review '''20''' pp. 46-50 (1922)]</ref>
The '''Boynton and Bramley equation of state''' is given by <ref>[http://dx.doi.org/10.1103/PhysRev.20.46 W. P. Boynton and Arthur Bramley "A Modification of Van Der Waals' Equation", Physical Review '''20''' pp. 46-50 (1922)]</ref>


:<math>\left( p + \frac{a}{V^2}\right) (V-b) = \frac{RT}{\left(1+ \frac{\psi^2}{T^2}\right)}</math>
:<math>\left( p + \frac{a}{v^2}\right) (v-b) = \frac{RT}{\left(1+ \frac{\psi^2}{T^2}\right)}</math>


where <math>\psi</math> is a characteristic [[temperature]]. and  
where <math>\psi</math> is a characteristic [[temperature]]. and  
where:
where:
* <math> p </math> is the [[pressure]],
* <math> p </math> is the [[pressure]],
* <math> V </math> is the volume,
* <math> v </math> is the volume,
* <math> T </math> is the absolute [[temperature]],
* <math> T </math> is the absolute [[temperature]],
* <math> R  </math> is the [[molar gas constant]]; <math> R = N_A k_B </math>, with <math> N_A </math> being the [[Avogadro constant]] and <math>k_B</math> being the [[Boltzmann constant]].  
* <math> R  </math> is the [[molar gas constant]]; <math> R = N_A k_B </math>, with <math> N_A </math> being the [[Avogadro constant]] and <math>k_B</math> being the [[Boltzmann constant]].  
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For this equation at the [[critical points | critical point]] one has
For this equation at the [[critical points | critical point]] one has


:<math>\frac{RT_c}{p_cV_c} = \frac{8}{3}\left( 1 + \frac{\psi^2}{T_c^2}\right)</math>
:<math>\frac{RT_c}{p_cv_c} = \frac{8}{3}\left( 1 + \frac{\psi^2}{T_c^2}\right)</math>


==References==
==References==
<references/>
<references/>
[[category: Equations of state]]
[[category: Equations of state]]
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