The necessary and sufficient condition for equilibrium between two phases is
The concentration of each component should be same in the two phases
The temperature of each phase should be same
The pressure should be same in the two phases
The chemical potential of each component should be same in the two phases
- At the critical point of a substance
- Ideal gas law is applicable at
- The four properties of a system viz. P, V, T, S are related by __________ equation.
- Melting of ice is an example of an __________ process.
- Cp - Cv = R is valid for __________ gases.
- When a gas is expanded from high pressure region to low pressure region; temperature change occurs.…
- Pick out the correct equation relating 'F' and 'A'.
- If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH…
- The effect of changing the evaporator temperature on COP as compared to that of changing the condenser…
- Rotary lime kiln is an example of a/an __________ system.
- Which of the following units is not present in both the vapor compression refrigeration system and absorption…
- Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…
- A refrigerator may be termed as a
- The kinetic energy of gas molecule is zero at
- Maximum work that could be secured by expanding the gas over a given pressure range is the __________…
- Critical compressibility factor for all substances
- When pressure is applied on the system, ice ↔ water, then
- Pick out the wrong statement
- Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.
- The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called…
- __________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very…
- The internal energy of an ideal gas does not change in a reversible __________ process.
- What is the ratio of adiabatic compressibility to isothermal compressibility?
- If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________…
- Joule-Thomson effect i.e., a throttling process is a constant __________ process.
- For a given substance at a specified temperature, activity is __________ to fugacity.
- Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates
- When a system is in equilibrium for all possible processes, the differential or finite change of entropy…
- The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________…
- Number of degrees of freedom for a three phase system in equilibrium comprising of three nonreacting…