SETB2213 Quiz 1

Select virial equation of state.

• PV=RT

• The van der Waals equation

• Z=1+B/V

• PV/RT=1+B'P+C'P^2

The following statements are true for ideal gas, EXCEPT

• Valid at low pressure

• Compressibility factor = 1

• Molecular interaction is neglected

• Doesn't exist in real life

Given that the critical pressure and the critical temperature of ethanol are 61.48 bar and 513.9 K, respectively, what is the phase of ethanol at 600 K and 30 bar?

• Liquid

• Vapor

• Liquid/Vapor

• Saturated Vapor

Given the value of Z for species A, calculated using the Redlich/Kwong equation is 0.985. What is the most likely value of Z if calculated using the Peng/Robinson equation?

• 1.000

• 0.990

• 0.965

• 1.055

The cubic equations of state are applicable for both liquid and vapor.

• True

• False