Practice Exercise 18.07 would you expect the S to be positive or negative for th

Question

Practice Exercise 18.07 would you expect the S to be positive or negative for the following: Ag+(aq) + I-(aq) AgI(s) S should be negative because the molecules in the reactants have less freedom of movement than the product. S should be positive because the molecules in the product have less freedom of movement than the reactants. S should be negative because the molecules in the product have less freedom of movement than the reactants. S should be positive because the molecules in the reactants have less freedom of movement than the product.

Explanation / Answer

The third option is correct. dS should be negative because the molecules in the product have less freedom of movement than the reactants. It is because the products are in the solid state so they have less freedom as compared to the molecules in the liquid state.

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