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Catalysts and Catalysis

Catalysts are compounds or elements which take part in a reaction without getting used up themselves.

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How does an iron catalyst affect the rate of reaction?

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An iron catalyst can significantly affect the rate of a chemical reaction by providing an alternative reaction pathway that has a lower activation energy compared to the uncatalyzed reaction. Here's how it works:

Lowering Activation Energy: The presence of an iron catalyst lowers the activation energy required for the reaction to proceed. Activation energy is the energy barrier that molecules must overcome to undergo a chemical reaction. By providing an alternative reaction pathway with a lower activation energy, the iron catalyst enables more reactant molecules to overcome this barrier and participate in the reaction, thus increasing the reaction rate.

Increasing Collision Frequency: Iron catalysts can also increase the frequency of collisions between reactant molecules by providing a surface where reactant molecules can come together more readily. This increased collision frequency leads to more successful collisions and, consequently, a higher reaction rate.

Stabilizing Reaction Intermediates: During the course of a reaction, intermediate species may form temporarily before being converted into the final products. Iron catalysts can stabilize these intermediate species, allowing them to persist for longer periods and undergo further reactions to form products more efficiently.

Enhancing Selectivity: In some cases, an iron catalyst can enhance the selectivity of a reaction, favoring the formation of specific products over others. This selectivity arises from the unique interaction between the reactant molecules and the catalyst surface, which can promote certain reaction pathways while inhibiting others.

Overall, the presence of an iron catalyst can dramatically increase the rate of a chemical reaction by providing an energetically favorable pathway for the transformation of reactants into products. This catalytic effect is crucial in various industrial processes, such as the production of ammonia in the Haber-Bosch process and the synthesis of organic compounds in the Fischer-Tropsch process.

Catalysts increase the rate of chemical reaction?

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YES!!! TRue.

Inhibitors decrease the rate of reaction, especially if ther reaction is too fast.

Enzymes are very specific catalysts. They aid a reaction to go forward, but only at a very specific temperature and pH environment.

What are disadvantages of enzymes?

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Specificity: Enzymes are highly specific in their actions. Each enzyme typically catalyzes a particular chemical reaction or a limited set of reactions. This specificity can hinder their use in some industrial applications where a broader range of reactions may be desired.

Define the base of a microscope?

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The base of a microscope is the bottom part of the microscope that provides stability and support. It typically houses the light source, such as a lamp or a mirror, and also contains the power switch and controls for adjusting the brightness and intensity of the light, as well as other possible features such as a power supply or a battery compartment. The base is essential for maintaining the overall balance and stability of the microscope during use.

What vitamin binds to an enzyme and plays a role in catalyst?

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Vitamin B6, also known as pyridoxal phosphate (PLP), binds to enzymes and functions as a coenzyme. It plays a vital role in various biochemical reactions, acting as a catalyst for over 100 enzymatic reactions in the body. Some of these reactions include the metabolism of amino acids, production of neurotransmitters, and synthesis of hemoglobin.

What is the green colored catalyst in a plant cell called?

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The green colored catalyst in a plant cell is called chlorophyll. It plays a crucial role in photosynthesis, capturing light energy and converting it into chemical energy to fuel the plant's metabolic processes.

Is a potato a catalyst?

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Yes, potatoes contain various oxidases and peroxidases. But I'd suggest taking a look at your bio textbook or lab info, or listening to your teacher.

How is catalyst use in industries?

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is because it speeds up the process. In orded to get the product in a shorter time.

What effect does a catalyst have on a system equilibrium?

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The correct answer is a simple one: The system is unaffected by a catalyst in a system in equilibrium.

What is chemoselectivity?

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the reaction of one functional group in the presence of another same or different functional group

Are enzymes proteins?

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Most enzymes are proteins, yes. However, the statement (used some number of years ago) that all enzymes are proteins is false. There are a few (but important) exceptions to that generalization.

What are advantages of using catalyst?

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  • In the chemical industry and the industrial research, catalysis play an important role.
  • The different catalysts are in constant development to fulfill economic, political and environmental demands.
  • When using a catalyst it is possible to replace a polluting chemical reaction with a more environmental friendly alternative. Today, and in the future this can be vital for the chemical industry.
  • The catalysts could help in accelerating chemical reactions and/or making it possible at lower temperatures.

Is their a relation between uses of the transition metal as a catalyst and the properties of transition metals?

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One property of transition metals is that all elements and compounds in transition metals act as a catalyst ( speeds up chemical reactions. )

xcool77

At the conclusion of an enzyme catalyzed reaction what does the the enzyme do?

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I think it frees itself from the product and is ready to be reused.

An enzyme is a special kind of catalyst that works to do what?

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speed up chemical reaction because of the lowered activation energy

How does the present of a catalyst affect the rate of reactions?

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A catalyst is a substance which speeds up the rate of reaction. After the reaction it remain chemically unchanged. It does NOT affect the position of equilibrium. There can also be negative or "poisoned" catalysts as in Rosenmunds reaction.

Is an a enzyme a catalyst found in every cell in the body?

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Just about every reaction in our bodies is regulated by an enzyme. The word enzyme is just another word for catalyst.

How do enzymes affect food?

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Enzymes help in digestion of food by catalyzing the biochemcal reactions between food molecules and chemicals that helps in digestion.

Enzymes speed up the biochemical reactions and act as catalysts.

How is catalyst enzyme activation energy substrate related?

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No, not at all. No, not at all. No, not at all.

Projects of chemistry 0f class11?

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1.Are there any differences between the calculated density and the experimental density of a substance? If so, why?

What happens when manganese dioxide is added to hydrogen peroxide and why was manganese dioxide added to the test tube containing hydrogen peroxide?

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Yes, it would bubble because the bubbles are the result of the breakdown of two hydrogen peroxide molecules into oxygen and two water molecules.

Why does a catalyst cause a reaction to proceed faster?

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It decreases the activation energy, or the energy barrier the reactants must go through to form products. This is the same thing as the energy of the transition state.

By decreasing the activation energy necessary for the reaction to occur, more reactants are able to form products since not as much energy is needed.

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