activation energy

[Anika_Patel_1G]

If a reaction has a higher activation energy, does that mean that the reaction is necessarily slower? Or does it solely mean that it needs more energy?

[Bansi Amin 1D]

A high activation energy means that the reaction is going to be slower to occur. The reaction takes more energy to occur, and will thus have a slower rate.

[ConnorThomas2E]

When you have a high activation energy, that means you will need a significant amount of energy in order for the reaction to occur. Often times, because you need more energy for the reaction, this will result in the time needed for the reaction to be completed being longer.

[Timothy Kim 1B]

Generally, a higher activation energy will require more energy input, which will lead to a relatively slower reaction.

[AnuPanneerselvam1H]

A higher activation energy means there is a higher energy barrier for the reaction. This means more energy is needed for the reaction to proceed which will require a longer amount of time in most cases.