Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).
Entropy
Internal energy
Enthalpy
Gibbs free energy
- Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be
- Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression…
- Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the…
- A gas performs the maximum work, when it expands
- When a gas is expanded from high pressure region to low pressure region; temperature change occurs.…
- Clausius-Clapeyron equation is applicable to __________ equilibrium processes.
- Gibbs free energy (F) is defined as
- Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?
- In case of steady flow compression polytropic process (PVn = constant), the work done on air is the…
- Clausius-Clapeyron Equation gives accurate result, when the
- During the phase transition, __________ changes.
- Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.
- If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical,…
- Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…
- A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown…
- Degree of freedom of the system ice-watervapour will be
- In jet refrigerators, the refrigerating fluid is practically always
- Van Laar equation deals with the activity coefficients in
- Boiling of liquid is accompanied with increase in the
- The expression for the work done for a reversible polytropic process can be used to obtain the expression…
- The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium,…
- An isentropic process is carried out at constant
- Law of corresponding states says that
- __________ functions are exemplified by heat and work.
- Which of the following is not an extensive property?
- A domestic refrigerator has a/an __________ cooled condenser.
- Pick out the wrong statement.
- The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…
- A refrigerator may be termed as a
- The most important application of distribution law is in