The table below presents thermodynamic data for the dissociation reaction of acetic acid, CH3COOH And of acetic trichloroacetic acid CCl3COOOH. CH3COOH(l) + H2O(l) ⇄ CH3COO(aq)− + H3O(aq)+ CCl3COOH(l) + H2O(l) ⇄ CCl3COO(aq)− + H3O(aq)+ a. What is the value of °ΔS in C°25 To the dissociation reaction of acetic acid? show calculations. b. What is the value of Kc in 25oC To the dissociation reaction of trichloroacid Acetic? Show calculations. b.2. Explain the difference between the Kc value of CCl3COOOH and that of CH3COOH based on acid structure. c. Will the value of Kc at 35 ° C for acetic acid, CH3COOH, be small / equal / Greater than its value at 25 ° C? Explain. d. Explain the negative sign of ΔS to the dissociation reaction of triacid Acetic chlorine, CCl3COOOH.
The table below presents
CH3COOH(l) + H2O(l) ⇄ CH3COO(aq)− + H3O(aq)+
CCl3COOH(l) + H2O(l) ⇄ CCl3COO(aq)− + H3O(aq)+
a. What is the value of °ΔS in C°25 To the dissociation reaction of acetic acid? show calculations.
b. What is the value of Kc in 25oC To the dissociation reaction of trichloroacid
Acetic? Show calculations.
b.2. Explain the difference between the Kc value of CCl3COOOH and that of
CH3COOH based on acid structure.
c. Will the value of Kc at 35 ° C for acetic acid, CH3COOH, be small / equal
/ Greater than its value at 25 ° C? Explain.
d. Explain the negative sign of ΔS to the dissociation reaction of triacid
Acetic chlorine, CCl3COOOH.
| Kc (25°C) | ΔS° (J/mol·K) | ΔH° (kJ/mol) | ΔG° (kJ/mol) | |
| 1.77×10 -5 | -2.51 | 27.12 | CH3COOH | |
| -13.66 | 3.93 | CCl3COOOH |
Step by step
Solved in 2 steps with 1 images
