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C2H2(COONa)2 + Ca(OH)2 = C2H4 + Na2CO3 + CaCO3
KClO3(l) = KCl(s) + O2 =>
2 KClO3(l) = 2 KCl(s) + 3 O2
CrCl3 + KIO4 + NaOH = NaCrO4 + KI + H2O + NaCl =>
2 CrCl3 + KIO4 + 8 NaOH = 2 NaCrO4 + KI + 4 H2O + 6 NaCl
Pb(CH2COO)2 + H2S = PbS + CH2COOH =>
Pb(CH2COO)2 + H2S = PbS + 2 CH2COOH
K2CrO4 + HNO3 + H2O2 = KNO3 + CrO5 + H2O =>
K2CrO4 + 2 HNO3 + 2 H2O2 = 2 KNO3 + CrO5 + 3 H2O
Na2S(aq) + NiCl2(aq) = NiS(s) + NaCl(aq) =>
Na2S(aq) + NiCl2(aq) = NiS(s) + 2 NaCl(aq)
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
ZnS + O2 = ZnO + SO2 = ZnO + Co = Zn + CO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Ca(CO3)2 + SO2 + O2 = Ca(SO4)2 + CO29 =>
Ca(CO3)2 + 2 SO2 + 28 O2 = Ca(SO4)2 + 2 CO29
K + H2O = potassiumhydroxide + hydrogen =>
2 K + 2 H2O = 2 KOH + H2
AgNO3 + Zn + NaOH + H2O = Na2[Zn(OH)4] + Ag + NH3 =>
2 AgNO3 + 9 Zn + 18 NaOH + 12 H2O = 9 Na2[Zn(OH)4] + 2 Ag + 2 NH3
Pb(NO3)3 + Na2S = PbS + (NO3)3Na2 =>
Pb(NO3)3 + Na2S = PbS + (NO3)3Na2
Co(NO3)2*6H2O + Fe(NO3)3*9H2O + CH2NH2COOH = CoFe2O4 + N2 + H2O + CO2 =>
9 Co(NO3)2*6H2O + 18 Fe(NO3)3*9H2O + 40 CH2NH2COOH = 9 CoFe2O4 + 56 N2 + 316 H2O + 80 CO2
AgNO3 + Zn + NaOH + H2O = Na2[Zn(OH)4] + Ag + NH3 =>
2 AgNO3 + 9 Zn + 18 NaOH + 12 H2O = 9 Na2[Zn(OH)4] + 2 Ag + 2 NH3
Na3(PO4) + LiOH = Na(OH) + Li3(PO4) =>
Na3(PO4) + 3 LiOH = 3 Na(OH) + Li3(PO4)
Cu(NH3)4(H20)2 + H2SO4 = CuSO4 + (NH4)2SO4 + H30 =>
5 Cu(NH3)4(H20)2 + 15 H2SO4 = 5 CuSO4 + 10(NH4)2SO4 + 7 H30
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Y2O3 + BaCO3 + CuO = YBa2Cu3O7 + CO2 + CO =>
Y2O3 + 4 BaCO3 + 6 CuO = 2 YBa2Cu3O7 + 3 CO2 + CO
AgN03 + HCI = AgCI + HN03 =>
AgN03 + HCI = AgCI + HN03
Br2 + Cu = Br{-} + Cu{2+} =>
Br2 + Cu = 2 Br{-} + Cu{2+}
SbOHCl2H2O = Sb(OH)2ClHCl =>
SbOHCl2H2O = Sb(OH)2ClHCl
K2CrO4 + Na2SO3 + HCl = CrCl + H2O + KCl + Na2SO4 =>
2 K2CrO4 + 5 Na2SO3 + 6 HCl = 2 CrCl + 3 H2O + 4 KCl + 5 Na2SO4
Au + KNO3 = NO3 + AuK =>
Au + KNO3 = NO3 + AuK
MgBr2 + AgC2H3O2 = AgBr + Mg(C2H3O2)2 =>
MgBr2 + 2 AgC2H3O2 = 2 AgBr + Mg(C2H3O2)2
Mg + HN03 = Mg(N03)2 + H2 =>
