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2 H2S + 3 O2 = 2 SO2 + 2 H2O
Br + F = BrF3 =>
Br + 3 F = BrF3
Na2SO3 + KIO3 + H2SO4 = Na2SO4 + K2SO4 + HI =>
6 Na2SO3 + 2 KIO3 + H2SO4 = 6 Na2SO4 + K2SO4 + 2 HI
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al(OH)3 + Ba(CO3) = Al2(CO3)3 + Ba(OH)2 =>
2 Al(OH)3 + 3 Ba(CO3) = Al2(CO3)3 + 3 Ba(OH)2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
KNO3 + Na = K + NaNO3 =>
KNO3 + Na = K + NaNO3
H + NO2 = H2O + N =>
4 H + NO2 = 2 H2O + N
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
KOH + F2 = KF + F2O + H2O =>
2 KOH + 2 F2 = 2 KF + F2O + H2O
NaCl + AgN2 = NaN2 + AgCl =>
NaCl + AgN2 = NaN2 + AgCl
Al(s) + Cl2(g) = AlCl3(s) =>
2 Al(s) + 3 Cl2(g) = 2 AlCl3(s)
Zn + HBr = ZnBr2 + H2 =>
Zn + 2 HBr = ZnBr2 + H2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
CoCl2 + KNO2 + HC2H3O2 = K3Co(NO2)6 + NO + KC2H3O2 + KCl + H2O =>
CoCl2 + 7 KNO2 + 2 HC2H3O2 = K3Co(NO2)6 + NO + 2 KC2H3O2 + 2 KCl + H2O
Ca + AgCl = Ag + CaCl =>
Ca + AgCl = Ag + CaCl
PBO2 + C = PB + CO2 =>
PBO2 + C = PB + CO2
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
As2O5 + Ca(OH)2 = Ca3(AsO4)2 + H2O =>
As2O5 + 3 Ca(OH)2 = Ca3(AsO4)2 + 3 H2O
Zn + Pb(NO3)2 = ZnNO3 + Pb =>
2 Zn + Pb(NO3)2 = 2 ZnNO3 + Pb
NO + NH3 = H2O + N2 =>
6 NO + 4 NH3 = 6 H2O + 5 N2
Al2(SO4)3 + Ca(OH)2 = CaSO4 + Al(OH)3 =>
Al2(SO4)3 + 3 Ca(OH)2 = 3 CaSO4 + 2 Al(OH)3
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Al2(SO4)3 + Ca(OH)2 = CaSO4 + Al(OH)3 =>
Al2(SO4)3 + 3 Ca(OH)2 = 3 CaSO4 + 2 Al(OH)3
KMnO4 + K2S2O3 + H2O = MnO2 + K2SO4 + KOH =>
8 KMnO4 + 3 K2S2O3 + H2O = 8 MnO2 + 6 K2SO4 + 2 KOH
C16H34 + O2 = CO2 + H2O =>
2 C16H34 + 49 O2 = 32 CO2 + 34 H2O
FeO + SO3 = FeSO4 =>
FeO + SO3 = FeSO4
C4H10 + O2 = CO2 + H =>
C4H10 + 4 O2 = 4 CO2 + 10 H
CuCO3 = Cu + CO3 =>
CuCO3 = Cu + CO3
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Fe(NO2)2 + Al = Al(NO2)3 + Fe =>
3 Fe(NO2)2 + 2 Al = 2 Al(NO2)3 + 3 Fe
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
Na2O + AlCl3 = AlO + Na2Cl3 =>
Na2O + AlCl3 = AlO + Na2Cl3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C4H10 + O2 = CO2 + H2 =>
C4H10 + 4 O2 = 4 CO2 + 5 H2
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
NaCl = Na + Cl =>
NaCl = Na + Cl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
I + Cl = ICl =>
I + Cl = ICl
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Na2S2O3 + AgBr = NaBr + Na3[Ag(S2O3)2] =>
2 Na2S2O3 + AgBr = NaBr + Na3[Ag(S2O3)2]
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
CaCl2 + Pb(NO3)2 = Ca(NO3)2 + PbCl2 =>
CaCl2 + Pb(NO3)2 = Ca(NO3)2 + PbCl2
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
H3PO4 + NH3 = ((NH4)3PO4) =>
H3PO4 + 3 NH3 = ((NH4)3PO4)
N2 + Cl2 = NCl3 =>
N2 + 3 Cl2 = 2 NCl3
Cu(NO3)2 + NaHO = CuHO + Na(NO3)2 =>
Cu(NO3)2 + NaHO = CuHO + Na(NO3)2
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