Thermodynamics for Chemical

Which of the following is not correct for a reversible adiabatic process ? A. TVγ-1 = constant B. p1-γ.TY = constant C. PVγ = constantD. None of these

Equation which relates pressure, volume and temperature of a gas is called the__________________? A. Equation of state B. Gibbs Duhem equation C. Ideal gas equation D. None of these

At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be________________? A. More B. LessC. Same D. More or less; depending on the system

Mollier diagram is a plot of___________________? A. Temperature vs. enthalpy B. Temperature vs. enthalpyC. Entropy vs. enthalpy D. Temperature vs. internal energy

The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the ____________ temperature? A. CriticalB. Boyle C. Inversion D. Reduced

Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are_______________? A. Always greater than one B. Same at the same reduced temperature C. Same at the same reduced pressureD. Both B. & C

In a turbine, the fluid expands almost_________________? A. Isothermally B. IsobaricallyC. Adiabatically D. None of these

The number of degrees of freedom at the triple point of water is__________________? A. 0 B. 1 C. 2 D. 3

The chemical potential for a pure substance is ____________ its partial molal free energy? A. More than B. Less thanC. Equal to D. Not related to

A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system________________? A. its internal energy (U) decreases and its entropy (S) increasesB. U and S both decreases C. U decreases but S is constant D. U is constant but S decreases