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Fe2O3 + 3 CO = 2 Fe + 3 CO2
Na2CO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2O + 3 CO2
NO2 + Cr2O7 = Cr + NO3 =>
7 NO2 + Cr2O7 = 2 Cr + 7 NO3
Ca3(Po4)2 + H3Po4 = Ca(H2Po4)2 =>
Ca3(Po4)2 + 4 H3Po4 = 3 Ca(H2Po4)2
AgNO3 + Li = LiNO3 + Ag =>
AgNO3 + Li = LiNO3 + Ag
NH2CH2COOH + NaOH = NH2CH2COONa + H2O =>
NH2CH2COOH + NaOH = NH2CH2COONa + H2O
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
Cr2O3 + Al = Al2O3 + Cr =>
Cr2O3 + 2 Al = Al2O3 + 2 Cr
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Cl2 + Ca3P2 + H2O = Ca3(PO4)2 + HCl =>
8 Cl2 + Ca3P2 + 8 H2O = Ca3(PO4)2 + 16 HCl
Si(OH)4 + NaBr = SiBr4 + NaOH =>
Si(OH)4 + 4 NaBr = SiBr4 + 4 NaOH
CH3NH2 + H2O = CH3NH3 + OH =>
CH3NH2 + H2O = CH3NH3 + OH
FeCl3 + NH4OH = NH4Cl + Fe(OH)3 =>
FeCl3 + 3 NH4OH = 3 NH4Cl + Fe(OH)3
Cl2 + NaBr = NaCl2 + Br2 =>
2 Cl2 + 2 NaBr = 2 NaCl2 + Br2
HCN + O2 = N2 + CO2 + H20 =>
20 HCN + 20 O2 = 10 N2 + 20 CO2 + H20
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Al2S3 + HCl = AlCl3 + H2S =>
Al2S3 + 6 HCl = 2 AlCl3 + 3 H2S
Ag + HNO3 = NO + H2O + AgNO3 =>
3 Ag + 4 HNO3 = NO + 2 H2O + 3 AgNO3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Zn + HCl = ZnCl + H =>
Zn + HCl = ZnCl + H
ZnO + NaOH = Na2ZnO2 + H2O =>
ZnO + 2 NaOH = Na2ZnO2 + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Zn + CuCl2 = Cu + ZnCl =>
2 Zn + CuCl2 = Cu + 2 ZnCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
BrO{-} + Fe(OH)3 + OH({-}) = Br{-} + FeO4{2-} + H2O =>
3 BrO{-} + 2 Fe(OH)3 + 4 OH({-}) = 3 Br{-} + 2 FeO4{2-} + 5 H2O
Na3PO4 + Ba(NO3)2 = NaNO3 + Ba3(PO4)2 =>
2 Na3PO4 + 3 Ba(NO3)2 = 6 NaNO3 + Ba3(PO4)2
Zn + HCl = H2 + ZnCl =>
2 Zn + 2 HCl = H2 + 2 ZnCl
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
FeCl3(aq) + Na2CO3(aq) = Fe2(CO3)3 + NaCl =>
2 FeCl3(aq) + 3 Na2CO3(aq) = Fe2(CO3)3 + 6 NaCl
Pb(OH)2 + NaOH = Na2PbO2 + H2O =>
Pb(OH)2 + 2 NaOH = Na2PbO2 + 2 H2O
Cu(NO3)2 + NaOH = NaNO3 + Cu(OH)2 =>
Cu(NO3)2 + 2 NaOH = 2 NaNO3 + Cu(OH)2
Al2(So4)3 + Ca(oh)2 = Al(oh)3 + CaSo4 =>
6 Al2(So4)3 + 9 Ca(oh)2 = 4 Al(oh)3 + 18 CaSo4
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
NO2(g) + O2(g) = N2O5(g) =>
4 NO2(g) + O2(g) = 2 N2O5(g)
SiF4 + H2O = HF + Si(OH)4 =>
SiF4 + 4 H2O = 4 HF + Si(OH)4
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
H{+} + Cu + NO3{-} = Cu{3+} + NO + H2O =>
4 H{+} + Cu + NO3{-} = Cu{3+} + NO + 2 H2O
C7H8O2 + O2 = CO2 + H2O =>
C7H8O2 + 8 O2 = 7 CO2 + 4 H2O
MgCO3 + ZnCl2 = ZnCO3 + MgCl2 =>
MgCO3 + ZnCl2 = ZnCO3 + MgCl2
CH3COOH + Fe = Fe(CH3COO)2 + H2 =>
2 CH3COOH + Fe = Fe(CH3COO)2 + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HCl + Mg(OH)2 = MgCl2 + H2O =>
2 HCl + Mg(OH)2 = MgCl2 + 2 H2O
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
O2 + C5H12 = CO2 + H2O =>
8 O2 + C5H12 = 5 CO2 + 6 H2O
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
CH3COOC2H5 + O2 = CO2 + H2O =>
CH3COOC2H5 + 5 O2 = 4 CO2 + 4 H2O
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