Составить реакции на следующие химические элементы: 1)Zn+S=                                                                                                                                                     2)Li+S=                                                                                                                                                               3)S+F2=                                                                                                                                                        4)Mg+HCl =                                                                                                                                                             5)Ca+H3PO4=                                                                                                                                            6)  Zn+HNO3=                                                                                                                                  7)Fe2 O3 +HCl=                                                                                                                               8) Li2+H3PO4=

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Лерка Волкова
30-07-2016 09:18

Zn+S=ZnS2Li+S=Li2SS+3F2=SF6Mg+2HCl=MgCl2+H23Ca+2H3PO4=Ca3(PO4)2+3H2Zn+2HNO3=Zn(NO3)2+H2Fe2O3+6HCl=2FeCl3+3H2O6Li+2H3PO4=2Li3(PO4)+3H2

ДИЛЯ РЯБОВА
30-07-2016 11:05

4)Mg+2HCI>MgCL25)Ca+2H3PO4>CaPO4+3H26)Zn+2HNO3>Zn(NO3)2+3H27)Fe2O3+HCL>Fe(CL)3+H28)Li2+2H3PO4>Li2PO4+3H2

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