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An isolated box, equally partitioned contains two ideal gases A and B as shown
When the partition is removed, the gases mix. The changes in enthalpy (∆H) and entropy (∆S) in the process, respectively, are
(a) zero, positive
(b) zero, negative
(c) positive, zero
(d) negative, zero
An isolated box, equally partitioned contains two ideal gases A and B as shown
When the partition is removed, the gases mix. The changes in enthalpy (∆H) and entropy (∆S) in the process, respectively, are
(a) zero, positive
(b) zero, negative
(c) positive, zero
(d) negative, zero
Answer is : (a) zero, positive
∆H for this process = CV∆T = 0 (at constant temperature)
∆S for this process will be positive that is ∆S > 0, the randomness increases the molecules of gases A and B gets intermixed with each other, when the partition is removed.