Aluminum metal reacts with oxygen gas in a combination reaction that forms a product that coat the metal preventing it from further oxidation. Which of the following is the correct balanced equation for the reaction?
a. Al(s) + 302(g) β 2903(s).
b. 2Al(s) + O2(g) β 2A10(s).
c. AI(s) + O2(g) β AIO (s).
d. 4Al(s) + 3O2(g) β2Al2O3.
e. 3Al(s) + O2 β Al3O2.
Answers: 3
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