Charles' law for gases states that

Question

Charles' law for gases states that

A. V/T = Constant

B. V ∝ 1/T

C. V ∝ 1/P

D. PV/T = Constant

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Boiling of liquid is accompanied with increase in the

A. Vapor pressure

B. Specific Gibbs free energy

C. Specific entropy

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

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On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will

A. Increase

B. Decrease

C. Remain same

D. Increase in summer and will decrease in winter

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Which of the following is an extensive property of a system?

A. Heat capacity

B. Molal heat capacity

C. Pressure

D. Concentration

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Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.

A. The same

B. Less than

C. Greater than

D. Different than

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For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

A. C_v.dT

B. C_p.dT

C. ∫ C_p.dT

D. ∫ C_v.dT

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In an ideal solution, the activity of a component equals its

A. Mole fraction

B. Fugacity at the same temperature and pressure

C. Partial pressure

D. None of these

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The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation.

A. Gibbs-Duhem

B. Van Laar

C. Gibbs-Helmholtz

D. Margules

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The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for

A. Expansion of a real gas

B. Reversible isothermal volume change

C. Heating of an ideal gas

D. Cooling of a real gas

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No work is done by the system, when a reaction occurs at constant

A. Volume

B. Temperature

C. Pressure

D. None of these

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The internal energy of an incompressible fluid depends upon its

A. Pressure

B. Temperature

C. Both (A) & (B)

D. Neither (A) nor (B)

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A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature.

A. Less than

B. More than

C. Equal to or higher than

D. Less than or equal to

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Heat is added at constant temperature in an ideal __________ cycle.

A. Stirling

B. Brayton

C. Rankine

D. None of these

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In the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

A. Increase

B. Decrease

C. Not alter

D. None of these

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A Carnot cycle consists of the following steps:

A. Two isothermal and two isentropic

B. Two isobaric and two isothermal

C. Two isochoric and two isobaric

D. Two isothermals and two isochoric

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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

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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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Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of

A. Sublimation

B. Fusion

C. Transition

D. Vaporisation

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The most important application of distribution law is in

A. Evaporation

B. Liquid extraction

C. Drying

D. Distillation

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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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When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is

A. More in vapour phase

B. More in liquid phase

C. Same in both the phases

D. Replaced by chemical potential which is more in vapour phase

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Specific heat of a gas for a reversible adiabatic process is

A. Negative

B. Zero

C. Infinity

D. None of these

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Specific/molar Gibbs free energy for a pure substance does not change during

A. Sublimation

B. Vaporisation

C. Melting

D. Either (A), (B) or (C)

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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)

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Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature __________ as its mole fraction increases.

A. Decreases

B. Decreases exponentially

C. Increases

D. Remain constant

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Pick out the correct statement.

A. A real gas on expansion in vacuum gets heated up

B. An ideal gas on expansion in vacuum gets cooled

C. An ideal gas on expansion in vacuum gets heated up

D. A real gas on expansion in vacuum cools down whereas ideal gas remains unaffected

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Which of the following is an undesirable characteristic of a refrigerant?

A. It should be non-explosive

B. It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

C. Its vapor pressure at the condenser temperature should be very high

D. None of these

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One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is

A. 30554

B. 10373

C. 4988.4

D. 4364.9

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The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium, is

A. 3

B. 1

C. 2

D. 0

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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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For a real gas, the chemical potential is given by

A. RT d ln P

B. RT d ln f

C. R d ln f

D. None of these

Discuss this answer

Accepted Answer

A. V/T = Constant

Charles' law for gases states that

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

Boiling of liquid is accompanied with increase in the

On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will

Which of the following is an extensive property of a system?

Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.

For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

In an ideal solution, the activity of a component equals its

The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation.

The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for

No work is done by the system, when a reaction occurs at constant

The internal energy of an incompressible fluid depends upon its

A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature.

Heat is added at constant temperature in an ideal __________ cycle.

In the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

A Carnot cycle consists of the following steps:

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.

Pick out the wrong statement

Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of

The most important application of distribution law is in

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

When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is

Specific heat of a gas for a reversible adiabatic process is

Specific/molar Gibbs free energy for a pure substance does not change during

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

Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature __________ as its mole fraction increases.

Pick out the correct statement.

Which of the following is an undesirable characteristic of a refrigerant?

One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is

The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium, is

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

For a real gas, the chemical potential is given by

Also checkout

Charles' law for gases states that

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

Boiling of liquid is accompanied with increase in the

On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will

Which of the following is an extensive property of a system?

Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.

For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

In an ideal solution, the activity of a component equals its

The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation.

The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for

No work is done by the system, when a reaction occurs at constant

The internal energy of an incompressible fluid depends upon its

A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature.

Heat is added at constant temperature in an ideal __________ cycle.

In the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

A Carnot cycle consists of the following steps:

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.

Pick out the wrong statement

Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of

The most important application of distribution law is in

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

When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is

Specific heat of a gas for a reversible adiabatic process is

Specific/molar Gibbs free energy for a pure substance does not change during

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

Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature __________ as its mole fraction increases.

Pick out the correct statement.

Which of the following is an undesirable characteristic of a refrigerant?

One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is

The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium, is

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

For a real gas, the chemical potential is given by

Also checkout

The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for

In the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

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.

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