The heat capacities for the ideal gas state depend upon the

Question

The heat capacities for the ideal gas state depend upon the

A. Pressure

B. Temperature

C. Both (A) & (B)

D. Neither (A) nor (B)

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Pick out the wrong statement.

A. Enthalpies of all elements in their standard states are assumed to be zero

B. Combustion reactions are never endothermic in nature

C. Heat of reaction at constant volume is equal to the change in internal energy

D. Clausius-Clapeyron equation is not applicable to melting process

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

A. R log_e 4

B. R log₁₀ 4

C. C_v log₁₀ 4

D. C_v log_e 4

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(1/V) (∂V/∂T)_P is the mathematical expression

A. Joule-Thomson co-efficient

B. Specific heat at constant pressure (C_p)

C. co-efficient of thermal expansion

D. Specific heat at constant volume (C_V)

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A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

A. Isolated

B. Closed

C. Open

D. None of these

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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

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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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At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.

A. Eutectic

B. Triple

C. Plait

D. Critical

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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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__________ explains the equilibrium constant for any chemical reaction.

A. Henry's law

B. Law of mass action

C. Hess's law

D. None of these

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Normal temperature and pressure (N.T.P.) corresponds to

A. 0°C and 760 mm Hg

B. 15°C and 760 mm Hg

C. 20°C and 760 mm Hg

D. 0°C and 1 kgf/cm²

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Pick out the extensive property out of the following.

A. Surface tension

B. Free energy

C. Specific heat

D. Refractive index

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Consider the process A & B shown in the figure given below: In this case, it is possible that

A. Both the processes are adiabatic

B. Both the processes are isothermal

C. Process A is isothermal while B is adiabatic

D. Process A is adiabatic while B is isothermal

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Melting of wax is accompanied with __________ in entropy.

A. Increase

B. Decrease

C. No change

D. None of these

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Which of the following is not a unit of the equilibrium constant K_p? (where, Δx = number of moles of products number of moles of reactants)

A. (atm)^Δx, when Δx is negative

B. (atm)^Δx, when Δx is positive

C. Dimensionless, when Δx = 0

D. (atm)^Δx2, when Δx > 0

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C_p 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

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First law of thermodynamics is mathematically stated as

A. dQ = dE + dW

B. dQ = dE - dW

C. dE = dQ + dW

D. dW = dQ + dE

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__________ law of thermodynamics ascertains the direction of a particular spontaneous process.

A. Zeroth

B. First

C. Second

D. Third

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Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

A. Isothermal

B. Adiabatic

C. Isentropic

D. None of these

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Which is an example of closed system?

A. Air compressor

B. Liquid cooling system of an automobile

C. Boiler

D. None of these

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1st law of thermodynamics is nothing but the law of conservation of

A. Momentum

B. Mass

C. Energy

D. None of these

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For a constant volume process __________ by the system is used only to increase the internal energy.

A. Heat absorbed

B. Work done

C. Both (A) & (B)

D. Neither (A) nor (B)

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The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

A. RT ln K

B. -RT ln K

C. -R ln K

D. T ln K

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Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system?

A. Expansion valve

B. Condenser

C. Refrigerator

D. Compressor

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The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

A. Increases

B. Decreases

C. Remains unchanged

D. Decreases linearly

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Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is

A. 0

B. 1

C. ∞

D. None of these

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

A. Solution

B. Formation

C. Dilution

D. Combustion

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Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

A. Equilibrium

B. Adiabatic

C. Steady

D. Unsteady

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The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

A. Temperature

B. Pressure

C. Composition

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

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An irreversible process

A. Is the analog of linear frictionless motion in machines

B. Is an idealised visualisation of behaviour of a system

C. Yields the maximum amount of work

D. Yields an amount of work less than that of a reversible process

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Accepted Answer

B. Temperature

The heat capacities for the ideal gas state depend upon the

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

Pick out the wrong statement.

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

(1/V) (∂V/∂T)_P is the mathematical expression

A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

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

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

At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.

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

__________ explains the equilibrium constant for any chemical reaction.

Normal temperature and pressure (N.T.P.) corresponds to

Pick out the extensive property out of the following.

Consider the process A & B shown in the figure given below: In this case, it is possible that

Melting of wax is accompanied with __________ in entropy.

Which of the following is not a unit of the equilibrium constant K_p? (where, Δx = number of moles of products number of moles of reactants)

C_p of a gas at its critical temperature and pressure

First law of thermodynamics is mathematically stated as

__________ law of thermodynamics ascertains the direction of a particular spontaneous process.

Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

Which is an example of closed system?

1st law of thermodynamics is nothing but the law of conservation of

For a constant volume process __________ by the system is used only to increase the internal energy.

The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system?

The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is

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

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

Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

An irreversible process

Also checkout

The heat capacities for the ideal gas state depend upon the

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

Pick out the wrong statement.

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

(1/V) (∂V/∂T)P is the mathematical expression

A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

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

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

At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.

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

__________ explains the equilibrium constant for any chemical reaction.

Normal temperature and pressure (N.T.P.) corresponds to

Pick out the extensive property out of the following.

Consider the process A & B shown in the figure given below: In this case, it is possible that

Melting of wax is accompanied with __________ in entropy.

Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants)

Cp of a gas at its critical temperature and pressure

First law of thermodynamics is mathematically stated as

__________ law of thermodynamics ascertains the direction of a particular spontaneous process.

Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

Which is an example of closed system?

1st law of thermodynamics is nothing but the law of conservation of

For a constant volume process __________ by the system is used only to increase the internal energy.

The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system?

The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is

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

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

Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

An irreversible process

Also checkout

(1/V) (∂V/∂T)_P is the mathematical expression

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

Which of the following is not a unit of the equilibrium constant K_p? (where, Δx = number of moles of products number of moles of reactants)

C_p of a gas at its critical temperature and pressure