The extensive properties are

Question

The extensive properties are

A. Volume, mass and number of moles

B. Free energy, entropy and enthalpy

C. Both (A) and (B)

D. None of these

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If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as

A. Solubility increases as temperature increases

B. Solubility increases as temperature decreases

C. Solubility is independent of temperature

D. Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution

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To obtain integrated form of Clausius-Clapeyron equation, ln (P₂/P₁) = (ΔH_V/R) (1/T₁ - 1/T₂) from the exact Clapeyron equation, it is assumed that the

A. Volume of the liquid phase is negligible compared to that of vapour phase

B. Vapour phase behaves as an ideal gas

C. Heat of vaporisation is independent of temperature

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

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If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the

A. Process must be isobaric

B. Temperature must decrease

C. Process must be adiabatic

D. Both (B) and (C)

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Chemical potential of ith component of a system is given by

A. μ_i = (∂F/∂n_i)_{T, P, ni}

B. μ_i = (∂A/∂n_i)_{T, P, ni}

C. μ_i = (∂F/∂n_i)_{T, P}

D. μ_i = (∂A/∂n_i)_{T, P}

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Pick out the correct statement.

A. Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero

B. Melting of ice involves increase in enthalpy and a decrease in randomness

C. The internal energy of an ideal gas depends only on its pressure

D. Maximum work is done under reversible conditions

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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

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The shape of T-S diagram for Carnot Cycle is a

A. Rectangle

B. Rhombus

C. Trapezoid

D. Circle

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4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is

A. 4 J

B. ∞

C. 0

D. 8 J

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Pick out the wrong statement.

A. Trouton's ratio of non-polar liquids is calculated using Kistyakowsky equation

B. Thermal efficiency of a Carnot engine is always less than 1

C. An equation relating pressure, volume and temperature of a gas is called ideal gas equation

D. None of these

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Which of the following exemplifies an adiabatic process?

A. Melting of ice

B. Condensation of alcohol vapor

C. Sudden bursting of a cycle tube

D. Evaporation of water

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Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

A. Reaction mechanism

B. Calculation of rates

C. Energy transformation from one form to another

D. None of these

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Which of the following has the minimum value of COP for a given refrigeration effect?

A. Reverse Carnot cycle

B. Ordinary vapour-compression cycle

C. Vapour-compression process with a reversible expansion engine

D. Air refrigeration cycle

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Which of the following is not correct for a reversible adiabatic process?

A. TV^γ-1 = constant

B. p^1-γ.T^Y = constant

C. PV^γ = constant

D. None of these

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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)

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Refrigeration capacity of a household refrigerator may be round about __________ tons.

A. 0.15

B. 1.5

C. 4.5

D. 6.5

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The quantitative effect of temperature on chemical equilibrium is given by the

A. Vant-Hoff equation

B. Le-Chatelier's principle

C. Arrhenius equation

D. None of these

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

A. First law

B. Zeroth law

C. Third law

D. Second law

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When a gas is expanded from high pressure region to low pressure region; temperature change occurs. This phenomenon is related to the

A. Gibbs-Duhem equation

B. Gibbs-Helmholtz equation

C. Third law of thermodynamics

D. Joule-Thomson effect

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Which of the following is not an intensive property?

A. Chemical potential

B. Surface tension

C. Heat capacity

D. None of these

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Sublimation temperature of dry ice (solid CO₂) is __________ °C.

A. -273

B. 0

C. -78

D. 5

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The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by

A. (∂E/∂n_i)_{S, v, nj}

B. (∂G/∂n_i)_{T, P, nj} = (∂A/∂ni) _{T, v, nj}

C. (∂H/∂n_i)_{S, P, nj}

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

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Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.

A. Infinity

B. Minus infinity

C. Zero

D. None of these

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Which of the following is not a common refrigerant?

