Enthalpy 'H' is defined as
H = E - PV
H = F - TS
H - E = PV
None of these
- If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change…
- If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial…
- Joule-Thomson co-efficient for a perfect gas is
- Pick out the wrong statement.
- Absorption/evolution of heat during conversion of a substance from one allotropic form to another is…
- The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in…
- The internal energy of an ideal gas is a function of its __________ only.
- The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium,…
- Solid and liquid phases of a substance are in equilibrium at the
- Which of the following is an undesirable characteristic of a refrigerant?
- Third law of thermodynamics is helpful in
- With increase in temperature, the internal energy of a substance
- At absolute zero temperature, the __________ of the gas is zero.
- Entropy is a/an
- One ton of refrigeration capacity is equivalent to the heat removal rate of
- The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
- At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.
- The absolute entropy for all crystalline substances at absolute zero temperature is
- __________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very…
- Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance…
- All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
- Pick out the wrong statement.
- Specific heat of a gas for a reversible adiabatic process is
- Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole.…
- If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical,…
- First law of thermodynamics deals with the
- Which one is true for a throttling process?
- Pick out the wrong statement.
- The co-efficient of performance (COP) of a refrigerating system, which is its index of performance,…
- Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.