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FeCo3 + KOH = FeK + Co3OH
F2O3 + H2O = HFO2 =>
F2O3 + H2O = 2 HFO2
H + Si = H3Si =>
3 H + Si = H3Si
MnO2 + KClO3 + KOH = KMnO4 + KCl + H2O =>
2 MnO2 + KClO3 + 2 KOH = 2 KMnO4 + KCl + H2O
H2SiO3 + NaOH = Na4SiO4 + H2O =>
H2SiO3 + 4 NaOH = Na4SiO4 + 3 H2O
Al + Fe2O2 = Al2O3 + Fe =>
4 Al + 3 Fe2O2 = 2 Al2O3 + 6 Fe
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
Pb + NaOH + H2O = Na2PbO3 + H2 =>
Pb + 2 NaOH + H2O = Na2PbO3 + 2 H2
Ca + Al = Ca3Al2 =>
3 Ca + 2 Al = Ca3Al2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Pb + NaOH + H2O = Na2[Pb(OH)6] + H2 =>
Pb + 2 NaOH + 4 H2O = Na2[Pb(OH)6] + 2 H2
Al2O03 + HCl = AlCl3 + H2O =>
Al2O03 + 6 HCl = 2 AlCl3 + 3 H2O
(Co(NH3)4)(OH)2 + H2O + O2 = (Co(NH3)4)(OH)3 =>
4(Co(NH3)4)(OH)2 + 2 H2O + O2 = 4(Co(NH3)4)(OH)3
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
SnO + HNO3 = Sn(NO3)2 + H2O =>
SnO + 2 HNO3 = Sn(NO3)2 + H2O
AuCl3 = Au + Cl2 =>
2 AuCl3 = 2 Au + 3 Cl2
Pb + NaOH + H2O = Na2(Pb(OH)4) + H2 =>
Pb + 2 NaOH + 2 H2O = Na2(Pb(OH)4) + H2
Cu(NO3)2(aq) + NaBr(aq) = CuBr2(aq) + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaBr(aq) = CuBr2(aq) + 2 NaNO3(aq)
Pb(NO3)2(aq) + NaL(aq) = PbL2(ppt) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaL(aq) = PbL2(ppt) + 2 NaNO3(aq)
Pb + NaOH + H2O = Na2Pb(OH)4 + H2 =>
Pb + 2 NaOH + 2 H2O = Na2Pb(OH)4 + H2
AgNO3 + CaO2 = AgO2 + CaNO3 =>
AgNO3 + CaO2 = AgO2 + CaNO3
Fe + O = Fe4O6 =>
4 Fe + 6 O = Fe4O6
Sb(OH)3 + NaS = SbS + Na(OH)3 =>
Sb(OH)3 + NaS = SbS + Na(OH)3
KMnO4 + Na2SO + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + Na2SO + H2O = 2 MnO2 + Na2SO4 + 2 KOH
Na + B = NaB =>
Na + B = NaB
NO2 + H2O = NHO2 + HNO3 =>
2 NO2 + H2O = NHO2 + HNO3
SF6(g) + H2O(l) = H2SO4(l) + HF(g) =>
SF6(g) + 4 H2O(l) = H2SO4(l) + 6 HF(g)
SiF4 + NH4F = (NH4)2SiF6 =>
SiF4 + 2 NH4F = (NH4)2SiF6
KCrO2 + H2SO4 = K2Cr2O7 + SO2 + H2O =>
2 KCrO2 + 3 H2SO4 = K2Cr2O7 + 3 SO2 + 3 H2O
(NH4)2CO3 + Bi(OH)3 = Bi2(CO3)3 + NH3 + H2O =>
3(NH4)2CO3 + 2 Bi(OH)3 = Bi2(CO3)3 + 6 NH3 + 6 H2O
C3H8 + Cl2 = HCl + C3H7 =>
2 C3H8 + Cl2 = 2 HCl + 2 C3H7
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
C6H8O7 + O2 = CO2 + H2O =>
2 C6H8O7 + 9 O2 = 12 CO2 + 8 H2O
C6H6(g) + O2 = C6O + H2O =>
C6H6(g) + 2 O2 = C6O + 3 H2O
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
(ClC3H7)2 + NaOH = H8C3O + NaCl =>
(ClC3H7)2 + 2 NaOH = 2 H8C3O + 2 NaCl
KMnO4 + H2O + CrCl3 = K2Cr2O7 + H2Cr2O7 + HCl + MnCl2 =>
6 KMnO4 + 11 H2O + 10 CrCl3 = 3 K2Cr2O7 + 2 H2Cr2O7 + 18 HCl + 6 MnCl2
W6O + C = W + CO2 =>
2 W6O + C = 12 W + CO2
TiO2 + CCl4 = CO2 + TiCl4 =>
TiO2 + CCl4 = CO2 + TiCl4
C8H16 + H2 = C8H18 =>
C8H16 + H2 = C8H18
Pb(NO3) + K2Cr2O7 = PbCr2O7 + K2NO3 =>
Pb(NO3) + K2Cr2O7 = PbCr2O7 + K2NO3
[Cr(NH3)5Br]Br2 + AgNO3 = [Cr(NH3)5Br]NO3 + AgBr2 =>
[Cr(NH3)5Br]Br2 + AgNO3 = [Cr(NH3)5Br]NO3 + AgBr2
ZnS + NaCl + H2O = ZnCl2 + Na + H2S + O2 =>
2 ZnS + 4 NaCl + 2 H2O = 2 ZnCl2 + 4 Na + 2 H2S + O2
NaOH + Si + H2O = NaSiO3 + H2 =>
2 NaOH + 2 Si + 4 H2O = 2 NaSiO3 + 5 H2
Ca(OH)2 + BiCl5 = CaCl2 + Bi(OH)5 =>
5 Ca(OH)2 + 2 BiCl5 = 5 CaCl2 + 2 Bi(OH)5
Na2CO3 + H2 = Na + CO2 + H2O =>
Na2CO3 + H2 = 2 Na + CO2 + H2O
Mg2SiO4 = Mg + O2 + Si =>
Mg2SiO4 = 2 Mg + 2 O2 + Si
HBr + AgNO3 = HNO3 + AgBr =>
HBr + AgNO3 = HNO3 + AgBr
AgS = SAg =>
AgS = SAg
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