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16 Al + 3 S8 = 8 Al2S3
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Pb + CaSO4 = Pb2SO4 + Ca =>
2 Pb + CaSO4 = Pb2SO4 + Ca
C3H5Cl + NaOH = C3H5OH + NaCl =>
C3H5Cl + NaOH = C3H5OH + NaCl
NaCH3COOH + H2O = NaCH3COO + H3O =>
NaCH3COOH + H2O = NaCH3COO + H3O
Fe2O3 + NaOH = Fe(OH)3 + Na2O =>
Fe2O3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2O
FeS + HNO3 = Fe(NO3)3 + H2SO4 + NO2 + H2O =>
FeS + 12 HNO3 = Fe(NO3)3 + H2SO4 + 9 NO2 + 5 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaIO3 + Na2S2O3 + HCl = NaI + Na2S4O6 + NaCl + H2O =>
NaIO3 + 6 Na2S2O3 + 6 HCl = NaI + 3 Na2S4O6 + 6 NaCl + 3 H2O
Zn + HCl = ZnCl + H =>
Zn + HCl = ZnCl + H
K2[Zn(OH)4] = Zn(OH)2 + KOH =>
K2[Zn(OH)4] = Zn(OH)2 + 2 KOH
K2SO3 = K2SO4 + K2S =>
4 K2SO3 = 3 K2SO4 + K2S
NH4CH3COO + H2O = NH3CH3COO + H3O =>
NH4CH3COO + H2O = NH3CH3COO + H3O
Mg + C20H14O4 = MgC20H14O4 =>
Mg + C20H14O4 = MgC20H14O4
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
H2SO3 + HNO2 = H2SO4 + NO + H2O =>
H2SO3 + 2 HNO2 = H2SO4 + 2 NO + H2O
NaN3 + AuCl3 = Au + N2 + NaCl =>
6 NaN3 + 2 AuCl3 = 2 Au + 9 N2 + 6 NaCl
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C + O2 = CO2 =>
C + O2 = CO2
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
C2H7NO + HNO2 = C2H6N2O2 + H2O =>
C2H7NO + HNO2 = C2H6N2O2 + H2O
Al2(SO4)3 + (NH4)2S = (NH4)2SO4 + Al2S3 =>
Al2(SO4)3 + 3(NH4)2S = 3(NH4)2SO4 + Al2S3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
AL + HCl = ALCl + H2 =>
2 AL + 2 HCl = 2 ALCl + H2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Sn + HCl = H2 + SnCl =>
2 Sn + 2 HCl = H2 + 2 SnCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na + HNO3 = NaNO3 + NH4NO3 + H2O =>
8 Na + 10 HNO3 = 8 NaNO3 + NH4NO3 + 3 H2O
P2 + O2 = P2O3 =>
2 P2 + 3 O2 = 2 P2O3
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Zn + HCl = H2 + ZnCl =>
2 Zn + 2 HCl = H2 + 2 ZnCl
KHCO3 + HNO3 = KNO3 + H2O + CO2 =>
KHCO3 + HNO3 = KNO3 + H2O + CO2
Fe + HCl = H2 + FeCl =>
2 Fe + 2 HCl = H2 + 2 FeCl
HAsO2 + H2O = H3O + AsO2 =>
HAsO2 + H2O = H3O + AsO2
FeS + HI = H2S + FeI2 =>
FeS + 2 HI = H2S + FeI2
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
AgCl + NH3H2O = AgOH + NH4Cl =>
AgCl + NH3H2O = AgOH + NH4Cl
Al(HCO3)3 = Al2O3 + H2O + CO2 =>
2 Al(HCO3)3 = Al2O3 + 3 H2O + 6 CO2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
KCl + Ag(NO3) = AgCl + K(NO3) =>
KCl + Ag(NO3) = AgCl + K(NO3)
KMnO4 + KI + H2SO4 = MnSO4 + K2SO4 + H2O + I2 =>
2 KMnO4 + 10 KI + 8 H2SO4 = 2 MnSO4 + 6 K2SO4 + 8 H2O + 5 I2
KOH + CO2 = K2CO3 + H2O =>
2 KOH + CO2 = K2CO3 + H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
MnO4{-} + Cl{-} + H{+} = Mn{+} + Cl2 + H2O =>
MnO4{-} + 6 Cl{-} + 8 H{+} = Mn{+} + 3 Cl2 + 4 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
PbO = Pb + O2 =>
2 PbO = 2 Pb + O2
Cr2O7 + HCl = H2O + CrCl7 =>
Cr2O7 + 14 HCl = 7 H2O + 2 CrCl7
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CuSO4 + Fe = FeSO4 + Cu =>
CuSO4 + Fe = FeSO4 + Cu
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