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August 2022
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I помогите по химии напишите уравнение реакций H2->HBr->KBr->Br2->ZnBr2->AgBr
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Дедище
H2
+ Br
2
= 2HBr
14HBr (конц.) + K2Cr2O7
= 2CrBr
3
+ 3Br
2
+ 7H
2
O + 2KBr
2KBr + Cl2
= 2KCl + Br
2
↑
Zn + Br2
= ZnBr
2
ZnBr2 = Zn + Br
2
2Ag + Br2
= 2AgBr
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Answers & Comments
14HBr (конц.) + K2Cr2O7 = 2CrBr3 + 3Br2 + 7H2O + 2KBr
2KBr + Cl2 = 2KCl + Br2↑
Zn + Br2 = ZnBr2
ZnBr2 = Zn + Br2
2Ag + Br2 = 2AgBr