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3 Pb(NO3)2 + 2 NO + 4 H2O = 3 Pb + 8 HNO3
K2S + Cu(NO3)2 = KNO3 + CuS =>
K2S + Cu(NO3)2 = 2 KNO3 + CuS
NaOH + HCH3COO = HOH + NaCH3COO =>
NaOH + HCH3COO = HOH + NaCH3COO
(NH4)3PO4(aq) + BaS(aq) = (NH4)2S + Ba3(PO4)2 =>
2(NH4)3PO4(aq) + 3 BaS(aq) = 3(NH4)2S + Ba3(PO4)2
CdO + Mg = MgO + Cd =>
CdO + Mg = MgO + Cd
Ca(OH)2 + CaBr2 = Ca(OH)Br =>
Ca(OH)2 + CaBr2 = 2 Ca(OH)Br
FeS + ZnO = Zn + Fe2O3 + SO2 =>
2 FeS + 7 ZnO = 7 Zn + Fe2O3 + 2 SO2
KMnO4 + C2H2O4 + H2SO4 = CO2 + H2O + MnSO4 + KSO4 =>
KMnO4 + 2 C2H2O4 + 2 H2SO4 = 4 CO2 + 4 H2O + MnSO4 + KSO4
CH2O2 + C2H5OH = HCOOC2H5 + H2O =>
CH2O2 + C2H5OH = HCOOC2H5 + H2O
CuCl2(aq) + KNO3(aq) = Cu(NO3)2 + KCl =>
CuCl2(aq) + 2 KNO3(aq) = Cu(NO3)2 + 2 KCl
C2H4Cl2 + NH3 = C2H8N2 + HCl =>
C2H4Cl2 + 2 NH3 = C2H8N2 + 2 HCl
HC2O4{-} + HS{-} = S{2-} + H2C2O4 =>
HC2O4{-} + HS{-} = S{2-} + H2C2O4
B + H3 = BH3 =>
B + H3 = BH3
NH4Cl + Na2CO3 = (NH4)4(CO3)2 + NaCl =>
4 NH4Cl + 2 Na2CO3 = (NH4)4(CO3)2 + 4 NaCl
CH3CH2COOH + Al(OH)3 = (CH3CH2COO)3Al + H2O =>
3 CH3CH2COOH + Al(OH)3 = (CH3CH2COO)3Al + 3 H2O
MeO + H2O = Me(OH)2 =>
MeO + H2O = Me(OH)2
Zn + NiCO3 = ZnCO3 + Ni =>
Zn + NiCO3 = ZnCO3 + Ni
Br2 + PbO2 = PbBr4 + O2 =>
2 Br2 + PbO2 = PbBr4 + O2
Si + HF(r) = SiF4 + H2 =>
Si + 4 HF(r) = SiF4 + 2 H2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
KMnO4 + C2H2O4 + H2SO4 = CO2 + H2O + MnSO4 + KSO4 =>
KMnO4 + 2 C2H2O4 + 2 H2SO4 = 4 CO2 + 4 H2O + MnSO4 + KSO4
CH3CO2H + OH{-} = CH3CO2{-} + H2O =>
CH3CO2H + OH{-} = CH3CO2{-} + H2O
MnSO4 + Na2S2O3 + H2O = MnS2 + NaOH + SO2 =>
MnSO4 + 3 Na2S2O3 + 3 H2O = MnS2 + 6 NaOH + 5 SO2
Li(OH) + SO3 = Li2SO4 + H2O =>
2 Li(OH) + SO3 = Li2SO4 + H2O
H{+} + NO3{-} + S{-2} = NO + S + H2O =>
8 H{+} + 2 NO3{-} + 3 S{-2} = 2 NO + 3 S + 4 H2O
CuSO4 + H2O = SO4(CuOH)2 + H2SO4 =>
2 CuSO4 + 2 H2O = SO4(CuOH)2 + H2SO4
KBr + KI + CHCl3 = KCl + ICH + KIBr =>
2 KBr + 3 KI + CHCl3 = 3 KCl + ICH + 2 KIBr
NO3{-} + OH{-} + Al + H2O = NH3 + [Al(OH)4]{-} =>
3 NO3{-} + 5 OH{-} + 8 Al + 18 H2O = 3 NH3 + 8[Al(OH)4]{-}
SO3 + NO2 = SO4 + N2 =>
4 SO3 + 2 NO2 = 4 SO4 + N2
Ca(C2H3O2)2 + K2SO4 = CaSO4 + K(C2H3O2) =>
Ca(C2H3O2)2 + K2SO4 = CaSO4 + 2 K(C2H3O2)
Al + (NH4)2S = AlNH3 + H2S =>
2 Al + (NH4)2S = 2 AlNH3 + H2S
AlCl3 + NH3 + H2O = Al(OH)3 + NH4Cl =>
AlCl3 + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4Cl
Zn + CuSO4 + HCl = ZnSO4 + HClCu =>
Zn + CuSO4 + HCl = ZnSO4 + HClCu
CaB6 + Ca2Au3 = Ca2AuB6 + B =>
4 CaB6 + Ca2Au3 = 3 Ca2AuB6 + 6 B
MnSO4 + HBr = MnBr + HSO4 =>
MnSO4 + HBr = MnBr + HSO4
Fe + HCl + H2O2 = Fe2Cl3 + H2O =>
4 Fe + 6 HCl + 3 H2O2 = 2 Fe2Cl3 + 6 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
FeS + KClO3 = Fe2O3 + KCl + SO2 =>
6 FeS + 7 KClO3 = 3 Fe2O3 + 7 KCl + 6 SO2
C6H5NH2 + HCOOH = C6H5NHCOH + H2O =>
C6H5NH2 + HCOOH = C6H5NHCOH + H2O
[P(CH2OH)4]2SO4 + NaOH = P(CH2OH)3 + H2O + H2CO + Na2SO4 =>
[P(CH2OH)4]2SO4 + 2 NaOH = 2 P(CH2OH)3 + 2 H2O + 2 H2CO + Na2SO4
Mn(OH)2(s) = MnO(s) + H2O(g) =>
Mn(OH)2(s) = MnO(s) + H2O(g)
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
KAlO2 + CO2 = Al2O3 + K2CO3 =>
2 KAlO2 + CO2 = Al2O3 + K2CO3
CaCl2 + NaH(CO3) + H2O = NaCl + Ca(OH)2 + H2(CO3) =>
CaCl2 + 2 NaH(CO3) + 2 H2O = 2 NaCl + Ca(OH)2 + 2 H2(CO3)
Ca(CH3COO)2 + Na3PO4 = Ca3(PO4)2 + CH3COONa =>
3 Ca(CH3COO)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 CH3COONa
Al + I1 = AlI3 =>
Al + 3 I1 = AlI3
Fe2(Co3)3 + NaOH = Fe(OH)3 + Na2Co3 =>
Fe2(Co3)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2Co3
CH3COCH3 + KMnO4 + NaOH = K + Na + Mn(OH)3 + CH3COOCH3 =>
4 CH3COCH3 + KMnO4 + 3 NaOH = K + 3 Na + Mn(OH)3 + 4 CH3COOCH3
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Cu{+} = Cu{2+} + Cu =>
2 Cu{+} = Cu{2+} + Cu
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