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Ca + 2 H2O = Ca(OH)2 + H2
H2 + Al2O3 = Al + H2O =>
3 H2 + Al2O3 = 2 Al + 3 H2O
MnO2 + Fe{2+} + H{+} = Mn{2+} + H2O + Fe{3+} =>
MnO2 + 2 Fe{2+} + 4 H{+} = Mn{2+} + 2 H2O + 2 Fe{3+}
CrCl2 + H2SO4 = Cr(SO4) + HCl =>
CrCl2 + H2SO4 = Cr(SO4) + 2 HCl
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Ca(NO3)2 + SiO2 = Si(NO3)2 + CaO2 =>
Ca(NO3)2 + SiO2 = Si(NO3)2 + CaO2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
BaCl2 + CaCo3 = Ba(Co3)2 + CaCl =>
BaCl2 + 2 CaCo3 = Ba(Co3)2 + 2 CaCl
Pd + H2 + C + O2 = Pd(CH3COO)2 =>
Pd + 3 H2 + 4 C + 2 O2 = Pd(CH3COO)2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
Fe + BaO = FeO + Ba =>
Fe + BaO = FeO + Ba
CO + Cr2O3 = CO2 + Cr =>
3 CO + Cr2O3 = 3 CO2 + 2 Cr
FeCl3*6H2O = Fe(OH)3 + HCl + H2O =>
FeCl3*6H2O = Fe(OH)3 + 3 HCl + 3 H2O
HClO4 + H2S = HClO3 + H2O + S =>
HClO4 + H2S = HClO3 + H2O + S
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
(C5H5) + Fe = Fe(C5H5)2 =>
2(C5H5) + Fe = Fe(C5H5)2
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
C + H2 = C2H4 =>
2 C + 2 H2 = C2H4
KMnO4(aq) + Na2C2O4(aq) + H2SO4(aq) = K2SO4(aq) + CO2(g) + MnSO4(aq) + Na2SO4(aq) + H2O(l) =>
2 KMnO4(aq) + 5 Na2C2O4(aq) + 8 H2SO4(aq) = K2SO4(aq) + 10 CO2(g) + 2 MnSO4(aq) + 5 Na2SO4(aq) + 8 H2O(l)
CO + Cr2O3 = CO2 + Cr =>
3 CO + Cr2O3 = 3 CO2 + 2 Cr
Al2(SO4)3 + CH3COONa + H2O = Al(OH)(CH3COO)2 + CH3COOH + Na2SO4 =>
Al2(SO4)3 + 6 CH3COONa + 2 H2O = 2 Al(OH)(CH3COO)2 + 2 CH3COOH + 3 Na2SO4
F2 + HBr = Br2 + HF =>
F2 + 2 HBr = Br2 + 2 HF
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
C6H12 + H2O = CH4 + CO2 =>
2 C6H12 + 6 H2O = 9 CH4 + 3 CO2
Sb2S3 + HCl = SbCl3 + H2S =>
Sb2S3 + 6 HCl = 2 SbCl3 + 3 H2S
AClO3 = ACl + O2(g) =>
2 AClO3 = 2 ACl + 3 O2(g)
K3P + O2 = K2O + P =>
4 K3P + 3 O2 = 6 K2O + 4 P
Ag + S8 = Ag2S =>
16 Ag + S8 = 8 Ag2S
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
At + O2 = At2O5 =>
4 At + 5 O2 = 2 At2O5
Ge + HCl = GeCl4 + H2 =>
Ge + 4 HCl = GeCl4 + 2 H2
Na2S2O3 + H2O2 + NaOH = Na2SO3 + H2O =>
Na2S2O3 + 2 H2O2 + 2 NaOH = 2 Na2SO3 + 3 H2O
AlCl3 + Na2CO3 = Al2(CO3)3 + NaCl =>
2 AlCl3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaCl
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
HPO3 + Fe(OH)3 = Fe(PO3)3 + H2O =>
3 HPO3 + Fe(OH)3 = Fe(PO3)3 + 3 H2O
PH3 + H2O = H3PO2 + H =>
PH3 + 2 H2O = H3PO2 + 4 H
NH4OH + HgCl2 = (NH4)2Cl2 + Hg(OH)2 =>
2 NH4OH + HgCl2 = (NH4)2Cl2 + Hg(OH)2
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
H4N2 + H2O2 = HNO3 + H2O =>
H4N2 + 7 H2O2 = 2 HNO3 + 8 H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
O2 + H3O = H2O =>
O2 + 4 H3O = 6 H2O
K + Cl + O = KClO3 =>
K + Cl + 3 O = KClO3
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Cl2H4MgO2 = H + Cl2H3MgO2 =>
Cl2H4MgO2 = H + Cl2H3MgO2
Na2CO3 + HC2H3O2 = CO2 + H2O + NaC2H2O =>
4 Na2CO3 + 9 HC2H3O2 = 6 CO2 + 10 H2O + 8 NaC2H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Mg + As4 = Mg3As2 =>
6 Mg + As4 = 2 Mg3As2
Na2(HPO4) + Al(NO3)3 = Na(NO3) + Al2(HPO4)3 =>
3 Na2(HPO4) + 2 Al(NO3)3 = 6 Na(NO3) + Al2(HPO4)3
Na + S = Na2S =>
2 Na + S = Na2S
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