Topical Questions
These questions are keyed to major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
Sodium reacts violently with water according to the equation
Na( s ) + H2O(l) → NaOH(aq) + 1/2 H2(g)
(a) Predict the signs of ΔH° and ΔS° for the reaction.
(b) Verify your predictions with calculations.
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