Activity co-efficient is a measure of the____________________?

Byadmin March 11, 2019August 29, 2021

Activity co-efficient is a measure of the____________________?

A. Departure from ideal solution behaviour
B. Departure of gas phase from ideal gas law
C. Vapour pressure of liquid
D. None of these

Thermodynamics for Chemical

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?

A. R loge 4
B. R log10 4
C. Cv log10 4
D. Cv loge 4

Read More The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?
Thermodynamics for Chemical

The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?

The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?

A. 0
B. +ve
C. -ve
D. ∞

Read More The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?
Thermodynamics for Chemical

Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor) ?

Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor) ?

A. Freon
B. Liquid sulphur dioxide
C. Methyl chloride
D. Ammonia

Read More Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor) ?
Thermodynamics for Chemical

A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?

A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?

A. 3
B. 4
C. 5
D. 6

Read More A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?
Thermodynamics for Chemical

Enthalpy of a gas depends upon its___________________?

Enthalpy of a gas depends upon its___________________?

A. Temperature
B. Mass
C. Volume
D. Pressure

Read More Enthalpy of a gas depends upon its___________________?
Thermodynamics for Chemical

For organic compounds, group contribution method can be used for the estimation of _____________________?

For organic compounds, group contribution method can be used for the estimation of _____________________?

A. Critical properties
B. Specific gravity
C. Specific volume
D. Thermal conductivity

Read More For organic compounds, group contribution method can be used for the estimation of _____________________?

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