0
What else can I help you with?
What catalyst used in the Ostwald process?
Platinum is the catalyst typically used in the Ostwald process, which is a method for producing nitric acid through the oxidation of ammonia. The platinum catalyst plays a critical role in promoting the conversion of ammonia to nitric oxide, an important intermediate in the process.
How does a platinum-rhodium catalyst work?
Platinum and rhodium are commonly used jointly in catalytic converters. A platinum-rhodium catalyst is a reduction catalyst, which is the first stage of the catalytic converter. It uses platinum and rhodium to help reduce the nitrogen oxides (NO and NO2, together called NOx) emissions. When an NO or NO2 molecule contacts the catalyst, the catalyst rips the nitrogen atom out of the molecule and holds on to it, freeing the oxygen in the form of O2. The nitrogen atoms bond with other nitrogen atoms that are also stuck to the catalyst, forming N2. The nitrogen atoms bond with other nitrogen atoms that are also stuck to the catalyst, forming N2. For example: 2NO => N2 + O2 or 2NO2 => N2 + 2O2
How is a catalyst like platinum different from an enzyme?
A catalyst like platinum is a non-biological substance that speeds up chemical reactions by providing an alternative pathway with lower activation energy. Enzymes, on the other hand, are biological catalysts that are specific to certain reactions and are essential for biological processes. Enzymes are made up of proteins and can be regulated by the cells that produce them, while catalysts like platinum are typically inorganic and do not have this level of specificity or regulation.
Is platinum is a precious stone?
Platinum is a metal. It is found in its metallic form. Its color makes it valuable as jewelry. Its chemical properties make it valuable as a catalyst.
What is poisoning of catalysis?
Poisoning of catalysis refers to the process where an unwanted substance, known as a catalyst poison, inhibits the activity of a catalyst, reducing its effectiveness in facilitating a chemical reaction. This can occur when the poison adsorbs onto the active sites of the catalyst, blocking the reactants from interacting with it. Common examples include sulfur or lead in catalytic converters, which can significantly impair their performance. Ultimately, catalyst poisoning can lead to decreased reaction rates and increased production costs.
What are examples of anti-catalyst substances?
they are inhibitors of chemical reactions or diminishes the activity of a catalyst. The inhibition is temporary when the poison is adsorbed on the surface of the catalyst in preference to the reactants. The Permanent poisoning is when a covalent bond is formed between the poison and the catalyst.for example volatile sulfur and volatile silicon cause permanent poisoning during many cases. Arsenic are poison to platinum. In the reaction of decomposition of H2O2 by platinum, HCN act as poison. In another case CO act as poison to copper during the reaction of hydrogen and ethylene.
How can you separate platinum out of a catalytic converter?
There are special facilities for catalyst recycling. The effort of getting platinum out of a catalyst isn't worth it due to the low quantity and hazardous for health due to the high toxicity of platinum under the conditions that the catalyst has undergone.
What catalyst is used to oxidize ammonia?
Platinum
What is the name of the catalyst found in a catalytic converter?
Platinum, palladium and rhodium are metals used as catalyst in converters.
What makes catalytic converters so valueble?
The platinum catalyst.
What chemical element is a good catalyst?
An important example is platinum.
What catalyst used in the Ostwald process?
Platinum is the catalyst typically used in the Ostwald process, which is a method for producing nitric acid through the oxidation of ammonia. The platinum catalyst plays a critical role in promoting the conversion of ammonia to nitric oxide, an important intermediate in the process.
What is the chemical symbol for platinum oxide?
Platinum dioxide, also known as Adams' catalyst, is usually represented as platinum(IV) oxide hydrate, PtO2-H2O. It is a catalyst for hydrogenation and hydrogenolysis in organic synthesis. This dark brown powder is commercially available. The oxide itself is not an active catalyst, but it becomes active after exposure to hydrogen whereupon it converts to platinum black, which is responsible for reactions.
What is a catalyst in catalyst converters?
There are many different catalysts found in cars and trucks, depending on the vehicle and the country it was manufactured for. The most common catalyst is platinum, along with the other platinum-group metals palladium and rhodium. Other metals are also commonly used.
How does a platinum-rhodium catalyst work?
Platinum and rhodium are commonly used jointly in catalytic converters. A platinum-rhodium catalyst is a reduction catalyst, which is the first stage of the catalytic converter. It uses platinum and rhodium to help reduce the nitrogen oxides (NO and NO2, together called NOx) emissions. When an NO or NO2 molecule contacts the catalyst, the catalyst rips the nitrogen atom out of the molecule and holds on to it, freeing the oxygen in the form of O2. The nitrogen atoms bond with other nitrogen atoms that are also stuck to the catalyst, forming N2. The nitrogen atoms bond with other nitrogen atoms that are also stuck to the catalyst, forming N2. For example: 2NO => N2 + O2 or 2NO2 => N2 + 2O2
What acts as a catalyst in catalytic converters?
Usually platinum, rhodium and/or palladium.
Where can you find platinum in waste?
by waste i asume you mean trash or junk. cadalytic converters have platinum in them, because platinum is a catalyst. cadalytic converters are found on cars.
