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2 HBr = Br2 + H2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Mg + H2CrO4 = MgCrO4 + H2 =>
Mg + H2CrO4 = MgCrO4 + H2
MnO4{-} + Cl{-} + H2O = Mn{2+} + ClO{-} + OH{-} =>
2 MnO4{-} + 5 Cl{-} + 3 H2O = 2 Mn{2+} + 5 ClO{-} + 6 OH{-}
Al + NaOH = Al(OH)3 + Na3 =>
Al + 3 NaOH = Al(OH)3 + Na3
CuSO4 + PbCl2 = CuCl2 + Pb2(SO4)2 =>
2 CuSO4 + 2 PbCl2 = 2 CuCl2 + Pb2(SO4)2
C6H5Br + Mg + CO2 + HCl = C7H6O2 + Mg{+2} + Br{-} + Cl{-} =>
C6H5Br + Mg + CO2 + HCl = C7H6O2 + Mg{+2} + Br{-} + Cl{-}
PbO2 + CO = Pb + CO2 =>
PbO2 + 2 CO = Pb + 2 CO2
AgCl + KClO4 = AgClO4 + KCl =>
AgCl + KClO4 = AgClO4 + KCl
NH4(OH) + H2SO4 = (NH4)2(SO4) + H2O =>
2 NH4(OH) + H2SO4 = (NH4)2(SO4) + 2 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Fe + S = Fe(S)2 =>
Fe + 2 S = Fe(S)2
H2O + BaCl2 = BaO + HCl =>
H2O + BaCl2 = BaO + 2 HCl
BaCl2 + CaCO3 = CaCl2 + BaCO3 =>
BaCl2 + CaCO3 = CaCl2 + BaCO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KI + Pb(CH3COO)2 = PbI2 + CH3CO2K =>
2 KI + Pb(CH3COO)2 = PbI2 + 2 CH3CO2K
Ba + CO2 = BaO + C =>
2 Ba + CO2 = 2 BaO + C
Ge2O3 + HCl = GeCl3 + H2O =>
Ge2O3 + 6 HCl = 2 GeCl3 + 3 H2O
K2S(aq) + ZnCl2(aq) = ZnS(s) + KCl(aq) =>
K2S(aq) + ZnCl2(aq) = ZnS(s) + 2 KCl(aq)
BaCO3 + HCl = BaCl2 + H2O + CO2 =>
BaCO3 + 2 HCl = BaCl2 + H2O + CO2
Na2SO3 + Ba(NO3)2 = Na2(NO3)2 + BaSO3 =>
Na2SO3 + Ba(NO3)2 = Na2(NO3)2 + BaSO3
Mg(s) + NaOH(aq) = Mg(OH)2(s) + Na(aq) =>
Mg(s) + 2 NaOH(aq) = Mg(OH)2(s) + 2 Na(aq)
C2H5NH2 + HBr = CH3CH2Br + NH3 =>
C2H5NH2 + HBr = CH3CH2Br + NH3
NaNO2 + H2SO4 = Na2SO4 + NaNO3 + NO + H2O =>
3 NaNO2 + H2SO4 = Na2SO4 + NaNO3 + 2 NO + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CO2 + KOH = KCO2OH =>
CO2 + KOH = KCO2OH
KCN + H2SO4 = K2SO4 + HCN =>
2 KCN + H2SO4 = K2SO4 + 2 HCN
Al + Ag{+} = Al{3+} + Ag =>
Al + 3 Ag{+} = Al{3+} + 3 Ag
Al + H2O2 = Al2O3 + H2 =>
4 Al + 3 H2O2 = 2 Al2O3 + 3 H2
N + H2O = NOH + H2 =>
2 N + 2 H2O = 2 NOH + H2
C10H16N2O8 + NaOH = C10H12N2O8Na4*H2O + H2O =>
C10H16N2O8 + 4 NaOH = C10H12N2O8Na4*H2O + 3 H2O
HCl + K(MnO4) = KCl + MnCl2 + Cl2 + H2O =>
16 HCl + 2 K(MnO4) = 2 KCl + 2 MnCl2 + 5 Cl2 + 8 H2O
NaOH + HCO3{-} = NaCO3{-} + H2O =>
NaOH + HCO3{-} = NaCO3{-} + H2O
S{2-} + I2 + H2O = SO4{2-} + I{-} + H{+} =>
S{2-} + 4 I2 + 4 H2O = SO4{2-} + 8 I{-} + 8 H{+}
Ga + H2 = GaH3 =>
2 Ga + 3 H2 = 2 GaH3
C5H11OH + CH3CO2H = C7H14O2 + H2O =>
C5H11OH + CH3CO2H = C7H14O2 + H2O
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
HI(aq) + Cu(NO3)2(aq) = CuI2(aq) + HNO3(aq) =>
2 HI(aq) + Cu(NO3)2(aq) = CuI2(aq) + 2 HNO3(aq)
BaCO3 + HC2H3O2 = Ba + H2O + CO2 =>
4 BaCO3 + HC2H3O2 = 4 Ba + 2 H2O + 6 CO2
SO2(g) + Ca(OH)2(s) + O2(g) = CaSO4(s) + H2O(g) =>
2 SO2(g) + 2 Ca(OH)2(s) + O2(g) = 2 CaSO4(s) + 2 H2O(g)
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
K3[Fe(CN)6] + NH4SCN = KSCN + (NH4)3Fe(CN)6 =>
K3[Fe(CN)6] + 3 NH4SCN = 3 KSCN + (NH4)3Fe(CN)6
He + H2O = HeH2O =>
He + H2O = HeH2O
H2 + CUO = CUH2O =>
H2 + CUO = CUH2O
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + K2SO4 + 3 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
H{+} + IO3{-} + e = I2 + H2O =>
12 H{+} + 2 IO3{-} + 10e = I2 + 6 H2O
H2SO4 + CUCl2 = CUSO4 + HCl =>
H2SO4 + CUCl2 = CUSO4 + 2 HCl
MnO3 + Mg(OH)2 + AuCl3 = AuCl + MgCl2 + Mg(MnO4)2 + H2O =>
2 MnO3 + 2 Mg(OH)2 + AuCl3 = AuCl + MgCl2 + Mg(MnO4)2 + 2 H2O
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