The Critical Point of Ammonia, NH₃, Occurs at a Pressure

Multiple Choice

The critical point of ammonia, NH₃, occurs at a pressure of 11.3 MPa, temperature of 406 K and molar volume of 72.5 cm³ mol^-1. Determine the compression factor of ammonia at the critical point.

A) 0.243
B) 1
C) 4.12
D) 0.741