The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by_________________?

Related Mcqs:

1. Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is________________?

   A. 0 B. 1 C. ∞ D. None of these...

2. At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) ?

   A. μ° + RT ln f B. μ°+ R ln f C. μ° + T ln f D. μ° + R/T ln f...

3. At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is____________________?

   A. Zero B. One C. Infinity D. Negative...

4. A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is_________________?

   A. The distribution law B. Followed from Margules equation C. A corollary of Henry’s law D. None of these...

5. The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

   A. 0.07 B. 0.09 C. 0.11 D. 0.13...

6. When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is___________________?

   A. Same in both the phases B. Zero in both the phases C. More in vapour phase D. More in liquid phase...

7. The chemical potential for a pure substance is ____________ its partial molal free energy?

   A. More than B. Less than C. Equal to D. Not related to...

8. The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?

   A. An open system of constant composition B. A closed system of constant composition C. An open system with changes in composition D. A closed system with changes in composition...

9. 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?

   A. 35 K B. 174 K C. 274 K D. 154 K...

10. Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature ____________ as its mole fraction increases?

    A. Decreases B. Decreases exponentially C. Increases D. Remain constant...