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[" 9.The standard heat of combustion of ...

[" 9.The standard heat of combustion of Alis "-837.8kJ" molt at "],[25^(@)C" .If Al reacts with "O_(2)" at "25^(@)C" ,which of the following "],[" release "250kJ" of heat? "],[" a.The reaction of "0.624mol" of "Al_(2)O_(3)],[" b.The formation cf "0.624mol" of "Al_(2)O_(3)],[" c.The reaction of "0.312mol" of "Al],[" d.The formation of "0.150mol" of "Al_(2)O_(3)]

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