Activation energy is

the heat released in a reaction

the energy barrier between reactants and products

the energy given off when reactants collide***

generally very high for a reaction that takes place rapidly

6 answers

I meant to mark B as my answer sorry
B is correct
1 b
2 c
3 c
4 c
5 d
6 c
7 b
8 c
9 b
all of these were correct except 3, 3 was A: More H2CO3 is produced
3 is a but everything else is right
1 b
2 c
3 a
4 c
5 d
6 c
7 b
8 c
9 b

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