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4 K2MnO4 + O2 + 2 H2O = 4 KMnO4 + 4 KOH
CH4 + O2 = CO2 + H2O = H2O + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CuNaCl2HO = CuCl2NaHO =>
CuNaCl2HO = CuCl2NaHO
Sr(OH)2 + HCl = SrCl2 + (H2O) =>
Sr(OH)2 + 2 HCl = SrCl2 + 2(H2O)
CH4 + CO = C2H4O =>
CH4 + CO = C2H4O
Na2SiO4 + H2CO3 = H2SiO4 + Na2CO3 =>
Na2SiO4 + H2CO3 = H2SiO4 + Na2CO3
HgS + O2 = HgO + S =>
2 HgS + O2 = 2 HgO + 2 S
Fe2O3 + Mg3 = MgO + Fe =>
Fe2O3 + Mg3 = 3 MgO + 2 Fe
Al + Na2CO3 = Al2(CO3)3 + Na =>
2 Al + 3 Na2CO3 = Al2(CO3)3 + 6 Na
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C6H12 + KMnO4 + H2SO4 = acetone + K2SO4 + MnSO4 + H2O =>
5 C6H12 + 4 KMnO4 + 6 H2SO4 = 10 CH3COCH3 + 2 K2SO4 + 4 MnSO4 + 6 H2O
H2CO3Ba(OH)2 = BaCO3H4O2 =>
H2CO3Ba(OH)2 = BaCO3H4O2
CH3CH(OH)COONa + NaOH = CH3CH(ONa)COONa + H2O =>
CH3CH(OH)COONa + NaOH = CH3CH(ONa)COONa + H2O
Nb + S8 = Nb2S5 =>
16 Nb + 5 S8 = 8 Nb2S5
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
KO2 + H2O + CO2 = KHCO3 + O2 =>
4 KO2 + 2 H2O + 4 CO2 = 4 KHCO3 + 3 O2
H3 = H =>
H3 = 3 H
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
AlCl3 + KOH = Al(OH)3 + KCl =>
AlCl3 + 3 KOH = Al(OH)3 + 3 KCl
P34 + O2 = P2O3 =>
2 P34 + 51 O2 = 34 P2O3
H2S + CdO = CdS + H2O =>
H2S + CdO = CdS + H2O
P + CH = PCH =>
P + CH = PCH
S8 + NO3{-} + H2O = SO3{2-} + NO + H{+} =>
3 S8 + 32 NO3{-} + 8 H2O = 24 SO3{2-} + 32 NO + 16 H{+}
PBr2 = P + Br3 =>
3 PBr2 = 3 P + 2 Br3
Fe(CO3)3 + NaOH = Fe(OH) + Na(CO3)3 =>
Fe(CO3)3 + NaOH = Fe(OH) + Na(CO3)3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Ammoniumhydroxide = ammonia + water =>
NH4OH = NH3 + H2O
Sc + F = ScF =>
Sc + F = ScF
Ca + H3PO4 = Ca(H3PO4) =>
Ca + H3PO4 = Ca(H3PO4)
Cu2O + KI + H2SO4 = K2SO4 + H2O + CuI =>
Cu2O + 2 KI + H2SO4 = K2SO4 + H2O + 2 CuI
Pb + SH = PbH + S =>
Pb + SH = PbH + S
CH3OH + K2CrO7 + H2SO4 = Cr2(SO4)3 + K2SO4 + HCOOH + H2O =>
9 CH3OH + 4 K2CrO7 + 10 H2SO4 = 2 Cr2(SO4)3 + 4 K2SO4 + 9 HCOOH + 19 H2O
N2O3 + Ba(OH)2 = Ba(NO2)2 + H2O =>
N2O3 + Ba(OH)2 = Ba(NO2)2 + H2O
Pbl2 + NaNO3 = NaPbl + NO3 =>
Pbl2 + 2 NaNO3 = 2 NaPbl + 2 NO3
K2ZnO2 + H2SO4 = K2SO4 + H2ZnO2 =>
K2ZnO2 + H2SO4 = K2SO4 + H2ZnO2
Zr + C = ZrC =>
Zr + C = ZrC
NaOH(ag) + HClO4 = NaClO4 + H2O =>
NaOH(ag) + HClO4 = NaClO4 + H2O
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
SO2 + NO2 = SO4 + NO =>
SO2 + 2 NO2 = SO4 + 2 NO
CuO + PO4 = CuPO4 + O2 =>
2 CuO + 2 PO4 = 2 CuPO4 + O2
Ca + H3(PO4)2 = Ca3(PO4)2 + H2 =>
6 Ca + 2 H3(PO4)2 = 2 Ca3(PO4)2 + 3 H2
CuO + H2S = Cu + H2O + S =>
CuO + H2S = Cu + H2O + S
RbOH + Cu(NO3)2 = Rb(NO3) + Cu(OH)2 =>
2 RbOH + Cu(NO3)2 = 2 Rb(NO3) + Cu(OH)2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
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