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[" When a certain amount of ethylene was combusted,"5644kJ" heat was evolved.If heat of combus "],[" ethylene is "1411kJ" ,the volume of "O_(2)(atNTP)" that entered into the reaction is: "],[[" (A) "268.8ml," (B) "268.8L," (C) "6226times22.4L," (D) "22.4L]]

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