Which of the following statements are always correct? | TestHub

ChemistryMediummultiple choice

Which of the following statements are always correct?

Answer:

A, B, C

Solution:

(A) Irreversible processes increase the entropy of the universe: true.

(B) $q_{re v} = 0$ , so $Δ S_{sys} = 0$ : true.

(C) For an isolated system $Δ S_{s u rr} = 0$ , so $Δ S_{sys} = Δ S_{u ni v} > 0$ : true.

(D) In an isothermal reversible expansion the surroundings give heat to the gas, so $Δ S_{s u rr} = - Δ S_{sys} \neq = 0$ : false.

Answer: A, B, C.

Stream:JEESubject:ChemistryTopic:Thermodynamics - IISubtopic:Randomness and Third law of TD

⏱ 2mℹ️ Source: QB

Chemistry - Thermodynamics - II Question with Solution | TestHub