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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The number of degrees of freedom for a mixture of ice and water (liquid) are

1
3
0
2

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Chemical Engineering Thermodynamics
Equilibrium constant decreases as the temperature

Decreases, for an exothermic reaction
Increases, for an exothermic reaction
Increases, for an endothermic reaction
None of these

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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

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

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Chemical Engineering Thermodynamics
__________ increases with increase in pressure.

The boiling point of a liquid
The melting point of wax
Both A and B
Neither A nor B

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Chemical Engineering Thermodynamics
The kinetic energy of gas molecule is zero at

-273°C
273°C
0°C
100°C

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Chemical Engineering Thermodynamics
At the critical point of a substance

There is no distinction between liquid and vapour phases
The surface tension vanishes
All of these
Liquid and vapour have the same density

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