Answer:
c. they carry energy is the answer
As you can see in the picture we have +ΔH so that means for this reaction we need to GET heat. so the answer is A. endothermic :))
i hope this is helpful
have a nice day
Answer:
Mohamed Osama El Sayed El kordy
Answer:
So, when bromine comes near the ethylene pi bond, it <u><em>attacks the electron and grabs it</em></u>, but the second bromine steals it away and departs as Br-. After all, bromine is more electronegative than carbon; the first bromine is just a link in the chain of events that allows the second bromine to escape with an electron.
it's the first one. the one with ox in it