Which of the following behaves most closely like an ideal gas?

Question

Which of the following behaves most closely like an ideal gas?

A. He

B. N₂

C. O₂

D. H₂

Correct Answer :

A. He

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

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The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)_T = T(∂P/∂T)_H - P. This equation is called the

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Pick out the wrong statement.

Discuss this answer

As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches

A. Unity

B. Zero

Discuss this answer

Pick out the wrong statement:

Discuss this answer

The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by

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Refrigeration cycle

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Which is not constant for an ideal gas?

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Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.

A. 0

B. 273

C. 25

Discuss this answer

Pick out the wrong statement.

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A system is said to be isopiestic, if there is no __________ change.

C. Volume

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Which of the following is Virial equation of state?

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__________ decreases during adiabatic throttling of a perfect gas.

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The thermodynamic law, PV^y = constant, is not applicable in case of

Discuss this answer

Which of the following is not an equation of state?

Discuss this answer

During the phase transition, __________ changes.

B. Volume

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Internal energy change of a system over one complete cycle in a cyclic process is

A. Zero

B. +ve

C. -ve

Discuss this answer

Water on heating from 1 to 4°C

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

C. Steady

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Work done in case of free expansion is

B. Zero

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The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________ point.

B. Triple

D. Boyle

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Activity co-efficient is a measure of the

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The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

Discuss this answer

Van Laar equation deals with the activity coefficients in

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Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the

Discuss this answer

The equation, PV = nRT, is best obeyed by gases at

Discuss this answer

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

A. Volume

Discuss this answer

Gibbs free energy of mixing at constant pressure and temperature is always

A. 0

B. ∞

C. + ve

D. - ve

Discuss this answer

An isentropic process is carried out at constant

A. Volume

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The second law of thermodynamics states that

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Answer 1

A. Enthalpy

Answer 2

B. Entropy

Answer 3

C. Pressure

Answer 4

D. None of these

Answer 5

A. Maxwell's equation

Answer 6

B. Thermodynamic equation of state

Answer 7

C. Equation of state

Answer 8

D. Redlich-Kwong equation of state

Answer 9

A. At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature

Answer 10

B. Normally, the gases which are easily liquefied are more soluble in common solvents

Answer 11

C. The gases which are capable of forming ions in aqueous solution are much more soluble in water than in other solvents

Answer 12

D. At constant pressure, solubility of a gas in a liquid increases with rise in temperature

Answer 13

C. That of the heat of reaction

Answer 14

D. Infinity

Answer 15

A. The expansion of a gas in vacuum is an irreversible process

Answer 16

B. An isometric process is a constant pressure process

Answer 17

C. Entropy change for a reversible adiabatic process is zero

Answer 18

D. Free energy change for a spontaneous process is negative

Answer 19

A. (R/ΔH) (1/T₁ - 1/T₂)

Answer 20

B. (ΔH/R) (1/T₁ - 1/T₂)

Answer 21

C. (ΔH/R) (1/T₂ - 1/T₁)

Answer 22

D. (1/R) (1/T₁ - 1/T₂)

Answer 23

A. Violates second law of thermodynamics

Answer 24

B. Involves transfer of heat from low temperature to high temperature

Answer 25

C. Both (A) and (B)

Answer 26

D. Neither (A) nor (B)

Answer 27

A. (∂P/∂V)_T

Answer 28

B. (∂V/∂T)_P

Answer 29

C. (∂P/∂V)_V

Answer 30

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

Answer 31

D. None of these

Answer 32

A. The chemical potential of a pure substance depends upon the temperature and pressure

Answer 33

B. The chemical potential of a component in a system is directly proportional to the escaping tendency of that component

Answer 34

C. The chemical potential of ith species (μ_i) in an ideal gas mixture approaches zero as the pressure or mole fraction (x_i) tends to be zero at constant temperature

Answer 35

D. The chemical potential of species 'i' in the mixture (μ_i) is mathematically represented as,μ_i = ∂(nG)/∂ni]_T,P,nj where, n, n_i and n_j respectively denote the total number of moles, moles of i^th species and all mole numbers except ith species. 'G' is Gibbs molar free energy

