Chemical Engineering Thermodynamics Quiz Questions and Answers Pdf - 2

Question: 6

The chemical potential of any constituent of an ideal solution does not depend upon the _____ of the solution.

(A) viscosity

(B) composition

(C) temperature

(D) pressure

Question: 7

Raoult’s law applies to

(A) idea liquid solution only

(B) non ideal liquid solutions

(C) any liquid solution

(D) ideal gas mixtures

Question: 8

The change of Gibbs free energy for vapourization of a pure substance is

(A) zero

(B) may be positive or negative

(C) positive

(D) negative

Question: 9

Gibbs free energy per mole for a pure substance is equal to the

(A) chemical potential

(B) heat capacity

(C) latent heat of vaporization

(D) molal boiling point

Question: 10

A change in state involving a decrease in entropy can be spontaneous, only if

(A) it takes place at constant volume

(B) it takes place isothermally

(C) it is isenthalpic

(D) it is exothermic