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A substance that causes or that speeds up a chemical reaction while the substance itself remains unchanged?
catalyst
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What happens to an enzyme after a biochemical reaction?
After a biochemical reaction, the enzyme remains unchanged and is free to catalyze more reactions. Enzymes are not consumed in the reaction and can be used repeatedly, making them efficient catalysts.
What happens to an enzyme after it catalyzes a chemical reaction?
Enzymes are not used up in a chemical reaction. Usually, the enzyme will "reset" and be ready to use in another reaction. This is due to the fact that enzymes are proteins, and their shape is what they use in a chemical reaction. Initially, the enzyme has a particular shape. Something happens to the enzyme (usually a shape change, called a conformation change, brought on by the presence of two or more chemical reactants), and the enzyme catalyzes the reaction. After the reaction is catalyzed, the product is released, and the enzyme can "relax." This means it goes back to its normal shape, ready to do it all over again.
When does a chemical reaction reaches equilibrium?
equilibrium means the rate of forward reaction = rate of backward reaction... there are three types of equilibrium 1. amount of products > amount of reactants 2. amount of products = amount of reactants 3. amount of products < amount of reactants
Do most enzymes increase the activation energy of the reactions they catalyze?
No. A catalyst helps a reaction to occur but usually remains unchanged itself. Enzymes are catalysts that either remain unchanged or are returned to their original state by other biological reactions.
Does an organ transplant alter your DNA?
No, an organ transplant does not alter your DNA. The transplanted organ retains its original DNA, while the recipient's DNA remains unchanged.
What is the quantity of matter in a unit volume is called?
A substance that cause or speeds up a chemical reaction while the substance itself remains unchanged
What net effect does a chemical reaction have on a catalyst?
None: The catalyst remains unchanged, but the catalyst also speeds up the reaction.
Is the catalyst consumed in the reaction process?
In a chemical reaction, a catalyst is not consumed and remains unchanged at the end of the reaction process.
Why a catalyst is not considered a reactant or product in a chemical reaction?
If a substance is a reactant or product of a chemical reaction then, by definition, it cannot be a catalyst.
A catalyst is a compound?
A catalyst is not a compound but a substance that speeds up a chemical reaction without being consumed in the process. It remains unchanged at the end of the reaction and can be used repeatedly.
Is when it remains unchanged in the presence of nitrogen chemical or physical?
When a substance remains unchanged in the presence of nitrogen, it is likely due to its chemical inertness to nitrogen. This can be a result of the substance's molecular structure or its lack of reactivity with nitrogen molecules. Physical properties, such as solubility or vapor pressure, can also play a role in determining whether a substance remains unchanged in the presence of nitrogen.
Is catalyst a compound?
No, a catalyst is not a compound itself. A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It remains unchanged chemically at the end of the reaction.
What is a substance that enables a chemical reaction to proceed under different conditions?
A catalyst is a substance that enables a chemical reaction to proceed under different conditions. It lowers the activation energy required for the reaction to occur, allowing it to happen more quickly or at a lower temperature or pressure. The catalyst itself remains unchanged in the reaction and can be reused multiple times.
What does not appear in a net ionic equation because it remains unchanged in the chemical reaction?
Spectator Ions. YEA BUDDY!
What catalyst is used to speed up a reaction but is not used up in the reaction?
A catalyst is a substance that speeds up a chemical reaction by providing an alternative reaction pathway with lower activation energy. The catalyst itself is not consumed in the reaction and remains unchanged at the end.
What two things are unaffected in physical change?
The chemical composition is not changed.
A substance that speeds up a chemical reaction without undergoing a permanent change itself is?
A substance that speeds up a chemical reaction without undergoing a permanent change itself is called a catalyst. Catalysts work by providing an alternative pathway for the reaction to occur, thereby lowering the activation energy needed for the reaction to proceed. Once the reaction is complete, the catalyst remains unchanged and available to facilitate more reactions.
