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2 H2 + O2 = 2 H2O
Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
CaCl2 + NaOH = NaCl + Ca(OH)2 =>
CaCl2 + 2 NaOH = 2 NaCl + Ca(OH)2
O2 + Mg = MgO =>
O2 + 2 Mg = 2 MgO
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Al(OH)4{-} + H2SO4 = Al(OH)3 + H2O + SO4{2-} =>
2 Al(OH)4{-} + H2SO4 = 2 Al(OH)3 + 2 H2O + SO4{2-}
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
BaCO3 + HNO3 = Ba + H2CO3 + NO3 =>
BaCO3 + 2 HNO3 = Ba + H2CO3 + 2 NO3
MgCO3(s) = MgO(s) + CO2(g) =>
MgCO3(s) = MgO(s) + CO2(g)
Al(OH)3 + HC2H3O2 = Al(C2H3O2)3 + HOH =>
Al(OH)3 + 3 HC2H3O2 = Al(C2H3O2)3 + 3 HOH
CaCl2 + H2SO4 = HCl + CaSO4 =>
CaCl2 + H2SO4 = 2 HCl + CaSO4
Cu + Cl = CuCl2 =>
Cu + 2 Cl = CuCl2
HBr + Ba(OH)2 = Ba(Br)2 + H2O =>
2 HBr + Ba(OH)2 = Ba(Br)2 + 2 H2O
MgCO3(s) = MgO(s) + CO2(g) =>
MgCO3(s) = MgO(s) + CO2(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
(MnO4){-} + I{-} + (H3O){+} = (Mn)2{+} + I2 + H2O =>
4(MnO4){-} + 26 I{-} + 32(H3O){+} = 2(Mn)2{+} + 13 I2 + 48 H2O
MnO4 + CN = CNO + MnO2 =>
MnO4 + 2 CN = 2 CNO + MnO2
(MnO4){-} + I{-} + (H3O){+} = (Mn2){+} + I2 + H2O =>
4(MnO4){-} + 26 I{-} + 32(H3O){+} = 2(Mn2){+} + 13 I2 + 48 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
(MnO4){-} + I{-} + (H3O){+} = (Mn){2+} + I2 + H2O =>
2(MnO4){-} + 10 I{-} + 16(H3O){+} = 2(Mn){2+} + 5 I2 + 24 H2O
C3H8O3 + O2 = H2O + CO2 =>
2 C3H8O3 + 7 O2 = 8 H2O + 6 CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Ba(OH)2 + H2SO4 = H2O + BaSO4 =>
Ba(OH)2 + H2SO4 = 2 H2O + BaSO4
Sn + Cu(NO3)2 = Sn(NO3)2 + Cu =>
Sn + Cu(NO3)2 = Sn(NO3)2 + Cu
(BrO3){-} + N2H4 = Br{-} + N2 + H2O =>
2(BrO3){-} + 3 N2H4 = 2 Br{-} + 3 N2 + 6 H2O
NH3 + O2 = NO + H20 =>
20 NH3 + 10 O2 = 20 NO + 3 H20
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
AgNO3 + Na2CrO4 = Ag2CrO4 + NaNO3 =>
2 AgNO3 + Na2CrO4 = Ag2CrO4 + 2 NaNO3
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Fe{2+} + VO4{3-} + H3O{+} = VO{2+} + Fe{3+} + H2O =>
Fe{2+} + VO4{3-} + 6 H3O{+} = VO{2+} + Fe{3+} + 9 H2O
SeO2 + NaOH = Na2SeO3 + H2O =>
SeO2 + 2 NaOH = Na2SeO3 + H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Na3PO4 + ZnCl2 = NaCl + Zn3(PO4)2 =>
2 Na3PO4 + 3 ZnCl2 = 6 NaCl + Zn3(PO4)2
PbCO3 + HNO3 = Pb + H2CO3 + NO3 =>
PbCO3 + 2 HNO3 = Pb + H2CO3 + 2 NO3
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
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