A. Freon-12

B. Ethylene

C. Ammonia

D. Carbon dioxide

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During a reversible isothermal expansion of an ideal gas, the entropy change is

A. +ve

B. 0

C. -ve

D. ∞

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For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ↔ C₂H₅OH(g), the equilibrium conversion does not depend on the

A. Steam to ethylene ratio

B. Temperature

C. Pressure

D. None of these

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In an ideal refrigeration cycle, the change in internal energy of the fluid is

A. +ve

B. -ve

C. 0

D. Either of the above three; depends on the nature of refrigerant

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Throttling (Joule-Thomson effect) process is a constant __________ process.

A. Enthalpy

B. Entropy

C. Pressure

D. None of these

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Joule-Thomson effect i.e., a throttling process is a constant __________ process.

A. Entropy

B. Temperature

C. Internal energy

D. Enthalpy

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__________ does not change during phase transformation processes like sublimation, melting & vaporisation.

A. Entropy

B. Gibbs free energy

C. Internal energy

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

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When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is

A. Same in both the phases

B. Zero in both the phases

C. More in vapour phase

D. More in liquid phase

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Accepted Answer

C. Both (A) and (B)

The extensive properties are

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as

To obtain integrated form of Clausius-Clapeyron equation, ln (P₂/P₁) = (ΔH_V/R) (1/T₁ - 1/T₂) from the exact Clapeyron equation, it is assumed that the

If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the

Chemical potential of ith component of a system is given by

Pick out the correct statement.

Activity co-efficient is a measure of the

The shape of T-S diagram for Carnot Cycle is a

4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is

Pick out the wrong statement.

Which of the following exemplifies an adiabatic process?

Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

Which of the following has the minimum value of COP for a given refrigeration effect?

Which of the following is not correct for a reversible adiabatic process?

Heat of reaction at constant volume is identified with __________ change.

Refrigeration capacity of a household refrigerator may be round about __________ tons.

The quantitative effect of temperature on chemical equilibrium is given by the

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

When a gas is expanded from high pressure region to low pressure region; temperature change occurs. This phenomenon is related to the

Which of the following is not an intensive property?

Sublimation temperature of dry ice (solid CO₂) is __________ °C.

The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by

Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.

Which of the following is not a common refrigerant?

During a reversible isothermal expansion of an ideal gas, the entropy change is

For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ↔ C₂H₅OH(g), the equilibrium conversion does not depend on the

In an ideal refrigeration cycle, the change in internal energy of the fluid is

Throttling (Joule-Thomson effect) process is a constant __________ process.

Joule-Thomson effect i.e., a throttling process is a constant __________ process.

__________ does not change during phase transformation processes like sublimation, melting & vaporisation.

When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is

Also checkout

The extensive properties are

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as

To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 - 1/T2) from the exact Clapeyron equation, it is assumed that the

If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the

Chemical potential of ith component of a system is given by

Pick out the correct statement.

Activity co-efficient is a measure of the

The shape of T-S diagram for Carnot Cycle is a

4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is

Pick out the wrong statement.

Which of the following exemplifies an adiabatic process?

Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

Which of the following has the minimum value of COP for a given refrigeration effect?

Which of the following is not correct for a reversible adiabatic process?

Heat of reaction at constant volume is identified with __________ change.

Refrigeration capacity of a household refrigerator may be round about __________ tons.

The quantitative effect of temperature on chemical equilibrium is given by the

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

When a gas is expanded from high pressure region to low pressure region; temperature change occurs. This phenomenon is related to the

Which of the following is not an intensive property?

Sublimation temperature of dry ice (solid CO2) is __________ °C.

The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by

Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.

Which of the following is not a common refrigerant?

During a reversible isothermal expansion of an ideal gas, the entropy change is

For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the

In an ideal refrigeration cycle, the change in internal energy of the fluid is

Throttling (Joule-Thomson effect) process is a constant __________ process.

Joule-Thomson effect i.e., a throttling process is a constant __________ process.

__________ does not change during phase transformation processes like sublimation, melting & vaporisation.

When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is

Also checkout

To obtain integrated form of Clausius-Clapeyron equation, ln (P₂/P₁) = (ΔH_V/R) (1/T₁ - 1/T₂) from the exact Clapeyron equation, it is assumed that the

Sublimation temperature of dry ice (solid CO₂) is __________ °C.

For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ↔ C₂H₅OH(g), the equilibrium conversion does not depend on the