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2 Au + 3 S = Au2S3
(NH4)2SO4 + K3PO4 = (NH4)3PO4 + K2SO4 =>
3(NH4)2SO4 + 2 K3PO4 = 2(NH4)3PO4 + 3 K2SO4
Si2H3 + O2 = SiO2 + H2O = =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
Fe2 + Cl2 = FeCl3 =>
Fe2 + 3 Cl2 = 2 FeCl3
Zn(CN)2 + H3O{+} = Zn{2+} + HCN + H2O =>
Zn(CN)2 + 2 H3O{+} = Zn{2+} + 2 HCN + 2 H2O
Ca3N2 + HNO3 = Ca(NO3)2 + NH3 =>
Ca3N2 + 6 HNO3 = 3 Ca(NO3)2 + 2 NH3
SrO3 = Sr + O2 =>
2 SrO3 = 2 Sr + 3 O2
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
Mn3O4 + H2O = Mn2O3 + H{+} + e =>
2 Mn3O4 + H2O = 3 Mn2O3 + 2 H{+} + 2e
C6H5NH2K + H2O = C6H5NH3K + OH =>
C6H5NH2K + H2O = C6H5NH3K + OH
K + Ca = KCa =>
K + Ca = KCa
Mg + Cr = MgCr =>
Mg + Cr = MgCr
SCl2 + Cl2 = SCl4 =>
SCl2 + Cl2 = SCl4
Na(s) + Fe(NO3)3(aq) = Fe(s) + NaNO3(aq) =>
3 Na(s) + Fe(NO3)3(aq) = Fe(s) + 3 NaNO3(aq)
Na2CO3(s) + HCl(ac) = NaCl(ac) + H2O(l) + CO2(g) =>
Na2CO3(s) + 2 HCl(ac) = 2 NaCl(ac) + H2O(l) + CO2(g)
KMnO4 + NaClO3 + HCl = MnCl2 + H2O + NaClO4 + KCl =>
2 KMnO4 + 5 NaClO3 + 6 HCl = 2 MnCl2 + 3 H2O + 5 NaClO4 + 2 KCl
HNO2 + Zn = ZnNO2 + H2 =>
2 HNO2 + 2 Zn = 2 ZnNO2 + H2
Mn + HNO3(conc) = Mn(NO3)3 + NO + H2O =>
Mn + 4 HNO3(conc) = Mn(NO3)3 + NO + 2 H2O
Fe(OH)3 + H4P2O7 = Fe4(P2O7)3 + H2O =>
4 Fe(OH)3 + 3 H4P2O7 = Fe4(P2O7)3 + 12 H2O
Pb(NO3)2(aq) + H2S(g) = HNO3(aq) + PbS =>
Pb(NO3)2(aq) + H2S(g) = 2 HNO3(aq) + PbS
HCOH + Ag2O = HCOOH + Ag2 =>
HCOH + Ag2O = HCOOH + Ag2
AlCl3 + I2 = AlI + Cl =>
2 AlCl3 + I2 = 2 AlI + 6 Cl
KH2PO4 + NaOH = KOH + NaH2PO4 =>
KH2PO4 + NaOH = KOH + NaH2PO4
P4 + H2O + CuSO4 = H3PO4 + H2SO4 + Cu3P =>
11 P4 + 96 H2O + 60 CuSO4 = 24 H3PO4 + 60 H2SO4 + 20 Cu3P
KMnO4 + BiBr3 + H2SO4 = Br + MnSO4 + Bi2(SO4)3 + K2SO4 + H2O =>
6 KMnO4 + 10 BiBr3 + 24 H2SO4 = 30 Br + 6 MnSO4 + 5 Bi2(SO4)3 + 3 K2SO4 + 24 H2O
CH4(g) + Br(g) = CBr4(l) + HBr(g) =>
CH4(g) + 8 Br(g) = CBr4(l) + 4 HBr(g)
SO2 + HCl = SO2Cl2 + H2 =>
SO2 + 2 HCl = SO2Cl2 + H2
KMnO4 = K2MnO2 + MnO + O2 =>
4 KMnO4 = 2 K2MnO2 + 2 MnO + 5 O2
C6H12 + Br2 = C6H11Br + HBr =>
C6H12 + Br2 = C6H11Br + HBr
NaH2PO4 + Ba(OH)2 = Ba(H2PO4)2 + NaOH =>
2 NaH2PO4 + Ba(OH)2 = Ba(H2PO4)2 + 2 NaOH
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Fr + Cl2 = FrCl =>
2 Fr + Cl2 = 2 FrCl
KOH + F = KF + F2O + H2O =>
2 KOH + 4 F = 2 KF + F2O + H2O
Pb(NO3)2 + K2Cl2 = PbCl2 + KNO3 =>
Pb(NO3)2 + K2Cl2 = PbCl2 + 2 KNO3
Ca(OH)2 + Mg = Mg(OH)2 + Ca =>
Ca(OH)2 + Mg = Mg(OH)2 + Ca
IBr3 + F2 = IF5 + BrF3 =>
IBr3 + 7 F2 = IF5 + 3 BrF3
NaNO3 + H2SO4 = Na2SO4 + NO3H =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 NO3H
Fe3O4 + C2 = CO2 + Fe =>
Fe3O4 + C2 = 2 CO2 + 3 Fe
NaHSO4 + Ca(OH)2 = CaSO4 + NaOH + H2O =>
NaHSO4 + Ca(OH)2 = CaSO4 + NaOH + H2O
Li + MnO2 = Li2O + Mn =>
4 Li + MnO2 = 2 Li2O + Mn
SIO2 + K2O = K2SIO3 =>
SIO2 + K2O = K2SIO3
Fe2O3 + Na2O = NaFeO2 =>
Fe2O3 + Na2O = 2 NaFeO2
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
C8H12O3N2 + O2 = CO2 + NH3 + H2O2 =>
2 C8H12O3N2 + 19 O2 = 16 CO2 + 4 NH3 + 6 H2O2
Fl2 + H2O = HFl + O =>
Fl2 + H2O = 2 HFl + O
Co(NO3)2*6H2O + C2H5NO2 = Co3O4 + CO2 + H2O + N2 =>
27 Co(NO3)2*6H2O + 28 C2H5NO2 = 9 Co3O4 + 56 CO2 + 232 H2O + 41 N2
NO2 + KOH = KNO2 + KNO3H2O =>
2 NO2 + 2 KOH = KNO2 + KNO3H2O
Fe3Cl + KSCN = Fe3SCN + KCl =>
Fe3Cl + KSCN = Fe3SCN + KCl
NaOH + NH4HCO3 = NH4OH + NaHCO3 =>
NaOH + NH4HCO3 = NH4OH + NaHCO3
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