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діана1789
@діана1789
March 2022
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поомоогиитеее поожаалууйсстаа!!!
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Student1111111111
2Cu+O2=2CuO
CuO+2HCl=CuCl2+H2O
CuCl2+2NaOH=Cu(OH)2+2NaCl
Cu(OH)2=CuO+H2O
CuO+H2=Cu+H2O
4Na+O2=2Na2O
2Na+2H2O=2NaOH+H2
2NaOH+H2SO4=Na2SO4+2H2O
Na2SO4+2AgNO3=2NaNO3+Ag2SO4(осадок)
2NaNO3+H2SO4=Na2SO4+2HNO3
4Al+3O2=2Al2O3
Al2O3+6HNO3=2Al(NO3)3+3H2O
Al(NO3)3+3NaOH=Al(OH)3+3NaNO3
2Al(OH)3=Al2O3+3H2O
Al2O3+2NaOH=NaAlO2+H2O
NaAlO2+4HCl=NaCl+AlCl3+2H2O
S+O2=SO2
2SO2+O2=k;kt=2SO3
SO3+H2O=H2SO4
Zn+H2SO4=ZnSO4+H2(газ)
ZnSO4+2NaOH=Zn(OH)2(осадок)+Na2SO4
Zn(OH)2=t=ZnO+H2O
ZnO+2NaOH=Na2ZnO2+H2O
2Mg+O2=2MgO
MgO+2HCl=MgCl2+H2O
MgCl2+2NaOH=Mg(OH)2(осадок)+2NaCl
Mg(OH)2+H2SO4=MgSO4+2H2O
MgSO4+BaCl2=MgCl2+BaSO4(осадок)
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Answers & Comments
CuO+2HCl=CuCl2+H2O
CuCl2+2NaOH=Cu(OH)2+2NaCl
Cu(OH)2=CuO+H2O
CuO+H2=Cu+H2O
4Na+O2=2Na2O
2Na+2H2O=2NaOH+H2
2NaOH+H2SO4=Na2SO4+2H2O
Na2SO4+2AgNO3=2NaNO3+Ag2SO4(осадок)
2NaNO3+H2SO4=Na2SO4+2HNO3
4Al+3O2=2Al2O3
Al2O3+6HNO3=2Al(NO3)3+3H2O
Al(NO3)3+3NaOH=Al(OH)3+3NaNO3
2Al(OH)3=Al2O3+3H2O
Al2O3+2NaOH=NaAlO2+H2O
NaAlO2+4HCl=NaCl+AlCl3+2H2O
S+O2=SO2
2SO2+O2=k;kt=2SO3
SO3+H2O=H2SO4
Zn+H2SO4=ZnSO4+H2(газ)
ZnSO4+2NaOH=Zn(OH)2(осадок)+Na2SO4
Zn(OH)2=t=ZnO+H2O
ZnO+2NaOH=Na2ZnO2+H2O
2Mg+O2=2MgO
MgO+2HCl=MgCl2+H2O
MgCl2+2NaOH=Mg(OH)2(осадок)+2NaCl
Mg(OH)2+H2SO4=MgSO4+2H2O
MgSO4+BaCl2=MgCl2+BaSO4(осадок)