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Definition of activation energy in English: activation energynoun Chemistry The minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction. 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 energynoun Chemistry The minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction. 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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