For an ideal liquid solution, which of the following is unity?

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For an ideal liquid solution, which of the following is unity?

A. Activity

B. Fugacity

C. Activity co-efficient

D. Fugacity co-efficient

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For an ideal liquid solution, which of the following is unity?

A. Activity

B. Fugacity

C. Activity co-efficient

D. Fugacity co-efficient

Discuss this answer

In the equation, PVⁿ = constant, if the value of n = 1, then it represents a reversible __________ process.

A. Isothermal

B. Isobaric

C. Polytropic

D. Adiabatic

Discuss this answer

In case of a reversible process (following pvⁿ = constant), work obtained for trebling the volume (v1 = 1 m³ and v₂3 m³) is maximum, when the value of 'n' is

A. 0

B. 1

C. y = 1.44

D. 1.66

Discuss this answer

Throttling process is a/an __________ process.

A. Reversible and isothermal

B. Irreversible and constant enthalpy

C. Reversible and constant entropy

D. Reversible and constant enthalpy

Discuss this answer

The enthalpy change when ammonia gas is dissolved in water is called the heat of

A. Solution

B. Formation

C. Dilution

D. Combustion

Discuss this answer

The Joule-Thomson co-efficient is defined as (∂T/∂P)_H. Its value at the inversion point is

A. ∞

B. 1

C. 0

D. -ve

Discuss this answer

If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) C₃H₈(g) will be __________ Kcal.

A. -19.4

B. -30.2

C. 55.2

D. -55.2

Discuss this answer

During Joule-Thomson expansion of gases

A. Enthalpy remains constant

B. Entropy remains constant

C. Temperature remains constant

D. None of these

Discuss this answer

If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.

A. 100

B. 50

C. 205

D. 200

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(∂H/∂T)_P is the mathematical expression for

A. C_V

B. Entropy change

C. Gibbs free energy

D. None of these

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C_p - C_v = R is valid for __________ gases.

A. Ideal

B. Very high pressure

C. Very low temperature

D. All of the above

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Domestic refrigerator usually works on the __________ refrigeration cycle.

A. Carnot

B. Air

C. Absorption

D. vapour-ejection

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In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respectively, the Carnot COP will be

A. 5.2

B. 6.2

C. 0.168

D. Data insufficient, can't be found out

Discuss this answer

Pick out the wrong statement

A. Phase rule variables are intensive properties

B. Heat and work are both state function

C. The work done by expansion of a gas in vacuum is zero

D. C_P and C_V are state function

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The equation, (d log_e PA/d log_e xA) = (d log_e PA/d log_e xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the __________ equation.

A. Van Laar

B. Margules

C. Gibbs-Duhem

D. Gibbs-Duhem-Margules

Discuss this answer

The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of

A. T

B. T and P

C. T, P and Z

D. T and Z

Discuss this answer

In a turbine, the fluid expands almost

A. Isothermally

B. Isobarically

C. Adiabatically

D. None of these

Discuss this answer

With increase in compression ratio, the efficiency of the otto engine

A. Increases

B. Decreases

C. Remain constant

D. Increases linearly

Discuss this answer

Which of the following is true for Virial equation of state?

A. Virial co-efficients are universal constants

B. Virial co-efficients 'B' represents three body interactions

C. Virial co-efficients are function of temperature only

D. For some gases, Virial equations and ideal gas equations are the same

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With increase in pressure (above atmospheric pressure), the C_p of a gas

A. Increases

B. Decreases

C. Remains unchanged

D. First decreases and then increases

Discuss this answer

When a gas is subjected to adiabatic expansion, it gets cooled due to

A. Decrease in velocity

B. Decrease in temperature

C. Decrease in kinetic energy

D. Energy spent in doing work

Discuss this answer

The temperature at which both liquid and gas phases are identical, is called the __________ point.

A. Critical

B. Triple

C. Freezing

D. Boiling

Discuss this answer

The standard Gibbs free energy change of a reaction depends on the equilibrium

A. Pressure

B. Temperature

C. Composition

D. All (A), (B) and (C)

Discuss this answer

Melting of ice is an example of an __________ process.

A. Adiabatic

B. Isothermal

C. Isometric

D. None of these

Discuss this answer

Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.

A. Ideal

B. Real

C. Isotonic

D. None of these

Discuss this answer

For a single component two phase mixture, the number of independent variable properties are

A. Two

B. One

C. Zero

D. Three

Discuss this answer

The standard state of a gas (at a given temperature) is the state in which fugacity is equal to

A. Unity

B. Activity

C. Both (A) & (B)

D. Neither (A) nor (B)

Discuss this answer

Which of the following is a thermodynamic property of a system?

