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2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Fe + HCl = FeCl + H2 =>
2 Fe + 2 HCl = 2 FeCl + H2
Pb(ClO3)2 + KI = PbI2 + KClO3 =>
Pb(ClO3)2 + 2 KI = PbI2 + 2 KClO3
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
Al + O = Al2O3 =>
2 Al + 3 O = Al2O3
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
HBrO3 + NaOH = H2O + NaBrO3 =>
HBrO3 + NaOH = H2O + NaBrO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
HClO4 + NaOH = H2O + NaClO4 =>
HClO4 + NaOH = H2O + NaClO4
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
NO3{-} + S{2-} + H{+} = NO + S + H2O =>
2 NO3{-} + 3 S{2-} + 8 H{+} = 2 NO + 3 S + 4 H2O
Cu + AgNO3 = CuNO3 + Ag =>
Cu + AgNO3 = CuNO3 + Ag
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Pb(ClO3)2 + KI = PbI2 + (ClO3)K =>
Pb(ClO3)2 + 2 KI = PbI2 + 2(ClO3)K
Pb(ClO3)2 + KI = PbI2 + KClO3 =>
Pb(ClO3)2 + 2 KI = PbI2 + 2 KClO3
BaCO3 = Ba2 + CO3 =>
2 BaCO3 = Ba2 + 2 CO3
Br2 + FeI3 = BrI + Fe3 =>
9 Br2 + 6 FeI3 = 18 BrI + 2 Fe3
C2H6 + O2 = CO2 + H20 =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20
BaCl2 + H2SO4 = Ba(SO4) + HCl =>
BaCl2 + H2SO4 = Ba(SO4) + 2 HCl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Mg(s) + FeCl3(aq) = Fe(s) + MgCl2 =>
3 Mg(s) + 2 FeCl3(aq) = 2 Fe(s) + 3 MgCl2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
K2Cr2O7 + H2SO4 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 CH3CH2OH = Cr2(SO4)3 + 7 H2O + 3 CH3CHO + K2SO4
Li2SO4 + BaCl2 = LiCl + Ba(SO4) =>
Li2SO4 + BaCl2 = 2 LiCl + Ba(SO4)
F2 + KCl = FCl2 + K =>
F2 + 4 KCl = 2 FCl2 + 4 K
Sn + Ag = SnAg =>
Sn + Ag = SnAg
Sn + S = SnS =>
Sn + S = SnS
Ni + FeSO4 = Ni(SO4) + Fe =>
Ni + FeSO4 = Ni(SO4) + Fe
Ag + S = AgS =>
Ag + S = AgS
Sr + N2 = SrN =>
2 Sr + N2 = 2 SrN
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
BaCl + NaSO4 = BaSO4 + NaCl =>
BaCl + NaSO4 = BaSO4 + NaCl
CoBr2 = Co2 + Br =>
2 CoBr2 = Co2 + 4 Br
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
AlCl3 + Pb(NO3)2 = Al(NO3)3 + PbCl2 =>
2 AlCl3 + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 PbCl2
HCl + ZnCO3 = ZnCl2 + H2O + CO2 =>
2 HCl + ZnCO3 = ZnCl2 + H2O + CO2
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