In an isothermal process

In an isothermal process, the internal energy of gas molecules

A

Increases

B

Decreases

C

Remain constant

D

May increase/decrease depending on the properties of gas

For an isothermal process, the internal energy of a gas

A

Increases

B

Decreases

C

Remains unchanged

D

Data insufficient, can't be predicted

A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by

A

Diffusion within the pellet

B

Reaction

C

External mass transfer

D

None of the above

In an isothermal process, the internal energy

A

Increases

B

Decreases

C

Remain constant

D

First increases and then decreases

In an isothermal process,

A

There is no change in temperature

B

There is no change in enthalpy

C

There is no change in internal energy

D

All of these

An isothermal process is governed by

A

Gay-Lussac law

B

Charle's law

C

Boyle's law

D

Avogadro's law

The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition.

A

Internal energy

B

Enthalpy

C

Gibbs free energy

D

Helmholtz free energy

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is

A

R log_e 4

B

R log₁₀ 4

C

C_v log₁₀ 4

D

C_v log_e 4

ধীরে ধীরে সংঘঠিত সমোষ্ণ (isothermal) রুদ্ধতাপীয়(adiabatic) পরিবর্তনে এন্ট্রপির পরিবর্তন (Δs) কত?

A

Δs=0

B

Δs>0

C

Δs<0

D

উপরের সবগুলো

The work done in isothermal compression compared to that in adiabatic compression will be

A

Less

B

More

C

Same

D

More or less depending upon the extent of work done

In an isothermal process

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