Theoretical activation changes of entropy (ΔS^≠), activation energies (E_a) and pseudo-first-order reaction rate coefficients at pH 4.5 (k_H⁺) for the eight reactions in Fig. 7 and 8.

Reaction	ΔS≠ (kcal mol−1 K−1)	E a (kcal mol−1)				k H+ (s−1)
		288 K	298 K	308 K	318 K	288 K	298 K	308 K	318 K
1A	0.013	8.9	8.9	9.0	9.0	1.4 × 106	1.6 × 106	1.9 × 106	2.1 × 106
1B	0.009	7.1	7.2	7.2	7.2	1.8 × 105	2.3 × 105	2.9 × 105	3.6 × 105
1C	0.004	3.7	3.7	3.8	3.8	2.6 × 107	2.9 × 107	3.1 × 107	3.3 × 107
1D	0.005	5.4	5.4	5.5	5.5	5.0 × 106	5.7 × 106	6.5 × 106	7.3 × 106
2A	0.011	8.5	8.6	8.6	8.7	1.1 × 106	1.3 × 106	1.5 × 106	1.8 × 106
2B	0.009	5.8	5.8	5.8	5.8	7.9 × 104	1.1 × 105	1.5 × 105	1.9 × 105
2C	0.005	3.4	3.5	3.5	3.5	3.8 × 107	4.1 × 107	4.4 × 107	4.6 × 107
2D	0.006	5.3	5.3	5.4	5.4	7.6 × 106	8.6 × 106	9.7 × 106	1.1 × 107