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13 Al + 4 Os = Al13Os4
CaCO3 + BaNO3 = CaNO3 + BaCO3 =>
CaCO3 + BaNO3 = CaNO3 + BaCO3
CH3COOH(aq) + H2O = CH3COO{-}(aq) + H3O{+} =>
CH3COOH(aq) + H2O = CH3COO{-}(aq) + H3O{+}
MnO4{-} + NO2{-} + OH{-} = MnO4{-2} + NO3{-} + H2O =>
2 MnO4{-} + NO2{-} + 2 OH{-} = 2 MnO4{-2} + NO3{-} + H2O
AsS2 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 AsS2 + 17 HNO3 + 2 H2O = 3 H3AsO4 + 6 H2SO4 + 17 NO
Mg3(PO4)2(s) = Mg{2+} + PO4{3-} =>
Mg3(PO4)2(s) = 3 Mg{2+} + 2 PO4{3-}
Na(c) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(c) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
PbNO3(aq) + K2CrO4(aq) = PbCrO4(s) + K2NO3(aq) =>
PbNO3(aq) + K2CrO4(aq) = PbCrO4(s) + K2NO3(aq)
SO3 + KOH = H2SO4 + K2SO4 =>
2 SO3 + 2 KOH = H2SO4 + K2SO4
Fe(II) + H2SO4 = Fe(II)SO4 + H2 =>
Fe(II) + H2SO4 = Fe(II)SO4 + H2
AgNO3(aq) + Ni(s) = Ni(NO3)2 + Ag =>
2 AgNO3(aq) + Ni(s) = Ni(NO3)2 + 2 Ag
KBr(aq) + Ag(NH3)2(aq) = AgBr(s) + NH3(aq) + K(aq) =>
KBr(aq) + Ag(NH3)2(aq) = AgBr(s) + 2 NH3(aq) + K(aq)
Na2ZnO2 + H2SO4 = Na2SO4 + ZnSO4 + H2O =>
Na2ZnO2 + 2 H2SO4 = Na2SO4 + ZnSO4 + 2 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Fe2O3 + KClO3 + KOH = K2FeO4 + H2O + KCl =>
Fe2O3 + KClO3 + 4 KOH = 2 K2FeO4 + 2 H2O + KCl
Ni(s) + AgNO3(aq) = Ni(NO3)2(aq) + Ag(s) =>
Ni(s) + 2 AgNO3(aq) = Ni(NO3)2(aq) + 2 Ag(s)
Ag + NaCN + O2 + H2O = NaAg(CN)2 + NaOH =>
4 Ag + 8 NaCN + O2 + 2 H2O = 4 NaAg(CN)2 + 4 NaOH
NaCl + H2SO4 + O2 = Na2SO4 + H2O + Cl =>
4 NaCl + 2 H2SO4 + O2 = 2 Na2SO4 + 2 H2O + 4 Cl
SO2 + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
3 SO2 + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O
Cu2S + SO4{2-} + H{+} = Cu{2+} + H2SO3 + H2O =>
Cu2S + 4 SO4{2-} + 12 H{+} = 2 Cu{2+} + 5 H2SO3 + H2O
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
K2Cr2O7 + H2C2O4*H2O = K[Cr(C2O4)2(H2O)2]*2H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4*H2O = 2 K[Cr(C2O4)2(H2O)2]*2H2O + 6 CO2 + 6 H2O
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
Na + H(NO3) = Na(NO3) + H2 =>
2 Na + 2 H(NO3) = 2 Na(NO3) + H2
C7H6Cl2 + KOH = C7H6O + KCl + H2O =>
C7H6Cl2 + 2 KOH = C7H6O + 2 KCl + H2O
Ba + Cl2 + H2SO4 = BaSO4 + HCl =>
Ba + Cl2 + H2SO4 = BaSO4 + 2 HCl
ZnBr2 + NaHPO4 = NaBr2 + ZnHPO4 =>
ZnBr2 + NaHPO4 = NaBr2 + ZnHPO4
ZnO + HNO3 = Zn(NO3)2 + H2O =>
ZnO + 2 HNO3 = Zn(NO3)2 + H2O
PbCl2 + AgI = PbI2 + AgCl =>
PbCl2 + 2 AgI = PbI2 + 2 AgCl
Cu(OH)2 + NH4Cl = CuCl2 + NH3 + H2O =>
Cu(OH)2 + 2 NH4Cl = CuCl2 + 2 NH3 + 2 H2O
Mg(s) + CuCl2(aq) = MgCl2(aq) + Cu(s) =>
Mg(s) + CuCl2(aq) = MgCl2(aq) + Cu(s)
Fe(CN)6{4-} + Ce{4+} + HO{-} = Ce(OH)3 + Fe(OH)3 + CO3{2-} + NO3{-} + H2O =>
Fe(CN)6{4-} + 61 Ce{4+} + 258 HO{-} = 61 Ce(OH)3 + Fe(OH)3 + 6 CO3{2-} + 6 NO3{-} + 36 H2O
MgH2 + H2O = Mg(OH)2 + H2 =>
MgH2 + 2 H2O = Mg(OH)2 + 2 H2
NiCl2 + H2O = NiO + H2Cl2 =>
NiCl2 + H2O = NiO + H2Cl2
CaCO3 + KOH = Ca(OH)2 + K2CO3 =>
CaCO3 + 2 KOH = Ca(OH)2 + K2CO3
Ni(s) + HCl(aq) = NiCl2 + H2 =>
Ni(s) + 2 HCl(aq) = NiCl2 + H2
CoCl3 + KI = KCl + CoI3 =>
CoCl3 + 3 KI = 3 KCl + CoI3
KCN + HNO3 = KNO3 + HCN =>
KCN + HNO3 = KNO3 + HCN
NiCl2 + H2O = NiCl2*6H2O =>
NiCl2 + 6 H2O = NiCl2*6H2O
Fe(NO3)3 + CH4N2O = Fe2O3 + CO2 + H2O + N2 =>
2 Fe(NO3)3 + 5 CH4N2O = Fe2O3 + 5 CO2 + 10 H2O + 8 N2
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
Cl{-} + H2O = ClO3{-} + H{+} + e =>
Cl{-} + 3 H2O = ClO3{-} + 6 H{+} + 6e
Cr(SO4)3 + KI + KIO3 + H2O = Cr(OH)2 + K2SO4 + I2 =>
3 Cr(SO4)3 + 17 KI + KIO3 + 3 H2O = 3 Cr(OH)2 + 9 K2SO4 + 9 I2
Zn + Fe(CIO2)3 = Zn(CIO2)2 + Fe =>
3 Zn + 2 Fe(CIO2)3 = 3 Zn(CIO2)2 + 2 Fe
MnO2 + NaCl + H2SO4 = NaHSO4 + MnSO4 + H2O + Cl2 =>
MnO2 + 2 NaCl + 3 H2SO4 = 2 NaHSO4 + MnSO4 + 2 H2O + Cl2
*HgO = Hg + O2 =>
2*HgO = 2 Hg + O2
NiCl2 + H2O = [Ni(H2O)6]Cl2 =>
NiCl2 + 6 H2O = [Ni(H2O)6]Cl2
NH2CH2COOH + CH3NH2 = NH2CH2COONH3CH3 =>
NH2CH2COOH + CH3NH2 = NH2CH2COONH3CH3
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