Definition of activation energy in English:

activation energy

noun

Chemistry

The minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
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Example sentencesExamples
- In addition, to cause a reaction the colliding reactant molecules must surpass a minimum energy termed the activation energy and, in many cases, the reactant molecules must have a certain spatial orientation with respect to each other.
- Chemical reactions require a minimum or threshold energy, called the activation energy.
- To get the reaction to proceed, either the activation energy must be supplied in the form of heat, or the activation energy must be lowered, using a catalyst.
- The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction.
- Since, as transition state theory posits, a chemical reaction requires a specific level of energy, known as the activation energy, every initiated reaction is not automatically completed.

Definition of activation energy in US English:

activation energy

noun

Chemistry

The minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
〔化〕活化能
Example sentencesExamples
- In addition, to cause a reaction the colliding reactant molecules must surpass a minimum energy termed the activation energy and, in many cases, the reactant molecules must have a certain spatial orientation with respect to each other.
- Chemical reactions require a minimum or threshold energy, called the activation energy.
- To get the reaction to proceed, either the activation energy must be supplied in the form of heat, or the activation energy must be lowered, using a catalyst.
- The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction.
- Since, as transition state theory posits, a chemical reaction requires a specific level of energy, known as the activation energy, every initiated reaction is not automatically completed.

单词	activation energy
释义	Definition of activation energy in English: activation energy noun Chemistry The minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction. 〔化〕活化能 Example sentencesExamples In addition, to cause a reaction the colliding reactant molecules must surpass a minimum energy termed the activation energy and, in many cases, the reactant molecules must have a certain spatial orientation with respect to each other. Chemical reactions require a minimum or threshold energy, called the activation energy. To get the reaction to proceed, either the activation energy must be supplied in the form of heat, or the activation energy must be lowered, using a catalyst. The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction. Since, as transition state theory posits, a chemical reaction requires a specific level of energy, known as the activation energy, every initiated reaction is not automatically completed. Definition of activation energy in US English: activation energy noun Chemistry The minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction. 〔化〕活化能 Example sentencesExamples In addition, to cause a reaction the colliding reactant molecules must surpass a minimum energy termed the activation energy and, in many cases, the reactant molecules must have a certain spatial orientation with respect to each other. Chemical reactions require a minimum or threshold energy, called the activation energy. To get the reaction to proceed, either the activation energy must be supplied in the form of heat, or the activation energy must be lowered, using a catalyst. The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction. Since, as transition state theory posits, a chemical reaction requires a specific level of energy, known as the activation energy, every initiated reaction is not automatically completed.
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