Answer 36

A. Temperature

Answer 37

B. Pressure

Answer 38

D. None of these

Answer 39

A. (p + a/V²)(V - b) = nRT

Answer 40

B. PV = nRT

Answer 41

C. PV = A + B/V + C/V² + D/V³ + ...

Answer 42

D. None of these

Answer 43

A. Entropy

Answer 44

B. Temperature

Answer 45

C. Enthalpy

Answer 46

D. Pressure

Answer 47

A. Ideal compression of air

Answer 48

B. Free expansion of an ideal gas

Answer 49

C. Adiabatic expansion of steam in a turbine

Answer 50

D. Adiabatic compression of a perfect gas

Answer 51

A. Bertholet equation

Answer 52

B. Clausius-Clapeyron equation

Answer 53

C. Beattie-Bridgeman equation

Answer 54

D. None of these

Answer 55

A. Pressure

Answer 56

C. Temperature

Answer 57

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

Answer 58

D. Dependent on the path

Answer 59

A. Contracts

Answer 60

B. Expands

Answer 61

C. Has same volume

Answer 62

D. May contract or expand

Answer 63

A. Equilibrium

Answer 64

B. Adiabatic

Answer 65

D. Unsteady

Answer 66

A. Indeterminate

Answer 67

C. Negative

Answer 68

D. None of these

Answer 69

A. Freezing

Answer 70

C. Boiling

Answer 71

A. Departure from ideal solution behaviour

Answer 72

B. Departure of gas phase from ideal gas law

Answer 73

C. Vapour pressure of liquid

Answer 74

D. None of these

Answer 75

A. Kelvin's

Answer 76

B. Antoines

Answer 77

C. Kirchoffs

Answer 78

D. None of these

Answer 79

A. Binary solutions

Answer 80

B. Ternary solutions

Answer 81

C. Azeotropic mixture only

Answer 82

D. None of these

Answer 83

A. Calorific value

Answer 84

B. Heat of reaction

Answer 85

C. Heat of combustion

Answer 86

D. Heat of formation

Answer 87

A. Low pressure & high temperature

Answer 88

B. High pressure & low temperature

Answer 89

C. Low pressure & low temperature

Answer 90

D. None of these

Answer 91

B. Temperature

Answer 92

C. Pressure

Answer 93

D. None of these

Answer 94

B. Pressure

Answer 95

C. Temperature

Answer 96

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

Answer 97

A. The energy change of a system undergoing any reversible process is zero

Answer 98

B. It is not possible to transfer heat from a lower temperature to a higher temperature

Answer 99

C. The total energy of system and surrounding remains the same

Answer 100

D. None of the above

Which of the following behaves most closely like an ideal gas?

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

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

The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)_T = T(∂P/∂T)_H - P. This equation is called the

Pick out the wrong statement.

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Which of the following behaves most closely like an ideal gas?

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

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

The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H - P. This equation is called the

Pick out the wrong statement.

As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches

Pick out the wrong statement:

The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by

Refrigeration cycle

Which is not constant for an ideal gas?

Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.

Pick out the wrong statement.

A system is said to be isopiestic, if there is no __________ change.

Which of the following is Virial equation of state?

__________ decreases during adiabatic throttling of a perfect gas.

The thermodynamic law, PVy = constant, is not applicable in case of

Which of the following is not an equation of state?

During the phase transition, __________ changes.

Internal energy change of a system over one complete cycle in a cyclic process is

Water on heating from 1 to 4°C

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

Work done in case of free expansion is

The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________ point.

Activity co-efficient is a measure of the

The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

Van Laar equation deals with the activity coefficients in

Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the

The equation, PV = nRT, is best obeyed by gases at

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

Gibbs free energy of mixing at constant pressure and temperature is always

An isentropic process is carried out at constant

The second law of thermodynamics states that

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The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)_T = T(∂P/∂T)_H - P. This equation is called the

The thermodynamic law, PV^y = constant, is not applicable in case of