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Given the following information determine Kw and determine whether the temperature is higher or lower than 25°C a) pH = 6.84 b) pOH = 7.27

Given the following information determine Kw and determine whether the temperature is higher or lower than 25°C a) pH = 6.84 b) pOH = 7.27

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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2. a) pH = 6.84 >25°C simplest method: pH = pOH pKw = pH + pOH as pH <7, and ionization is endothermic, temp b) pOH = 7.27 Kw = 2.09 x 10-¹4 which is> 1.00 x 10-¹4 as pH >7, and ionization is endothermic, temp <25°C Kw = 2.88 x 10-¹5 which is < 1.00 x 10-¹4 -W
Transcribed Image Text:2. a) pH = 6.84 >25°C simplest method: pH = pOH pKw = pH + pOH as pH <7, and ionization is endothermic, temp b) pOH = 7.27 Kw = 2.09 x 10-¹4 which is> 1.00 x 10-¹4 as pH >7, and ionization is endothermic, temp <25°C Kw = 2.88 x 10-¹5 which is < 1.00 x 10-¹4 -W
2. Given the following information determine Kw and determine whether the temperature is higher or lower than 25°C a) pH = 6.84 b) pOH = 7.27
Transcribed Image Text:2. Given the following information determine Kw and determine whether the temperature is higher or lower than 25°C a) pH = 6.84 b) pOH = 7.27
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