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2 Na + MgO = Mg + Na2O
NaClO + As + H2O = NaCl + H3AsO4 =>
5 NaClO + 2 As + 3 H2O = 5 NaCl + 2 H3AsO4
H2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
H2Cr2O7 + 6 FeSO4 + 6 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O
H5IO6 + I{-} + H{+} = I2 + H2O =>
H5IO6 + 7 I{-} + 7 H{+} = 4 I2 + 6 H2O
Fe + NaCl = FeCl2 + Na =>
Fe + 2 NaCl = FeCl2 + 2 Na
Na2CO3 + GeO2 + Fe2O3 = NaFeGe2O6 + CO2 =>
Na2CO3 + 4 GeO2 + Fe2O3 = 2 NaFeGe2O6 + CO2
Na + MgO = Mg + Na2O =>
2 Na + MgO = Mg + Na2O
Zn + CUSO4 = ZnSO4 + CU =>
Zn + CUSO4 = ZnSO4 + CU
CH3C(Br)2CH3 + NaOH = CH3CCH + H2O + NaBr =>
CH3C(Br)2CH3 + 2 NaOH = CH3CCH + 2 H2O + 2 NaBr
C4H8Cl2S + O2 = CO2 + H2O + HCl + SO2 =>
2 C4H8Cl2S + 13 O2 = 8 CO2 + 6 H2O + 4 HCl + 2 SO2
I2 + O2 + F2 = IOF3 =>
I2 + O2 + 3 F2 = 2 IOF3
C6H10O5 + H2O2 = CO2 + H2O(water) =>
C6H10O5 + 12 H2O2 = 6 CO2 + 17 H2O(water)
SnO + CsOH = Cs2SnO2 + H2O =>
SnO + 2 CsOH = Cs2SnO2 + H2O
Na3CrO4 + H2SO4 = Na2Cr2O7 + Cr2O3 + Na2SO4 + H2O =>
6 Na3CrO4 + 7 H2SO4 = 2 Na2Cr2O7 + Cr2O3 + 7 Na2SO4 + 7 H2O
Y + P4 = YP =>
4 Y + P4 = 4 YP
MnCl2 + PbO2 = MnO + PbCl2 + Cl2 =>
2 MnCl2 + PbO2 = 2 MnO + PbCl2 + Cl2
Mo + H2SO4 = Mo2(SO4)3 + H2 =>
2 Mo + 3 H2SO4 = Mo2(SO4)3 + 3 H2
Na + Al(SO4) = Na(SO4) + Al =>
Na + Al(SO4) = Na(SO4) + Al
HI + Ba(OH)2 = I2Ba + H2O =>
2 HI + Ba(OH)2 = I2Ba + 2 H2O
CH3CH2CH3 = CH3CHCH2 + H2 =>
CH3CH2CH3 = CH3CHCH2 + H2
H2O + Cr2O3 = Cr(OH)3 =>
3 H2O + Cr2O3 = 2 Cr(OH)3
Li3PO4 + NaF = LiF + Na3PO4 =>
Li3PO4 + 3 NaF = 3 LiF + Na3PO4
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
Na2CO3(aq) + Fe(NO3)3 = NaNO3(aq) + Fe2(CO3)3(s) =>
3 Na2CO3(aq) + 2 Fe(NO3)3 = 6 NaNO3(aq) + Fe2(CO3)3(s)
H2CrO4 + FeCl3 = HCl + Fe2(CrO4)3 =>
3 H2CrO4 + 2 FeCl3 = 6 HCl + Fe2(CrO4)3
Zn + H2SO4(conc) = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4(conc) = 4 ZnSO4 + H2S + 4 H2O
Na4C + Cu3N2 = Na3N + Cu2C =>
3 Na4C + 2 Cu3N2 = 4 Na3N + 3 Cu2C
C7H12 + Br2 = C7H11 + HBr =>
2 C7H12 + Br2 = 2 C7H11 + 2 HBr
H2SO4 + NaCO3 = CO2 + H2O + NaSO4 =>
H2SO4 + NaCO3 = CO2 + H2O + NaSO4
CH3{-}CH2{-}CH = CH{-}CH3 + H2 =>
CH3{-}CH2{-}CH = CH{-}CH3 + H2
C2H2H5OH + O2 = CO2 + H2O =>
2 C2H2H5OH + 7 O2 = 4 CO2 + 8 H2O
CrCl2 + KOH + O2 + H2O = K3[Cr(OH)6] + KCl =>
4 CrCl2 + 20 KOH + O2 + 2 H2O = 4 K3[Cr(OH)6] + 8 KCl
C9H8 + Cr2O7{-2} + H3O{+} = C9H8O4 + Cr{+3} + H2O =>
3 C9H8 + 4 Cr2O7{-2} + 32 H3O{+} = 3 C9H8O4 + 8 Cr{+3} + 48 H2O
Fe(OH)2 + NaOH = Na2FeO2 + H2O =>
Fe(OH)2 + 2 NaOH = Na2FeO2 + 2 H2O
V10O28{6-} + H2SO3 + H{+} = VO{2+} + H2SO4 + H2O =>
V10O28{6-} + 5 H2SO3 + 26 H{+} = 10 VO{2+} + 5 H2SO4 + 13 H2O
P + H2O + KOH = PH3 + K2HPO4 =>
8 P + 6 H2O + 6 KOH = 5 PH3 + 3 K2HPO4
Hg + CuO = HgO + Cu =>
Hg + CuO = HgO + Cu
FeSO4Ba(NO3)2 = BaSO4Fe(NO3)2 =>
FeSO4Ba(NO3)2 = BaSO4Fe(NO3)2
HCl + Ag(C2H3O2) = H(C2H3O2) + AgCl =>
HCl + Ag(C2H3O2) = H(C2H3O2) + AgCl
K2SO4 + BaCl = K2Cl + BaSO4 =>
K2SO4 + BaCl = K2Cl + BaSO4
ZnS + HCl = HS + ZnCl =>
ZnS + HCl = HS + ZnCl
C7H8N(s) + O2(g) = CO2(g) + H2O(g) + NO2(g) =>
C7H8N(s) + 10 O2(g) = 7 CO2(g) + 4 H2O(g) + NO2(g)
Ca3(PO4)2(s) + HCl(aq) = CaCl2 + H3PO4 =>
Ca3(PO4)2(s) + 6 HCl(aq) = 3 CaCl2 + 2 H3PO4
NH3Ba(NO3)2 = Ba(NO3)2NH3 =>
NH3Ba(NO3)2 = Ba(NO3)2NH3
B2O3 + CaF2 + H2(SO)4 = BF3 + Ca(SO)4 + H2O =>
B2O3 + 3 CaF2 + 3 H2(SO)4 = 2 BF3 + 3 Ca(SO)4 + 3 H2O
BaS + O = S + BaO =>
BaS + O = S + BaO
AlCl3 = Al + Cl2 =>
2 AlCl3 = 2 Al + 3 Cl2
HCOOH + NaClO = HClO + HCOONa =>
HCOOH + NaClO = HClO + HCOONa
CO(g) + I2O5 = I2(s) + CO2(g) =>
5 CO(g) + I2O5 = I2(s) + 5 CO2(g)
Al2(CO3)3 + Pb(NO2)4 = Pb(CO3)2 + Al(NO2)3 =>
2 Al2(CO3)3 + 3 Pb(NO2)4 = 3 Pb(CO3)2 + 4 Al(NO2)3
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