Card 1 of 20
What must happen before a chemical reaction can occur?
A
Reacting particles must collide with each other.
B
The energy falls by 40 kJ overall.
C
The products are at a lower energy level than the reactants.
D
The particles have less than the activation energy, so they bounce apart.
Card 1 of 20
5.1.2 Reaction profiles Flashcards
20 flashcards on AQA GCSE Chemistry 5.1.2 Reaction profiles: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.