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20 Na = Na20
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
BaSO4 + C = BaSO3 + CO =>
BaSO4 + C = BaSO3 + CO
CCl + O2 = CO2Cl =>
CCl + O2 = CO2Cl
C8H9Br + KOH = C8H8 + KBr + H2O =>
C8H9Br + KOH = C8H8 + KBr + H2O
AlCl3 + O2 = Al2O3 + ClO =>
4 AlCl3 + 9 O2 = 2 Al2O3 + 12 ClO
MnCl2 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + NaNO3 + Cl + H2O =>
2 MnCl2 + 7 NaBiO3 + 28 HNO3 = 2 HMnO4 + 7 Bi(NO3)3 + 7 NaNO3 + 4 Cl + 13 H2O
Na2S + H2O2 = H2O + Na2SO4 =>
Na2S + 4 H2O2 = 4 H2O + Na2SO4
HAsO2 + BrO3 + H2O = H2AsO4 + Br =>
2 HAsO2 + BrO3 + H2O = 2 H2AsO4 + Br
C3H6O2 + C4H9OH = C7H14O2 + H2O =>
C3H6O2 + C4H9OH = C7H14O2 + H2O
H26 + SO2 = S + HO4 =>
H26 + 52 SO2 = 52 S + 26 HO4
MnO4{-}(aq) + F{-}(aq) + H{+}(aq) = MnO2(s) + F2(aq) + H2O(l) =>
2 MnO4{-}(aq) + 6 F{-}(aq) + 8 H{+}(aq) = 2 MnO2(s) + 3 F2(aq) + 4 H2O(l)
Zn0 + H2SO4 = ZnSO4 + H =>
Zn0 + H2SO4 = ZnSO4 + 2 H
N2(g) + H2(g) + O2(g) + C(s) = NH2CH2COOH =>
N2(g) + 5 H2(g) + 2 O2(g) + 4 C(s) = 2 NH2CH2COOH
Cl2 + NH4OH + OH{-} = N2 + Cl{-} + H2O =>
3 Cl2 + 2 NH4OH + 6 OH{-} = N2 + 6 Cl{-} + 8 H2O
Na2S + HNO3 = Na2SO4 + NO2 + H2O =>
Na2S + 8 HNO3 = Na2SO4 + 8 NO2 + 4 H2O
Sr + O2 = SrO =>
2 Sr + O2 = 2 SrO
Fe + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 6 H2O
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
HCl + OAc = Cl + HOAc =>
HCl + OAc = Cl + HOAc
N = N2 =>
2 N = N2
Fe + H2O = Fe3O4 + H2 = =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
C6H5OH + CH4 = C6H4CH3OH + H =>
C6H5OH + CH4 = C6H4CH3OH + 2 H
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Ca + (PO4)3 = Ca3(PO4)2 =>
9 Ca + 2(PO4)3 = 3 Ca3(PO4)2
[Co(NH3)6]Cl2 + NH4Cl + O2 = [Co(NH3)6]Cl3 + H2O + NH3 =>
4[Co(NH3)6]Cl2 + 4 NH4Cl + O2 = 4[Co(NH3)6]Cl3 + 2 H2O + 4 NH3
FeC202*2H2O(s) + O2(g) = Fe2O3(s) + H2O(g) + CO2(g) =>
4 FeC202*2H2O(s) + 811 O2(g) = 2 Fe2O3(s) + 8 H2O(g) + 808 CO2(g)
C9H120 + O2 = C + H2O =>
C9H120 + 30 O2 = 9 C + 60 H2O
Zn*CuSO4 = ZnSO4 + Cu =>
Zn*CuSO4 = ZnSO4 + Cu
Na2CO3(aq) + MgSO4(aq) = MgCO3(s) + Na2SO4(s) =>
Na2CO3(aq) + MgSO4(aq) = MgCO3(s) + Na2SO4(s)
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
HCI + K2S = H2S + KCI =>
2 HCI + K2S = H2S + 2 KCI
Cu(OH)2 + C6H8O6 = Cu + C6H6O6 + H2O =>
Cu(OH)2 + C6H8O6 = Cu + C6H6O6 + 2 H2O
Na2CO3 + CrBr3 = Cr2(CO3)3 + NaBr =>
3 Na2CO3 + 2 CrBr3 = Cr2(CO3)3 + 6 NaBr
V2O5 + H2SO4 + H2O + C2H6O = VH8O9S + C2H4O =>
V2O5 + 2 H2SO4 + 5 H2O + C2H6O = 2 VH8O9S + C2H4O
NaH(CO3) + H2SO4 = Na2SO4 + CO2 + H2O =>
2 NaH(CO3) + H2SO4 = Na2SO4 + 2 CO2 + 2 H2O
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
K2 + N2 = KN =>
K2 + N2 = 2 KN
PB(NO3)2 = NO2 + O2 + PBO =>
2 PB(NO3)2 = 4 NO2 + O2 + 2 PBO
C18H36O2 + C4H10O = C22H44O2 + H2O =>
C18H36O2 + C4H10O = C22H44O2 + H2O
Fe + Na = FeNa2 =>
Fe + 2 Na = FeNa2
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Mn + Br = MnBr =>
Mn + Br = MnBr
Mn + Br = MnBr2 =>
Mn + 2 Br = MnBr2
Mn + Br = MnBr4 =>
Mn + 4 Br = MnBr4
NH4I + H2SO4 = (NH4)2SO4 + HI =>
2 NH4I + H2SO4 = (NH4)2SO4 + 2 HI
NaOH + H2S + O4 = NaSO4 + H2O =>
8 NaOH + 8 H2S + 9 O4 = 8 NaSO4 + 12 H2O
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Al{3+} + P{-3} = AlP =>
Al{3+} + P{-3} = AlP
Fe3{+} + e = Fe =>
Fe3{+} + e = 3 Fe
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