Work done in case of free expansion is____________________?
Work done in case of free expansion is____________________?
A. Indeterminate
B. Zero
C. Negative
D. None of these
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Which of the following decreases with increase in pressure ?
Which of the following decreases with increase in pressure ?A. Melting point of ice
B. Melting point of wax
C. Boiling point of liquids
D. None of these______________ Equation predicts the activity co-efficient from experimental data ?
______________ Equation predicts the activity co-efficient from experimental data ?A. Lewis-Randall
B. Margules
C. Van Laar
D. Both B. & C.In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?
In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?A. Isobaric
B. Isothermal
C. Isentropic
D. IsometricThe 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. TemperatureThe effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is__________________?
The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is__________________?A. Less pronounced
B. More pronounced
C. Equal
D. Data insufficient, can’t be predictedFor a real gas, the chemical potential is given by_____________________?
For a real gas, the chemical potential is given by_____________________?A. RT d ln P
B. RT d ln f
C. R d ln f
D. None of these