Is the self ionization of water endothermic or exothermic? The ionization constant for water (Kw) is 5.0 ✕ 10−15 at 16°C and 7.1 ✕ 10−14 at 55°C.   When the temperature of the system is increased, the reaction shifts toward the  ---Select--- reactant OR product side, making K  ---Select--- larger OR smaller . According to Le Châtelier's principle, the reaction shifts  ---Select--- towards or away from the heat term, so the heat term must be on the  ---Select--- reactant or product side of the equation. Therefore, the reaction is  ---Select--- endothermic or exothermic .

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Is the self ionization of water endothermic or exothermic? The ionization constant for water (Kw) is 5.0 ✕ 10−15 at 16°C and 7.1 ✕ 10−14 at 55°C.

 

When the temperature of the system is increased, the reaction shifts toward the  ---Select--- reactant OR product side, making K  ---Select--- larger OR smaller . According to Le Châtelier's principle, the reaction shifts  ---Select--- towards or away from the heat term, so the heat term must be on the  ---Select--- reactant or product side of the equation. Therefore, the reaction is  ---Select--- endothermic or exothermic .

 

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