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2 Se + O2 = 2 SeO
FeAsS + HNO3 = Fe(NO3)3 + H3AsO4 + H2SO4 + NO2 + H2O =>
FeAsS + 17 HNO3 = Fe(NO3)3 + H3AsO4 + H2SO4 + 14 NO2 + 6 H2O
HI + Br2 = BrI + H2 =>
2 HI + Br2 = 2 BrI + H2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
BaO + S = SO + Ba =>
BaO + S = SO + Ba
MnO2 + C = Mn + CO =>
MnO2 + 2 C = Mn + 2 CO
HCOOH + C2H5OH = C2H5COOH + H2O =>
HCOOH + C2H5OH = C2H5COOH + H2O
H2S + ZnBr2 = ZnS + HBr =>
H2S + ZnBr2 = ZnS + 2 HBr
NH3(aq) + HCl(g) = NH4Cl(s) =>
NH3(aq) + HCl(g) = NH4Cl(s)
SO3 + OH{-} = SO4{-2} + H2O =>
SO3 + 2 OH{-} = SO4{-2} + H2O
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
C6H5OH + Br2 = C6H5Br + OH =>
2 C6H5OH + Br2 = 2 C6H5Br + 2 OH
Ba(OH)2 + ZnCl2 = BaCl2 + Zn(OH)2 =>
Ba(OH)2 + ZnCl2 = BaCl2 + Zn(OH)2
S + KOH = K2S + K2SO4 + H2O =>
4 S + 8 KOH = 3 K2S + K2SO4 + 4 H2O
ClO + SO3 = Cl + SO4 =>
ClO + SO3 = Cl + SO4
H2SnO3 + KOH = K2SnO3 + H2O =>
H2SnO3 + 2 KOH = K2SnO3 + 2 H2O
C2H4O = C2H2 + H2O =>
C2H4O = C2H2 + H2O
C6H5COOK + KOH = C6H6 + K2CO3 =>
C6H5COOK + KOH = C6H6 + K2CO3
NH4CI + AgNO3 = NH4NO3 + AgCI =>
NH4CI + AgNO3 = NH4NO3 + AgCI
S + I{-} = S2{-} + I2 =>
4 S + 2 I{-} = 2 S2{-} + I2
Hg2O2(s) = Hg(l) + O2(g) =>
Hg2O2(s) = 2 Hg(l) + O2(g)
C4H109(g) + O2(aq) = CO2(g) + H2O(l) =>
4 C4H109(g) + 125 O2(aq) = 16 CO2(g) + 218 H2O(l)
P2O3 + NO2 + NaOH = Na2(PHO4) + H2O + NO =>
P2O3 + 2 NO2 + 4 NaOH = 2 Na2(PHO4) + H2O + 2 NO
Zn(s) + Cl2(g) = ZnCl2(aq) =>
Zn(s) + Cl2(g) = ZnCl2(aq)
NaCN(s) + HCl(aq) = NaCl(aq) + HCN(l) =>
NaCN(s) + HCl(aq) = NaCl(aq) + HCN(l)
S + I = SI =>
S + I = SI
MgFe(Cl)2 = Mg(Cl)2Fe =>
MgFe(Cl)2 = Mg(Cl)2Fe
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq) =>
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq)
Mg + C3H7COOH = Mg(C3H7COO)2 + H2 =>
Mg + 2 C3H7COOH = Mg(C3H7COO)2 + H2
BaCl2(aq) + Al2(SO4)3 = BaSO4(s) + AlCl3(aq) =>
3 BaCl2(aq) + Al2(SO4)3 = 3 BaSO4(s) + 2 AlCl3(aq)
Na + CaSO4 = Ca + NaSO4 =>
Na + CaSO4 = Ca + NaSO4
F2 + H2O = HF + OF2 =>
2 F2 + H2O = 2 HF + OF2
Na2CO3 + LiNO3 = NaNO3 + Li2CO3 =>
Na2CO3 + 2 LiNO3 = 2 NaNO3 + Li2CO3
H2O + NaOH = H2 + NaO2 =>
2 H2O + 2 NaOH = 3 H2 + 2 NaO2
P + O3 = P2O5 =>
6 P + 5 O3 = 3 P2O5
Na2HPO4 + MgCl2 + NH4OH = MgNH4PO4 + NaCl + H2O =>
Na2HPO4 + MgCl2 + NH4OH = MgNH4PO4 + 2 NaCl + H2O
Li + Na2CO3 + HCl = Li2CO3 + NaCl + H2 =>
2 Li + Na2CO3 + 2 HCl = Li2CO3 + 2 NaCl + H2
hydrogen + nitrogen = (NH3) =>
3 H2 + N2 = 2(NH3)
(NH4)2CO3 + H2O = H2CO3 + NH4OH =>
(NH4)2CO3 + 2 H2O = H2CO3 + 2 NH4OH
HCOONa + H2SO4 = Na2SO4 + CHOOH =>
2 HCOONa + H2SO4 = Na2SO4 + 2 CHOOH
NaHCO3 + H = NaH + H2CO3 =>
NaHCO3 + 2 H = NaH + H2CO3
Al(CO3) + O2 = Al2O3 + CO2 =>
4 Al(CO3) + O2 = 2 Al2O3 + 4 CO2
HF + O2 = F2 + H2O =>
4 HF + O2 = 2 F2 + 2 H2O
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
HBr + CrO3 = Br2 + CrBr3 + H2O =>
12 HBr + 2 CrO3 = 3 Br2 + 2 CrBr3 + 6 H2O
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
BaCO3 + TiO2 = BaTiO3 + CO2 =>
BaCO3 + TiO2 = BaTiO3 + CO2
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
C6H12(g) + O2(g) = CO2(g) + H2O =>
C6H12(g) + 9 O2(g) = 6 CO2(g) + 6 H2O
CaO + S = SO + Ca =>
CaO + S = SO + Ca
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