K_w for the Auto-Ionization of Water, H₂O(l) $\to$ H⁺(aq)+ OH^- (Aq), Is 1

question 75

Multiple Choice

K_w for the auto-ionization of water, H₂O(l) $\to$ H⁺(aq) + OH^- (aq) , is 1.0 $\times$ 10^-14. What are the signs (+/-) of $\Delta$ S° and $\Delta$ H° for the reaction at 25°C?

• A)(\(\Delta\)S° = (+)and \(\Delta\)H° = (+))
• B)(\(\Delta\)S° = (+)and \(\Delta\)H° = (-))
• C)(\(\Delta\)S° = (-)and \(\Delta\)H° = (+))
• D)(\(\Delta\)S° = (-)and \(\Delta\)H° = (-))

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