Chemical Engineering Thermodynamics

Question: Equilibrium constant of a reaction varies with the
[A].

initial concentration of the reactant.

[B].

pressure.

[C].

temperature.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.
[A].

isothermal

[B].

adiabatic

[C].

isentropic

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Fugacity and pressure are numerically equal, when the gas is
[A].

in standard state

[B].

at high pressure

[C].

at low temperature

[D].

in ideal state

Answer: Option D

Explanation:

No answer description available for this question.

Question: Partial molal quantities are important in the study of
[A].

ideal gases

[B].

ideal solutions

[C].

non-ideal mixtures

[D].

a pure component

Answer: Option C

Explanation:

No answer description available for this question.

Question: Chemical potential of ith component of a system is given by
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

Question: Chemical potential is a/an
[A].

extensive property.

[B].

intensive property.

[C].

force which drives the chemical system to equilibrium.

[D].

both (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Question: Free energy changes for two reaction mechanism ‘X’ and ‘Y are respectively – 15 and – 5 units. It implies that X is
[A].

slower than Y

[B].

faster than Y

[C].

three times slower than Y

[D].

three times faster than Y

Answer: Option B

Explanation:

No answer description available for this question.

Question: In any spontaneous process,
[A].

only F decreases

[B].

only A decreases

[C].

both F and A decreases

[D].

both F and A increase

Answer: Option C

Explanation:

No answer description available for this question.

Question: Clayperon equation deals with the
[A].

rate of change of vapour pressure with temperature.

[B].

effect of an inert gas on vapour pressure.

[C].

calculation of ΔF for spontaneous phase change.

[D].

temperature dependence of heat of phase transition.

Answer: Option A

Explanation:

No answer description available for this question.

Question: A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is
[A].

zero

[B].

positive

[C].

negative

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.