Without carrying out an explicit calculation, explain there lative values of the standard molar entropies (at 298 K) of the following substances: (a) Ne(g) (146 J K-1 mol-1) compared with Xe(g) (170 J K-1 mol-1), (b) H2O(g) (189 J K-1 mol-1) compared with D2O(g) (198 J K-1 mol-1), (c) C(diamond) (2.4 J K-1 mol-1) compared with C(g raphite) (5.7 J K-1 mol-1).

Q: 2SO2​ (g) + O2​ (g) ------> 2SO3​ (g)   ΔS° =  _____J/K

A: The given chemical equation is represented as follows:

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A: I have given the answer in the explanation section. Hope you  will understand that.

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A: a.

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