Ammonium cation NH4 dissociate in diluted aqueous solution according to the scheme: NH4+H2O →→→ NH3 + H30* At 25 °C ammonium cation has pKA = 9.245 and its standard dissociation enthalpy AH = 52.01 kJ mol-¹. زومان 26 a) Is the dissociation of ammonium cation exothermic or endothermic? b) Consider, without calculation, if ammonia (NH3) is stronger or weaker base at higher temperature

Ammonium cation NH4 dissociate in diluted aqueous solution according to the scheme: NH4+H2O →→→ NH3 + H30* At 25 °C ammonium cation has pKA = 9.245 and its standard dissociation enthalpy AH = 52.01 kJ mol-¹. زومان 26 a) Is the dissociation of ammonium cation exothermic or endothermic? b) Consider, without calculation, if ammonia (NH3) is stronger or weaker base at higher temperature

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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