What are the three solutions for V [m3/mol] from the Peng-Robinson equation for benzene at T = 400 K and P = 0.5 MPa?
A. (0.002 36)
B. (0.001 09)
C. (0.000 099 7, 0.000 568, 0.005 91)
D. (0.000 099 8, 0.000 526, 0.0159)
E. None of these
A. Incorrect. You have confused pressure and critical pressure in your calculations.
B. Incorrect. You probably “converted” the temperature by adding 273 to it. It is already in kelvins.
C. Correct. You should get values similar to these.
D. Incorrect. You did the calculation correctly, but these correspond to a pressure of 2 bar.
E. Incorrect. One of these is the set of values returned by the equation.
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