Chemical Engineering - Chemical Engineering Thermodynamics

11.
Equilibrium constant of a reaction varies with the
initial concentration of the reactant.
pressure.
temperature.
none of these.
Answer: Option
Explanation:
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12.
Third law of thermodynamics is concerned with the
value of absolute entropy.
energy transfer.
direction of energy transfer.
none of these.
Answer: Option
Explanation:
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13.
Claude's liquefaction process employs the cooling of gases by
expansion in an engine
following a constant pressure cycle
throttling
none of these
Answer: Option
Explanation:
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14.
Gibbs free energy (F) is defined as
F = E - TS
F = H - TS
F = H + TS
F = E + TS
Answer: Option
Explanation:
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15.
The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for
reversible isothermal volume change.
heating of a substance.
cooling of a substance.
simultaneous heating and expansion of an ideal gas.
Answer: Option
Explanation:
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