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Catalysts and Catalysis

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

950 Questions

What is the difference between an aircraft fuel and normal fuel?

Aircraft fuel, such as aviation gasoline or jet fuel, is specifically formulated for use in aircraft engines and meets strict safety and performance standards set by aviation authorities. Normal fuel refers to gasoline or diesel fuel commonly used in cars and other vehicles. Aircraft fuel has a higher energy content and is designed to perform under high-altitude and high-speed conditions.

Does enzyme is a protein that acts as a catalyst?

Yes, enzymes are proteins that act as biological catalysts, speeding up chemical reactions within cells by lowering the activation energy needed for the reaction to occur. This allows biochemical reactions to happen at a much faster rate than they would without enzymes.

What it will change adding a catalyst to a chemical reaction?

Adding a catalyst to a chemical reaction can increase the rate of the reaction by providing an alternative pathway with lower activation energy. This allows the reaction to occur more quickly without being consumed in the process. Essentially, a catalyst speeds up the reaction without being permanently changed itself.

What happenes to the speed of a chemical reaction when a catalyst is present?

The speed of a chemical reaction increases when a catalyst is present because the catalyst lowers the activation energy required for the reaction to occur. This allows the reaction to proceed more quickly without being consumed in the process.

What is term catalyst is introduced by?

The term "catalyst" was introduced by the Swedish chemist Jöns Jacob Berzelius in the early 19th century. He used this term to describe substances that accelerate chemical reactions without themselves being consumed in the reaction.

Why are transition metal are majorly use as catalyst?

Transition metals are commonly used as catalysts due to their ability to easily change oxidation states, which allows them to participate in redox reactions. Their electron configuration also allows them to form stable complexes with reactants, facilitating the reaction process. Additionally, transition metals have variable coordination geometry and ligand exchange rates, making them versatile catalysts for a wide range of reactions.

What does you observe while burning camphor?

When burning camphor, you will observe a white flame and a distinct aromatic odor. Camphor sublimes, which means it transforms from a solid directly into a gas, without passing through a liquid phase.

How does a triamine act as a catalyst?

A triamine can act as a catalyst by facilitating a chemical reaction without being consumed in the process. It can interact with substrates to lower the activation energy required for the reaction, thereby increasing the rate of the reaction. Triamines can also enhance the formation of intermediates or stabilize transition states, promoting the desired reaction pathway.

Why only a small amount of enzyme is needed to catalyse a reaction involving many molecoles?

Enzymes are catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to occur. Because enzymes can be used repeatedly, a small amount is needed to catalyze the reaction involving many molecules. This efficiency is due to the specific shape of the active site on the enzyme that allows it to interact with and process multiple substrate molecules.

What is the difference between Ziegler Natta and metallocene catalyst?

Ziegler-Natta catalysts are heterogeneous catalysts composed of transition metals and organometallic compounds, while metallocene catalysts are homogeneous catalysts consisting of a single transition metal atom sandwiched between two cyclopentadienyl ligands. Metallocene catalysts are more precise and produce polymers with narrower molecular weight distribution compared to Ziegler-Natta catalysts.

What is a catalyst for kids?

A catalyst for kids is something or someone that inspires and encourages children to learn, grow, and develop their skills and talents. This could be a mentor, a role model, a program, or an experience that helps ignite curiosity and motivation in children.

What happens to acetone when heated?

When acetone is heated, it evaporates and turns into a gas. Acetone has a low boiling point of 56 degrees Celsius, so it easily transitions from a liquid to a gas when heated.

What is the catalyst for the 1930 new method company self starting lighter?

The catalyst for the 1930 New Method Company self-starting lighter was the invention of an innovative mechanism that allowed the lighter to ignite without the need for manually striking a flint. This mechanism involved a spring-loaded rotating spark wheel that produced a spark when the user pushed a button, enabling the lighter to self-start.

Why catalyst required when hydrogen reacts with iodine?

A catalyst is required when hydrogen reacts with iodine to help break the strong bond between hydrogen molecules, allowing them to react with iodine more readily. The catalyst assists in lowering the activation energy required for the reaction to occur, thereby increasing the rate of the reaction.

Does removing a catalyst converter increase fuel consumption?

Yes, removing a catalytic converter can increase fuel consumption because it can lead to inefficient combustion of fuel, resulting in higher fuel consumption. Additionally, the engine may not run as efficiently without the catalytic converter, causing it to burn more fuel.

What does a catalyst do in washing powder?

A catalyst in washing powder helps to speed up the cleaning process by enhancing the breaking down of stains and soils, allowing the detergent to work more efficiently. It helps to increase the effectiveness of the detergent in removing dirt and grime from clothes during the washing process.

How many ring structure can be found in the molecular structure of a hormone?

Hormones can have one or more ring structures in their molecular structure. For example, steroids such as testosterone have four rings, while peptides like insulin do not have any ring structures. The number of ring structures in a hormone depends on its specific molecular structure and composition.

What is the purpose of using surfactant when extracting DNA?

Surfactants help break down cell membranes and release DNA. They reduce surface tension and facilitate mixing of the sample, allowing for better contact between the solvent and biomolecules. This helps improve the efficiency of DNA extraction.

What effect does the catalyst have on a reaction?

A catalyst speeds up a chemical reaction by lowering the activation energy required for the reaction to occur. This allows the reaction to proceed at a faster rate without being consumed in the process. It does not affect the overall energy change or equilibrium of the reaction.

What is activation powder?

Activation powder is a chemical compound used in various applications, such as cleaning black money and removing impurities from metals. It is often utilized in illegal activities such as money laundering and fraud schemes due to its ability to transform stained or colored banknotes into usable currency.