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Chemistry, 23.09.2019 11:20 schoolwannapass

In terms of energy, how would you classify the following chemical reaction?
2cu + o2 -> 2cuo + 315 kj
a. endothermic
b. exothermic
c. both endothermic and exothermic
d. neither endothermic nor exothermic
2. the total amount of energy before and after a chemical reaction is the same. thus, energy is
a. created
b. destroyed
c. conserved
d. the same as mass

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In terms of energy, how would you classify the following chemical reaction?
2cu + o2 -> 2...

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