Critical temperature is defined as the temperature above which a gas will
Not liquify (barring exceptions)
Immediately liquify
Never liquify however high the pressure may be
None of these
- The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for
- A domestic refrigerator has a/an __________ cooled condenser.
- The absolute entropy for all crystalline substances at absolute zero temperature is
- Work done in an adiabatic process between two states depends on the
- When pressure is applied on the system, ice ↔ water, then
- y = specific heat ratio of an ideal gas is equal to
- (∂T/∂P)H is the mathematical expression for
- Number of degrees of freedom for a three phase system in equilibrium comprising of three nonreacting…
- Any substance above its critical temperature exists as
- A reasonably general expression for vapourliquid phase equilibrium at low to moderate pressure is φi…
- For a real gas, the chemical potential is given by
- The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium,…
- One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one
- The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature…
- Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O CO2 + H2, by
- The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by
- At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero.…
- Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the…
- Standard temperature and pressure (S.T.P.) is
- Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as
- High __________ is an undesirable property for a good refrigerant.
- Internal energy is equal to the heat absorbed in case of a/an __________ process.
- The unit of fugacity is the same as that of the
- When liquid and vapour phases of one component system are in equilibrium (at a given temperature and…
- Which of the following is not an equation of state?
- Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree…
- In case of an __________ process, the temperature of the system increases.
- Extensive properties of a thermodynamic system depend upon the __________ of the system.
- A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the…
- An isentropic process is carried out at constant