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2NaOH + Cu(NO3)2 -> Cu(OH)2 + 2NaNO3
AgNO3 + HCl -> AgCl + HNO3
K2SO4 + Ba(NO3)2 -> BaSO4 + 2KNO3
Mg + H2SO4 -> MgSO4 + H2
3Fenóng đỏ +2O2\(\rightarrow\)Fe3O4
Fe3O4+ 8HCl →FeCl2+2FeCl3 +4H2O
FeCl2 + 2NaOH →→Fe(OH)2+2NaCl
FeCl3 + 3NaOH →Fe(OH)3+3NaCl
4Fe(OH)2 + O2 +H2O → 4Fe(OH)3
2Fe(OH) \(\underrightarrow{to}\) Fe2O3+3H2O
CaO+H2O---->Ca(OH)2
Pt2 ko ổn lw
Na2CO3+2HCl----->2NaCl+H2O+CO2
2NaCl+H2SO4---->Na2SO4+2HCl
Na2SO4+BaCl2---->2NaCl+BaSO4
2NaCl+2H2O---->Cl2+H2+2NaOH
NaOH+HCl----->NaCl+H2O
2NaCl+H2SO4---->Na2SO4+2HCl
a. Al2O3+ 3H2SO4 ---> Al2(SO4)3 + 3H2O
b. 2Fe(NO3)3 + 3Ba(OH)2 --->2Fe(OH)3 + 3Ba(NO3)2
c. 3Ca(NO3)2 + 2K3PO4 ---> Ca3(PO4)2 + 6KNO3
d. Ca(HCO3)2 + 2HCl ---> CaCl2 + 2CO2 + 2H2O
a, Al2O3+3H2SO4--->Al2(SO4)3+3H2O
b, 2Fe(NO3)3+3Ba(OH)2--->2Fe(OH)3+3Ba(NO3)2
c, 3Ca(NO3)2+2K3PO4--->Ca3(PO4)2+6KNO3
d, Ca(HCO3)2+2HCl--->CaCl2+2CO2+2H2O
a(1),fe+2hcl->fecl2+h2 (2) fecl2+ba(oh)2->fe(oh)2+bacl2 (3)fe(oh)2+h2so4->feso4+2h20 (4)feso4+bacl2->fecl2+baso4
b.(1)2fe+3cl2->2fecl3 (2)2fecl3+3ba(oh)2->2fe(oh)3+3bacl2 (3)2fe(oh)3+o2->fe2o3+h2o (4)fe2o3+3co->2fe+3co2
a) CaCO3\(\rightarrow\)CaO(A)+CO2(P)
CaO+H2O(B)\(\rightarrow\)Ca(OH)2(C)
Ca(OH)2+2HCl(D)\(\rightarrow\)CaCl2(E)+2H2O
CaCl2+K2CO3(F)\(\rightarrow\)CaCO3+2KCl
CO2+NaOH(X)\(\rightarrow\)NaHCO3(Q)
2NaHCO3+2KOH(Y)\(\rightarrow\)Na2CO3+K2CO3(R)+2H2O
K2CO3+Ca(NO3)2(Z)\(\rightarrow\)CaCO3+2KNO3
\(\left(1\right)C_3H_8\rightarrow CH_4+C_2H_4\left(đk:t^o\right)\)
\(\left(2\right)CH_4+Cl_2\rightarrow CH_3Cl+HCl\left(đk:as\right)\)
\(\left(3\right)CH_3Cl+NaOH\rightarrow CH_3OH+NaCl\left(đk:t^o\right)\)
\(\left(4\right)CH_3OH+CuO\rightarrow HCHO+Cu+H_2O\left(đk:t^o\right)\)
\(\left(5\right)HCHO+\dfrac{1}{2}O_2\rightarrow HCOOH\left(đk:xtMnO_2\right)\)
\(\left(6\right)HCOOH+2\left(Ag\left(NH_3\right)_2\right)OH\rightarrow\left(NH_4\right)_2CO_3+2Ag\downarrow+2H_2O+2NH_3\uparrow\)
\(\left(7\right)\left(NH_4\right)_2CO_3+2HCl\rightarrow2NH_4Cl+H_2O+CO_2\uparrow\)
\(\left(8\right)\left(NH_4\right)_2CO_3+2NaOH\rightarrow Na_2CO_3+2NH_3\uparrow+H_2O\)
@Rainbow