"surface" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- Here (ads) refers to particles adsorbed on the catalyst surface and (adj) to particles of silver, directly adjacent to the oxygen atoms.
- The large surface areas of these solids increase the probability that a reactant molecule in solution will come into contact with the catalyst surface and react.
- The catalyst can then be dried and calcined to drive off the volatile components within the solution, depositing the metal on the catalyst surface.
- He has collaborated with Gabor Somorjai on the use of the technique of Sum Frequency Generation Spectroscopy to study catalyst surfaces.
- The intermediate reaction states were: HO, HO, then HO and the final reaction product (water molecule dimers), after which the water molecule desorbs from the catalyst surface.
- This has the effect of increasing the concentration of the reactants at the catalyst surface and also weakening of the bonds in the reacting molecules (the activation energy is lowered).
- Surface diffusion is a critically important concept in heterogeneous catalysis, as reaction rates are often dictated by the ability of reactants to "find" each other at a catalyst surface.
- In heterogeneous catalysis, the reactants diffuse to the catalyst surface and adsorb onto it, via the formation of chemical bonds.
- The stoichiometry of the reaction is given by, but this equation gives no indication of what happens on the catalyst surface: for example, carbon dioxide is almost certainly involved as an intermediate at one stage.
- Chemists have begun to develop models for these processes and for the formation of other compounds using soluble metal compounds which are more easily studied than catalyst surfaces.
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