Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of
Fusion
Vaporisation
Transition
None of these
Also checkout these categories
Phylum - Mollusca MCQ Civil Engineering MCQ Rearrangement Set 10 MCQ Simple Interest MCQ Relativity MCQ Angiosperms (Taxonomy and Classification) MCQ Gravitation MCQ Theory of Machines MCQ Planet Kingdom MCQ PhotoShop MCQ Data Structure MCQ Chemical Engineering Basics MCQ
- The extensive properties are
- Fugacity is most helpful in
- Which of the following will increase the volume of a real gas by four times?
- For a given substance at a specified temperature, activity is __________ to fugacity.
- Pick out the undesirable property for a good refrigerant.
- Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal…
- Mollier diagram is a plot of
- Pick out the wrong statement
- Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg…
- High __________ is an undesirable property for a good refrigerant.
- The thermodynamic law, PVy = constant, is not applicable in case of
- Degree of freedom of the system ice-watervapour will be
- Cv for an ideal gas
- Which of the following is Clausius-Clapeyron Equation for vaporisation of an ideal gas under the condition…
- Heat requirement for decomposition of a compound into its elements is __________ that is evolved during…
- The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing…
- The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.
- The quantitative effect of temperature on chemical equilibrium is given by the
- The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is
- A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it…
- In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than…
- At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy…
- In an irreversible process
- As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine…
- When a system is in equilibrium for all possible processes, the differential or finite change of entropy…
- The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.
- Which of the following is not an equation of state?
- As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then…
- There is a change in __________ during the phase transition.
- Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies…