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Thermodynamics for Chemical

Critical compressibility factor for all substances___________________?

August 29, 2021March 11, 2019 by admin
Critical compressibility factor for all substances___________________?

A. Are more or less constant (vary from 0.2 to 0.3)
B. Vary as square of the absolute temperature
C. Vary as square of the absolute pressure
D. None of these

Categories Thermodynamics for Chemical

Entropy of an ideal gas depends upon its__________________?

August 29, 2021March 11, 2019 by admin
Entropy of an ideal gas depends upon its__________________?

A. Pressure
B. Temperature
C. Both A. & B
D. Neither A. nor B

Categories Thermodynamics for Chemical

Internal energy change of a system over one complete cycle in a cyclic process is__________________?

August 29, 2021March 11, 2019 by admin
Internal energy change of a system over one complete cycle in a cyclic process is__________________?

A. Zero
B. +ve
C. -ve
D. Dependent on the path

Categories Thermodynamics for Chemical

In case of the decomposition of hydroiodic acid (2HI ⇌ H2 + I2), addition of H2 (at equilibrium condition) will__________________?

August 29, 2021March 11, 2019 by admin
In case of the decomposition of hydroiodic acid (2HI ⇌ H2 + I2), addition of H2 (at equilibrium condition) will__________________?

A. Increase the partial pressure of I2
B. Decrease the partial pressure of HI
C. Diminish the degree of dissociation of HI
D. None of these

Categories Thermodynamics for Chemical

Second law of thermodynamics is concerned with the_________________?

August 29, 2021March 11, 2019 by admin
Second law of thermodynamics is concerned with the_________________?

A. Amount of energy transferred
B. Direction of energy transfer
C. Irreversible processes only
D. Non-cyclic processes only

Categories Thermodynamics for Chemical

Which law of the thermodynamics provides basis for measuring the thermodynamic property ?

August 29, 2021March 11, 2019 by admin
Which law of the thermodynamics provides basis for measuring the thermodynamic property ?

A. First law
B. Zeroth law
C. Third law
D. Second law

Categories Thermodynamics for Chemical

Cp of a gas at its critical temperature and pressure_______________?

August 29, 2021March 11, 2019 by admin
Cp of a gas at its critical temperature and pressure_______________?

A. Becomes zero
B. Becomes infinity
C. Equals 1 kcal/kmol °K
D. Equals 0.24 kcal/kmol °K

Categories Thermodynamics for Chemical

An ideal liquid refrigerant should______________________?

August 29, 2021March 11, 2019 by admin
An ideal liquid refrigerant should______________________?

A. Not have a sub-atmospheric vapour pressure at the temperature in the refrigerator coils
B. Not have unduly high vapour pressure at the condenser temperature
C. Both A. and B
D. Have low specific heat

Categories Thermodynamics for Chemical

Pick out the Clausius-Clapeyron equation from the following?

August 29, 2021March 11, 2019 by admin
Pick out the Clausius-Clapeyron equation from the following?

A. dP/dT = ΔH/TΔV
B. ln P = – (ΔH/RT) + constant
C. ΔF = ΔH + T [∂(ΔF)/∂T]P
D. None of these

Categories Thermodynamics for Chemical

The variation of heat of reaction with temperature at constant pressure is given by the ____________ law?

August 29, 2021March 11, 2019 by admin
The variation of heat of reaction with temperature at constant pressure is given by the ____________ law?

A. Kelvin’s
B. Antoine’s
C. Kirchoff’s
D. None of these

Categories Thermodynamics for Chemical
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