For carbon dioxide, the van der Waals constants are: a = 0.364 ...

[Beheh]

For carbon dioxide, the van der Waals constants are: a = 0.364 Jm3/mol2, and b = 4.27  10-5 m3/mol.
 
  Assuming that the van der Waals equation holds at the critical point (where the p-V curve first becomes horizontal and has a point of inflection), what is the critical temperature of carbon dioxide?
  A)
 
  513 K
 
  B)
 
  592 K
 
  C)
 
  304 K
 
  D)
 
  1026 K
 
  E)
 
  326 K

Question 2

What type of particle accelerator has two large D-shaped electrodes with a small gap between them, through which an alternating potential difference accelerates the particles in a constant magnetic field?
 
  A) linear accelerator B) synchrotron
  C) cyclotron D) None of the above

[lou]

Answer to Question 1

C

Answer to Question 2

C

[Beheh]

Wow, this really help

[scikid]

Thanks for the timely response, appreciate it