Phase rule variables are intensive properties

Heat and work are both state function

The work done by expansion of a gas in vacuum is zero

_{P} and C_{V} are state function

**Specific/molar Gibbs free energy for a pure substance does not change during****Clausius-Clapeyron Equation gives accurate result, when the****Compressibility factor of a gas is****The activity of an ideal gas is numerically __________ its pressure.****For a given substance at a specified temperature, activity is __________ to fugacity.****Work done is a****Which of the following is not a common refrigerant?****Joule-Thomson Co-efficient at any point on the inversion curve is****Which of the following is not an intensive property?****Activity co-efficient is a measure of the****Pick out the correct statement.****Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression…****Claude gas liquefaction process employs cooling****The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for****Critical compressibility factor for all substances****If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…****The expression, nCv(T2 - T1), is for the __________ of an ideal gas.****Gibbs free energy of mixing at constant pressure and temperature is always****For spontaneous changes in an isolated system (S = entropy)****For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion…****A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will…****Pick out the wrong statement.****A change in state involving a decrease in entropy can be spontaneous, only if****The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components.…****Kopp's rule is used to calculate the heat capacity of****Melting of wax is accompanied with __________ in entropy.****Gibbs-Helmholtz equation is****Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.****First law of thermodynamics is mathematically stated as****Which of the following is an undesirable characteristic of a refrigerant?**