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3 PbO2 + 4 Al = 2 Al2O3 + 3 Pb
HNO3 + O2 = NO3 + H2O =>
4 HNO3 + O2 = 4 NO3 + 2 H2O
ZnCl2(aq) + LiOH(aq) = LiCl(aq) + Zn(OH)2(s) =>
ZnCl2(aq) + 2 LiOH(aq) = 2 LiCl(aq) + Zn(OH)2(s)
Sr(OH)2 + Br2 = Sr(BrO3)3 + SrBr2 + H2O =>
18 Sr(OH)2 + 19 Br2 = 2 Sr(BrO3)3 + 16 SrBr2 + 18 H2O
C6H5OH + FeCl3 = Fe(OC6H5)6 + H + HCl =>
6 C6H5OH + FeCl3 = Fe(OC6H5)6 + 3 H + 3 HCl
C138 = C2 =>
C138 = 69 C2
HS{-} + O2 = SO4{-2} + H{+} =>
HS{-} + 2 O2 = SO4{-2} + H{+}
Hf + H2SO4 = H2[Hf(SO4)3] + SO2 + H2O =>
Hf + 5 H2SO4 = H2[Hf(SO4)3] + 2 SO2 + 4 H2O
CO + Br2 + KOH = KBr + K2CO3 + H2O =>
CO + Br2 + 4 KOH = 2 KBr + K2CO3 + 2 H2O
BaO + Na2CO3 = BaCO3 + Na2O =>
BaO + Na2CO3 = BaCO3 + Na2O
Mg2 + O2 = Mg2O2 =>
Mg2 + O2 = Mg2O2
N3H3 = NH =>
N3H3 = 3 NH
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2 =>
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2
FeO + CO2 = Fe3O4 + CO =>
3 FeO + CO2 = Fe3O4 + CO
FeS2 + HNO2 = Fe2(SO4)3 + H2SO4 + NO + H2O =>
2 FeS2 + 30 HNO2 = Fe2(SO4)3 + H2SO4 + 30 NO + 14 H2O
K2Cr2O7 + H2SO4 + Mg = Cr2(SO4)3 + MgSO4 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 3 Mg = Cr2(SO4)3 + 3 MgSO4 + K2SO4 + 7 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
CaC2O4 = CaCO3 + CO =>
CaC2O4 = CaCO3 + CO
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Mn(NO3)2(aq) + KOH(aq) = H2MnO2(s) + KNO3(aq) =>
Mn(NO3)2(aq) + 2 KOH(aq) = H2MnO2(s) + 2 KNO3(aq)
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
KO2 + H2O = H2O2 + KOH =>
2 KO2 + 4 H2O = 3 H2O2 + 2 KOH
Na2O + MnO = Na2MnO2 =>
Na2O + MnO = Na2MnO2
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
NaH2PO2 + AgNO3 + H2O = Ag + NaH2PO4 + HNO =>
5 NaH2PO2 + 4 AgNO3 + 2 H2O = 4 Ag + 5 NaH2PO4 + 4 HNO
NaOH + Ba(NO3)2 = Ba(OH)2 + Na(NO3) =>
2 NaOH + Ba(NO3)2 = Ba(OH)2 + 2 Na(NO3)
CH3Cl + NH3 = C2H7N + HCl =>
2 CH3Cl + NH3 = C2H7N + 2 HCl
Ag(NO3)3 + KCl = AgCl3 + KNO3 =>
Ag(NO3)3 + 3 KCl = AgCl3 + 3 KNO3
NaCl + NaOH = Na(OH)2 + Na2Cl =>
NaCl + 2 NaOH = Na(OH)2 + Na2Cl
C2H5OH + Br2 + H2SO4 = C2H5Br + BrSO4 + H2O =>
4 C2H5OH + 3 Br2 + 2 H2SO4 = 4 C2H5Br + 2 BrSO4 + 4 H2O
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
MnO + H = H2O + Mn =>
MnO + 2 H = H2O + Mn
CO = CCO2 =>
2 CO = CCO2
C6H14N2O2 + HCl = C6H14N2O2HCl =>
C6H14N2O2 + HCl = C6H14N2O2HCl
NH4 + OH + LiCl = NH4Cl + LiOH =>
NH4 + OH + LiCl = NH4Cl + LiOH
BaC + O2 = BaO + CO2 =>
2 BaC + 3 O2 = 2 BaO + 2 CO2
Cr(OH)3 + Al(OH)3 = Al(Cr(OH)6) =>
Cr(OH)3 + Al(OH)3 = Al(Cr(OH)6)
HCOOCH2CH3 + O2 = CO2 + H2O =>
2 HCOOCH2CH3 + 7 O2 = 6 CO2 + 6 H2O
Ag(s) + H2S(g) + O2 = Ag2S(s)(tarnish) + H2O(l) =>
4 Ag(s) + 2 H2S(g) + O2 = 2 Ag2S(s)(tarnish) + 2 H2O(l)
HC + NaOH = NaC + H2O =>
HC + NaOH = NaC + H2O
AlH{3} + HNO{3} = Al(NO{3}){3} + H =>
AlH{3} + HNO{3} = Al(NO{3}){3} + 2 H
MnCO3KClO = MnO2KClCO2 =>
MnCO3KClO = MnO2KClCO2
Fe2O3 + Na2O = Fe2O4 + Na =>
Fe2O3 + Na2O = Fe2O4 + 2 Na
Br + KI = KBr + I2 =>
2 Br + 2 KI = 2 KBr + I2
S8 = S4 =>
S8 = 2 S4
Cu2 + OH = CuOH =>
Cu2 + 2 OH = 2 CuOH
P + Cl = PCl7 =>
P + 7 Cl = PCl7
C17H35CO2CH3 + H2O = CO2 + H{+} + e =>
C17H35CO2CH3 + 36 H2O = 19 CO2 + 110 H{+} + 110e
AlCl3 + K2SO4 + H2O = Al(OH)3 + KCl + H2SO4 =>
2 AlCl3 + 3 K2SO4 + 6 H2O = 2 Al(OH)3 + 6 KCl + 3 H2SO4
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