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F2 = 2 F1
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
CaSO4 + NH4OH = Ca(OH)2 + (NH4)2SO4 =>
CaSO4 + 2 NH4OH = Ca(OH)2 + (NH4)2SO4
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
(NH4)2HPO4 = NH4H2PO4 + NH3 =>
(NH4)2HPO4 = NH4H2PO4 + NH3
(NH4)2SO3 + H2SO4 = (NH4)2SO4 + SO2 + H2O =>
(NH4)2SO3 + H2SO4 = (NH4)2SO4 + SO2 + H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Al(s) + FeO(s) = Al2O3(s) + Fe(s) =>
2 Al(s) + 3 FeO(s) = Al2O3(s) + 3 Fe(s)
Fe + C = FeC =>
Fe + C = FeC
LiSO4 + BaNO3 = LiNO3 + BaSO4 =>
LiSO4 + BaNO3 = LiNO3 + BaSO4
Mg(HCO3) + HNO3 = CO2 + H2O + MgNO3 =>
Mg(HCO3) + HNO3 = CO2 + H2O + MgNO3
Na2SO3 + H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 Na2SO3 + 4 H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 4 H2O
NaOH + CaCl{+2} = CaOH{2} + NaCl =>
NaOH + CaCl{+2} = CaOH{2} + NaCl
C5H11NO2 + O2 = CO2 + H2O + N2 =>
4 C5H11NO2 + 27 O2 = 20 CO2 + 22 H2O + 2 N2
KNO3 + NaNO3 = KNa + NO3 =>
KNO3 + NaNO3 = KNa + 2 NO3
FeCl2 + H2O2 = Fe(OH)2 + Cl2 =>
FeCl2 + H2O2 = Fe(OH)2 + Cl2
F2 + NaOH = NaF + OF2 + H2O =>
2 F2 + 2 NaOH = 2 NaF + OF2 + H2O
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
PbCl2 + Fe2S3 = PbS + FeCl3 =>
3 PbCl2 + Fe2S3 = 3 PbS + 2 FeCl3
CH3NH2 + Br2 = CH2BrNH2 + HBr =>
CH3NH2 + Br2 = CH2BrNH2 + HBr
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
H{+} + HNO2 + S2O3{2-} = NO + S4O6{2-} + H2O =>
2 H{+} + 2 HNO2 + 2 S2O3{2-} = 2 NO + S4O6{2-} + 2 H2O
C6H5NO2 + KOH = C6H5OH + KNO2 =>
C6H5NO2 + KOH = C6H5OH + KNO2
AgNo3Pb(No3)2 = Ag(No3)2PbNo3 =>
AgNo3Pb(No3)2 = Ag(No3)2PbNo3
Br2 + KI = KBr2 + I2 =>
2 Br2 + 2 KI = 2 KBr2 + I2
PbSH2O2 = PbH2SO2 =>
PbSH2O2 = PbH2SO2
S + Na2SO4 = NaS + SO4 =>
2 S + Na2SO4 = 2 NaS + SO4
C6H10O5H2O = C2H5OHCO2 =>
C6H10O5H2O = 2 C2H5OHCO2
PbO2 + HCl = PbCl2Cl2 + H2O =>
PbO2 + 4 HCl = PbCl2Cl2 + 2 H2O
NaBr + Cl2 = Na2Cl + Br =>
4 NaBr + Cl2 = 2 Na2Cl + 4 Br
Br2 + KI = KBr2 + I2 =>
2 Br2 + 2 KI = 2 KBr2 + I2
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
NaCrO4 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 NaCrO4 + 4 NaNO2 + 4 H2SO4 = 4 NaNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
Pb(NO3)2 + KI = PbKI(NO3)2 =>
Pb(NO3)2 + KI = PbKI(NO3)2
CuSCN + IO3{-} + Cl2 + H2O = ICl2{-} + SO4{2-} + HCN + Cu{2+} =>
6 CuSCN + 7 IO3{-} + 7 Cl2 + 3 H2O = 7 ICl2{-} + 6 SO4{2-} + 6 HCN + 6 Cu{2+}
NaBr + AgNO3 = AgBr + NaNO3 =>
NaBr + AgNO3 = AgBr + NaNO3
CrOO2 = CrO3 =>
CrOO2 = CrO3
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
B2O3 + H2O = B(OH)3 =>
B2O3 + 3 H2O = 2 B(OH)3
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
HI + Cd = H2 + CdI =>
2 HI + 2 Cd = H2 + 2 CdI
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
Fe + HF = FeF2 + H =>
Fe + 2 HF = FeF2 + 2 H
AlCl3 + H2(SO4) = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2(SO4) = Al2(SO4)3 + 6 HCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
HClMg(OH)2 = H(OH)2MgCl =>
HClMg(OH)2 = H(OH)2MgCl
HIO3 + Pb(OH)2 = Pb(IO3)2 + H2O =>
2 HIO3 + Pb(OH)2 = Pb(IO3)2 + 2 H2O
NaHSO3 + H2SO4 = Na2SO4 + SO2 + H2O =>
2 NaHSO3 + H2SO4 = Na2SO4 + 2 SO2 + 2 H2O
AgNO3 + C5H5N = Ag + (C5H5N)NO3 =>
AgNO3 + C5H5N = Ag + (C5H5N)NO3
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