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Ni{2+} = Ni{3+} + e
Ag + H = AgH3 =>
Ag + 3 H = AgH3
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
KI + AgNO3 = AgKI + NO3 =>
KI + AgNO3 = AgKI + NO3
C2H7N + O2 = CO + H2O + NO2 =>
4 C2H7N + 15 O2 = 8 CO + 14 H2O + 4 NO2
Mg + NaCl + H2O = HCl + Na + MgO =>
Mg + 2 NaCl + H2O = 2 HCl + 2 Na + MgO
P4(s) + O2(g) = P2O3(l) =>
P4(s) + 3 O2(g) = 2 P2O3(l)
Fe(OH)2 + CrO4{-2} + H2O = Fe(OH)3 + Cr(OH)3 + OH{-} =>
3 Fe(OH)2 + CrO4{-2} + 4 H2O = 3 Fe(OH)3 + Cr(OH)3 + 2 OH{-}
HC2H3O2 + LiOH = H2O + LiC2H3O2 =>
HC2H3O2 + LiOH = H2O + LiC2H3O2
Na2SiO2 + CaCO3 = CaSiO3 + CO2 + Na2 =>
Na2SiO2 + CaCO3 = CaSiO3 + CO2 + Na2
(KI)PB(NO3) = KI + PB(NO3) =>
(KI)PB(NO3) = KI + PB(NO3)
NH4HCO3 + KOH = NH3 + H2O + K2CO3 =>
NH4HCO3 + 2 KOH = NH3 + 2 H2O + K2CO3
HSO4 + NaBr = NaSO4 + HBr =>
HSO4 + NaBr = NaSO4 + HBr
U = U2 =>
2 U = U2
Br2 + NaOH = NaBrO3 + NaBr2 + H2O =>
11 Br2 + 12 NaOH = 2 NaBrO3 + 10 NaBr2 + 6 H2O
KI(s) + H2SO4(dil) + Na2CrO4 = Cr(OH)3Cr2(SO4)3 + Na2SO4 + K2SO4 + I2 + H2O =>
18 KI(s) + 21 H2SO4(dil) + 6 Na2CrO4 = 2 Cr(OH)3Cr2(SO4)3 + 6 Na2SO4 + 9 K2SO4 + 9 I2 + 18 H2O
MgSO43H2O = Mg + SO43H2O =>
MgSO43H2O = Mg + SO43H2O
Cl + NaOH = NaCl + NaClO3 + H2O =>
6 Cl + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
C3H8O3 + KMnO4 = C3H6O3 + H2O + MnO2 + KOH =>
3 C3H8O3 + 2 KMnO4 = 3 C3H6O3 + 2 H2O + 2 MnO2 + 2 KOH
(NH4)2C2O4(aq) + CaCl2(aq) = CaC2O4(aq) + NH4Cl(aq) =>
(NH4)2C2O4(aq) + CaCl2(aq) = CaC2O4(aq) + 2 NH4Cl(aq)
[Co(NH3)6]Cl2 + KCN = [Co(CN)6]Cl2 + KNH3 =>
[Co(NH3)6]Cl2 + 6 KCN = [Co(CN)6]Cl2 + 6 KNH3
MnO4{-} + I{-} + H2O = MnO2 + I + OH{-} =>
MnO4{-} + 3 I{-} + 2 H2O = MnO2 + 3 I + 4 OH{-}
NaI + Pb(NO3)2 = Na2(NO3) + PbI4 =>
4 NaI + Pb(NO3)2 = 2 Na2(NO3) + PbI4
CoOHCl + H2SO4 = CoSO4 + H2O + HCl =>
CoOHCl + H2SO4 = CoSO4 + H2O + HCl
HgCl2 + Fe = Hg2Cl2 + FeCl2 =>
2 HgCl2 + Fe = Hg2Cl2 + FeCl2
CH3CH2COOH + H2O = CH3CH2OH + HCOOH =>
CH3CH2COOH + H2O = CH3CH2OH + HCOOH
SO3 + NaOH = NaHSO4 =>
SO3 + NaOH = NaHSO4
Zn + KClO3 + KOH + H2O = K2[Zn(OH)4] + KCl2 =>
11 Zn + 4 KClO3 + 20 KOH + 12 H2O = 11 K2[Zn(OH)4] + 2 KCl2
BaCl2 + H2(SO4) = BaSO4 + HCl =>
BaCl2 + H2(SO4) = BaSO4 + 2 HCl
Mg{+2} + (CO3){-2} = Mg2(CO3)2 =>
2 Mg{+2} + 2(CO3){-2} = Mg2(CO3)2
Mn(ClO2)2 = MnCl2 + O2 =>
Mn(ClO2)2 = MnCl2 + 2 O2
Ba(OH)2(s) + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2(s) + 2 HNO3 = Ba(NO3)2 + 2 H2O
N2(s) + H2(g) = H3N(g) =>
N2(s) + 3 H2(g) = 2 H3N(g)
CS2 + CI3 = CCI + S2CI2 =>
5 CS2 + 4 CI3 = 2 CCI + 5 S2CI2
BaCl2 + FeSO4(s) = BaSO4 + FeCl2 =>
BaCl2 + FeSO4(s) = BaSO4 + FeCl2
C6H12N4 + O = CO + H2O + N2 =>
C6H12N4 + 12 O = 6 CO + 6 H2O + 2 N2
Ti(HCO3)4 + V(CH3CO2)3 = Ti(CH3CO2)4 + V(HCO3)3 =>
3 Ti(HCO3)4 + 4 V(CH3CO2)3 = 3 Ti(CH3CO2)4 + 4 V(HCO3)3
BBr3 + K2O = B2O3 + KBr =>
2 BBr3 + 3 K2O = B2O3 + 6 KBr
CS2 + H2 = CH4 + H2S =>
CS2 + 4 H2 = CH4 + 2 H2S
CuO + Al + NaOH = Cu + NaAlO2 + H2O =>
3 CuO + 2 Al + 2 NaOH = 3 Cu + 2 NaAlO2 + H2O
KNO113 = KNO40 + O56 =>
56 KNO113 = 56 KNO40 + 73 O56
Ce + HNO3 = Ce(NO3)3 + NO2 + H2O =>
Ce + 6 HNO3 = Ce(NO3)3 + 3 NO2 + 3 H2O
Al + (Fe2)(O3) = (Al2)(O3) + Fe =>
2 Al + (Fe2)(O3) = (Al2)(O3) + 2 Fe
TiOSO4 + Zn + H2SO4 = Ti2(SO4)3 + H2O + ZnSO4 =>
2 TiOSO4 + Zn + 2 H2SO4 = Ti2(SO4)3 + 2 H2O + ZnSO4
Na(OH) + HgBr2 = Hg(OH)2 + NaBr =>
2 Na(OH) + HgBr2 = Hg(OH)2 + 2 NaBr
Al + Ni(NO3)2 = Al(NO3)3 + Ni =>
2 Al + 3 Ni(NO3)2 = 2 Al(NO3)3 + 3 Ni
NaCH3COO + H2O = H2CH3COO + NaO =>
NaCH3COO + H2O = H2CH3COO + NaO
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
H2SO4 + Ag = AgSO3 + H2O =>
H2SO4 + Ag = AgSO3 + H2O
NO = O + N2O =>
2 NO = O + N2O
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