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H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HCOH + Ag2O = HCOOH + Ag2 =>
HCOH + Ag2O = HCOOH + Ag2
Ga2O3 + Al = Al2O3 + Ga =>
Ga2O3 + 2 Al = Al2O3 + 2 Ga
ZnO + HNO3 = Zn(NO3)2H2O =>
ZnO + 2 HNO3 = Zn(NO3)2H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
NH4Cl + Co2 = CoCl2 + NH4 =>
4 NH4Cl + Co2 = 2 CoCl2 + 4 NH4
CuSO4 + NaHCO3 = Na2SO4 + Cu(HCO3)2 =>
CuSO4 + 2 NaHCO3 = Na2SO4 + Cu(HCO3)2
HCl + CuCl = HCuCl2 =>
HCl + CuCl = HCuCl2
KI + C6H10O5 = K + C6H10O5I =>
KI + C6H10O5 = K + C6H10O5I
N2 + H2 = HN3 =>
3 N2 + H2 = 2 HN3
BaCl2 + Fe2(SO4)3 = BaSO4 + FeCl3 =>
3 BaCl2 + Fe2(SO4)3 = 3 BaSO4 + 2 FeCl3
Cr2O3 + Br2 = BrO + Cr =>
2 Cr2O3 + 3 Br2 = 6 BrO + 4 Cr
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
NH3 + Na2CO3 = Na(NH3) + CO3 =>
2 NH3 + Na2CO3 = 2 Na(NH3) + CO3
Al2(SO4)3 + KBr = AlBr + K2(SO4)3 =>
Al2(SO4)3 + 2 KBr = 2 AlBr + K2(SO4)3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
[NiOH]2SO4 + HCl = NiSO4 + NiCl2 + H2O =>
[NiOH]2SO4 + 2 HCl = NiSO4 + NiCl2 + 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
SIO2 + C = SIC + CO =>
SIO2 + 3 C = SIC + 2 CO
NaHCO3 + C6H8O7 = CO2 + C6H5Na3O7 + H2O =>
3 NaHCO3 + C6H8O7 = 3 CO2 + C6H5Na3O7 + 3 H2O
CH3COOH = CH4 + CO2 =>
CH3COOH = CH4 + CO2
HNO3 + Cu = H2O + NO2 + CuNO3 =>
2 HNO3 + Cu = H2O + NO2 + CuNO3
C11H12N2O2 + O2 = CO2 + H2O + CH4N2O =>
2 C11H12N2O2 + 23 O2 = 20 CO2 + 8 H2O + 2 CH4N2O
CH3NH3Cl + AgNO3 = AgCl + CH3NH3NO3 =>
CH3NH3Cl + AgNO3 = AgCl + CH3NH3NO3
Ag2SO4 + Cu = AgCu + SO4 =>
Ag2SO4 + 2 Cu = 2 AgCu + SO4
Pb + AgNO3 = Ag + Pb(NO3)2 =>
Pb + 2 AgNO3 = 2 Ag + Pb(NO3)2
P2O5 + NaCl = NaPO3 + POCl3 =>
2 P2O5 + 3 NaCl = 3 NaPO3 + POCl3
FeCl3 + K4[Fe(Cn)6] = KFe[Fe(Cn)6] + KCl =>
FeCl3 + K4[Fe(Cn)6] = KFe[Fe(Cn)6] + 3 KCl
Zn + NO3{-} + H{+} = Zn{2+} + N2H4 + H2O =>
7 Zn + 2 NO3{-} + 16 H{+} = 7 Zn{2+} + N2H4 + 6 H2O
Hg2I2 + O2 = Hg2O + I2 =>
2 Hg2I2 + O2 = 2 Hg2O + 2 I2
Co3O4(s) + C(s) = Co(s) + CO(g) =>
Co3O4(s) + 4 C(s) = 3 Co(s) + 4 CO(g)
Al2(SO4)3 + KBr = AlBr + K2(SO4)3 =>
Al2(SO4)3 + 2 KBr = 2 AlBr + K2(SO4)3
C3H7COOH + CaCO3 = (C3H7COO)2Ca + H2O + CO2 =>
2 C3H7COOH + CaCO3 = (C3H7COO)2Ca + H2O + CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CaC2 + O2 = Ca + CO2 =>
CaC2 + 2 O2 = Ca + 2 CO2
Mg(OH)2 + Al(OH)3 + HNO3 = MgAl(NO3)5 + H2O =>
Mg(OH)2 + Al(OH)3 + 5 HNO3 = MgAl(NO3)5 + 5 H2O
Sr(OH)2 + Zn(NO3)2 = Sr(NO3)2 + Zn(OH)2 =>
Sr(OH)2 + Zn(NO3)2 = Sr(NO3)2 + Zn(OH)2
KI + Cl2 = I2 + KCl =>
2 KI + Cl2 = I2 + 2 KCl
Al + HNO3 + KOH = KNO2 + KAlO2 + HOH =>
2 Al + 3 HNO3 + 5 KOH = 3 KNO2 + 2 KAlO2 + 4 HOH
Ba(C2H3O2)2 + (NH4)3PO4 = Ba3 + (PO4)2 + NH4C2H3O2 =>
3 Ba(C2H3O2)2 + 2(NH4)3PO4 = Ba3 + (PO4)2 + 6 NH4C2H3O2
H3C = CH3 =>
H3C = CH3
HNO3 + Cu = H2O + NO + CuNO3 =>
4 HNO3 + 3 Cu = 2 H2O + NO + 3 CuNO3
CH3OH + CrO3 + H{+} = CO2 + Cr{3+} + H2O =>
CH3OH + 2 CrO3 + 6 H{+} = CO2 + 2 Cr{3+} + 5 H2O
CrO3 + H{+} + CH3OH = Cr{2+} + CO2 + H2O =>
3 CrO3 + 6 H{+} + 2 CH3OH = 3 Cr{2+} + 2 CO2 + 7 H2O
C2H6O + PCl3 = C2H5Cl + H3PO3 =>
3 C2H6O + PCl3 = 3 C2H5Cl + H3PO3
S + NaOH = Na2S + Na2S2O3 + H2O =>
4 S + 6 NaOH = 2 Na2S + Na2S2O3 + 3 H2O
C2H6O + PCl3 = C2H5Cl + H3PO3 =>
3 C2H6O + PCl3 = 3 C2H5Cl + H3PO3
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
ZnO + ZnS = Zn + SO2 =>
2 ZnO + ZnS = 3 Zn + SO2
KOH + Pb(SO4)2 = K2SO4 + Pb(OH)4 =>
4 KOH + Pb(SO4)2 = 2 K2SO4 + Pb(OH)4
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