Equilibrium constants for hydrogenation

Again, if we divide the square of the equilibrium constant for hydrogen chloride by that for steam we obtain the equilibrium for the Deacon process of chlorine manufacture ... 

The parameters of Table III suggest that the higher reaction rates on Pt/Sn/KLTL zeolite and Pt/Sn/K/Si02 may be attributed to the stabilization of adsorbed species on the small Pt/Sn clusters within the zeolite micropores and/or stabilization by the presence of potassium. For example, equilibrium constants for hydrogen adsorption at the average temperature of... 

In order to tackle the pressurised, high-temperature, equilibrium systems, the AS and the AG must be taken from the JANAF thermochemical tables (Chase etal., 1986 1998). The AS determines the reversible heat input to the Carnot cycle. Pressure affects the equilibrium constant for hydrogen, but not for carbon monoxide. Pressure moves the equilibrium concentrations in the direction of the product, affecting circulator power. 

TABLE 10. Equilibrium constants for hydrogen bond formation between /V-phenyl-1-naphthylamine (81) and proton acceptors in cyclohexane at 25 °C147... 

Estimated Equilibrium Constants for Hydrogen Abstraction Reaction at... 

Later, the same group reported the synthesis of a more acidic 4,6-dinitrodibenzocyclo-butane-1,8-diol [8] and examined equilibrium constants for hydrogen bonding with various bases [9] (Table 9.1). Binding affinity of dinitro substituted bisphenol to TMP was 40-fold higher compared to that of unsubstituted one (run 1). Similar but moderate effects were observed with respect to other hydrogen acceptors, HMPA, 2,6-dimethyl-y-pyrone (DMP), tetramethylenesulfoxide (TMSO), and dimethyl sulfoxide (DMSO) (runs 2-5). Thus, the... 

Now having both the prefactors and the activation energies for both adsorption and adsorption is it possible to estimate the equilibrium constant for hydrogen adsorption. Under equilibrium conditions Equation (4.37) will be reduced to ... 

Much of the work on hydrogen bonding discussed above was initiated by the work of Littlewood and Willmott. They made a detailed study of the retention of organic solutes in 1-dodecanol, lauronitrile, and their mixtures in squalene. In some cases, equilibrium constants for hydrogen bonding were calculated. Vernon has recently used g.l.c. to investigate the hydrogen bonds between ketone solvents and chloroparaffin, alcohol, and amine solutes. 

Equilibrium constants for hydrogen-isotope-exchange reactions can be obtained either by the difference method or by the double-cell method. The difference method for hydrogen-isotope-exchange... 

Heats of Reaction and Equilibrium Constants for Hydrogenation of Acetylene to Ethylene and Ethane... 

Rate constant for hydrogen entry on input side Rate constant for hydrogen exit on output side Rate constant for reversible hydrogen trapping Equilibrium constant for hydrogen absorption = kjk ... 

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