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W + 2 H2O = WO2 + 4 H
K2CO3H2SiO3 = K2SiO3CO2H2O =>
K2CO3H2SiO3 = K2SiO3CO2H2O
CuSO4*5H2O + O2 = CuO + SO4 + H2O =>
2 CuSO4*5H2O + O2 = 2 CuO + 2 SO4 + 10 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Li + NH4I = LiI + NH3 + H2 =>
2 Li + 2 NH4I = 2 LiI + 2 NH3 + H2
CS2(aq) + O2(g) = CO2(g) + SO2(g) =>
CS2(aq) + 3 O2(g) = CO2(g) + 2 SO2(g)
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Al2(SO4)3 + NaBr = AlBr3 + SO4Na2 =>
Al2(SO4)3 + 6 NaBr = 2 AlBr3 + 3 SO4Na2
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AlCl3 + K[Al(OH)4] = KCl + Al(OH)3 =>
AlCl3 + 3 K[Al(OH)4] = 3 KCl + 4 Al(OH)3
Na2CO3 + Zn(CH3COO)2 = Na(CH3COO) + ZnCO3 =>
Na2CO3 + Zn(CH3COO)2 = 2 Na(CH3COO) + ZnCO3
(NH4)2CO3 + Ba3(AsO4)2 = (NH4)3AsO4 + BaCO3 =>
3(NH4)2CO3 + Ba3(AsO4)2 = 2(NH4)3AsO4 + 3 BaCO3
Na + H2SO4 = Na2SO4 + H2S + H2O =>
8 Na + 5 H2SO4 = 4 Na2SO4 + H2S + 4 H2O
C6H5COONa + H2SO4 = C6H5COOH + NaHSO4 =>
C6H5COONa + H2SO4 = C6H5COOH + NaHSO4
Pb2(NO3) + KI = Pb2I + KNO3 =>
Pb2(NO3) + KI = Pb2I + KNO3
MgSO4 + NH4OH + Na2HPO4 = MgNH4PO4 + Na2SO4 + H2O =>
MgSO4 + NH4OH + Na2HPO4 = MgNH4PO4 + Na2SO4 + H2O
C2H2 + [Ag(NH3)2]OH = Ag2C2 + NH3 + H2O =>
C2H2 + 2[Ag(NH3)2]OH = Ag2C2 + 4 NH3 + 2 H2O
CO + ZnSO4 = COSO4 + Zn =>
CO + ZnSO4 = COSO4 + Zn
CrO3 + Fe(OH)2 = Cr(OH)3 + Fe2O3 + H2O =>
2 CrO3 + 6 Fe(OH)2 = 2 Cr(OH)3 + 3 Fe2O3 + 3 H2O
Sn + HCl2 = SnCl2 + H2 =>
2 Sn + 2 HCl2 = 2 SnCl2 + H2
Na2O + SiO2 = Na2O3Si =>
Na2O + SiO2 = Na2O3Si
Na2CO3 + Zn(CH3COO)2 = ZnCO3 + NaCH3COO =>
Na2CO3 + Zn(CH3COO)2 = ZnCO3 + 2 NaCH3COO
CrCl3 + KOH = KCl + Cr(OH)3 =>
CrCl3 + 3 KOH = 3 KCl + Cr(OH)3
K2O + HBr = KBr + H2 + O2 =>
2 K2O + 4 HBr = 4 KBr + 2 H2 + O2
AlCl3 + Cs = CsCl + Al =>
AlCl3 + 3 Cs = 3 CsCl + Al
Al(s) + HNO3(aq) = Al(NO3)3 + H2 =>
2 Al(s) + 6 HNO3(aq) = 2 Al(NO3)3 + 3 H2
LiH2PO4 + BaCl2 = Ba3(PO4)2 + HCl + LiCl =>
2 LiH2PO4 + 3 BaCl2 = Ba3(PO4)2 + 4 HCl + 2 LiCl
FeI3 + H2S = FeI2 + S + HI =>
2 FeI3 + H2S = 2 FeI2 + S + 2 HI
CuSO4 = CuS + O3 =>
3 CuSO4 = 3 CuS + 4 O3
TiO + C + Cl2 = TiCl4 + CO =>
TiO + C + 2 Cl2 = TiCl4 + CO
CaCl2 + Ca(OCl)2 + H2O = Ca(OH)2 + Cl =>
CaCl2 + Ca(OCl)2 + 2 H2O = 2 Ca(OH)2 + 4 Cl
BiI3 = Bi + I =>
BiI3 = Bi + 3 I
CHCOO + H2O = CH4 + CO2 =>
8 CHCOO + 6 H2O = 5 CH4 + 11 CO2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
N2 + Ca2 = Ca3N =>
N2 + 3 Ca2 = 2 Ca3N
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Na2O + SiO2 = Na2O3Si =>
Na2O + SiO2 = Na2O3Si
Cu2S + S8 = CuS =>
8 Cu2S + S8 = 16 CuS
FeCl3(aq) + H2S = Fe2S3(s) + HCl(aq) =>
2 FeCl3(aq) + 3 H2S = Fe2S3(s) + 6 HCl(aq)
Na2O + SiO2 = Na2O3Si =>
Na2O + SiO2 = Na2O3Si
Na2SO3 + LiNO3 = NaNO3 + Li2SO3 =>
Na2SO3 + 2 LiNO3 = 2 NaNO3 + Li2SO3
Na2SO4 + Mg(OH)2 = NaOH + MgSO4 =>
Na2SO4 + Mg(OH)2 = 2 NaOH + MgSO4
FeC2O4*2H2O = Fe2O3 + CO2 + CO + H2O =>
2 FeC2O4*2H2O = Fe2O3 + CO2 + 3 CO + 4 H2O
Sc + OH = Sc(OH)3 =>
Sc + 3 OH = Sc(OH)3
PbO2 + SO2 = PbSO4 =>
PbO2 + SO2 = PbSO4
Al(s) + HNO3(aq) = Al(NO3)3(aq) + NO(g) + H2O(l) =>
Al(s) + 4 HNO3(aq) = Al(NO3)3(aq) + NO(g) + 2 H2O(l)
BiI3 = Bi + I2 =>
2 BiI3 = 2 Bi + 3 I2
Fe(OH)3 + (NH4)2S = Fe2S3 + NH4OH =>
2 Fe(OH)3 + 3(NH4)2S = Fe2S3 + 6 NH4OH
CrI3 + Cl2 + OH{-} = CrO4{2-} + Cl{-} + I2 + H2O =>
2 CrI3 + 6 Cl2 + 16 OH{-} = 2 CrO4{2-} + 12 Cl{-} + 3 I2 + 8 H2O
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