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2 Al2O3 = 4 Al + 3 O2
Nb + NaOH + NaNO3 = NaNbO3 + NaNO2 + H2O =>
2 Nb + 2 NaOH + 5 NaNO3 = 2 NaNbO3 + 5 NaNO2 + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HCl(l)NaHCO3(s) = NaCl(s)H2O(g)CO2(g) =>
HCl(l)NaHCO3(s) = NaCl(s)H2O(g)CO2(g)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
AsH3 + KClO3 + KOH = Cl2 + K3AsO4 + H2O =>
5 AsH3 + 8 KClO3 + 7 KOH = 4 Cl2 + 5 K3AsO4 + 11 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
CuFe2S2 + O2 = SO2 + CuO + FeO =>
2 CuFe2S2 + 7 O2 = 4 SO2 + 2 CuO + 4 FeO
FeCO3 + O2 + H2O = Fe2O3 + H2CO3 =>
4 FeCO3 + O2 + 4 H2O = 2 Fe2O3 + 4 H2CO3
Cr(OH)3 + NO3{-} + OH{-} = CrO4{2-} + NO2{-} + H2O =>
2 Cr(OH)3 + 3 NO3{-} + 4 OH{-} = 2 CrO4{2-} + 3 NO2{-} + 5 H2O
H2SnCl6 + (NH4)2S = SnS2 + NH4Cl + HCl =>
H2SnCl6 + 2(NH4)2S = SnS2 + 4 NH4Cl + 2 HCl
Au + Na2SO4 = Au2SO4 + Na2 =>
2 Au + Na2SO4 = Au2SO4 + Na2
Cu + C = Cu2C =>
2 Cu + C = Cu2C
D2 + Fe4 = D4Fe7 =>
8 D2 + 7 Fe4 = 4 D4Fe7
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
NaAlO2 + NaHCO3 + H2O = Al(OH)3 + Na2CO3 =>
NaAlO2 + NaHCO3 + H2O = Al(OH)3 + Na2CO3
NiSO4 + NH4OH = [Ni(NH3)6](OH)2 + (NH4)2SO4 + H2O =>
NiSO4 + 8 NH4OH = [Ni(NH3)6](OH)2 + (NH4)2SO4 + 6 H2O
[Sn(OH)4]{-2} + MnO4{-} + H3O{+} = [Sn(OH)6]{-2} + MnO2 =>
3[Sn(OH)4]{-2} + 2 MnO4{-} + 2 H3O{+} = 3[Sn(OH)6]{-2} + 2 MnO2
Fe2(SO4)3 + BaCl2 = Ba(SO4)3Fe2Cl2 =>
Fe2(SO4)3 + BaCl2 = Ba(SO4)3Fe2Cl2
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Cr(OH3) + HCl = CrCl + HOH3 =>
Cr(OH3) + HCl = CrCl + HOH3
CaCl2 + Ag = Ca + AgCl =>
CaCl2 + 2 Ag = Ca + 2 AgCl
H2S + NaOH = NaHS + H2O =>
H2S + NaOH = NaHS + H2O
CH3CH2OH + COOH = CH3CH2COOCH3 + H2O =>
8 CH3CH2OH + 4 COOH = 5 CH3CH2COOCH3 + 6 H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
MgCl2 + Ba(OH)2 = Mg(OH)2 + BaCl2 =>
MgCl2 + Ba(OH)2 = Mg(OH)2 + BaCl2
Ca(OH)2(ac) + CO2(g) = CaCO3(s) + H2O(l) =>
Ca(OH)2(ac) + CO2(g) = CaCO3(s) + H2O(l)
B + F2 = BF5 =>
2 B + 5 F2 = 2 BF5
MgNH4PO4(s) = Mg2P2O7(s) + NH3(g) + H2O(g) =>
2 MgNH4PO4(s) = Mg2P2O7(s) + 2 NH3(g) + H2O(g)
HOCH2CH2CH2COOH = H2O + CH3CCH2COOH =>
HOCH2CH2CH2COOH = H2O + CH3CCH2COOH
Pb2O4(s) = PbO(s) + O2(g) =>
Pb2O4(s) = 2 PbO(s) + O2(g)
Fe{2+} + H2O = Fe(OH)3 + {-} + H{+} =>
Fe{2+} + 3 H2O = Fe(OH)3 + e + 3 H{+}
NaClO + Na2S2O3 = NaCl + Na2S2O6 =>
3 NaClO + Na2S2O3 = 3 NaCl + Na2S2O6
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
FeCO3 + CO + H2O = FeC2O4*2H2O =>
FeCO3 + CO + 2 H2O = FeC2O4*2H2O
I + O = I2O3 =>
2 I + 3 O = I2O3
Cr + O2 = Cr2O6 = CrO3 =>
2 Cr + 3 O2 = Cr2O6
FeS2 + NaOH = Fe2O3 + Na2S + Na2S2O3 + H2O =>
8 FeS2 + 30 NaOH = 4 Fe2O3 + 14 Na2S + Na2S2O3 + 15 H2O
Zn + KNO3 + KOH = K2ZnO2 + N2 + H2O =>
5 Zn + 2 KNO3 + 8 KOH = 5 K2ZnO2 + N2 + 4 H2O
Cl2 + H2O + AgNO3 = AgClO3 + HNO3 + AgCl =>
3 Cl2 + 3 H2O + 6 AgNO3 = AgClO3 + 6 HNO3 + 5 AgCl
KOH + I2O5 + KI = K2O + HI2O3 =>
12 KOH + 7 I2O5 + 10 KI = 11 K2O + 12 HI2O3
NH4(OH) + HCl = NH4Cl + H2O =>
NH4(OH) + HCl = NH4Cl + H2O
FeO + H2 = FeOH =>
2 FeO + H2 = 2 FeOH
Cu3(PO4)2 = Cu3 + (PO4)2 =>
Cu3(PO4)2 = Cu3 + (PO4)2
Pb + HClO = PbClO + H2 =>
2 Pb + 2 HClO = 2 PbClO + H2
CH3CH2OH + Cr2O7{2-} + H2SO4 = CH3COOH + Cr2(SO4)3 + SO4{2-} + H2O =>
3 CH3CH2OH + 2 Cr2O7{2-} + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 SO4{2-} + 11 H2O
FeS2 + NaOH = Fe(OH)3 + Na + S =>
FeS2 + 3 NaOH = Fe(OH)3 + 3 Na + 2 S
HOCH2CH2CH2COOH = H2O + CH3CCH2COOH =>
HOCH2CH2CH2COOH = H2O + CH3CCH2COOH
Mg(s) + Cu(No3)2(aq) = Mg(No3)2(aq) + Cu(s) =>
Mg(s) + Cu(No3)2(aq) = Mg(No3)2(aq) + Cu(s)
Cr2(OAc)4(H2O)2 + H2O + O2 = Cr(H2O)5(OH)(OAc)2 =>
2 Cr2(OAc)4(H2O)2 + 18 H2O + O2 = 4 Cr(H2O)5(OH)(OAc)2
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