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2 CuBr + F2 = 2 CuF + Br2
Sc(s) + O2(g) = Sc2O3 =>
4 Sc(s) + 3 O2(g) = 2 Sc2O3
Al + Ba(OH)2 = Ba + Al(OH)3 =>
2 Al + 3 Ba(OH)2 = 3 Ba + 2 Al(OH)3
K + Pb{2+} = K{+} + Pb =>
2 K + Pb{2+} = 2 K{+} + Pb
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
Li2[Zn(OH)4] + H2SO4 = Zn(OH)2 + Li2SO4 + H2O =>
Li2[Zn(OH)4] + H2SO4 = Zn(OH)2 + Li2SO4 + 2 H2O
(CH2OH)2CHOH + O2 = CO2 + H2O =>
2(CH2OH)2CHOH + 7 O2 = 6 CO2 + 8 H2O
N + O = NO = O2 =>
N + O = NO
Na2S + Cd(NO3)2 = Na2(NO3)2 + SCd =>
Na2S + Cd(NO3)2 = Na2(NO3)2 + SCd
ZnNO3 + H2SO4 = ZnSO4 + NO3H2 =>
ZnNO3 + H2SO4 = ZnSO4 + NO3H2
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
C7H14 + Br2 = C7H14Br2 =>
C7H14 + Br2 = C7H14Br2
C6H4(OH)COONa + H2SO4 = C6H4(OH)COOH + Na2SO4 =>
2 C6H4(OH)COONa + H2SO4 = 2 C6H4(OH)COOH + Na2SO4
CH3CH2NH2 + CH3Br = CH3CH2CH2NH2 + HBr =>
CH3CH2NH2 + CH3Br = CH3CH2CH2NH2 + HBr
Hg(MnO4)2 + Al2(Cr2O7)3 = HgCr2O7 + Al(MnO4)3 =>
3 Hg(MnO4)2 + Al2(Cr2O7)3 = 3 HgCr2O7 + 2 Al(MnO4)3
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
P4S11 + HNO3 + H2O = H3PO4 + H2SO4 + NO =>
3 P4S11 + 86 HNO3 + 8 H2O = 12 H3PO4 + 33 H2SO4 + 86 NO
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Zn(OH)Cl + HNO3 = Zn(NO3)2 + HCl + H2O =>
Zn(OH)Cl + 2 HNO3 = Zn(NO3)2 + HCl + H2O
H2O + Al = Al(OH)3 + H2 =>
6 H2O + 2 Al = 2 Al(OH)3 + 3 H2
Sn + Cl2 = SnCl4 =>
Sn + 2 Cl2 = SnCl4
Cr(OH)3 + NaOH = NaCr(OH)4 =>
Cr(OH)3 + NaOH = NaCr(OH)4
Bi2(CO3)3 + CH3COOH = Bi(CH3COO)3 + H2CO3 =>
Bi2(CO3)3 + 6 CH3COOH = 2 Bi(CH3COO)3 + 3 H2CO3
Fe{+3)+OH{-} = Fe(OH)3 =>
Fe{+3)+3OH{-} = Fe(OH)3
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
SnCl2 + Zn + HCl = SnH4 + ZnCl2 =>
SnCl2 + 3 Zn + 4 HCl = SnH4 + 3 ZnCl2
H3PO4 + Mg = Mg3(PO4)2 + H =>
2 H3PO4 + 3 Mg = Mg3(PO4)2 + 6 H
C6H5COOH + Na = C6H5COONa + H2 =>
2 C6H5COOH + 2 Na = 2 C6H5COONa + H2
(CH3)2NNH2 + N2O4 = CO2 + N2 + H2O =>
(CH3)2NNH2 + 2 N2O4 = 2 CO2 + 3 N2 + 4 H2O
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
Sn(oh)2 + Br2 + NaOH = Na2[Sn(OH)6] + NaBr =>
Sn(oh)2 + 4 Br2 + 12 NaOH = 2 Na2[Sn(OH)6] + 8 NaBr
Fe3O4 + HCl = FeCl2 + H2O + FeCl3 =>
Fe3O4 + 8 HCl = FeCl2 + 4 H2O + 2 FeCl3
MnO4{-} + IO3{-} + H2O = MnO2 + IO4{-} + OH{-} =>
2 MnO4{-} + 3 IO3{-} + H2O = 2 MnO2 + 3 IO4{-} + 2 OH{-}
Fe + HCl(conc) = FeCl + H2 =>
2 Fe + 2 HCl(conc) = 2 FeCl + H2
Li3PO4 + RbOH = Rb3PO4 + LiOH =>
Li3PO4 + 3 RbOH = Rb3PO4 + 3 LiOH
CO + Fe3O4 = CO2 + Fe2 =>
8 CO + 2 Fe3O4 = 8 CO2 + 3 Fe2
K2HPO4 + NaOH = Na2HPO4 + KOH =>
K2HPO4 + 2 NaOH = Na2HPO4 + 2 KOH
(NH4)2CO3 = NH3 + NH4HCO3 =>
(NH4)2CO3 = NH3 + NH4HCO3
Br2 + CCl4 = Cl2 + CBr4 =>
2 Br2 + CCl4 = 2 Cl2 + CBr4
S + H2SO4 = SO2(s) + H2O(g) =>
S + 2 H2SO4 = 3 SO2(s) + 2 H2O(g)
CO2H2O = H2CO3 =>
CO2H2O = H2CO3
Na2SO3 + HCl = NaCl + H2SO3 =>
Na2SO3 + 2 HCl = 2 NaCl + H2SO3
HCl + K2SO3 = KCl + H2SO3 =>
2 HCl + K2SO3 = 2 KCl + H2SO3
TiO2 + C + Cl2 = TiCl4 + CO2 =>
TiO2 + C + 2 Cl2 = TiCl4 + CO2
HC2H + O2 = CO2 + H =>
HC2H + 2 O2 = 2 CO2 + 2 H
H2Co3 = Co2 + H2 =>
2 H2Co3 = 3 Co2 + 2 H2
KMnO4 + Sn(OH)2 + KOH = MnO2 + K2SnO3 + H2O =>
2 KMnO4 + 3 Sn(OH)2 + 4 KOH = 2 MnO2 + 3 K2SnO3 + 5 H2O
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
NH4OH + NaOH = NH4Na + H2O2 =>
NH4OH + NaOH = NH4Na + H2O2
(CuSO4*5H2O) + NaOH = Na2SO4 + Cu(OH)2 + H2O =>
(CuSO4*5H2O) + 2 NaOH = Na2SO4 + Cu(OH)2 + 5 H2O
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