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2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Al{3+} + CO3{2-} = Al2(CO3)3 =>
2 Al{3+} + 3 CO3{2-} = Al2(CO3)3
C + O2 = CO2 =>
C + O2 = CO2
H2SO3BaO = BaSO3H2O =>
H2SO3BaO = BaSO3H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
AgNO2 + Ti(CO3)2 = Ag2CO3 + Ti(NO2)4 =>
4 AgNO2 + Ti(CO3)2 = 2 Ag2CO3 + Ti(NO2)4
SnCl2 + HgCl2 + HCl = Hg + H2SnCl6 =>
SnCl2 + HgCl2 + 2 HCl = Hg + H2SnCl6
As2Se3 + HNO3 + H2O = H3AsO4 + H2SeO4 + NO =>
3 As2Se3 + 28 HNO3 + 4 H2O = 6 H3AsO4 + 9 H2SeO4 + 28 NO
HgO(s) = Hg1 + O2(g) =>
2 HgO(s) = 2 Hg1 + O2(g)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
As2S3 + O2 = As2O3 + SO2 =>
2 As2S3 + 9 O2 = 2 As2O3 + 6 SO2
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
C7H16 + Br2 = C7H14Br2 + H2 =>
C7H16 + Br2 = C7H14Br2 + H2
K2CO3 + H2SO4 = K2SO4 + H2CO3 =>
K2CO3 + H2SO4 = K2SO4 + H2CO3
CrI3 + Cl2 + NaOH = NaIO4 + NaCl + Na2CrO4 + H2O =>
2 CrI3 + 27 Cl2 + 64 NaOH = 6 NaIO4 + 54 NaCl + 2 Na2CrO4 + 32 H2O
Fe(iii) + Cl2 = FeCl3 =>
2 Fe(iii) + 3 Cl2 = 2 FeCl3
Zn + SO2 = ZnO + S =>
2 Zn + SO2 = 2 ZnO + S
CH3COOH + ZnCO3 = Zn(CH3COO) + H2O + CO2 =>
9 CH3COOH + 8 ZnCO3 = 8 Zn(CH3COO) + 6 H2O + 10 CO2
CaCO3HClO3 = CO2OHCaClO3 =>
CaCO3HClO3 = CO2OHCaClO3
KI + K5IO6 + H2SO4 = I2 + K2SO4 + H2O =>
7 KI + K5IO6 + 6 H2SO4 = 4 I2 + 6 K2SO4 + 6 H2O
H2CO3 + Ca(OH)2 = CaCO3 + H2O =>
H2CO3 + Ca(OH)2 = CaCO3 + 2 H2O
NaOH + FeSO4 = Na2SO4 + Fe(OH)2 =>
2 NaOH + FeSO4 = Na2SO4 + Fe(OH)2
LiOH + S = Li2S + OH =>
2 LiOH + S = Li2S + 2 OH
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
P4 = P =>
P4 = 4 P
V + HCl + HNO3 = H3[VCl6] + NO2 + H2O =>
V + 6 HCl + 3 HNO3 = H3[VCl6] + 3 NO2 + 3 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
CO + Cl2 + NaOH = NaCl + Na2CO3 + H2O =>
CO + Cl2 + 4 NaOH = 2 NaCl + Na2CO3 + 2 H2O
C7H16 + Br2 = C7H15 + HBr =>
2 C7H16 + Br2 = 2 C7H15 + 2 HBr
Bi2O3 + Cu2O + O2 = CuBi2O4 =>
4 Bi2O3 + 2 Cu2O + O2 = 4 CuBi2O4
Li3PO4 + Ca(SCN)2 = Ca3(PO4)2 + LiSCN =>
2 Li3PO4 + 3 Ca(SCN)2 = Ca3(PO4)2 + 6 LiSCN
HClO3 + HCl = H2O + Cl2 =>
HClO3 + 5 HCl = 3 H2O + 3 Cl2
Pb(NO3)2 + HCl = PbCl2 + HNO3 =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 HNO3
Fe(s) + O2(g) = Fe3O4(s) = =>
3 Fe(s) + 2 O2(g) = Fe3O4(s)
Pb + NaCl = PbCl2 + Na =>
Pb + 2 NaCl = PbCl2 + 2 Na
HCl + BaSO3 = BaCl2 + SO2 + H2O =>
2 HCl + BaSO3 = BaCl2 + SO2 + H2O
NO = N2O + NO2 =>
3 NO = N2O + NO2
H2SO4 + H2O = H4SO5 =>
H2SO4 + H2O = H4SO5
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CaO + NH4Cl = NH3 + H2O + CaCl2 =>
CaO + 2 NH4Cl = 2 NH3 + H2O + CaCl2
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
Ca + SO2 = Ca3S4 + O2 =>
3 Ca + 4 SO2 = Ca3S4 + 4 O2
KNO3 + C12H22O11 = N2 + CO2 + H2O + K2CO3 =>
48 KNO3 + 5 C12H22O11 = 24 N2 + 36 CO2 + 55 H2O + 24 K2CO3
SO4{2-} + H = S{2-} + H2O =>
SO4{2-} + 8 H = S{2-} + 4 H2O
BeSO4 + NH4OH = [Be(NH3)4]SO4 + H2O =>
BeSO4 + 4 NH4OH = [Be(NH3)4]SO4 + 4 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P4 =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + 10 CO + P4
Fe(s)O2 = FeO2 =>
Fe(s)O2 = FeO2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
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