A. Concentration

B. Mass

C. Temperature

D. Entropy

Discuss this answer

Claude's liquefaction process employs the cooling of gases by

A. Expansion in an engine

B. Following a constant pressure cycle

C. Throttling

D. None of these

Discuss this answer

The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

A. Kelvin's

B. Antoines

C. Kirchoffs

D. None of these

Discuss this answer

Accepted Answer

C. Activity co-efficient

For an ideal liquid solution, which of the following is unity?

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

For an ideal liquid solution, which of the following is unity?

In the equation, PVⁿ = constant, if the value of n = 1, then it represents a reversible __________ process.

In case of a reversible process (following pvⁿ = constant), work obtained for trebling the volume (v1 = 1 m³ and v₂3 m³) is maximum, when the value of 'n' is

Throttling process is a/an __________ process.

The enthalpy change when ammonia gas is dissolved in water is called the heat of

The Joule-Thomson co-efficient is defined as (∂T/∂P)_H. Its value at the inversion point is

If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) C₃H₈(g) will be __________ Kcal.

During Joule-Thomson expansion of gases

If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.

(∂H/∂T)_P is the mathematical expression for

C_p - C_v = R is valid for __________ gases.

Domestic refrigerator usually works on the __________ refrigeration cycle.

In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respectively, the Carnot COP will be

Pick out the wrong statement

The equation, (d log_e PA/d log_e xA) = (d log_e PA/d log_e xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the __________ equation.

The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of

In a turbine, the fluid expands almost

With increase in compression ratio, the efficiency of the otto engine

Which of the following is true for Virial equation of state?

With increase in pressure (above atmospheric pressure), the C_p of a gas

When a gas is subjected to adiabatic expansion, it gets cooled due to

The temperature at which both liquid and gas phases are identical, is called the __________ point.

The standard Gibbs free energy change of a reaction depends on the equilibrium

Melting of ice is an example of an __________ process.

Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.

For a single component two phase mixture, the number of independent variable properties are

The standard state of a gas (at a given temperature) is the state in which fugacity is equal to

Which of the following is a thermodynamic property of a system?

Claude's liquefaction process employs the cooling of gases by

The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

Also checkout

For an ideal liquid solution, which of the following is unity?

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

For an ideal liquid solution, which of the following is unity?

In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process.

In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of 'n' is

Throttling process is a/an __________ process.

The enthalpy change when ammonia gas is dissolved in water is called the heat of

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is

If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH4(g) + C2H4(g) C3H8(g) will be __________ Kcal.

During Joule-Thomson expansion of gases

If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.

(∂H/∂T)P is the mathematical expression for

Cp - Cv = R is valid for __________ gases.

Domestic refrigerator usually works on the __________ refrigeration cycle.

In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respectively, the Carnot COP will be

Pick out the wrong statement

The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the __________ equation.

The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of

In a turbine, the fluid expands almost

With increase in compression ratio, the efficiency of the otto engine

Which of the following is true for Virial equation of state?

With increase in pressure (above atmospheric pressure), the Cp of a gas

When a gas is subjected to adiabatic expansion, it gets cooled due to

The temperature at which both liquid and gas phases are identical, is called the __________ point.

The standard Gibbs free energy change of a reaction depends on the equilibrium

Melting of ice is an example of an __________ process.

Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.

For a single component two phase mixture, the number of independent variable properties are

The standard state of a gas (at a given temperature) is the state in which fugacity is equal to

Which of the following is a thermodynamic property of a system?

Claude's liquefaction process employs the cooling of gases by

The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

Also checkout

In the equation, PVⁿ = constant, if the value of n = 1, then it represents a reversible __________ process.

In case of a reversible process (following pvⁿ = constant), work obtained for trebling the volume (v1 = 1 m³ and v₂3 m³) is maximum, when the value of 'n' is

The Joule-Thomson co-efficient is defined as (∂T/∂P)_H. Its value at the inversion point is

If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) C₃H₈(g) will be __________ Kcal.

(∂H/∂T)_P is the mathematical expression for

C_p - C_v = R is valid for __________ gases.

The equation, (d log_e PA/d log_e xA) = (d log_e PA/d log_e xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the __________ equation.

With increase in pressure (above atmospheric pressure), the C_p of a gas