A. States that n1dμ1 + n2dμ2 + ….njdμj = 0, for a system of definite composition at constant
temperature and pressure
B. Applies only to binary systems
C. Finds no application in gas-liquid equilibria involved in distillation
D. None of these
Advertisement
Related Mcqs:
- Gibbs-Duhem equation relates composition in liquid phase and the _____________ at constant temperature & pressure?
- A. Fugacity B. Partial pressure C. Activity co-efficient D. All (A), (B), and (C)...
- Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?
- A. [∂(G/T)/∂T] = – (H/T2) B. [∂(A/T)/∂T]V = – E/T2 C. Both A. and B. D. Neither A. nor B....
- The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x1. x2, where A is a constant. The corresponding equation for ln y1, where y1 is the activity co-efficient of component 1, is__________________?
- A. A . x22 B. Ax1 C. Ax2 D. Ax12...
- Gibbs free energy (F) is defined as__________________?
- A. F = E – TS B. F = H – TS C. F = H + TS D. F = E + TS...
- Gibbs free energy per mole for a pure substance is equal to the__________________?
- A. Latent heat of vaporisation B. Chemical potential C. Molal boiling point D. Heat capacity...
- Gibbs phase rule finds application, when heat transfer occurs by___________________?
- A. Conduction B. Convection C. Radiation D. Condensation...
- Gibbs-Helmholtz equation is__________________?
- A. ΔF = ΔH + T [∂(ΔF)/∂T]P B. ΔF = ΔH – TΔT C. d(E – TS) T, V < 0 D. dP/dT = ΔHvap/T.ΔVvap...
- Gibbs free energy at constant pressure and temperature under equilibrium conditions is___________________?
- A. ∞ B. 0 C. Maximum D. Minimum...
- Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?
- A. P + F – C = 2 B. C = P – F + 2 C. F = C – P – 2 D. P = F – C – 2...
- Specific/molar Gibbs free energy for a pure substance does not change during________________?
- A. Sublimation B. Vaporisation C. Melting D. Either A, B. or C....
Advertisement
