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2 Fe + Se2 = 2 FeSe
C2H6O6 + NaHCO3 = Na2C2O4 + H2O + CO2 =>
C2H6O6 + 2 NaHCO3 = Na2C2O4 + 4 H2O + 2 CO2
K2O + Pb(C2H3O2)4 = PbO2 + KC2H3O2 =>
2 K2O + Pb(C2H3O2)4 = PbO2 + 4 KC2H3O2
Na2CrO4 + ZnSO4 + NaOH = Zn2CrO4(OH)2 + Na2SO4 =>
Na2CrO4 + 2 ZnSO4 + 2 NaOH = Zn2CrO4(OH)2 + 2 Na2SO4
O2 + C5H12O2S = CO2 + H2O + SO2 =>
8 O2 + C5H12O2S = 5 CO2 + 6 H2O + SO2
Na2CO3 + CuO + CoO + Sb2O5 + O2 = Na3Cu1*5Co0*5SbO6 + CO2 =>
3 Na2CO3 + 2 CuO + 10 CoO + 5 Sb2O5 + 10 O2 = 2 Na3Cu1*5Co0*5SbO6 + 3 CO2
(NH4)2C2O4 + CaCl2 = CaC2O4 + NH4Cl =>
(NH4)2C2O4 + CaCl2 = CaC2O4 + 2 NH4Cl
Na2B4O7 + Cr2O3 = Cr(BO2)3 + NaBO2 =>
3 Na2B4O7 + Cr2O3 = 2 Cr(BO2)3 + 6 NaBO2
KClO3 + MnCl2 + KOH = KMnO4 + KCl + H2O =>
5 KClO3 + 6 MnCl2 + 18 KOH = 6 KMnO4 + 17 KCl + 9 H2O
Hg(OH)2 + AlCl3 = HgCl2 + Al(OH)3 =>
3 Hg(OH)2 + 2 AlCl3 = 3 HgCl2 + 2 Al(OH)3
Mg(ClO3)2 + NaOH = Mg(OH)2 + NaClO3 =>
Mg(ClO3)2 + 2 NaOH = Mg(OH)2 + 2 NaClO3
Zn2 + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn2 + 4 NaOH + 4 H2O = 2 Na2Zn(OH)4 + 2 H2
C20H25N3 + O2 = CO2 + H2O + N2O =>
2 C20H25N3 + 54 O2 = 40 CO2 + 25 H2O + 3 N2O
Cu(s) + HNO3 = Cu(NO3)2(ac) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3 = 3 Cu(NO3)2(ac) + 2 NO(g) + 4 H2O(l)
Ag(NO3) + KOH = AgOH + KNO3 =>
Ag(NO3) + KOH = AgOH + KNO3
HCO2H + C2H5OH = HCO2C2H5 + H2O =>
HCO2H + C2H5OH = HCO2C2H5 + H2O
CaO + Al2(SO4)3*16H2O + H2O = (CaO)3(Al2O3)(CaSO4)3*32H2O =>
6 CaO + Al2(SO4)3*16H2O + 16 H2O = (CaO)3(Al2O3)(CaSO4)3*32H2O
Mg + Zn(SO4) = Zn + Mg(SO4)2 =>
Mg + 2 Zn(SO4) = 2 Zn + Mg(SO4)2
Na2S + Pd(NO3)2 = PdS + NaNO3 =>
Na2S + Pd(NO3)2 = PdS + 2 NaNO3
BiCl3 = Bi + Cl =>
BiCl3 = Bi + 3 Cl
Cr(s) + Cl2 = CrCl3(s) =>
2 Cr(s) + 3 Cl2 = 2 CrCl3(s)
Ag3AsO4 + Zn + H2SO4 = As3H3 + Ag + ZnSO4 + H2O =>
6 Ag3AsO4 + 27 Zn + 27 H2SO4 = 2 As3H3 + 18 Ag + 27 ZnSO4 + 24 H2O
NaC2H3O2 + Co3(PO4)2 = Na3PO4 + Co(C2H3O2)2 =>
6 NaC2H3O2 + Co3(PO4)2 = 2 Na3PO4 + 3 Co(C2H3O2)2
NaOH + CO + Cl2 = NaCl + Na2CO3 + H2O =>
4 NaOH + CO + Cl2 = 2 NaCl + Na2CO3 + 2 H2O
BrO2 + OH{-} = BrO3{-} + Br{-} + H2O =>
