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No, the opposite. The lower the activation barrier the faster the reaction goes. That is how a catalyst speeds up the reaction: by lowering the activation energy.

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16y ago
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13y ago

The activation energy has to be APPLIED in order for the reaction to take place, this is normally in the form of heat energy.

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9y ago

All reactions require activation energy.

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10y ago

yes

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13y ago

no.

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10y ago

T

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8y ago

Yes

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Q: Is Activation energy the minimum energy needed for a reaction to start?
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Related questions

The minimum amount of energy needed to start any reaction?

activation energy


What is the minimum amounth of energy required for a reaction occur?

The minimum amount of energy needed for a reaction to take place is called the activation energy.


The minimum amount of energy needed to start a chemical reaction is called?

The activation energy.


Free energy is the minimum energy necessary for product to form?

False, the minimum reaction energy needed for a reaction to form or take place is called the activation energy.


What does the activation energy for a reaction represent?

Activation energy is the amount of energy needed to start a 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).


True or false activation energy is needed only by chemical reactions that release energy?

true activation energy is the minimum amount of energy needed to start a chemical reaction


What it the term used to describe the energy needed to get a reaction started?

The energy needed to get a reaction started is called activation energy.


What is the minimum amount of energy needed to start a chemical reaction?

activation energy ( I know it is right because it is in my science book)


What does an enzyme do to the activation energy needed to start a chemical reaction?

Enzymes are catalysts, they reduce the activation energy.


What do chemists call the energy needed to get a reaction started?

The energy needed to start a chemical reaction is called the activation energy :)


What is the minimum amount of energy required for two substances to react?

The minimum amount of energy needed is called the "activiation energy". It varries depending on factors such as your reaction, temperature and several others.