Mg + 2 HN03 = Mg(N03)2 + H2
MnSO4 + H2O2 + NaOH = MnOH2 + H2SO4 + NaO =>
2 MnSO4 + H2O2 + 6 NaOH = 2 MnOH2 + 2 H2SO4 + 6 NaO
AgI + SnS2 = SnI + AgS2 =>
AgI + SnS2 = SnI + AgS2
Ag(s) + FeCl2(aq) = AgCl + Fe =>
2 Ag(s) + FeCl2(aq) = 2 AgCl + Fe
CuSO4*5H2O = Cu(H2O)4 + SO4 + H2O =>
CuSO4*5H2O = Cu(H2O)4 + SO4 + H2O
FeCl3 + ZnSO4 = ZnCl2 + Fe2(SO4)3 =>
2 FeCl3 + 3 ZnSO4 = 3 ZnCl2 + Fe2(SO4)3
NaHCO3 + Al2O3 = NaAlO2 + H2O + CO2 =>
2 NaHCO3 + Al2O3 = 2 NaAlO2 + H2O + 2 CO2
FeCl3 + Zn(NO3)2 = Fe(NO3)3 + ZnCl2 =>
2 FeCl3 + 3 Zn(NO3)2 = 2 Fe(NO3)3 + 3 ZnCl2
H{+} + MnO4{-} + HCOOH = Mn2{+} + H2O + CO2 =>
6 H{+} + 4 MnO4{-} + 13 HCOOH = 2 Mn2{+} + 16 H2O + 13 CO2
MnO2 + Fe2O3 = MnO7 + FeO =>
MnO2 + 5 Fe2O3 = MnO7 + 10 FeO
NaOH + C6H5COOH = NaC6H5CO2 + H2O =>
NaOH + C6H5COOH = NaC6H5CO2 + H2O
Zn(s) + HCl(aq) = ZnCl2(s) + H2(aq) =>
Zn(s) + 2 HCl(aq) = ZnCl2(s) + H2(aq)
AgNO3 + Zn + NaOH + H2O = Na2[Zn(OH)4] + Ag + NH3 =>
2 AgNO3 + 9 Zn + 18 NaOH + 12 H2O = 9 Na2[Zn(OH)4] + 2 Ag + 2 NH3
FeO3 + S + H = FeS2 + H2O =>
FeO3 + 2 S + 6 H = FeS2 + 3 H2O
C10H15NO + Al = C10H15N + Al2O3 =>
3 C10H15NO + 2 Al = 3 C10H15N + Al2O3
Al + BaCl2 = Ba + AlCl2 =>
Al + BaCl2 = Ba + AlCl2
HNO3 + Na2O = O4H + Na2 + NO3 =>
HNO3 + 4 Na2O = O4H + 4 Na2 + NO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cl + NH3 = N2H4 + NH4Cl =>
2 Cl + 4 NH3 = N2H4 + 2 NH4Cl
NH4Cl + HgI4K2 = NH4I + HgCl + K + I2 =>
2 NH4Cl + 2 HgI4K2 = 2 NH4I + 2 HgCl + 4 K + 3 I2
Ni(s) + CuSO4(aq) = Ni2(SO4)3(aq) + Cu(s) =>
2 Ni(s) + 3 CuSO4(aq) = Ni2(SO4)3(aq) + 3 Cu(s)
H2O2 + C6H8O7 + NaCl + Cu = CuCl2 + H2O + Na3(C6H5O7)2H2O =>
6 H2O2 + 4 C6H8O7 + 6 NaCl + 3 Cu = 3 CuCl2 + 10 H2O + 2 Na3(C6H5O7)2H2O
Fe{2+} + NO2{-} + H2O = Fe{3+} + NO + OH{-} =>
Fe{2+} + NO2{-} + H2O = Fe{3+} + NO + 2 OH{-}
HClO3 + H2SO4 = HSO4 + H2ClO3 =>
HClO3 + H2SO4 = HSO4 + H2ClO3
Na + H3BO3 = Na3BO3 + H2 =>
6 Na + 2 H3BO3 = 2 Na3BO3 + 3 H2
K3[Fe(CN)6] + H2X + KOH = K4[Fe(CN)6] + H2O + X =>
2 K3[Fe(CN)6] + H2X + 2 KOH = 2 K4[Fe(CN)6] + 2 H2O + X
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