6 BrO2 + 6 OH{-} = 5 BrO3{-} + Br{-} + 3 H2O
Pb(CH3CO2)2(aq) + (NH4)2CrO4(aq) = PbCrO4(s) + NH4CH3CO2 =>
Pb(CH3CO2)2(aq) + (NH4)2CrO4(aq) = PbCrO4(s) + 2 NH4CH3CO2
Mg(s) + Pb(C2H3O2)2(ac) = Mg(C2H3O2)2(s) + Pb(s) =>
Mg(s) + Pb(C2H3O2)2(ac) = Mg(C2H3O2)2(s) + Pb(s)
Pb(CH3COO)2 + (NH4)2CO3 = PbCO3 + NH4(CH3COO) =>
Pb(CH3COO)2 + (NH4)2CO3 = PbCO3 + 2 NH4(CH3COO)
CrCl2 + NaOH + Cl2 = Na2CrO4 + NaCl + H2O =>
CrCl2 + 8 NaOH + 2 Cl2 = Na2CrO4 + 6 NaCl + 4 H2O
NH2OH + H2O = NH4 + OH =>
NH2OH + 2 H2O = NH4 + 3 OH
C10H19O3N + H2O = CH4 + CO2 + NH3 =>
4 C10H19O3N + 18 H2O = 25 CH4 + 15 CO2 + 4 NH3
KAl(SO4)2 + CaCl2 + H2O = Al(OH)3 + Ca(OH)2 + KCl + H2SO4 =>
2 KAl(SO4)2 + CaCl2 + 8 H2O = 2 Al(OH)3 + Ca(OH)2 + 2 KCl + 4 H2SO4
C2H6O + KMnO4 + KOH = K2MnO4 + C2H4O + H2O =>
C2H6O + 2 KMnO4 + 2 KOH = 2 K2MnO4 + C2H4O + 2 H2O
K2HPO4 + H2SO4 = K2SO4 + H3PO4 =>
K2HPO4 + H2SO4 = K2SO4 + H3PO4
Mg(s) + CrSO4(aq) = MgSO4(aq) + Cr(s) =>
Mg(s) + CrSO4(aq) = MgSO4(aq) + Cr(s)
Ca3P2 + H2SO4 = CaSO4 + H3P =>
Ca3P2 + 3 H2SO4 = 3 CaSO4 + 2 H3P
H2SiO3 + NaCl = Na2SiO3 + HCl =>
H2SiO3 + 2 NaCl = Na2SiO3 + 2 HCl
HNO2 + SO3{2-} = NO + SO4{2-} + H2O =>
2 HNO2 + SO3{2-} = 2 NO + SO4{2-} + H2O
SrCO3 + SiO2 = SrSiO3 + CO2 =>
SrCO3 + SiO2 = SrSiO3 + CO2
Ni(OH)2 + H3O = H2O + Ni =>
Ni(OH)2 + 2 H3O = 4 H2O + Ni
IO3 + H2SO4 = I2 + SO4 + H2O =>
2 IO3 + 6 H2SO4 = I2 + 6 SO4 + 6 H2O
FeCl2(aq) + AgNO3(aq) = Fe(NO3)2(aq) + AgCl(s) =>
FeCl2(aq) + 2 AgNO3(aq) = Fe(NO3)2(aq) + 2 AgCl(s)
MgHSO4 = MgSO4 + H2 =>
2 MgHSO4 = 2 MgSO4 + H2
Pb(NO3)2 + KI = Pb(NO3)I + KNO3 =>
Pb(NO3)2 + KI = Pb(NO3)I + KNO3
La(OH)3 + HClO3 = La(ClO3)3 + H2O =>
La(OH)3 + 3 HClO3 = La(ClO3)3 + 3 H2O
Cr(OH)3 + KlO + KOH = Kl + K2CrO4 + H2O =>
2 Cr(OH)3 + 3 KlO + 4 KOH = 3 Kl + 2 K2CrO4 + 5 H2O
Ba + Al(ClO3)3 = Ba(ClO3)2 + Al =>
3 Ba + 2 Al(ClO3)3 = 3 Ba(ClO3)2 + 2 Al
KCl + Pb(NO3)2 = PbCl2 + (KNO3) =>
2 KCl + Pb(NO3)2 = PbCl2 + 2(KNO3)
Mg + Ag(NO3)3 = Ag + Mg(NO3)3 =>
Mg + Ag(NO3)3 = Ag + Mg(NO3)3
NaOH + H(SO4) = Na(SO4) + H2O =>
NaOH + H(SO4) = Na(SO4) + H2O
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