Respuesta :
Answer:
Explanation:
exothermic reactions are the reactions which involve the release of energy.
the energy released can be of any forms ,for example heat,light .
all the combustion reactions are exothermic reactions
Answer:
Answer is A. CH4 + 2O2 Right arrow. CO2 + 2H2O + 891 kJ
Explanation:
Because i just got it right on edg :)