 патишка1 
                                                08.03.2019 18:50
                                                
                                                патишка1 
                                                08.03.2019 18:50
                                             Penb 
                                                08.03.2019 18:50
                                                
                                                Penb 
                                                08.03.2019 18:50
                                             rrrrrrrrtttttttttyyy 
                                                08.03.2019 18:50
                                                
                                                rrrrrrrrtttttttttyyy 
                                                08.03.2019 18:50
                                             aruzhan152 
                                                08.03.2019 18:40
                                                
                                                aruzhan152 
                                                08.03.2019 18:40
                                             291104 
                                                23.11.2020 07:22
                                                
                                                291104 
                                                23.11.2020 07:22
                                             danilasavap0a3nj 
                                                23.11.2020 07:22
                                                
                                                danilasavap0a3nj 
                                                23.11.2020 07:22
                                             NextHelp 
                                                23.11.2020 07:32
                                                
                                                NextHelp 
                                                23.11.2020 07:32
                                             ЮлияБогинская 
                                                23.11.2020 07:32
                                                
                                                ЮлияБогинская 
                                                23.11.2020 07:32
                                             bos002 
                                                23.11.2020 07:32
                                                
                                                bos002 
                                                23.11.2020 07:32
                                            
Ca+2H2O->C(OH)2+H2
Cu+Cl2->CuCl2
Li->Li2O->LiOh+Li2So4
4Li +O2 = 2Li2O
Li2O = H2O = 2LiOH
2LiOH + H2SO4 = Li2SO4 + 2H2O
Zn->ZnO->ZnSo4
2Zn + O2 = 2ZnO
ZnO + H2SO4 = ZnSO4 + H2O