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In terms of energy, how would you classify the following chemical reaction?
2Cu + O2 +315 KJ---> 2CuO A.endothermic
B.exothermic
C. both endothermic and exothermic
D. Neither endothermic nor exothermic

Respuesta :

gittt
it's exothermic because the KJ are on the reactants side and you get 2CuO on the products side, the energy is being released into its surroundings 
deadshot211
it's exothermic because the kg are on the reactants side and you get 2cuo

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