Heat of formation of an element in its standard state is___________________?
Heat of formation of an element in its standard state is___________________?
A. 0
B. 0
D. A function of pressure
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There is a change in ______________ during the phase transition?
There is a change in ______________ during the phase transition?A. Volume
B. Pressure
C. Temperature
D. All a, b & cDryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?
Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?A. Bomb
B. Separating
C. Bucket
D. ThrottlingCo-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?
Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?A. Work required to refrigeration obtained
B. Refrigeration obtained to the work required
C. Lower to higher temperature
D. Higher to lower temperatureFor multi-component multiple phases to be in equilibrium at the same pressure and temperature, the _______________ of each component must be same in all phases?
For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the _______________ of each component must be same in all phases?A. Chemical potential
B. Fugacity
C. Both A. and B
D. Neither A. nor BAn irreversible process____________________?
An irreversible process____________________?A. Is the analog of linear frictionless motion in machines
B. Is an idealised visualisation of behaviour of a system
C. Yields the maximum amount of work
D. Yields an amount of work less than that of a reversible processIn case of an _______________ process, the temperature of the system increases?
In case of an _______________ process, the temperature of the system increases?A. Isothermal compression
B. Isothermal expansion
C. Adiabatic expansion
D. Adiabatic compression