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endothemic
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What is lowered to speed up a chemical reaction?
Activation energy is lowered to speed up a chemical reaction.
How does an enzyme help in a chemical reaction?
It speeds up the reaction by lowering activation energy.
What effect does a catalyst have?
A catalyst speeds up a chemical reaction by lowering the activation energy required for the reaction to occur. It does so by providing an alternative reaction pathway that requires less energy to initiate the reaction. The catalyst itself remains unchanged at the end of the reaction and can be used over and over again.
What function catalyst perform in chemical reaction?
A catalyst provides an alternative pathway with lower activation energy for a chemical reaction to occur. By lowering the energy barrier, a catalyst speeds up the reaction without being consumed itself. This results in an increase in the rate of the reaction.
Start up energy of a chemical reaction?
The activation energy is the minimum amount of energy required to initiate a chemical reaction. It helps to break the existing bonds in reactant molecules and start the formation of new bonds in the product molecules. Lowering the activation energy can increase the reaction rate.
Does the change of temperature will slow or faster the chemical reaction?
No, an increase in temperature will speed up the reaction. This is because the heat energy is transferred into kinetic energy (movement energy) in the reactors and this increases their speed and so increases the rate at which they collide with each other, increasing the rate of the chemical reaction.
Which of the following is not required in a chemical reaction?
An enzyme is not required in a chemical reaction. While reactants, energy, and a chemical reaction pathway are essential components of a chemical reaction, enzymes can speed up the reaction but are not always necessary for it to occur.
How do enzymes function speeding up in a chemical reaction?
Enzymes function by lowering the activation energy needed for a chemical reaction to occur, which speeds up the reaction. They achieve this by providing an alternative pathway for the reaction to proceed more easily. Enzymes do not get consumed in the reaction and can be used repeatedly.
By decreasing this you can speed up a chemical reaction?
Decreasing the activation energy can speed up a chemical reaction. This can be achieved by increasing temperature, using a catalyst, or altering the reaction conditions to favor the formation of products.
What does a catalyst do in a chemical reaction?
Reduces the activation energy of the reaction, which speeds up the progress of the reaction It increases the rate of a chemical reaction. However a true catalyst is not consumed in the reaction.
What does a catalyst do to the rate of a chemical reaction?
A catalyst is a substance that speeds up the rate of a chemical reaction without changing the substance. It does this by reducing the minimal reaction energy. A catalyst is not used up in a reaction therefore they last indefinitely.
Which statement best explains how enzymes speed up chemical reactions?
Enzymes speed up chemical reactions by lowering the activation energy needed for the reaction to occur. This allows the reaction to happen more quickly, as enzymes provide an alternative pathway with a lower energy barrier for the reaction to proceed. Ultimately, enzymes help substrates to reach the transition state more easily, facilitating the reaction.
