Ответы на вопрос:
Cac2+2h20=ca(oh)2+c2h2
C2h2+h2=c2h4
C2h4+h20=c2h5oh
C2h5oh+cuo=ch3cho+cu+h2o
Ch3cho+Ag2O=ch3cooh+2Ag
Ch3cooh+ch3oh=ch3cooch3+h20. .
рада
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