Predict the sign (positive or negative) on the entropy change for each of these reactions. (a) 2 50, (e) + O2(g) → 250...

Question

Question

Predict the sign (positive or negative) on the entropy change for each of these reactions. (a) 2 50, (e) + O2(g) → 250 (6) (b

Answer 1

Answer #1

entropy of gas > entropy of aqueous > entropy of liquid > entropy of solid

a)

There are more gases in reactant than in product.

So, there is more entropy on reactant side than on product side.

So, entropy change is negative

Answer: negative

B)

There are more gases in product than in reactant.

So, there is more entropy on product side than on reactant side.

So, entropy change is positive

Answer: positive

c)

There are gases only on reactant side.

So, there is more entropy on reactant side than on product side.

So, entropy change is negative

Answer: negative

Answer 2

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