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Ziegler-Natta catalysts are used to facilitate the polymerization of alkenes, particularly ethylene and propylene, to produce polymers like polyethylene and polypropylene. These catalysts, typically composed of a transition metal compound (like titanium chloride) and an organoaluminum compound (such as triethylaluminum), create active sites that enable the coordination of monomers. The process involves the insertion of the monomer into the metal-carbon bond, leading to the growth of a polymer chain. This method allows for the control of polymer properties, such as molecular weight and tacticity, making it crucial for producing various polymer materials.
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What is the substance that a catalyst works on?
The substrate on which a catalyst works is called its substrate
What happens to the enzyme after the reaction is complete?
enzyme works as a catalyst before and after the reaction it is preserved
An enzyme is a special kind of catalyst that works to do what?
An enzyme is a special kind of catalyst that works to accelerate chemical reactions by lowering the activation energy required for the reaction to occur. This allows reactions to happen at a faster rate, making biological processes more efficient.
What term describes a substance rhat lowers the amount of energy needed to start a chemical reaction?
This substance is called a catalyst.
What is the meaning of the word catalyst?
A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It works by providing an alternative pathway with lower activation energy for the reaction to occur.
What is the substance that a catalyst works on?
The substrate on which a catalyst works is called its substrate
How sulphonated starch works as catalyst?
sulphonated starch works as a enzyme that braeks food down into tiny particles
How enzymes works?
Provide an alternate pathway with a lower activation energy for a reaction
What happens to the enzyme after the reaction is complete?
enzyme works as a catalyst before and after the reaction it is preserved
An enzyme is a special kind of catalyst that works to do what?
An enzyme is a special kind of catalyst that works to accelerate chemical reactions by lowering the activation energy required for the reaction to occur. This allows reactions to happen at a faster rate, making biological processes more efficient.
What is clay catalyst?
A clay catalyst is a type of catalyst that is based on clay minerals. These catalysts are used in various chemical reactions to increase the rate of the reaction and improve selectivity towards desired products. Clay catalysts are known for their stability, reusability, and low cost.
Light energy is converted to chemical energy?
we can use photo catalyst material which works in presence of light.
How much catalyst remains at the end of a catalysed reaction?
At the end of a catalyzed reaction, the catalyst should remain unchanged and be present in the same amount as initially added. The catalyst works by lowering the activation energy of the reaction, facilitating the reaction without being consumed in the process.
What substance increases the rate of a reaction but is not itself changed by the reaction?
It's called a catalyst. A catalyst is present during a chemical reaction but does not participate as a reactant or product. A catalyst lowers the reaction's activation energy, making the reaction easier to happen. In the equation for a chemical reaction, the catalyst's formula appears in small notation above the "yield" arrow (format won't let me show you an example.) An example of a catalyst is potassium iodide (KI) speeding up the decomposition of hydrogen peroxide (H2O2).
What term describes a substance rhat lowers the amount of energy needed to start a chemical reaction?
This substance is called a catalyst.
What is the meaning of the word catalyst?
A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It works by providing an alternative pathway with lower activation energy for the reaction to occur.
Is a catalyst required in small amounts?
Yes, a catalyst is typically required in small amounts to increase the rate of a chemical reaction without being consumed in the process. It works by providing an alternative reaction pathway with lower activation energy, allowing the reaction to proceed faster.
