Is it possible for a catalyst to be an intermediate as well? Explain. How do enzymes work? Explain briefly. What is positive catalysis? Give a suitable example. What happens to the enzyme during the reaction? Is it being used up? Explain. What effect does th...
Working of the Three-Way Catalytic converter: Furthermore, the three-way typeuses two catalysts. One is a reduction catalyst, and another is an oxidation catalyst. The oxidation catalyst is made of palladium and platinum, whereas the reduction catalyst is of rhodium and platinum. However, both ...
Development of reversible and stable catalysts for the electrochemical reduction of CO2 is of great interest. Here, we elucidate the atomistic details of how a palladium electrocatalyst inhibits CO poisoning during both formic acid oxidation to carbon di
In the catalytic converter, there are two different types of catalyst at work: a reduction catalyst and an oxidation catalyst. Both types consist of a ceramic structure coated with a metal catalyst, usually platinum, rhodium and/or palladium. The idea is to create a structure that exposes the...
The stereoselectivty-determining step is the alkene carbometalation via TS21, and the exergonicity of the overall transformation (33.2 kcal/mol) does not affect the catalytic turnover, since no catalyst-poisoning species are involved. Origins of regioselectivity of Rh(I)/dppe-catalyzed ...
In the catalytic converter, there are two different types of catalyst at work: a reduction catalyst and an oxidation catalyst. Both types consist of a ceramic structure coated with a metal catalyst, usually platinum, rhodium and/or palladium....
Vegetable oil could be heated up in the presence of hydrogen, and manufacturers then add a heavy-metal catalyst such as hydrogen atoms or palladium to the carbon chain. This is going to turn the oil solid. If you want to start avoiding these oils (at least in part) check the flood labe...
How does it work? Discuss the importance of tautomerism in aromatic heterocyclic chemistry. Explain what chemophobia is, the "symptoms", and how you would help people who are afflicted better understand the importance of chemistry. Describe: 1) 3-(o-Chlorophenyl)butyric acid 2) N-Methyl o-...
Catalytic converters contain honeycomb-like structures with tiny pores that are coated with platinum, rhodium, or palladium depending on the catalyst stage. If these pores get clogged, the exhaust gases cannot pass through. To fix the problem, it is important to have the catalytic converter inspect...
This was probably because Si-C linkage does not exhibit the same strength in polarity com- pared to Si-O-C bonds. This had led to our postulation that a change in polarity on the surface, such as a result of a Si-O-C bond, would have aid in water/oxygen etching and the gradual ...