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Fe2O3 + CaCO3 = Ca(FeO2)2 + CO2
KMnO4 + NaOH + Na2SO3 = K2MnO4 + Na2MnO4 + Na2SO4 + H2O =>
2 KMnO4 + 2 NaOH + Na2SO3 = K2MnO4 + Na2MnO4 + Na2SO4 + H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Zn + HClO4 = H2 + ZnClO4 =>
2 Zn + 2 HClO4 = H2 + 2 ZnClO4
RCOOH + NaOH = RCO2Na + H2O =>
RCOOH + NaOH = RCO2Na + H2O
PO4 + H2SO4 = H2PO4 + SO4 =>
PO4 + H2SO4 = H2PO4 + SO4
C2H4O + H2 = C4H6 + H2O =>
2 C2H4O + H2 = C4H6 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ni + NH4OH = Ni(OH)2 + NH3 + H2 =>
Ni + 2 NH4OH = Ni(OH)2 + 2 NH3 + H2
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
H2CO3 + Fe(OH)3 = Fe2(CO3)3 + H2 + O2 =>
3 H2CO3 + 2 Fe(OH)3 = Fe2(CO3)3 + 6 H2 + 3 O2
SCl2 + O2 = OCl2 + S =>
2 SCl2 + O2 = 2 OCl2 + 2 S
KClO3 + H2O = K2O + HClO3 =>
2 KClO3 + H2O = K2O + 2 HClO3
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Br2 + I{-} + OH{-} = Br{-} + IO{-} + H2O =>
Br2 + I{-} + 2 OH{-} = 2 Br{-} + IO{-} + H2O
Ca + HCl3 = H + CaCl =>
3 Ca + HCl3 = H + 3 CaCl
PbO2 + Al = Al3O3 + Pb =>
3 PbO2 + 6 Al = 2 Al3O3 + 3 Pb
NaBr + Ni(NO3)2 = Na(NO3)2 + NiBr =>
NaBr + Ni(NO3)2 = Na(NO3)2 + NiBr
AlBr3 + Cr(OH)4 = Al(OH)3 + CrBr4 =>
4 AlBr3 + 3 Cr(OH)4 = 4 Al(OH)3 + 3 CrBr4
C6H12O6 + CO2 = C7H8 + O2 =>
2 C6H12O6 + 9 CO2 = 3 C7H8 + 15 O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Li2S = Li2 + S =>
Li2S = Li2 + S
CCl3COOH + H2O = H3O{+} + CCl3COO{-} =>
CCl3COOH + H2O = H3O{+} + CCl3COO{-}
Br2(l) + KI(aq) = KBr(s) + I2(g) =>
Br2(l) + 2 KI(aq) = 2 KBr(s) + I2(g)
FeCl2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Cl2 + H2O + Fe2(SO4)3 =>
10 FeCl2 + 6 KMnO4 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 10 Cl2 + 24 H2O + 5 Fe2(SO4)3
(NH4)3PO4 + CdSO4 = Cd3(PO4)2 + (NH4)2SO4 =>
2(NH4)3PO4 + 3 CdSO4 = Cd3(PO4)2 + 3(NH4)2SO4
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
C + H + O = C9H10O2 =>
9 C + 10 H + 2 O = C9H10O2
BaCl2 + Al2(SO4)3(aq) = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3(aq) = 3 BaSO4 + 2 AlCl3
ZnSO4 + NaOH = Na2ZnO2 + H2SO4 =>
ZnSO4 + 2 NaOH = Na2ZnO2 + H2SO4
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
ZnSO4 + NH4OH = H2O + [Zn(NH3)4]SO4 =>
ZnSO4 + 4 NH4OH = 4 H2O + [Zn(NH3)4]SO4
CO2 + Ag2O = Ag2CO3 =>
CO2 + Ag2O = Ag2CO3
NH4 + Cr2O7 = CrO3 + N2 + H2O =>
2 NH4 + 4 Cr2O7 = 8 CrO3 + N2 + 4 H2O
NH3 + CH3COO = NH4(CH2COO) =>
NH3 + CH3COO = NH4(CH2COO)
CH4(g) = C(s) + H2 =>
CH4(g) = C(s) + 2 H2
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
CH4 + Br3 = CH3Br + HBr2 =>
CH4 + Br3 = CH3Br + HBr2
O3Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
O3Ca3(PO4)2 + 3 SiO2 + 8 C = 3 CaSiO3 + 8 CO + 2 P
Au + CN{-} + O2 + H2O = Au(CN)2{-} + OH{-} =>
4 Au + 8 CN{-} + O2 + 2 H2O = 4 Au(CN)2{-} + 4 OH{-}
MgO3C + HCl = MgCl2 + H2O + O2C =>
MgO3C + 2 HCl = MgCl2 + H2O + O2C
KAlSi3O8 + H2SO4 = H2O + K2SO4 + Al2(SO4)3 + SO2 + H2SiO4 =>
2 KAlSi3O8 + 10 H2SO4 = 4 H2O + K2SO4 + Al2(SO4)3 + 6 SO2 + 6 H2SiO4
HN3 + O2 = H2O + N2 =>
4 HN3 + O2 = 2 H2O + 6 N2
Ga2S3 + RbCl = GaCl3 + Rb2S =>
Ga2S3 + 6 RbCl = 2 GaCl3 + 3 Rb2S
C2H6 + HBr = C2H5Br2 + H2 =>
2 C2H6 + 4 HBr = 2 C2H5Br2 + 3 H2
NaClO + Cr2O3 + NaOH = Na2CrO4 + NaCl + H2O =>
3 NaClO + Cr2O3 + 4 NaOH = 2 Na2CrO4 + 3 NaCl + 2 H2O
(C6H5OH) + O2 = CO2 + H2O =>
(C6H5OH) + 7 O2 = 6 CO2 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
P2O5 = P + O2 =>
2 P2O5 = 4 P + 5 O2
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
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