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4 Al + 3 O2 = 2 Al2O3
Na2SiO3 + H2C4H4O6 = Na2C4H4O6 + H2SiO3 =>
Na2SiO3 + H2C4H4O6 = Na2C4H4O6 + H2SiO3
C4H2O6{2-} + H2O2 = H2O + CO2 + OH{-} =>
C4H2O6{2-} + 4 H2O2 = 4 H2O + 4 CO2 + 2 OH{-}
B + O2 = BO2 =>
B + O2 = BO2
Mg(NO3)2 + K2CrO4 + HC2H3O2 = MgCrO4 + KNO3HC2H3O2 =>
Mg(NO3)2 + K2CrO4 + 2 HC2H3O2 = MgCrO4 + 2 KNO3HC2H3O2
CrBr3 + H2 = CrBr2 + HBr =>
2 CrBr3 + H2 = 2 CrBr2 + 2 HBr
Cr + HNO3 = Cr(NO3)3 + NH3 + H2O =>
8 Cr + 27 HNO3 = 8 Cr(NO3)3 + 3 NH3 + 9 H2O
Cs + H2O = CsOH + H2 =>
2 Cs + 2 H2O = 2 CsOH + H2
Cl2 + Cu(OH)2 = Cu(ClO)2 + H2O + CuCl2 =>
2 Cl2 + 2 Cu(OH)2 = Cu(ClO)2 + 2 H2O + CuCl2
NaOH + H2O = H2 + NaO2 =>
2 NaOH + 2 H2O = 3 H2 + 2 NaO2
potassiumnitrate + sulfur + carbon = carbondioxide + nitrogen + potassiumsulfide =>
2 KNO3 + S + 3 C = 3 CO2 + N2 + K2S
Na2SO3 + HC2H3O2 = NaC2H3O2 + SO2 + H2O =>
Na2SO3 + 2 HC2H3O2 = 2 NaC2H3O2 + SO2 + H2O
Mn + AlCl3 = MnCl2 + Al =>
3 Mn + 2 AlCl3 = 3 MnCl2 + 2 Al
Li + CH = LiCH =>
Li + CH = LiCH
(NH4)2MoO4 + HCl + H2SnCl4 = Mo5O14 + H2SnCl6 + H2O + NH4Cl =>
5(NH4)2MoO4 + 12 HCl + H2SnCl4 = Mo5O14 + H2SnCl6 + 6 H2O + 10 NH4Cl
Mg + O = MgO =>
Mg + O = MgO
NaBr + HHHPOOOO = HBr + NaNaNaPOOOO =>
3 NaBr + HHHPOOOO = 3 HBr + NaNaNaPOOOO
Na2S + CuCl2 = CuS + NaCl =>
Na2S + CuCl2 = CuS + 2 NaCl
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
FeS + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 10 H2O + 9 SO2
ZnSO3CaCl2 = ZnCl2CaSO3 =>
ZnSO3CaCl2 = ZnCl2CaSO3
CrO + Si = Cr + SiO =>
CrO + Si = Cr + SiO
Zn + KCN = ZnCN + K =>
Zn + KCN = ZnCN + K
Au(CN){-}2 + Zn = Zn(CN){-}4 + Au =>
Au(CN){-}2 + Zn = Zn(CN){-}4 + Au
Nb + OH = NbOH =>
Nb + OH = NbOH
Ag2CrO4 + NH4OH = H2O + [Ag(NH3)2]2CrO4 =>
Ag2CrO4 + 4 NH4OH = 4 H2O + [Ag(NH3)2]2CrO4
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
KMnO3 + KS + HClO = H2O + KClO + MnCl2 + SO2 =>
5 KMnO3 + 7 KS + 22 HClO = 11 H2O + 12 KClO + 5 MnCl2 + 7 SO2
H2 + I2 = HI =>
H2 + I2 = 2 HI
H5IO6 + NaOH = Na2H3IO6 + H2O =>
H5IO6 + 2 NaOH = Na2H3IO6 + 2 H2O
HNO3 + ZnCl2 = Zn(NO3)2 + HCl =>
2 HNO3 + ZnCl2 = Zn(NO3)2 + 2 HCl
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
CrO2{-} + OH{-} = CrO4{-2} + H2O + {-} =>
CrO2{-} + 4 OH{-} = CrO4{-2} + 2 H2O + 3e
Ca + Ce = CaCe2 =>
Ca + 2 Ce = CaCe2
NaCl + Zn = ZnCl2 + Na =>
2 NaCl + Zn = ZnCl2 + 2 Na
HNO3 + Mg = MgNO3 + NH4NO3 + H2O =>
10 HNO3 + 8 Mg = 8 MgNO3 + NH4NO3 + 3 H2O
NaH + SO3 = NaHSO3 =>
NaH + SO3 = NaHSO3
FeCl3 + NaHCO3 = Fe(HCO3)3 + NaCl =>
FeCl3 + 3 NaHCO3 = Fe(HCO3)3 + 3 NaCl
KOH + Cu = Cu(OH) + K =>
KOH + Cu = Cu(OH) + K
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2SiO3 + HCl = ClSiO3 + H2 =>
2 H2SiO3 + 2 HCl = 2 ClSiO3 + 3 H2
C2H5OH + CH3COONa = C2H5ONa + CH3COOH =>
C2H5OH + CH3COONa = C2H5ONa + CH3COOH
FeO + Na2O = Na2FeO2 =>
FeO + Na2O = Na2FeO2
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
VO2{+} + Sn{+2} + H2O = VO{2+} + Sn{+4} + OH{-} =>
2 VO2{+} + Sn{+2} + 2 H2O = 2 VO{2+} + Sn{+4} + 4 OH{-}
H2S(aq) + H2SO3(aq) = S(s) + H2O(l) =>
2 H2S(aq) + H2SO3(aq) = 3 S(s) + 3 H2O(l)
SCl2 + NH3 = S4N4 + NH4Cl + S =>
6 SCl2 + 16 NH3 = S4N4 + 12 NH4Cl + 2 S
Ca3[PO4]2 + H2SO4 = CaSO4 + Ca[H2PO4]2 =>
Ca3[PO4]2 + 2 H2SO4 = 2 CaSO4 + Ca[H2PO4]2
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Ni(OH)2 + NaClO + H2O = Ni(OH)3 + NaCl =>
2 Ni(OH)2 + NaClO + H2O = 2 Ni(OH)3 + NaCl
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