Ответ:
1) Ca CaO Ca(OH)2 CaCO3
2Са+О2 = 2СаО
CaO + H2O → Ca(OH)2
Ca(OH)2 + CO2 → CaCO3 + H2O
2) Al Al2O3 AlCl3 Al(OH)3
4Al+3O2 = 2Al2O3
Al2O3 + 6HCl → 2AlCl3 + 3H2O
AlCl3 + 3NaOH → Al(OH)3 + 3NaCl
3) Na NaH NaOH NaNO3
2Na + H2 = 2NaH
NaH + H2O = NaOH + H2↑
NaOH+HNO3 = NaNO3+H2O
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
1) Ca CaO Ca(OH)2 CaCO3
2Са+О2 = 2СаО
CaO + H2O → Ca(OH)2
Ca(OH)2 + CO2 → CaCO3 + H2O
2) Al Al2O3 AlCl3 Al(OH)3
4Al+3O2 = 2Al2O3
Al2O3 + 6HCl → 2AlCl3 + 3H2O
AlCl3 + 3NaOH → Al(OH)3 + 3NaCl
3) Na NaH NaOH NaNO3
2Na + H2 = 2NaH
NaH + H2O = NaOH + H2↑
NaOH+HNO3 = NaNO3+H2O