Table 1 Thermodynamic parameters of H2 adsorption on Pd/C (H2(g) + 2* → 2H*)a
From: Impact of hydronium ions on the Pd-catalyzed furfural hydrogenation
pH | \(\varDelta {H}^{o}\) (kJ molH2−1) | \(\varDelta {G}^{o}\) (kJ molH2−1) @ 298 K | \(\varDelta {S}^{o}\) (J molH2−1 K−1) | \({K}_{{H}_{2}}^{o}\) | |||
|---|---|---|---|---|---|---|---|
298 K | 313 K | 323 K | 333 K | ||||
1.6 | −31.5 | 6.0 | −125 | 0.090 | 0.050 | 0.034 | 0.025 |
3.0 | −35.0 | 5.3 | −135 | 0.119 | 0.062 | 0.039 | 0.027 |
4.5 | −37.3 | 5.1 | −142 | 0.128 | 0.061 | 0.038 | 0.029 |
5.8 | −40.3 | 4.1 | −149 | 0.189 | 0.091 | 0.057 | 0.036 |
7.0 | −42.3 | 3.8 | −154 | 0.215 | 0.105 | 0.056 | 0.039 |
