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.com/ibiscms/mod/ibis/view.php?id-5106009 Jump to.. 2/5/2018 06:00 AM3/100 Gradeboo Print Calculator Periodic Table Question 4 of 27 General Chemistry 4th Editio University Science Books presented by Sapling Leaming Map The change in entropy, AS n, is related to the the change in the number of moles of gas molecules, n Determine the change in the moles of gas for each of the following reactions and decide if the entropy increases, decreases, or has little or no change. Number O increases | decreases mol 4 O has little or no change Number O increases mol As. O decreases O has little or no change O Previous ® Give up & View Solton e heck Answer 0 Next Ext about us careers privacy policy terms ofuse contact us help

Explanation / Answer

For (a) entropy increases because even though number of moles remain same on both reactant & product side but we can see the conversion solid & gas molecules to gaseous molecules. So entropy increases.

For (b) entropy increases as there is increase in number of moles in the product side than reactant side & also liquid is converted to gas state.

For (c) & (d) entropy increases as there is formation gaseous molecules as products.

In (d) no of moles of products are more than number of moles of reactants.So entropy increases as entropy is maximum for gaseous form.

A

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