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8 Ag2S = 16 Ag + S8
SCN({-}) + I2 + H2O = I({-}) + HCN + SO4 + H =>
2 SCN({-}) + I2 + 8 H2O = 2 I({-}) + 2 HCN + 2 SO4 + 14 H
Na2O + Al = NaAl + O2 =>
2 Na2O + 4 Al = 4 NaAl + O2
BeI2 + Sn(NO3)4 = Be(NO3)2 + SnI4 =>
2 BeI2 + Sn(NO3)4 = 2 Be(NO3)2 + SnI4
KNO2 + KMnO4 + H2SO4 = KNO3 + Mn(SO4)2 + K2SO4 + H2O =>
3 KNO2 + 2 KMnO4 + 5 H2SO4 = 3 KNO3 + 2 Mn(SO4)2 + K2SO4 + 5 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KMnO4 + K4[Fe(CN)6] + H2SO4 = K[Fe(CN)6] + MnSO4 + K2SO4 + H2O =>
3 KMnO4 + 5 K4[Fe(CN)6] + 12 H2SO4 = 5 K[Fe(CN)6] + 3 MnSO4 + 9 K2SO4 + 12 H2O
Cd(NO3)2 + NH4OH = [Cd(NH3)4](NO3)2 + H2O =>
Cd(NO3)2 + 4 NH4OH = [Cd(NH3)4](NO3)2 + 4 H2O
NaHCO3 + HClO4 = NaClO4 + H2CO3 =>
NaHCO3 + HClO4 = NaClO4 + H2CO3
Cu2S + KNO3 = KNO2 + CuO + SO2 =>
Cu2S + 4 KNO3 = 4 KNO2 + 2 CuO + SO2
NaHCO3 + HClO4 = NaClO4 + H2CO3 =>
NaHCO3 + HClO4 = NaClO4 + H2CO3
Cr2O7K2 + HCl + CH3OH = KCl + CrCl3 + H2O + HCOOH =>
2 Cr2O7K2 + 16 HCl + 3 CH3OH = 4 KCl + 4 CrCl3 + 11 H2O + 3 HCOOH
HBr + LiNH2 = NH3 + LiBr =>
HBr + LiNH2 = NH3 + LiBr
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
O2 + Cl2 = Cl2O =>
O2 + 2 Cl2 = 2 Cl2O
Bi2O3 + Zn = ZnO + Bi =>
Bi2O3 + 3 Zn = 3 ZnO + 2 Bi
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
AgNO3 + Na3PO4 = AgNa3 + PO4NO3 =>
AgNO3 + Na3PO4 = AgNa3 + PO4NO3
Mn{2+} + OH{-} + O2 = MnO2 + H2O =>
2 Mn{2+} + 4 OH{-} + O2 = 2 MnO2 + 2 H2O
Cr2(SO4)3 + Na2S + H2O = Na2SO4 + Cr(OH)2 + H2S =>
4 Cr2(SO4)3 + 13 Na2S + 20 H2O = 13 Na2SO4 + 8 Cr(OH)2 + 12 H2S
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
MgO(s) + H2SO4(ac) = MgSO4(ac) + H2O =>
MgO(s) + H2SO4(ac) = MgSO4(ac) + H2O
Bi2O3 + H2 = Bi + H2O =>
Bi2O3 + 3 H2 = 2 Bi + 3 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
AlNaOH = NaAl(OH) =>
AlNaOH = NaAl(OH)
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
Na2CO3 + H2SO4 = H2CO3 + Na2SO4 =>
Na2CO3 + H2SO4 = H2CO3 + Na2SO4
HNO3 + BaBr2 = Ba(NO3)2 + HBr =>
2 HNO3 + BaBr2 = Ba(NO3)2 + 2 HBr
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Pb + Cl2 = PbCl4 =>
Pb + 2 Cl2 = PbCl4
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
Bi2O3 = Bi + O2 =>
2 Bi2O3 = 4 Bi + 3 O2
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
Sn + NaOH = Na2Sn2O2 + H2 =>
2 Sn + 2 NaOH = Na2Sn2O2 + H2
C2H3F + O2 = CO + H2O + HF =>
2 C2H3F + 3 O2 = 4 CO + 2 H2O + 2 HF
AgCl + NaOH = Ag + H2O + NaCl + O2 =>
4 AgCl + 4 NaOH = 4 Ag + 2 H2O + 4 NaCl + O2
PhCa(OH)2 + HNO3 = PhCa(NO3)2 + H2O =>
PhCa(OH)2 + 2 HNO3 = PhCa(NO3)2 + 2 H2O
K + Ni(SO4) = K2SO4 + Ni =>
2 K + Ni(SO4) = K2SO4 + Ni
HC2H3O2(g) + NaOH(aq) = NaC2H3O2(aq) + H2O(l) =>
HC2H3O2(g) + NaOH(aq) = NaC2H3O2(aq) + H2O(l)
HCl2NaHO(aq) = NaCl2H2O =>
HCl2NaHO(aq) = NaCl2H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Mg2 + O2 + H2O = Mg(OH)2 =>
Mg2 + O2 + 2 H2O = 2 Mg(OH)2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
KClF2 = KF2Cl =>
KClF2 = KF2Cl
Ag2S + AlCl3 = AgCl + Al2S3 =>
3 Ag2S + 2 AlCl3 = 6 AgCl + Al2S3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
C = C2 =>
2 C = C2
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