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nikitasandarov
@nikitasandarov
July 2022
2
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Помогите плиз.Напишите уравнения реакций при помощи которых можно осуществить превращения
Ca-CaO-Ca(OH)2-CaCl
Zn-ZnCl2-Zn(OH)2-ZnO
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Answers & Comments
kostuaosadchuk
2Ca+O2=2CaO
CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl=CaCl2+2H2O
Zn+2HCl=ZnCl2+H2
ZnCl2+2NaOH=Zn(OH)2+2NaCl
Zn(OH)2=ZnO+H2O
1 votes
Thanks 3
gematit0802
2Ca+O2=2CaO
CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl=CaCl2+2H2O
Zn+2HCl=ZnCl2+H2
ZnCl2+2NaOH=Zn(OH)2+2NaCl
Zn(OH)2=ZnO+H2O
2 votes
Thanks 1
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Answers & Comments
CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl=CaCl2+2H2O
Zn+2HCl=ZnCl2+H2
ZnCl2+2NaOH=Zn(OH)2+2NaCl
Zn(OH)2=ZnO+H2O
CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl=CaCl2+2H2O
Zn+2HCl=ZnCl2+H2
ZnCl2+2NaOH=Zn(OH)2+2NaCl
Zn(OH)2=ZnO+H2O