Infinity

Minus infinity

Zero

None of these

**The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for****The gas law (PV = RT) is true for an __________ change.****The extensive properties are****The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in****Critical temperature is defined as the temperature above which a gas will****If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of…****The number of degrees of freedom at the triple point of water is****The minimum number of phases that can exist in a system is****Helmholtz free energy (A) is defined as****Chemical potential is a/an****The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while…****The relation connecting the fugacities of various components in a solution with one another and to composition…****Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas…****The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is****At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous…****In a working refrigerator, the value of COP is always****At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.****Pick out the wrong statement.****High __________ is an undesirable property for a good refrigerant.****Entropy is a measure of the __________ of a system.****A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will…****Joule-Thomson effect i.e., a throttling process is a constant __________ process.****Pick out the wrong statement.****The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is****Domestic refrigerator usually works on the __________ refrigeration cycle.****The change in Gibbs free energy for vaporisation of a pure substance is****For an ideal solution, the value of activity co-efficient is****In a homogeneous solution, the fugacity of a component depends upon the****When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the…****Joule-Thomson co-efficient depends on the**