Homogeneous catalysis heterogeneous catalysis is the petrochemical alkylation process, where the liquid reactants are immiscible with a solution containing the catalyst. Heterogeneous catalysis offers the advantage that products are readily separated from the catalyst, and heterogeneous catalysts are often more stable and degrade much slower than homogeneous catalysts. However, heterogeneous catalysts are difficult to study, so their reaction mechanisms are often unknown. Enzymes possess properties of both homogeneous and heterogeneous catalysts. As such, they are usually regarded as a third, separate category of catalyst. Homogeneous catalysis In chemistry, homogeneous catalysis is catalysis in a solution by a soluble catalyst. Homogeneous catalysis refers
A Mixture of Frailties laughter, wise and perceptive about life and art, capable of touching the sorrowful as well. In short, from Canada, a thoroughly rewarding writer with a fine new book." A Mixture of Frailties A Mixture of Frailties, published by Macmillan in 1958, is the third novel in The Salterton Trilogy by Canadian novelist Robertson Davies. The other two novels are "Tempest-Tost" (1951) and "Leaven of Malice" (1954). The series was also published in one volume as The Salterton Trilogy in 1986. The trilogy revolves around the residents of the imaginary town of Salterton, Ontario. The protagonist, Monica Gall, is a working-class