Prediction of the extent of a chemical reaction

Calculating absolute entropies of substances at different temperature

Evaluating entropy changes of chemical reaction

Both (B) and (C)

**Which of the following will increase the volume of a real gas by four times?****A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature.****Pick out the wrong statement****The free energy change for a chemical reaction is given by (where, K = equilibrium constant)****The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for****Joule-Thomson effect i.e., a throttling process is a constant __________ process.****Variation of equilibrium pressure with temperature for any two phases of a given substances is given…****Which of the following identities can be most easily used to verify steam table data for superheated…****Work done is a****Reduced pressure of a gas is the ratio of its****When a gas in a vessel expands, its internal energy decreases. The process involved is****What is the value of ln y (where y = activity co-efficient) for ideal gases?****The unit of equilibrium constant of a chemical reaction is the same as that of****If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________…****The internal energy of an ideal gas is a function of its __________ only.****The necessary condition for phase equilibrium in a multiphase system of N components is that the****With increase in pressure (above atmospheric pressure), the Cp of a gas****Partial molar free energy of an element A in solution is same as its****Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be****Internal energy change of a system over one complete cycle in a cyclic process is****Number of degrees of freedom for a three phase system in equilibrium comprising of three nonreacting…****1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated…****Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.****Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance…****Which of the following decreases with increase in pressure?****In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured…****In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process.****The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.****As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T)…****Entropy is a measure of the __________ of a system.**