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P2O5 + 3 H2O = 2 H3PO4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaOH + Ca(HCO3)2 = H2O + CaCO3 + Na2CO3 =>
2 NaOH + Ca(HCO3)2 = 2 H2O + CaCO3 + Na2CO3
SnCl2 + HgNO3 = Sn(NO3)2 + Hg2Cl2 =>
SnCl2 + 2 HgNO3 = Sn(NO3)2 + Hg2Cl2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Cr2O7 + H = Cr + H2O =>
Cr2O7 + 14 H = 2 Cr + 7 H2O
Fe3O4 + CO = FeO + CO2 =>
Fe3O4 + CO = 3 FeO + CO2
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
PbCl2 = Pb + Cl =>
PbCl2 = Pb + 2 Cl
Fe3 + H2O = Fe2O3 + H =>
2 Fe3 + 9 H2O = 3 Fe2O3 + 18 H
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C3H5(NO3)3 = N2 + O2 + H2O + CO2 =>
4 C3H5(NO3)3 = 6 N2 + O2 + 10 H2O + 12 CO2
CS + O2 = SO2 + CO2 =>
CS + 2 O2 = SO2 + CO2
NH3 + Cl2 = NH4Cl + N2 =>
8 NH3 + 3 Cl2 = 6 NH4Cl + N2
NH3NO2 = N2 + H2O + NO =>
4 NH3NO2 = 3 N2 + 6 H2O + 2 NO
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
Fe + AgCH3COO = Fe(CH3COO)2 + Ag =>
Fe + 2 AgCH3COO = Fe(CH3COO)2 + 2 Ag
C2H2 + O2(g) = CO2 + H2O =>
2 C2H2 + 5 O2(g) = 4 CO2 + 2 H2O
K + O2 = K2O2 =>
2 K + O2 = K2O2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
S + CO = SO2 + C =>
S + 2 CO = SO2 + 2 C
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
H2O + HBr = Br + H3O =>
H2O + HBr = Br + H3O
H2SO3 + IO3{-} + I{-} = I2 + SO3{2-} + H2O =>
3 H2SO3 + IO3{-} + 5 I{-} = 3 I2 + 3 SO3{2-} + 3 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
(NH4)2Cr2O7 = Cr2O3 + H2O + N2 =>
(NH4)2Cr2O7 = Cr2O3 + 4 H2O + N2
CO + H2 = CH4 + H2O =>
CO + 3 H2 = CH4 + H2O
HCl + Mg(OH)2 = H2O + MgCl2 =>
2 HCl + Mg(OH)2 = 2 H2O + MgCl2
Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(cr) + KCH3COO(aq) =>
Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(cr) + 2 KCH3COO(aq)
MnO4{-)+Cl{-}+H{+} = Mn{2+}+Cl2+H2O =>
2 MnO4{-)+10Cl{-}+16H{+} = 2 Mn{2+}+5Cl2+8H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
C6H4 + O2 = CO2 + H2O =>
C6H4 + 7 O2 = 6 CO2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
MnO4{-} + Cl{-} + H{+} = Mn{2+} + Cl2 + H2O =>
2 MnO4{-} + 10 Cl{-} + 16 H{+} = 2 Mn{2+} + 5 Cl2 + 8 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CaCO3 + HCl = CaCl2 + H2O + CO2(g) =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2(g)
Na2SO3 + KMnO4 + H2SO4 = Na2SO4 + MnSO4 + H2O + K2SO4 =>
5 Na2SO3 + 2 KMnO4 + 3 H2SO4 = 5 Na2SO4 + 2 MnSO4 + 3 H2O + K2SO4
BaCl2 + AgNO3 = BaNO3 + AgCl2 =>
BaCl2 + AgNO3 = BaNO3 + AgCl2
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
KHCO2 + H3PO4 = K2HPO4 + H20 + CO2 =>
10 KHCO2 + 5 H3PO4 = 5 K2HPO4 + H20 + 10 CO2
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