Henry's law is closely obeyed by a gas, when its __________ is extremely high.

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Henry's law is closely obeyed by a gas, when its __________ is extremely high.

A. Pressure

B. Solubility

C. Temperature

D. None of these

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In a working refrigerator, the value of COP is always

A. 0

B. < 0

C. < 1

D. > 1

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When a system is in equilibrium for all possible processes, the differential or finite change of entropy is

A. < 0

B. > 0

C. = 0

D. None of these

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During adiabatic expansion of gas

A. Pressure remains constant

B. Pressure is increased

C. Temperature remains constant

D. None of these

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In the reaction, C + O₂ → CO₂; ΔH = - 94 kcal. What is the heat content (enthalpy) of O₂?

A. -94 kcal

B. > -94 kcal

C. < - 94 kcal

D. Zero

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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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For a constant volume process

A. dE = C_pdT

B. dE = C_vdT

C. dQ = dE + pdV

D. dW = pdV

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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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Work done may be calculated by the expression ∫ p dA for __________ processes.

A. Non-flow reversible

B. Adiabatic

C. Both (A) and (B)

D. Neither (A) nor (B)

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Which of the following is Clausius-Clapeyron Equation for vaporisation of an ideal gas under the condition that the molar volume of liquid is negligible compared to that of the vapor?

A. d ln p/dt = H_vap/RT²

B. d ln p/dt = RT²/H_vap

C. dp/dt = RT²/H_vap

D. dp/dt = H_vap/RT²

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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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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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Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.

A. Below

B. At

C. Above

D. Either 'b' or 'c'

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For a spontaneous process, free energy

A. Is zero

B. Increases

C. Decreases whereas the entropy increases

D. And entropy both decrease

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Pick out the Clausius-Clapeyron equation from the following:

A. dP/dT = ΔH/TΔV

B. ln P = - (ΔH/RT) + constant

C. ΔF = ΔH + T [∂(ΔF)/∂T]_P

D. None of these

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Third law of thermodynamics is helpful in

A. Prediction of the extent of a chemical reaction

B. Calculating absolute entropies of substances at different temperature

C. Evaluating entropy changes of chemical reaction

D. Both (B) and (C)

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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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Equation which relates pressure, volume and temperature of a gas is called the

A. Equation of state

B. Gibbs Duhem equation

C. Ideal gas equation

D. None of these

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Pick out the wrong statement.

A. Surface tension of a substance vanishes at critical point, as there is no distinction between liquid and vapour phases at its critical point

B. Entropy of a system decreases with the evolution of heat

C. Change of internal energy is negative for exothermic reactions

D. The eccentric factor for all materials is always more than one

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Which of the following is not an equation of state?

A. Bertholet equation

B. Clausius-Clapeyron equation

C. Beattie-Bridgeman equation

D. None of these

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Pick out the undesirable property for a good refrigerant.

A. High thermal conductivity

B. Low freezing point

C. Large latent heat of vaporisation

D. High viscosity

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The acentric factor of a materical, 'ω', is defined as ω = -log₁₀(P_r^sat)T_r^-1 = 0.7, where, P_r^sat = reduced vapor pressure, T_r = reduced temperature. The value of acentric factor is always

A. > 2

B. < 1

C. > 1

D. < 3

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The kinetic energy of gas molecule is zero at

A. 0°C

B. 273°C

C. 100°C

D. -273°C

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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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Isobaric process means a constant process.

A. Temperature

B. Pressure

C. Volume

D. Entropy

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Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

A. Zeroth

B. First

C. Second

D. Third

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The unity of Planck's constant 'h' in the equation, E = hv is

A. J/s

B. J.S

C. J/kmol

D. kmol/J

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When pressure is applied on the system, ice ↔ water, then

A. Equilibrium cannot be established

B. More ice will be formed

C. More water will be formed

D. Evaporation of water will take place

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What happens in a reversible adiabatic compression?

A. Heating occurs

B. Cooling occurs

C. Pressure is constant

D. Temperature is constant

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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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Dry ice is

A. Moisture free ice

B. Solid helium

C. Solid carbon dioxide

D. None of these

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Accepted Answer

D. None of these

Henry's law is closely obeyed by a gas, when its __________ is extremely high.

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

In a working refrigerator, the value of COP is always

When a system is in equilibrium for all possible processes, the differential or finite change of entropy is

During adiabatic expansion of gas

In the reaction, C + O₂ → CO₂; ΔH = - 94 kcal. What is the heat content (enthalpy) of O₂?

Pick out the extensive property out of the following.

For a constant volume process

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

Work done may be calculated by the expression ∫ p dA for __________ processes.

Which of the following is Clausius-Clapeyron Equation for vaporisation of an ideal gas under the condition that the molar volume of liquid is negligible compared to that of the vapor?

Domestic refrigerator usually works on the __________ refrigeration cycle.

Which is an example of closed system?

Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.

For a spontaneous process, free energy

Pick out the Clausius-Clapeyron equation from the following:

Third law of thermodynamics is helpful in

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.

Equation which relates pressure, volume and temperature of a gas is called the

Pick out the wrong statement.

Which of the following is not an equation of state?

Pick out the undesirable property for a good refrigerant.

The acentric factor of a materical, 'ω', is defined as ω = -log₁₀(P_r^sat)T_r^-1 = 0.7, where, P_r^sat = reduced vapor pressure, T_r = reduced temperature. The value of acentric factor is always

The kinetic energy of gas molecule is zero at

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

Isobaric process means a constant process.

Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

The unity of Planck's constant 'h' in the equation, E = hv is

When pressure is applied on the system, ice ↔ water, then

What happens in a reversible adiabatic compression?

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

Dry ice is

Also checkout

Henry's law is closely obeyed by a gas, when its __________ is extremely high.

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

In a working refrigerator, the value of COP is always

When a system is in equilibrium for all possible processes, the differential or finite change of entropy is

During adiabatic expansion of gas

In the reaction, C + O2 → CO2; ΔH = - 94 kcal. What is the heat content (enthalpy) of O2?

Pick out the extensive property out of the following.

For a constant volume process

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

Work done may be calculated by the expression ∫ p dA for __________ processes.

Which of the following is Clausius-Clapeyron Equation for vaporisation of an ideal gas under the condition that the molar volume of liquid is negligible compared to that of the vapor?

Domestic refrigerator usually works on the __________ refrigeration cycle.

Which is an example of closed system?

Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.

For a spontaneous process, free energy

Pick out the Clausius-Clapeyron equation from the following:

Third law of thermodynamics is helpful in

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.

Equation which relates pressure, volume and temperature of a gas is called the

Pick out the wrong statement.

Which of the following is not an equation of state?

Pick out the undesirable property for a good refrigerant.

The acentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr-1 = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of acentric factor is always

The kinetic energy of gas molecule is zero at

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

Isobaric process means a constant process.

Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

The unity of Planck's constant 'h' in the equation, E = hv is

When pressure is applied on the system, ice ↔ water, then

What happens in a reversible adiabatic compression?

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

Dry ice is

Also checkout

In the reaction, C + O₂ → CO₂; ΔH = - 94 kcal. What is the heat content (enthalpy) of O₂?

The acentric factor of a materical, 'ω', is defined as ω = -log₁₀(P_r^sat)T_r^-1 = 0.7, where, P_r^sat = reduced vapor pressure, T_r = reduced temperature. The value of acentric factor is always