Closed-loop reactions as a new kind of catalysts. 2 HCl = H2 + Cl2.

Closed-loop reactions as a new kind of catalysts. 2 HCl = H2 + Cl2. April 28, 2026 (1) 2 HCl = H2 + Cl2, dH = + 185 kJ, dS = - 21 J/K*mol. (1a) H2 + Cl2 + k * (H20 = H2 + 0.5 O2) + 2 HCl, T > (242 * k - 185) * 1,000 / (54 * k + 21) - 273. At k = 0.88, T > 150 C. At k = 0.85 and H2O (liquid), T = 97 C

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