The most effective way to increase the rate of reaction is to increase the temperature. This is effective up to a certain temperature (depending on the specific reaction and enzyme). Above that point the reaction may slow down (drastically) or stop entirely. Note that enzymes speed up a chemical reaction by physically binding with a substrate (or substrates) and causing the appropriate change (breaking apart a large molecule into two or more pieces, combining two substrates into one molecule, etc.) A substrate is a material (chemical, element, compound, whatever) that is undergoing a reaction. It is changed by the reaction. If the materials that are reacting are heated past an enzyme's tolerance, the enzyme undergoes what is known as "denaturation." This means that the molecule physically alters, losing the specific shape that allows it to function as an enzyme. As a reminder, heat is defined as random kinetic energy. That is, heat causes atoms, molecules, proteins, etc. to move around in a random fashion. Heat can speed up a reaction because it moves around the substrate and enzyme molecules faster, allowing them to "bump into" each other more often. By the same token, this random movement will, if great enough, shake up a molecule so much that molecule falls apart or alters in some way. High heat denatures the molecule. Another technique is to increase the amount of substrate and/or enzyme. Increasing the substrate or enzyme increases the rate of reaction because the two materials will bump into each other more quickly and frequently.
One way to increase the activity of an enzyme is to alter the temperature, to bring it nearer to the optimum for that enzyme.
Another is to adjust the pH, likewise to approach the optimum.
If there is very little of the enzyme present, increasing the enzyme concentration will also accelerate the overall process.
Take for instance you have added an irreversible inhibitor to a sample of enzyme and substrate, the reaction will stop completely. thus the enzyme is inactive at this point the way to regain the activity of this enzyme is to add new enzyme. Because they bind directly to the active site by covalent bonds, irreversibleinhibitors permanently render an enzyme inactive. Some drugs are irreversible inhibitors, including the antibiotic penicillin (which inhibits an enzyme involved in bacterial cell-wall synthesis) and aspirin (which inhibits cyclooxygenase-2, the enzyme involved in the inflammatory reaction).
Enzymes have temperature and pH range in which they function optimally.
If you change the temperature and pH so that they are at the optimal point - this will speed up the enzyme's activity.
First by latching onto the specific pair of substrate molecules that all, each, any and every enzyme is attuned to, it brings them into close proximity thereby lowering the Activation Energy of the chemical reaction involved below its 'usual' level.
In the Cell, enzymes provide 100% yield while reacting, this means that there are no useless by-products to clog 'things' up, and this alone speeds up all of the other cellular activities.
By altering the temperature to bring the enzyme closer to it's optimal temperature. Also, by altering the pH to bring the enzyme closer to it's optimal pH.
Heating increases the rate as does adding a catalyst.
Catalyst ensures that the activation energy of the molecules is lowered so there is effective collisions,and it does this in two ways;the transition and absorbtion states but inibitors even raises the activation energy and causes in effective collisions.
Catalysts are never consumed in the reaction. that's what makes them catalyst! not a reactant. they increase the rate of reaction by lowering the activation energy for the reaction. One of the ways to do this by providing an alternative route for the reaction to follow.
Increasing the temperature of the reaction will always increase the rate, though the actual yield will depend on whether the reaction is exothermic or endothermic. Increasing the pressure of the... Read More
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A catalyst affects a reaction by speeding it up. A catalyst, remember, does not participate as a reactant or product in the reaction. It facilitates the reaction by lowering its activation energy, making the reaction easier to happen.
1. Increase the temp 2. Increase surface area 3. Increase the pressure of the system
There are three ways to increase the rate of a chemical reaction. One way is to increase the temperature of the reaction, which increases the rate of molecular collision. Another option is to add a catalyst to the reaction which chemically enables the rate of reaction. Lastly, increase the pressure in the reaction area, which increases the rate of molecular collisions.
There are several ways that the rate of reaction may be increased. Some of the more common ways areincrease temperatureincrease surface area (grind or powder the reactants)use a catalystagitate/stir the reaction mixture
The 2 ways to increase chemical reaction rate are applying heat or a catalyst. So it is A : Applying heat. ;)
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There are numerous ways to affect the speed of a chemical reaction. They are add a catalyst, increase the concentration of reactants, increase surface area of reactants, increase pressure, and increase the energy in the environment around the reaction.
Catalyst ensures that the activation energy of the molecules is lowered so there is effective collisions,and it does this in two ways;the transition and absorbtion states but inibitors even raises the activation energy and causes in effective collisions.
Catalysts are never consumed in the reaction. that's what makes them catalyst! not a reactant. they increase the rate of reaction by lowering the activation energy for the reaction. One of the ways to do this by providing an alternative route for the reaction to follow.
Increasing the temperature of the reaction will always increase the rate, though the actual yield will depend on whether the reaction is exothermic or endothermic. Increasing the pressure of the... Read More
The reaction rate is dependet on temperature, pressure and reactants concentration.
1) Add a catalyst 2) Add heat 3) Stir 4) Mix 5) Surface area of the reactant
I'm not sure exactly. Essentially, a chemical reaction is the result of collisions between molecules. If the collision is strong enough, it can break the chemical bonds in the reactants, resulting in a rearrangement of the atoms to form products. The more MOLECULES included, will speed up the reaction, so, the less used, means it should go slower. That's one. Another is heat. Heat is a way of causing a collision to speed, so, again, going opposite, if you COOL the chemicals, they should react slower. The third would be to "Block" the chemicals from eachother. This, is linked to the first one. They will have to "find a way" through the object, in order to react, this will be a slow process, meaning less Molecules are colliding, slowing the reaction. ~HellsBaran Any questions please EMail me at: Vistekis@yahoo.com. Thankyou.