Enthalpy of a gas depends upon its___________________?
Enthalpy of a gas depends upon its___________________?
A. Temperature
B. Mass
C. Volume
D. Pressure
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At the critical point of a substance____________?
At the critical point of a substance____________?A. The surface tension vanishes
B. Liquid and vapour have the same density
C. There is no distinction between liquid and vapour phases
D. All A, B. and CJoule-Thomson co-efficient is defined as__________________?
Joule-Thomson co-efficient is defined as__________________?A. μ = (∂P/∂T)H
B. μ = (∂T/∂P)H
C. μ = (∂E/∂T)H
D. μ = (∂E/∂P)HDomestic refrigerator usually works on the _____________ refrigeration cycle?
Domestic refrigerator usually works on the _____________ refrigeration cycle?A. Carnot
B. Air
C. Absorption
D. vapour-ejectionThe internal energy of an ideal gas is a function of its _____________ only?
The internal energy of an ideal gas is a function of its _____________ only?A. Molecular size
B. Volume
C. Pressure
D. TemperatureAt a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?
At a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?A. Increases
B. Decreases
C. Remains unchanged
D. May increase or decrease; depends on the gasFor an isothermal process, the internal energy of a gas____________________?
For an isothermal process, the internal energy of a gas____________________?A. Increases
B. Decreases
C. Remains unchanged
D. Data insufficient, can’t be predicted