Aashi posted an Question
February 25, 2020 • 05:20 am 30 points
  • IIT JAM
  • Physics (PH)

Finding critical temperature of co2

the solution of this is coming out to be 0.1354K.. please correct me

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    Ruby negi

    i attached a complete derivation for critical temperature and also find the value of critical temperature for CO2 using the given value of a,b.

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    Paltu Sen best-answer

    Here the values of van der Waals constants are not given correctly. Also their units are not given. The correct values are a=0.364 Nm⁴/mol² and b=42.69x10^-6 m³/mol. Using these values you will get critical temperature=(8a/27Rb)=304.02 K=31.02 °C. Here R=8.31 J/mol.K .

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