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**Which of the following is a widely used refrigerant in vapour compression refrigeration system (using…****For any system, what is the minimum number of degrees of freedom?****COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about****A system undergoes a change from a given initial state to a given final state either by an irreversible…****Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg…****The unit of equilibrium constant of a chemical reaction is the same as that of****Partial molar free energy of an element A in solution is same as its****Isobaric process means a constant process.****Linde gas liquefaction process employs cooling****The ammonia synthesis reaction represented by N2 + 3H2 2NH3; ΔH = - 22.4 kcal, is****Pick out the extensive property out of the following.****Joule-Thomson Co-efficient at any point on the inversion curve is****The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by****The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT)…****Sound waves propagation in air exemplifies an __________ process.****For an isothermal process, the internal energy of a gas****Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity…****The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant…****In any spontaneous process, the __________ free energy decreases.****A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.****Third law of thermodynamics is concerned with the****The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…****The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in…****The free energy change for a chemical reaction is given by (where, K = equilibrium constant)****The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is****Pick out the correct statement:****Pick out the wrong statement.****Compound having large heat of formation is****In an ideal gas mixture, fugacity of a species is equal to its****For an ideal gas, the chemical potential is given by**