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Question 3 10 points The reaction 4Al (s)+302 (g) 2 Al203 (s) AH 851 k is and therefore heat is by the reaction. exothermic,
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Answer #1

ΔHo is negative for this reaction.

So, this is exothermic reaction.

In exothermic reaction, heat is released.

Answer: exothermic, released

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