 turovyuriy 
                                                20.06.2019 02:30
                                                
                                                turovyuriy 
                                                20.06.2019 02:30
                                             svetaЗОШ 
                                                20.06.2019 02:30
                                                
                                                svetaЗОШ 
                                                20.06.2019 02:30
                                             lemarakurtazhiv 
                                                24.10.2021 02:32
                                                
                                                lemarakurtazhiv 
                                                24.10.2021 02:32
                                             katmik04 
                                                24.10.2021 02:33
                                                
                                                katmik04 
                                                24.10.2021 02:33
                                             mrnikes2016 
                                                24.10.2021 02:37
                                                
                                                mrnikes2016 
                                                24.10.2021 02:37
                                             aleksandragapov 
                                                24.10.2021 02:38
                                                
                                                aleksandragapov 
                                                24.10.2021 02:38
                                             Аня34566 
                                                24.10.2021 02:38
                                                
                                                Аня34566 
                                                24.10.2021 02:38
                                             SuperMine 
                                                24.10.2021 02:42
                                                
                                                SuperMine 
                                                24.10.2021 02:42
                                            
HCOH +H2=CH3OH
CH3OH + HCl=CH3Cl+H2O
2CH3Cl+2Na=2NaCl+C2H6
C2H5OH + O2 = CH3COOH + H2O окисление в присутствии катализатора