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Thermodynamics for Chemical

Van Laar equation deals with the activity co-efficients in___________________?

August 29, 2021March 12, 2019 by admin
Van Laar equation deals with the activity co-efficients in___________________?

A. Binary solutions
B. Ternary solutions
C. Azeotropic mixture only
D. None of these

Categories Thermodynamics for Chemical

Which of the following is not an intensive property ?

July 10, 2022March 12, 2019 by admin
Which of the following is not an intensive property ?

A. Molar heat capacity
B. Internal energy
C. Viscosity
D. None of these

Categories Thermodynamics for Chemical

The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?

July 10, 2022March 12, 2019 by admin
The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?

A. An open system of constant composition
B. A closed system of constant composition
C. An open system with changes in composition
D. A closed system with changes in composition

Categories Thermodynamics for Chemical

Heat of reaction at constant volume is identified with _____________ change?

August 29, 2021March 12, 2019 by admin
Heat of reaction at constant volume is identified with _____________ change?

A. Enthalpy
B. Internal energy
C. Either A. or B
D. Neither A. nor B

Categories Thermodynamics for Chemical

The equation, PV = nRT, is best obeyed by gases at____________________?

August 29, 2021March 12, 2019 by admin
The equation, PV = nRT, is best obeyed by gases at____________________?

A. Low pressure & high temperature
B. High pressure & low temperature
C. Low pressure & low temperature
D. None of these

Categories Thermodynamics for Chemical

Gibbs-Helmholtz equation is__________________?

August 29, 2021March 12, 2019 by admin
Gibbs-Helmholtz equation is__________________?

A. ΔF = ΔH + T [∂(ΔF)/∂T]P
B. ΔF = ΔH – TΔT
C. d(E – TS) T, V < 0
D. dP/dT = ΔHvap/T.ΔVvap

Categories Thermodynamics for Chemical

Free energy change of mixing two liquid substances is a function of the__________________?

August 29, 2021March 12, 2019 by admin
Free energy change of mixing two liquid substances is a function of the__________________?

A. Concentration of the constituents only
B. Quantities of the constituents only
C. Temperature only
D. All A, B. and C

Categories Thermodynamics for Chemical

In case of an _______________ process, the temperature of the system increases?

August 29, 2021March 12, 2019 by admin
In case of an _______________ process, the temperature of the system increases?

A. Isothermal compression
B. Isothermal expansion
C. Adiabatic expansion
D. Adiabatic compression

Categories Thermodynamics for Chemical

Adiabatic compression of a saturated water vapour makes it ____________________ ?

August 29, 2021March 12, 2019 by admin
Adiabatic compression of a saturated water vapour makes it ____________________ ?

A. Supersaturated
B. Superheated
C. Both A. and B
D. Neither A. nor B

Categories Thermodynamics for Chemical

A refrigerator may be termed as a____________________?

August 29, 2021March 12, 2019 by admin
A refrigerator may be termed as a____________________?

A. Heat pump
B. Heat engine
C. Carnot engine
D. None of these

Categories Thermodynamics for Chemical
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