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        本题目来源于试卷:  What Drives Chemical Reactions D.3 Energy From Fuels ,类别为 IB化学 
[问答题]1.Write balanced chemical equatiek34zg5/u  adwons for the reactiouj*0yyc.xc7 w 82yw cyns below:
 
 1.1.Combustion of decane in excess of oxygen.
 1.2.Combustion of butane in a limited supply of oxygen.
 1.3.Complete combustion of ethanol.
 
 2.Specify the test and its result to identify the presence of a double bond in ethene ($C_2H_4$). Support your answer with a balanced chemical equation.
 
 3.Write an equation to show the polymerization of ethene and write the name of the polymer.
 
 
 
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