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4Al(s) + 3O2(g) → 2Al2O3(s) + energy This reaction is an _________ reaction. Heat is _________ by the reaction.

4Al(s) + 3O2(g) → 2Al2O3(s) + energy This reaction is an _________ reaction. Heat is _________ by the reaction.
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4Al(s) + 3O2(g) → 2Al2O3(s) + energy

This reaction is an _________ reaction. Heat is _________ by the reaction.

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User Aamir Shah
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Answer:

This reaction is an exothermic reaction. Heat is released by the reaction.

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User Jack Collins
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