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

All answers ▸

ii) The maximum permitted sulfate concentration in water is 250mg dm^-3, 200cm^3 of aqueous BaCl2 is added to 300cm^3 of water at the maximum permitted sulfate level, and a white precipitate formed. Calculate the minimum conc. (mol dm^3)of the BaCl2


What chemical test can be used to differentiate between alkenes and alkanes. Describe and explain the results.


What is the difference in kinetics between a 0th, 1st and 2nd order reaction?


Explain why the trend in ionisation energy changes between group 5 and 6