The ionization constant for NH4+ is K= 5.8 X 10-10at25°C:a. A temperature jump from 20°C t...

The ionization constant for NH4+ is K= 5.8 X 10-10at25°C:

a. A temperature jump from 20°C to 25°C is made on a 0.1 M NH4 solution at pH 6. Calculate the relaxation time for the reaction, assuming that the mechanism is given by the ionization equation shown.

---

b. The relaxation time is a function of pH. At what pH will the relaxation time have its largest value?

---

c. How would you measure the activation energy for k1 Would you expect the activation energy to be less than 50 kJ? Greater than 100 kJ? Explain.

---

d. According to Debye-Huckel theory, would you expect the relaxation time to increase, decrease, or remain unchanged if 0.1 M NaCl is added? Explain.