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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Free energy change at equilibrium is

Zero
Positive
Indeterminate
Negative

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Chemical Engineering Thermodynamics
If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will

Increase
Decrease
Increase or decrease ; depends on the particular reaction
Remain unaltered

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Chemical Engineering Thermodynamics
Degree of freedom of a system consisting of a gaseous mixture of H₂ and NH₃ will be

1
2
0
3

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Chemical Engineering Thermodynamics
The standard state of a gas (at a given temperature) is the state in which fugacity is equal to

Neither A nor B
Both A & B
Activity
Unity

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Chemical Engineering Thermodynamics
In case of the decomposition of hydroiodic acid (2HI ⇋ H₂ + I₂), addition of H₂ (at equilibrium condition) will

Increase the partial pressure of I₂
Decrease the partial pressure of HI
None of these
Diminish the degree of dissociation of HI

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Chemical Engineering Thermodynamics
Efficiency of a Carnot engine working between temperatures T₁ and T₂ (T₁ < T₂) is

(T₂ - T₁)/T₁
(T₂ - T₁)/T₂
(T₁ - T₂)/T₁
(T₁ - T₂)/T₂

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