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Practice problem

Energy in Chemical Reactions — Role & Overview

By Jasper Brown
A reaction energy diagram wherein the reactants are at a lower energy than the activation energy, but a higher energy than the products.

Image source: By Brazosport College CC BY 2.0, via Wikimedia Commons

The activation energy of a reaction is typically not the same forward as backward. Which direction has the higher activation energy in the diagram above?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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