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Sn + 2 Na(OH) + 2 H2O = Na2[Sn(OH)4] + H2
Zn + AlCl2 = ZnCl + Al =>
2 Zn + AlCl2 = 2 ZnCl + Al
NaCl + H2SO4 + NH3 = Na2SO4 + NH4Cl =>
2 NaCl + H2SO4 + 2 NH3 = Na2SO4 + 2 NH4Cl
CHCl3 + NaOH = NaClO + CH4 =>
CHCl3 + 3 NaOH = 3 NaClO + CH4
K3PO4 + CaCO3 = K2CO3 + Ca3(PO4)2 =>
2 K3PO4 + 3 CaCO3 = 3 K2CO3 + Ca3(PO4)2
Sr + HNO3 = NO + H2O + Sr(NO3)2 =>
3 Sr + 8 HNO3 = 2 NO + 4 H2O + 3 Sr(NO3)2
HBr(aq) + O2(g) = H2O(l) + Br2(l) =>
4 HBr(aq) + O2(g) = 2 H2O(l) + 2 Br2(l)
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Cu + Cr + O = CuCr2O7 =>
Cu + 2 Cr + 7 O = CuCr2O7
BeO + Na2O = Be + NaO2 =>
3 BeO + Na2O = 3 Be + 2 NaO2
NO3H + Cr(OH)3 = Cr(NO3)3 + H2O =>
3 NO3H + Cr(OH)3 = Cr(NO3)3 + 3 H2O
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
Sb2O3 + Al = Al2O3 + Sb =>
Sb2O3 + 2 Al = Al2O3 + 2 Sb
H3CH2OCH2CH3 + O2 = CO2 + H2O =>
H3CH2OCH2CH3 + 5 O2 = 3 CO2 + 5 H2O
Al2O + H2 = Al + H2O =>
Al2O + H2 = 2 Al + H2O
(CH3CH3) + O2 = CO2 + H2O =>
2(CH3CH3) + 7 O2 = 4 CO2 + 6 H2O
H2O + Hg = HgO + H2 =>
H2O + Hg = HgO + H2
NaOH + SO2 + S = Na2S2O3 + H2O =>
2 NaOH + SO2 + S = Na2S2O3 + H2O
XR3 + JZ = X2Z3 + JR2 =>
2 XR3 + 3 JZ = X2Z3 + 3 JR2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
HCl + NO3 = HNO3 + Cl2 =>
2 HCl + 2 NO3 = 2 HNO3 + Cl2
Sb + O2 = Sb2O3 =>
4 Sb + 3 O2 = 2 Sb2O3
C2H4OH + Na2 = C2H4 + NaOH =>
2 C2H4OH + Na2 = 2 C2H4 + 2 NaOH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe + CuNO3 = Fe(NO3) + Cu =>
Fe + CuNO3 = Fe(NO3) + Cu
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
Cu(NO3)2 + C6H8O7 = Cu + CO2 + H2O + N2 =>
3 Cu(NO3)2 + 2 C6H8O7 = 3 Cu + 12 CO2 + 8 H2O + 3 N2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C3H6O8 + KMnO4 = H2O + CO2 + MnO2 + K2CO3 =>
3 C3H6O8 + 2 KMnO4 = 9 H2O + 8 CO2 + 2 MnO2 + K2CO3
Pb(NO3)2 + K4[Fe(CN)6] = PbFe(CN)6 + K4(NO3)2 =>
Pb(NO3)2 + K4[Fe(CN)6] = PbFe(CN)6 + K4(NO3)2
Fe2Pb + H2O = FeO + H4Pb =>
Fe2Pb + 2 H2O = 2 FeO + H4Pb
SnCl4 + HCl + VCl3 = VCl4 + SnH4 =>
SnCl4 + 4 HCl + 8 VCl3 = 8 VCl4 + SnH4
LiMnO4 + Li2C2O4 + HNO3 = Li2O + Mn(NO3)2 + H2O + CO2 =>
2 LiMnO4 + 5 Li2C2O4 + 4 HNO3 = 6 Li2O + 2 Mn(NO3)2 + 2 H2O + 10 CO2
Al(OH)3 + HClO4 = Al(ClO4)3 + HOH =>
Al(OH)3 + 3 HClO4 = Al(ClO4)3 + 3 HOH
C2H5NH2 + C2H5OH = C2H5NHC2H5 + H2O =>
C2H5NH2 + C2H5OH = C2H5NHC2H5 + H2O
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
Fe + CuNO3 = Fe(NO3) + Cu =>
Fe + CuNO3 = Fe(NO3) + Cu
O2 + C3H5(NO2)3 = CO2 + H2O + N2 =>
5 O2 + 4 C3H5(NO2)3 = 12 CO2 + 10 H2O + 6 N2
CoCl2 + H2CO3 = HCl + CoCO3 =>
CoCl2 + H2CO3 = 2 HCl + CoCO3
H2O2 + Br2 = BrO4 + H2O =>
8 H2O2 + Br2 = 2 BrO4 + 8 H2O
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
SrBr2 + KOH = KBr + Sr(OH)2 =>
SrBr2 + 2 KOH = 2 KBr + Sr(OH)2
NiCoMn(OH)2 + LiOH + O2 = LiNiCoMnO2 + H2O =>
4 NiCoMn(OH)2 + 4 LiOH + O2 = 4 LiNiCoMnO2 + 6 H2O
HCl(aq) + Na2SO4(aq) = Na2Cl(aq) + HSO4(aq) =>
HCl(aq) + Na2SO4(aq) = Na2Cl(aq) + HSO4(aq)
Fe + CuNO3 = Fe(NO3) + Cu =>
Fe + CuNO3 = Fe(NO3) + Cu
FeSO4 + KCN = K4[Fe(CN)6] + K2SO4 =>
FeSO4 + 6 KCN = K4[Fe(CN)6] + K2SO4
Hg(l) + F2 = Hg2F2 =>
2 Hg(l) + F2 = Hg2F2
H2O + KClO4 = HClO4 + K(OH) =>
H2O + KClO4 = HClO4 + K(OH)
C2 + H2 + O2 = C2H4O2 =>
C2 + 2 H2 + O2 = C2H4O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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