Positive

Negative

Zero

May be positive or negative

**When liquid and vapour phases of one component system are in equilibrium (at a given temperature and…****Which of the following represents the Virial equation of state?****The most important application of distribution law is in****In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents…****Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature…****As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T)…****Heat is added at constant pressure in an ideal __________ cycle.****For a spontaneous process, free energy****Absorption/evolution of heat during conversion of a substance from one allotropic form to another is…****Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed…****For an ideal gas, the internal energy depends upon its __________ only.****Free energy change at equilibrium is****Mollier chart is a __________ plot.****At equilibrium condition, the chemical potential of a material in different phases in contact with each…****The total change in the enthalpy of a system is independent of the****Heat pump****The extensive properties are****An isentropic process is carried out at constant****__________ functions are exemplified by heat and work.****The standard state of a gas (at a given temperature) is the state in which fugacity is equal to****Entropy of the system decreases, when****Which of the following is not a common refrigerant?****For a constant volume process****The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is****__________ explains the equilibrium constant for any chemical reaction.****The thermodynamic law, PVy = constant, is not applicable in case of****A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature…****Pick out the correct equation relating 'F' and 'A'.****(1/V) (∂V/∂T)P is the mathematical expression****The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components.…**