Mathematical definition of critical point?(thermodynamics)

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SUMMARY

The discussion centers on finding the critical point parameters \( p_c \), \( T_c \), and \( v_c \) for a gas described by the Van der Waals equation \( (p + \frac{a}{v^2})(v - b) = kT \). The user initially struggled with the mathematical definition of a critical point but later confirmed that the equations provided in the Wikipedia article on critical points in thermodynamics are relevant and adequate for solving their problem. This indicates that understanding the Van der Waals equation and its implications is crucial for determining critical point parameters.

PREREQUISITES
  • Understanding of the Van der Waals equation of state
  • Familiarity with thermodynamic concepts such as critical points
  • Knowledge of mathematical definitions related to phase transitions
  • Basic proficiency in statistical mechanics
NEXT STEPS
  • Study the derivation of critical point parameters from the Van der Waals equation
  • Learn about phase transitions and their mathematical definitions in thermodynamics
  • Explore the implications of critical points in statistical mechanics
  • Review the Wikipedia article on critical points for additional context and examples
USEFUL FOR

Students and researchers in thermodynamics, particularly those studying phase transitions and the behavior of gases under various conditions, will benefit from this discussion.

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Homework Statement


If a gas is described by Van der Waals eqn (p+a/v^2)(v-b)=kT, find the critical pint p_c, T_c,and v_c

Homework Equations




The Attempt at a Solution


Actually this is just one intermediate step I got stuck for my stat mech homework, I don't even know the mathematical definition for critical point(I didn't learn quite well in my thermodynamics course), the only relevant equation I found is in wiki http://en.wikipedia.org/wiki/Critical_point_(thermodynamics), but I don't think it is adequate for my problem.
 
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Em.. sorry, I made a silly mistake in my mind, equations given in wiki should be adequate for my problem.
 

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