Cp of a gas at its critical temperature and pressure
Becomes zero
Becomes infinity
Equals 1 kcal/kmol °K
Equals 0.24 kcal/kmol °K
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- The value of gas constant 'R' is
- Entropy of the system decreases, when
- During the phase transition, __________ changes.
- The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the __________ of a substance.
- Sound waves propagation in air exemplifies an __________ process.
- Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.
- Number of degrees of freedom for a three phase system in equilibrium comprising of three nonreacting…
- Which of the following exemplifies an adiabatic process?
- Maximum work that could be secured by expanding the gas over a given pressure range is the __________…
- Which is a state function?
- Throttling process is a/an __________ process.
- Isobaric process means a constant process.
- Pick out the wrong statement.
- Which of the following identities can be most easily used to verify steam table data for superheated…
- The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria…
- At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.
- In the ammonia synthesis reaction, N2 + 3H2 2NH3 + 22.4 kcal, the formation of NH3 will be favoured…
- The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant…
- Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal…
- In an ideal solution, the activity of a component equals its
- The number of degrees of freedom for a mixture of ice and water (liquid) are
- Degrees of freedom at triple point will be
- __________ Equation predicts the activity coefficient from experimental data.
- Which of the following liquid metals has the highest thermal conductivity?
- Pick out the wrong statement
- Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas…
- All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
- With increase in temperature, the atomic heat capacities of all solid elements
- The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction…
- The change in __________ is equal to the reversible work for compression in steady state flow process…