# Problem: Kw for the auto-ionization of water, H2O(l) → H+(aq) + OH− (aq), is 1.0 × 10−14. What are the signs (+/−) of ΔS° and ΔH° for the reaction at 25°C? a) ΔS° = (+) and ΔH° = (+) b) ΔS° = (+) and ΔH° = (−) c) ΔS° = (–) and ΔH° = (+) d) ΔS° = (–) and ΔH° = (–)

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Kw for the auto-ionization of water, H2O(l) → H+(aq) + OH (aq), is 1.0 × 10−14. What are the signs (+/−) of ΔS° and ΔH° for the reaction at 25°C?

a) ΔS° = (+) and ΔH° = (+)

b) ΔS° = (+) and ΔH° = (−)

c) ΔS° = (–) and ΔH° = (+)

d) ΔS° = (–) and ΔH° = (–)

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