Melting of wax is accompanied with __________ in entropy.
Increase
Decrease
No change
None of these
- 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