\(D,C_2H_4+3O_2\underrightarrow{t^o}2CO_2+2H_2O\left(n_{CO_2}:n_{H_2O}=2:2=1:1\right)\)
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\(D,C_2H_4+3O_2\underrightarrow{t^o}2CO_2+2H_2O\left(n_{CO_2}:n_{H_2O}=2:2=1:1\right)\)
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