Question

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S₁ and Δ Sʀ are the entropy changes of the system for the irreversible and reversible processes respectively)

a.

Δ S₁ is always < Δ Sʀ

b.

Δ S₁ is sometimes > Δ Sʀ

c.

Δ S₁ is always > Δ Sʀ

d.

Δ S₁ is always = Δ Sʀ

Answer: (c).Δ S₁ is always > Δ Sʀ

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S₁ and Δ Sʀ are the...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. What is the value of Joule-Thomson co-efficient for an ideal gas ?

Q. A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively)

Q. y = specific heat ratio of an ideal gas is equal to

Q. The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are

Q. Cᵨ - Cᵥ = R is valid for __________ gases.

Q. At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

Q. Which is an example of closed system ?

Q. "Dry ice" is

Q. Which of the following non-flow reversible compression processes require maximum work ?

Q. Pick out the correct statement.

Q. "When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change." This is called the

Q. Third law of thermodynamics is helpful in

Q. Fugacity and pressure are numerically equal, when the gas is

Q. Refrigerants commonly used for domestic refrigerators are

Q. Solid and liquid phases of a substance are in equilibrium at the

Q. Absolute zero temperature signifies the

Q. Sound waves propagation in air exemplifies an __________ process.

Q. For equilibrium process (i.e. reversible) in an isolated system

Q. The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of

Q. With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!