Chemical Engineering · all questions

Chemical Engineering Thermodynamics
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Q161

P V^{γ}

= Constant (where,

γ = \frac{C _{p}}{C _{v}}

) is valid for a/an __________ process.

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Q162

In the reaction, represented by, 2SO₂ + O₂ ⇋ 2SO₃; ΔH = -42 kcal; the forward reaction will be favoured by

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Q163

Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.

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Q164

The heat capacities for the ideal gas state depend upon the

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Q165

An ideal liquid refrigerant should

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Q166

One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is

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Q167

Dry ice is

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Q168

Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates

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Q169

Entropy of a substance remains constant during a/an __________ change.

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Q170

Which of the following is a thermodynamic property of a system?

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Q171

Third law of thermodynamics is concerned with the

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Q172

Second law of thermodynamics is concerned with the

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Q173

Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.

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Q174

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

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Q175

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be

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Q176

Work done in case of free expansion is

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Q177

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

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Q178

In which of the following reaction equilibria, the value of equilibrium constant K_p will be more than is K_c?

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Q179

As the temperature is lowered towards the absolute zero, the value of

(\frac{\partial Δ F}{\partial T}),

then approaches

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Q180

Reduced pressure of a gas is the ratio of its

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