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Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
HNO3 + As + H2O = H3AsO3 + NO =>
HNO3 + As + H2O = H3AsO3 + NO
C12 + NaOH = NaC1O3 + NaC1 + H2O =>
C12 + 12 NaOH = 2 NaC1O3 + 10 NaC1 + 6 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na2B4O7 + H2O + NaOH = NaB(OH)4 =>
Na2B4O7 + 7 H2O + 2 NaOH = 4 NaB(OH)4
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
I2 + IO3{-} + Cl{-} + H2O = ICl2{-} + OH{-} =>
2 I2 + IO3{-} + 10 Cl{-} + 3 H2O = 5 ICl2{-} + 6 OH{-}
SiO2 + Na2CO3 = Na2SiO3 + CO2 =>
SiO2 + Na2CO3 = Na2SiO3 + CO2
Na(s) + O2(g) = Na2O(s) =>
4 Na(s) + O2(g) = 2 Na2O(s)
HBr + Sr(OH)2 = SrBr + H3O2 =>
HBr + Sr(OH)2 = SrBr + H3O2
Zn + KCl = ZnCl + K =>
Zn + KCl = ZnCl + K
AgF + NaI = AgI + NaF =>
AgF + NaI = AgI + NaF
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
CaCl2 + C18H33NaO2 = Ca(C18H33O2)2 + NaCl =>
CaCl2 + 2 C18H33NaO2 = Ca(C18H33O2)2 + 2 NaCl
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Cu3(PO4)2 + Mn(C2H3O2)3 = Cu(C2H3O2)2 + MnPO4 =>
Cu3(PO4)2 + 2 Mn(C2H3O2)3 = 3 Cu(C2H3O2)2 + 2 MnPO4
Fe + S = FeS =>
Fe + S = FeS
Mn(NO3)7 + Ni(NO3)2 = Mn(NO3)4 + Ni(NO3)4 =>
2 Mn(NO3)7 + 3 Ni(NO3)2 = 2 Mn(NO3)4 + 3 Ni(NO3)4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
KBr + NaOCl = NaCl + K2O + Br =>
2 KBr + NaOCl = NaCl + K2O + 2 Br
(NH4)2SO4 + NaI = Na(NH4)2 + ISO4 =>
(NH4)2SO4 + NaI = Na(NH4)2 + ISO4
C7H6O3 + C4H6O3 = C9H8O4 + C2H4O2 =>
C7H6O3 + C4H6O3 = C9H8O4 + C2H4O2
K2CO3(aq) + Fe(NO3)3(aq) = KNO3(aq) + Fe2(CO3)3 =>
3 K2CO3(aq) + 2 Fe(NO3)3(aq) = 6 KNO3(aq) + Fe2(CO3)3
NaNO3AgCl = AgNO3NaCl =>
NaNO3AgCl = AgNO3NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
Ba(OH)2 = BaO + H2O =>
Ba(OH)2 = BaO + H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Na2S2O3 + H2SO4 = Na2O4 + H2SO3 + S =>
Na2S2O3 + H2SO4 = Na2O4 + H2SO3 + 2 S
(NH4)2S + Na2SO3 + H2O = S + NaOH + NH4OH =>
2(NH4)2S + Na2SO3 + 3 H2O = 3 S + 2 NaOH + 4 NH4OH
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
Mg(OH)2 + HBr = MgBr2 + H2O =>
Mg(OH)2 + 2 HBr = MgBr2 + 2 H2O
C2H2 + KMnO4 = (COOK)2 + KOH + MnO2 + H2O =>
3 C2H2 + 8 KMnO4 = 3(COOK)2 + 2 KOH + 8 MnO2 + 2 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
Ca + S = CaS =>
Ca + S = CaS
Br2 + KOH = KBrO + KBr + H2O =>
Br2 + 2 KOH = KBrO + KBr + H2O
H2SO4(aq) + NH4OH(aq) = (NH4)2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 NH4OH(aq) = (NH4)2SO4(aq) + 2 H2O(l)
HgO(heat) = Hg + O =>
HgO(heat) = Hg + O
ZnCl2 + Fe(OH)2 = Zn(OH)2 + FeCl2 =>
ZnCl2 + Fe(OH)2 = Zn(OH)2 + FeCl2
C5H10O2 + PCl3 = C5H9ClO + H3PO3 =>
3 C5H10O2 + PCl3 = 3 C5H9ClO + H3PO3
NH4NO3 + CH3COOH = CH3COONO2 + NH3 + H2O =>
NH4NO3 + CH3COOH = CH3COONO2 + NH3 + H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
H2SO3 + CuCl2 = CuSO3 + HCl =>
H2SO3 + CuCl2 = CuSO3 + 2 HCl
CaS + H2O = Ca(HS)2 + Ca(OH)2 =>
2 CaS + 2 H2O = Ca(HS)2 + Ca(OH)2
FeCl3 + H2S = Fe2S3 + HCl =>
2 FeCl3 + 3 H2S = Fe2S3 + 6 HCl
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