Ответы и объяснения

2013-05-15T13:34:48+04:00

2HCOOH + MgCO3=(HCOO)2Mg +H2O+CO2

C2H5OH +2O2= 2CO2+3H2O

CH2-CH2 + H2O= C2H5OH

 

2013-05-15T13:41:38+04:00

2 HCOOH+MgCO3----(HCOO)2Mg+H2O+CO2

C2H5OH+3O2-------2CO2 + 3 H2O

C2H4+ H2O +(O)-------CH2 OH-CH2 OH