Examine each of the reactions in the multiple choices below and decide whether the entropy change for each reaction (Sorxn) should be positive or negative. Pick the correct choice based on your analysis.a) For the reaction, N2O4(g) <-----> 2 NO2(g), Sorxn < 0.b) For the reaction, Fe2O3(s) + 6 HCl(g)<-----> 2 FeCl3(s) + 3 H2O(g), Sorxn > 0.c) For the reaction, 2 SO2(g) + O2(g) <----->2 SO3(g), Sorxn > 0.d) For the reaction, Al(s) + 3 Cl2(g) <-----> 2 AlCl3(s), Sorxn < 0.e) For the reaction, 2 Fe(s) + O2(g) <-----> 2 FeO(s), Sorxn > 0.

If gaseous mole of product increases then reaction have positive entropy change if gaseous mole of…

Answered: Examine each of the reactions in the…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 27QRT

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Examine each of the reactions in the multiple choices below and decide whether the entropy change for each reaction (S^o_rxn) should be positive or negative. Pick the correct choice based on your analysis.

a) For the reaction, N₂O₄(g) <-----> 2 NO₂(g), S^o_rxn < 0.
b) For the reaction, Fe₂O₃(s) + 6 HCl(g)<-----> 2 FeCl₃(s) + 3 H₂O(g), S^o_rxn > 0.
c) For the reaction, 2 SO₂(g) + O₂(g) <----->2 SO₃(g), S^o_rxn > 0.
d) For the reaction, Al(s) + 3 Cl₂(g) <-----> 2 AlCl₃(s), S^o_rxn < 0.
e) For the reaction, 2 Fe(s) + O₂(g) <-----> 2 FeO(s), S^o_rxn > 0.

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