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2 Ca5 + 25 O2 = 10 CaO5
Cl2 + HOH = HCl + O2 =>
2 Cl2 + 2 HOH = 4 HCl + O2
C + O1 = CO2 =>
C + 2 O1 = CO2
Ag + Cu = AgCu =>
Ag + Cu = AgCu
H2Se + H2O = H3O + Se =>
H2Se + 2 H2O = 2 H3O + Se
BaCl2(S) + O2(g) = Ba(ClO3)2(S) =>
BaCl2(S) + 3 O2(g) = Ba(ClO3)2(S)
CrCl3 + H2S(g) = Cr2S3(s) + HCl(aq) =>
2 CrCl3 + 3 H2S(g) = Cr2S3(s) + 6 HCl(aq)
NaCrO4 + H2SO4 = Na2SO4 + HCrO4 =>
2 NaCrO4 + H2SO4 = Na2SO4 + 2 HCrO4
K2CO3 + C = CO + K =>
K2CO3 + 2 C = 3 CO + 2 K
Cs2CO3 + HI = CsI + H2CO3 =>
Cs2CO3 + 2 HI = 2 CsI + H2CO3
Pb + H{+} + O2 = Pb{2+} + H2O =>
2 Pb + 4 H{+} + O2 = 2 Pb{2+} + 2 H2O
H + Ag2CO3 = H2CO3 + Ag =>
2 H + Ag2CO3 = H2CO3 + 2 Ag
C2H5OH + O2 = (CO2) + (H2O) =>
C2H5OH + 3 O2 = 2(CO2) + 3(H2O)
Fe + As = FeAs =>
Fe + As = FeAs
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NiCl2 + K(OH) = Ni(OH)2 + KCl =>
NiCl2 + 2 K(OH) = Ni(OH)2 + 2 KCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Zn + Pb3N2 = Zn3N + Pb =>
6 Zn + Pb3N2 = 2 Zn3N + 3 Pb
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C2H22 + O2 = CO2 + H2O =>
2 C2H22 + 15 O2 = 4 CO2 + 22 H2O
Mn + Br2 = Mn2Br3 =>
4 Mn + 3 Br2 = 2 Mn2Br3
Ni + H2SO3 = Ni(SO3)3 + H2 =>
Ni + 3 H2SO3 = Ni(SO3)3 + 3 H2
NH3 + H2 + C6H10O4 = C6H16N2 + H2O =>
2 NH3 + 4 H2 + C6H10O4 = C6H16N2 + 4 H2O
Ca + Na2S = CaS + Na =>
Ca + Na2S = CaS + 2 Na
K3[Al(OH)6] + H2CO3 = Al(OH)3 + KHCO3 + H2O =>
K3[Al(OH)6] + 3 H2CO3 = Al(OH)3 + 3 KHCO3 + 3 H2O
CaSiO3 + P2O5 + H2O = Ca(HPO4)*2H2O + H2SiO3 =>
2 CaSiO3 + P2O5 + 7 H2O = 2 Ca(HPO4)*2H2O + 2 H2SiO3
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
CuSO4H2O(s) = CuSO4(s) + H2O(g) =>
CuSO4H2O(s) = CuSO4(s) + H2O(g)
Sc2(SO3)3 + H2SO4 = Sc2(SO4)3 + H2SO3 =>
Sc2(SO3)3 + 3 H2SO4 = Sc2(SO4)3 + 3 H2SO3
(NH4)2S + K2Cr2O7 + H2SO4 = S + Cr(OH)3 + KOH + NH3 =>
15(NH4)2S + 4 K2Cr2O7 + H2SO4 = 16 S + 8 Cr(OH)3 + 8 KOH + 30 NH3
Fe + Pd = Fe2Pd3 =>
2 Fe + 3 Pd = Fe2Pd3
PH3 + NO = H3PO4 + N2 =>
PH3 + 4 NO = H3PO4 + 2 N2
Li2O + MnO2 = LiMn2O4 + O2 =>
2 Li2O + 8 MnO2 = 4 LiMn2O4 + O2
H2(SO3) + Mg(OH)2 = H2O + Mg(SO3) =>
H2(SO3) + Mg(OH)2 = 2 H2O + Mg(SO3)
C2H4O + KMnO4 + KOH = C2H3O2K + MnO2 + H2O =>
3 C2H4O + 2 KMnO4 + KOH = 3 C2H3O2K + 2 MnO2 + 2 H2O
Al + Na(OH)2 = NaAlO2 + H2 =>
Al + Na(OH)2 = NaAlO2 + H2
K2S + KMnO4 + H2O = SO2 + MnO2 + KOH =>
K2S + 2 KMnO4 + 2 H2O = SO2 + 2 MnO2 + 4 KOH
ZnS + H2O2 = ZnO2 + H2S =>
ZnS + H2O2 = ZnO2 + H2S
C2H5NH2 + H2O = HC2H5NH2 + OH =>
C2H5NH2 + H2O = HC2H5NH2 + OH
Cr{2+} + Al = Cr + Al{3+} =>
3 Cr{2+} + 2 Al = 3 Cr + 2 Al{3+}
Cu{2+} + AgNO3 = Ag{+} + Cu(NO3)2 =>
Cu{2+} + 2 AgNO3 = 2 Ag{+} + Cu(NO3)2
CH2CHCN + H2 = H2N(CH2)6NH2 =>
2 CH2CHCN + 5 H2 = H2N(CH2)6NH2
C36H74 + O2 = CO2 + H2O =>
2 C36H74 + 109 O2 = 72 CO2 + 74 H2O
As2S5 + HCl = AsCl3 + S + H2S =>
As2S5 + 6 HCl = 2 AsCl3 + 2 S + 3 H2S
H2O1 + Fe = Fe2O3 + H2 =>
3 H2O1 + 2 Fe = Fe2O3 + 3 H2
Mn2O3 + H2SO3 = Mn2(SO3)3 + H2O =>
Mn2O3 + 3 H2SO3 = Mn2(SO3)3 + 3 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
NiSO4 + CaCl2 = NiCl2 + CaSO4 =>
NiSO4 + CaCl2 = NiCl2 + CaSO4
CuSO4 + H3PO2 + H2O = Cu2O + H3PO4 + H2SO4 =>
4 CuSO4 + H3PO2 + 4 H2O = 2 Cu2O + H3PO4 + 4 H2SO4
Ca(NO3)2 + NaF = CaF2 + NaNO3 =>
Ca(NO3)2 + 2 NaF = CaF2 + 2 NaNO3
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