What is meant by 'activation energy' ?

This is the MINIMUM energy required for a reaction to work or to be activated. If this energy is not reached, the reaction in full does not happy. Imagine a game of basketball. If you do not shoot the ball high enogh, it will not be able to reach the basket, and therefore you cannot win the game.

YH

Related Chemistry A Level answers

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Consider the transition metal complex [CoCl3(CO)3]. What is a) The oxidation state of the metal centre. b) The dn configuration of the metal centre. c) The co-ordination number of the metal centre.


A compound, HOCH2CH2CH2CH2COCl, reacts with itself to give a new compound. Give the IUPAC name for the starting compound, draw the mechanism for the formation of the new compound and give the prominant feature of the IR spectrum of the new compound.


Why can endothermic reactions occur spontaneously if the entropy change is negative for a cooling process?


Which has a lower boiling point chlorine or bromine, and why?