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2 I + ZnCl2 = ZnI2 + Cl2
S4 + HNO3 = H2O + H2SO4 + NO2 =>
S4 + 24 HNO3 = 8 H2O + 4 H2SO4 + 24 NO2
KMnO4 + MnSO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
2 KMnO4 + 3 MnSO4 + 2 H2O = 5 MnO2 + K2SO4 + 2 H2SO4
HgS + C2 = Hg + CS2 =>
4 HgS + C2 = 4 Hg + 2 CS2
HCOH + [Cu(NH3)2]OH = Cu + CO2 + H2O + NH3 =>
HCOH + 4[Cu(NH3)2]OH = 4 Cu + CO2 + 3 H2O + 8 NH3
NaCO3 + Pb(NO3) = PbCO3 + NaNO3 =>
NaCO3 + Pb(NO3) = PbCO3 + NaNO3
NH4OH + MgI2 = NH4I + Mg(OH)2 =>
2 NH4OH + MgI2 = 2 NH4I + Mg(OH)2
HS + CO(OH)3 = COS3 + H2O =>
3 HS + CO(OH)3 = COS3 + 3 H2O
Ca2 + O2 = CaO3 =>
Ca2 + 3 O2 = 2 CaO3
FeO2 + HCl = FeCl2 + Cl2 + H2O =>
FeO2 + 4 HCl = FeCl2 + Cl2 + 2 H2O
Ca(ClO)2 + NaI + H2SO4 = I2 + CaCl2 + H2O + Na2SO4 =>
Ca(ClO)2 + 4 NaI + 2 H2SO4 = 2 I2 + CaCl2 + 2 H2O + 2 Na2SO4
ZnSO4 + NH3 = Zn(NH3)4 + (NH4)2SO4 + NH =>
ZnSO4 + 7 NH3 = Zn(NH3)4 + (NH4)2SO4 + NH
KMnClO3 + HCl = KCl + MnCl2 + Cl2 + H2O =>
KMnClO3 + 6 HCl = KCl + MnCl2 + 2 Cl2 + 3 H2O
Fe(s) + H2O(s) = H2(g) + Fe3O4(s) =>
3 Fe(s) + 4 H2O(s) = 4 H2(g) + Fe3O4(s)
Cu2SO4 + Na3PO4 = Cu3PO4 + Na2SO4 =>
3 Cu2SO4 + 2 Na3PO4 = 2 Cu3PO4 + 3 Na2SO4
Na2O = Na + O =>
Na2O = 2 Na + O
MnO4{-} + NO2{-} + H{+} = Mn{2+} + H2O + NO3{-} =>
2 MnO4{-} + 5 NO2{-} + 6 H{+} = 2 Mn{2+} + 3 H2O + 5 NO3{-}
FeCl3 + CoCl2 = Fe2Co3 + Cl12 =>
2 FeCl3 + 3 CoCl2 = Fe2Co3 + Cl12
H2SeO3 + NH4OH = NH3SeO2 + H2O =>
H2SeO3 + NH4OH = NH3SeO2 + 2 H2O
AgF + Na2SO4 = Ag2SO4 + NaF =>
2 AgF + Na2SO4 = Ag2SO4 + 2 NaF
NaNO3(aq) + KOH(aq) = KNO3(aq) + NaOH(s) =>
NaNO3(aq) + KOH(aq) = KNO3(aq) + NaOH(s)
Zn(s) + Ag(No3)(aq) = Ag(s) + Zn(No3)2(aq) =>
Zn(s) + 2 Ag(No3)(aq) = 2 Ag(s) + Zn(No3)2(aq)
(NH4)2SO4(aq) + Hg2Br = NH4Br + (Hg2)2SO4 =>
(NH4)2SO4(aq) + 2 Hg2Br = 2 NH4Br + (Hg2)2SO4
Zn(NO3)2 + Na2CO3(aq) = ZnCO3(s) + NaNO3(aq) =>
Zn(NO3)2 + Na2CO3(aq) = ZnCO3(s) + 2 NaNO3(aq)
TiOCl2 + Mg + HCl = MgCl2 + TiCl3 + H2O =>
2 TiOCl2 + Mg + 4 HCl = MgCl2 + 2 TiCl3 + 2 H2O
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
(NH4)2C2O4 + CaCl2 = CaC2O4 + NH4Cl =>
(NH4)2C2O4 + CaCl2 = CaC2O4 + 2 NH4Cl
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
Na2S + Co(NO3)2 = CoS + NaNO3 =>
Na2S + Co(NO3)2 = CoS + 2 NaNO3
CaO + HCl = CaCl + H2O + O2 =>
4 CaO + 4 HCl = 4 CaCl + 2 H2O + O2
Cu + H(NO3) = Cu(NO3)2 + H2 =>
Cu + 2 H(NO3) = Cu(NO3)2 + H2
Na + CO3 + H2O = H2CO3 + NaOH =>
2 Na + CO3 + 2 H2O = H2CO3 + 2 NaOH
Ba(NO3)2 + FeSO4 = Fe(NO3)2 + Ba(SO4) =>
Ba(NO3)2 + FeSO4 = Fe(NO3)2 + Ba(SO4)
Ba + CH3COOH = Ba(CH3COO)2 + H2 =>
Ba + 2 CH3COOH = Ba(CH3COO)2 + H2
Li(OH) + CO2 = Li2CO3 + H2O =>
2 Li(OH) + CO2 = Li2CO3 + H2O
Sr + N2 = Sr3N4 =>
3 Sr + 2 N2 = Sr3N4
N2 + P = NP =>
N2 + 2 P = 2 NP
ZnO + CO = ZnCO2 =>
ZnO + CO = ZnCO2
CuOH + HPO3 = CuPO3 + H2O =>
CuOH + HPO3 = CuPO3 + H2O
Ag + BP = AgP3 + B2 =>
2 Ag + 6 BP = 2 AgP3 + 3 B2
Fe2O + C = Fe3C + CO =>
3 Fe2O + 5 C = 2 Fe3C + 3 CO
Na + Fe2O3 = Na2O3 + Fe =>
2 Na + Fe2O3 = Na2O3 + 2 Fe
Al(s) = Al{2+} + {2-} =>
Al(s) = Al{2+} + {2-}
Na + Fe2O3 = Na2O3 + Fe =>
2 Na + Fe2O3 = Na2O3 + 2 Fe
MnO2 + KOH + S = KMnO4 + K2S + H2O =>
2 MnO2 + 8 KOH + 3 S = 2 KMnO4 + 3 K2S + 4 H2O
HClO + NO + H2O = HCl + HNO3 =>
3 HClO + 2 NO + H2O = 3 HCl + 2 HNO3
Cu(NO3)2 + Fe(NO3)3 = Cu(NO3)3 + Fe(NO3)2 =>
Cu(NO3)2 + Fe(NO3)3 = Cu(NO3)3 + Fe(NO3)2
NiCl2 + Ag = NiAg + Cl =>
NiCl2 + Ag = NiAg + 2 Cl
Na + KNO3 = KO + Na2O + N2 =>
8 Na + 2 KNO3 = 2 KO + 4 Na2O + N2
Na + Mg = Na2Mg3 =>
2 Na + 3 Mg = Na2Mg3
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