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What is the energy profile of a chemical reaction including activation energy free energy change and transition state?
Wiki User
∙ 15y ago
These are all pictured here, it is describing the energy state for a reaction.
http://images.absoluteastronomy.com/images/encyclopediaimages/a/acactivation_energy.svg.png
Free energy refers to the Gibbs energy for a reaction, this is what tells us if the reaction will take place. It is defined as the difference of energy (y-axis) between the initial and final. In order for the reaction to be spontaneous, the final energy state must be lower than the initial.
Activation energy is the amount of energy that must be introduced into the system in order to begin the activation. On the graph, it is the peak. The graph does not have any transition species, but if did they would be denoted by other "hills" in the curve, between the activation and final states.
Wiki User
∙ 15y ago
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How does the catalyst and inhibitors affect the rate of chemical 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.
How does the additions of a catalyst affect the energy of activation of a chemical reaction?
A catalyst changes the reaction mechanism to one with a lower activation energy; activation energy is lowered when a catalyst is added
What does a catalyst reduce to a chemical reaction?
Adding a catalyst a chemical reaction can occur with a lower activation energy.
Start up energy of a chemical reaction?
Energy that starts a chemical reaction is called activation energy
To make a chemical reaction occur the activation energy is the energy that?
initiates the reaction
Energy is the energy needed to start a chemical reaction?
The energy needed to statr a chemical reaction is the 'Activation Energy' , which is given the symbol (Ea).
What is it called when energy is required to start a chemical reaction?
An exergonic reaction is activation energy (or energy of activation). An endergonic reaction is essentially the opposite of an exergonic reaction.
What does the activation energy for a reaction represent?
Activation energy is the amount of energy needed to start a reaction.
How does the catalyst and inhibitors affect the rate of chemical 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.
How do you use activation energy in a sentence?
Catalysts are said to reduce the energy of activation during the transition phase of a reaction.
Which statement best explains how enzymes speed up chemical reactions?
Enzymes lower the activation energy of a chemical reaction.
How does the additions of a catalyst affect the energy of activation of a chemical reaction?
A catalyst changes the reaction mechanism to one with a lower activation energy; activation energy is lowered when a catalyst is added
What activation energy is needed for a chemical reaction is decreased by?
The activation energy is decreased by a catalyst.
What is activation enery?
Activation energy is the amount of energy that a chemical reaction requires to occur.
What do we call the barrier to a chemical reaction?
The Activation Energy.
What is lowered to speed up a chemical reaction?
Activation energy is lowered to speed up a chemical reaction.
What does the amount of energy affect during a chemical reaction?
A chemical reaction need an activation energy to start.
