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Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
H2SO4 + FeCl2 + HCl = FeCl3 + S + H2O =>
H2SO4 + 6 FeCl2 + 6 HCl = 6 FeCl3 + S + 4 H2O
H2SO4 + Fe = FeSO4 + H2 =>
H2SO4 + Fe = FeSO4 + H2
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Cr + PbCl2 = CrCl3 + Pb =>
2 Cr + 3 PbCl2 = 2 CrCl3 + 3 Pb
C6H8O7 + Mg = Mg(C6H6O7) + H2 =>
C6H8O7 + Mg = Mg(C6H6O7) + H2
H2SeO3 + Al(OH)3 = Al2(SeO3)3 + H2O =>
3 H2SeO3 + 2 Al(OH)3 = Al2(SeO3)3 + 6 H2O
NaC2H3O2 = Na + C2H3O2 =>
NaC2H3O2 = Na + C2H3O2
Na2S203(aq) + NaOCI(aq) + NaOH(aq) = Na2SO4(aq) + NaCI(aq) + H2O(l) =>
Na2S203(aq) + 610 NaOCI(aq) + 404 NaOH(aq) = 203 Na2SO4(aq) + 610 NaCI(aq) + 202 H2O(l)
sodiumcarbonate + HC2H3O2 = C2H3NaO2 + carbondioxide + water =>
Na2CO3 + 2 HC2H3O2 = 2 C2H3NaO2 + CO2 + H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca + (HCO3) = Ca(HCO3)2 =>
Ca + 2(HCO3) = Ca(HCO3)2
Na(HCO3) + HNO3 = NaNO3 + H2O + CO2 =>
Na(HCO3) + HNO3 = NaNO3 + H2O + CO2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Al + C2H5OH = (C2H5O)3Al + H2 =>
2 Al + 6 C2H5OH = 2(C2H5O)3Al + 3 H2
Sc + H2SO4 = Sc(SO4)3 + H2 =>
Sc + 3 H2SO4 = Sc(SO4)3 + 3 H2
MgCO3 + CO = MgC2O4 =>
MgCO3 + CO = MgC2O4
Mg + Al(No3)3 = Mg(No3)2 + Al =>
3 Mg + 2 Al(No3)3 = 3 Mg(No3)2 + 2 Al
HCOOH + KOH = H2O + K + HCOO =>
HCOOH + KOH = H2O + K + HCOO
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
FeS2O3 + KMnO4 + H2SO4 = Fe2O3 + MnSO4 + K2SO4 + H2O =>
10 FeS2O3 + 18 KMnO4 + 7 H2SO4 = 5 Fe2O3 + 18 MnSO4 + 9 K2SO4 + 7 H2O
CaCO3 + CH3COOH = Ca(CH3CO)2 + H2O + CO2 =>
2 CaCO3 + 5 CH3COOH = 2 Ca(CH3CO)2 + 4 H2O + 4 CO2
SbCl3 + Ag = Sb + AgCl =>
SbCl3 + 3 Ag = Sb + 3 AgCl
Cu + N + O3 = Cu(NO3)2 =>
Cu + 2 N + 2 O3 = Cu(NO3)2
CaCl2 + (Na3PO4) = Ca3(PO4)2 + (NaCl) =>
3 CaCl2 + 2(Na3PO4) = Ca3(PO4)2 + 6(NaCl)
H2O + CaC2 = CaO + CO2 + H2 =>
5 H2O + CaC2 = CaO + 2 CO2 + 5 H2
Ti2O3 + Cr2O3 = TiCr2O2 + O =>
Ti2O3 + 2 Cr2O3 = 2 TiCr2O2 + 5 O
(NH4)2SO4 + CH3COOH = H2SO4 + CH3COONH4 =>
(NH4)2SO4 + 2 CH3COOH = H2SO4 + 2 CH3COONH4
H2 + CdS + NO3 = Cd + H2SO4 + NO2 =>
H2 + CdS + 4 NO3 = Cd + H2SO4 + 4 NO2
HNO3 + P = HPO3 + NO2 + H2O =>
5 HNO3 + P = HPO3 + 5 NO2 + 2 H2O
Zn + KNO3 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
4 Zn + KNO3 + 7 KOH + 6 H2O = 4 K2[Zn(OH)4] + NH3
C2H5NC2H5 + O2 = CO2 + N2 + H2O =>
2 C2H5NC2H5 + 13 O2 = 8 CO2 + N2 + 10 H2O
Ca + H2O = Ca[OH]2 + H2 =>
Ca + 2 H2O = Ca[OH]2 + H2
FeCl2 + SnCl2 = FeSn + Cl2 =>
FeCl2 + SnCl2 = FeSn + 2 Cl2
Cr{+2} + S2O8{-2} + H2O = CrO4{-2} + SO4{-2} + H{+} =>
Cr{+2} + 2 S2O8{-2} + 4 H2O = CrO4{-2} + 4 SO4{-2} + 8 H{+}
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
[Ag(NH3)2]{+]+HNO3+Cl{-} = AgCl+NH4NO3 =>
[Ag(NH3)2]{+]+2HNO3+Cl{-} = AgCl+2NH4NO3
H2 + ZnCl2 = Zn + HCl =>
H2 + ZnCl2 = Zn + 2 HCl
Na2(HCO3)2 + H2SO4 = Na2SO4 + H2O + CO2 =>
Na2(HCO3)2 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
C3H3(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H3(NO3)3 = 12 CO2 + 6 N2 + 6 H2O + 3 O2
K(MnO4) + HCl = Cl2Mn + O2 + ClK + H2O =>
4 K(MnO4) + 12 HCl = 4 Cl2Mn + 5 O2 + 4 ClK + 6 H2O
Al + KClO4 + H2SO4 = Al2(SO4)3 + KCl + H2O =>
8 Al + 3 KClO4 + 12 H2SO4 = 4 Al2(SO4)3 + 3 KCl + 12 H2O
F2 + AlBr3 = Br2 + AlF3 =>
3 F2 + 2 AlBr3 = 3 Br2 + 2 AlF3
Eu2O3 + H2S = EuS + H2O + S =>
Eu2O3 + 3 H2S = 2 EuS + 3 H2O + S
C6H12 + KMnO4 + H2SO4 = C6H10O4 + K2SO4 + MnSO4 + H2O =>
C6H12 + 2 KMnO4 + 3 H2SO4 = C6H10O4 + K2SO4 + 2 MnSO4 + 4 H2O
Bi3(AsO4)5 + Si(CO3)2 = Bi2(CO3)5 + Si3(AsO4)4 =>
4 Bi3(AsO4)5 + 15 Si(CO3)2 = 6 Bi2(CO3)5 + 5 Si3(AsO4)4
CH3CH2OH + H2O = CH3COOH + H =>
CH3CH2OH + H2O = CH3COOH + 4 H
Au{3+} + N{3-} = Au + N2 =>
2 Au{3+} + 2 N{3-} = 2 Au + N2
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