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The Critical Point of Hydrogen Sulifide, H2S, Occurs at a Pressure

Question 10

Multiple Choice

The critical point of hydrogen sulifide, H2S, occurs at a pressure of 9.01 MPa, volume of 97.9 m3 mol-1 and temperature of 374 K. Calculate the values of the van der Waals parameters a and b.


A) a = 12.7 MPa m6 mol-2 and b = 12.5 m3 mol-1
B) a = 89.2 MPa m6 mol-2 and b = 32.6 m3 mol-1
C) a = 36.2 MPa m6 mol-2 and b = 92.9 m3 mol-1
D) a = 57.1 MPa m6 mol-2 and b = 90.1 m3 mol-1

Correct Answer:

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