Absolute zero temperature signifies the

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Absolute zero temperature signifies the

A. Minimum temperature attainable

B. Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in

C. Temperature of the heat reservoir to which a Carnot engine rejects no heat

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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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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Critical temperature is defined as the temperature above which a gas will

A. Not liquify (barring exceptions)

B. Immediately liquify

C. Never liquify however high the pressure may be

D. None of these

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In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when

A. C_p < C_v

B. C_p = C_v

C. C_p > C_v

D. C ≥ C_v

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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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Boyle's law for gases states that

A. P ∝ 1/V, when temperature is constant

B. P ∝ 1/V, when temperature & mass of the gas remain constant

C. P ∝ V, at constant temperature & mass of the gas

D. P/V = constant, for any gas

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Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which

A. A homogeneous solution (say of phenol water) is formed

B. Mutual solubility of the two liquids shows a decreasing trend

C. Two liquids are completely separated into two layers

D. None of these

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The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in

A. An open system of constant composition

B. A closed system of constant composition

C. An open system with changes in composition

D. A closed system with changes in composition

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

A. Specific heat at constant pressure (C_p)

B. Specific heat at constant volume (C_v)

C. Joule-Thompson co-efficient

D. None of these

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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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The expression, nC_v(T₂ - T₁), is for the __________ of an ideal gas.

A. Work done under adiabatic condition

B. Co-efficient of thermal expansion

C. Compressibility

D. None of these

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For an isothermal reversible compression of an ideal gas

A. Only ΔE = 0

B. Only ΔH =0

C. ΔE = ΔH = 0

D. dQ = dE

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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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Enthalpy of a gas depends upon its

A. Temperature

B. Mass

C. Volume

D. Pressure

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The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.

A. Temperature

B. Specific heat

C. Volume

D. Pressure

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

A. -273

B. 0

C. -78

D. 5

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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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Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be

A. 580

B. 640

C. 1160

D. Data insufficient; can't be computed

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Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

A. Less than

B. Same as

C. More than

D. Half

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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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A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is

A. 3

B. 4

C. 5

D. 6

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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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Degree of freedom of the system ice-watervapour will be

A. 0

B. 1

C. 2

D. 3

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y = specific heat ratio of an ideal gas is equal to

A. C_p/C_v

B. C_p/(C_P-R)

C. 1 + (R/C_V)

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

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Claude gas liquefaction process employs cooling

A. At constant pressure

B. By throttling

C. By expansion in an engine

D. None of these

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Partial molar free energy of an element A in solution is same as its

A. Chemical potential

B. Activity

C. Fugacity

D. Activity co-efficient

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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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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

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Water on heating from 1 to 4°C

A. Contracts

B. Expands

C. Has same volume

D. May contract or expand

Discuss this answer

Accepted Answer

C. Temperature of the heat reservoir to which a Carnot engine rejects no heat

Absolute zero temperature signifies the

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

Which of the following exemplifies an adiabatic process?

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

Critical temperature is defined as the temperature above which a gas will

In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when

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.

Boyle's law for gases states that

Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which

The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in

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

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

The expression, nC_v(T₂ - T₁), is for the __________ of an ideal gas.

For an isothermal reversible compression of an ideal gas

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

Enthalpy of a gas depends upon its

The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.

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

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

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?

Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be

Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

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

A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is

Which of the following is not an intensive property?

Degree of freedom of the system ice-watervapour will be

y = specific heat ratio of an ideal gas is equal to

Claude gas liquefaction process employs cooling

Partial molar free energy of an element A in solution is same as its

Pick out the correct statement.

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.

Water on heating from 1 to 4°C

Also checkout

Absolute zero temperature signifies the

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

Which of the following exemplifies an adiabatic process?

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

Critical temperature is defined as the temperature above which a gas will

In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when

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.

Boyle's law for gases states that

Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which

The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in

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

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

The expression, nCv(T2 - T1), is for the __________ of an ideal gas.

For an isothermal reversible compression of an ideal gas

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

Enthalpy of a gas depends upon its

The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.

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

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

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?

Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be

Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

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

A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is

Which of the following is not an intensive property?

Degree of freedom of the system ice-watervapour will be

y = specific heat ratio of an ideal gas is equal to

Claude gas liquefaction process employs cooling

Partial molar free energy of an element A in solution is same as its

Pick out the correct statement.

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.

Water on heating from 1 to 4°C

Also checkout

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

The expression, nC_v(T₂ - T₁), is for the __________ of an ideal gas.

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

Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be

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.