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Introduction to E2 Mechanism

why entropy c...

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why entropy change can not be calculated for isochoric process??

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Q. Calculate the entropy change for the following reversible process:

α - T i n 1 m o l a t 1 a t m ⇌ β - T i n 1 m o l a t 1 a t m

13^{o} C

(Δ H_{t r a n s} = 2090 J {m o l}^{- 1})

Q. Calculate the entropy change for the following process possessing.

Δ H_{t r a n s i t i o n} = 2090 J {m o l}^{- 1}

1 m o l e S n (α, 13^{o} C) ⇌ 1 m o l e S n (β, 30^{o} C)

Q. The enthalpy change, for the transition of liquid water to steam,

Δ H_{v a p o u r}

40.8 k J {m o l}^{- 1}

373 K

. Calculate the entropy change for the process.

Q. Assertion :Suppose some reaction takes place in a container which has a movable side,then if it is known that for that particular reaction its entropy change is negative then we can necessarily say that that reaction is not possible. Reason: For any process to undergo,its entropy change must be positive.

For a reversible process at equilibrium, the change in entropy may be expressed as:

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