Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero

Melting of ice involves increase in enthalpy and a decrease in randomness

The internal energy of an ideal gas depends only on its pressure

Maximum work is done under reversible conditions

**When pressure is applied on the system, ice ↔ water, then****For an incompressible fluid, the __________ is a function of both pressure as well as temperature.****A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.****The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for****Which of the following represents the Virial equation of state?****Joule-Thomson co-efficient for a perfect gas is****Co-efficient of Performance (COP) of a refrigerator is the ratio of the****Standard temperature and pressure (S.T.P.) is****Heat of formation of an element in its standard state is****Melting of ice exemplifies a/an****The four properties of a system viz. P, V, T, S are related by __________ equation.****Third law of thermodynamics is helpful in****Refrigeration capacity of a household refrigerator may be round about __________ tons.****Pick out the extensive property out of the following.****Enthalpy 'H' is defined as****Absolute zero temperature signifies the****For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist…****Specific volume of an ideal gas is****Pick out the undesirable property for a good refrigerant.****During the phase transition, __________ changes.****The ammonia synthesis reaction represented by N2 + 3H2 2NH3; ΔH = - 22.4 kcal, is****The equation, Cp - Cv = R, is true for __________ gas.****If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…****In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through…****The expression, nRT ln(P1/P2), is for the __________of an ideal gas.****Second law of thermodynamics is concerned with the****In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases…****The co-efficient of performance (COP) of a refrigerating system, which is its index of performance,…****The first law of thermodynamics is a restatement of the law of conservation of****Activity co-efficient is a measure of the**