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6 K2CO3 + 4 FeTiO3 + O2 = 4 K2TiO3 + 2 K2Fe2O4 + 6 CO2
Zn + KMnO4 + KOH = K2ZnO2 + MnO2 + H2O =>
3 Zn + 2 KMnO4 + 4 KOH = 3 K2ZnO2 + 2 MnO2 + 2 H2O
I2NaOH = NaIHIO =>
I2NaOH = NaIHIO
Fe2O3 + HI = Fe + HIO3 =>
Fe2O3 + HI = 2 Fe + HIO3
HCl + CaCO3 = CO2 + CaCl2 + H2O =>
2 HCl + CaCO3 = CO2 + CaCl2 + H2O
BaBr2 + AgNO3 = Ba(NO3)2 + AgBr =>
BaBr2 + 2 AgNO3 = Ba(NO3)2 + 2 AgBr
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
MgCl2 + Na3(PO3) = Mg3(PO3)2 + NaCl =>
3 MgCl2 + 2 Na3(PO3) = Mg3(PO3)2 + 6 NaCl
FeCl2 + KSCN = Fe(SCN)2 + KCl =>
FeCl2 + 2 KSCN = Fe(SCN)2 + 2 KCl
C2H4 + MnO4{-} + H2O = C2H4(OH)2 + MnO2 + OH{-} =>
3 C2H4 + 2 MnO4{-} + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 OH{-}
CuI + NaOH = CuOH + NaI =>
CuI + NaOH = CuOH + NaI
FeCl2 + Na3N = Fe3N2 + NaCl =>
3 FeCl2 + 2 Na3N = Fe3N2 + 6 NaCl
H3PO3 + H2O = H3O + HPO3 =>
H3PO3 + 2 H2O = 2 H3O + HPO3
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
Mg + H2SO4 = H2 + MgSO4 =>
Mg + H2SO4 = H2 + MgSO4
BaCO3 + Bi2O3 + RuO2 = Ba3BiRu2O9 + CO + O2 =>
12 BaCO3 + 2 Bi2O3 + 8 RuO2 = 4 Ba3BiRu2O9 + 12 CO + 5 O2
HC1 + A1 = H2 + A1C =>
2 HC1 + 2 A1 = H2 + 2 A1C
Ca(s) + H2O(l) = Ca(OH)2 + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2 + H2(g)
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
HC1 + A1 = H2 + A1C =>
2 HC1 + 2 A1 = H2 + 2 A1C
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Cr2O7{2-} + H{+} + F{-} = Cr{3+} + F2 + H2O =>
Cr2O7{2-} + 14 H{+} + 6 F{-} = 2 Cr{3+} + 3 F2 + 7 H2O
[Cu(NH3)4]SO4 + H2S = CuS + (NH4)2SO4 + NH3 =>
[Cu(NH3)4]SO4 + H2S = CuS + (NH4)2SO4 + 2 NH3
PbCl2 + HCl + Cl2 = H2[PbCl6] =>
PbCl2 + 2 HCl + Cl2 = H2[PbCl6]
Cu2Cl = Cu + Cl2 =>
2 Cu2Cl = 4 Cu + Cl2
NH2SO3H + NaOH = NaNH2SO3 + H2O =>
NH2SO3H + NaOH = NaNH2SO3 + H2O
A + E = AE =>
A + E = AE
Hg2O + H2O = HgOH =>
Hg2O + H2O = 2 HgOH
Sb + Br2 = Sb2Br3 =>
4 Sb + 3 Br2 = 2 Sb2Br3
ZrCl4 + H2O = ZrO2 + HCl =>
ZrCl4 + 2 H2O = ZrO2 + 4 HCl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
TiO = Ti + O =>
TiO = Ti + O
PCl5 + KMnO4 = KCl + MnO2 + Cl2 + POCl3 =>
4 PCl5 + 2 KMnO4 = 2 KCl + 2 MnO2 + 3 Cl2 + 4 POCl3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
H(CN) + Ba = HBa + CN =>
H(CN) + Ba = HBa + CN
KMnO4 + HCOOK = K2CO3 + KHCO3 + MnO2 + H2O =>
2 KMnO4 + 3 HCOOK = 2 K2CO3 + KHCO3 + 2 MnO2 + H2O
Cu(OH)2 + Na2CO3 = CuCO3 + NaOH =>
Cu(OH)2 + Na2CO3 = CuCO3 + 2 NaOH
CuO + Mg(OH)2 = Cu(OH)2 + MgO =>
CuO + Mg(OH)2 = Cu(OH)2 + MgO
H2S + Ca(No3)2 = HNo3 + CaS =>
H2S + Ca(No3)2 = 2 HNo3 + CaS
CuS + HNO3 = CuSO4 + H2O + NO2 =>
CuS + 8 HNO3 = CuSO4 + 4 H2O + 8 NO2
KI + NaMnO4 = I2 + MnO2 + Na2O + KMnO4 =>
6 KI + 8 NaMnO4 = 3 I2 + 2 MnO2 + 4 Na2O + 6 KMnO4
MgS2 + O2 = MgO + SO2 =>
2 MgS2 + 5 O2 = 2 MgO + 4 SO2
CH4 + MnO2 + H{+} = Mn{+2} + HCO3{-} + H2O =>
CH4 + 4 MnO2 + 7 H{+} = 4 Mn{+2} + HCO3{-} + 5 H2O
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + SZn(aq) =>
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + SZn(aq)
Al(NO3)3 + CO2 = Al2O3 + C(NO3)4 =>
4 Al(NO3)3 + 3 CO2 = 2 Al2O3 + 3 C(NO3)4
C4H9OH + Ca = (C4H9O)2Ca + H2 =>
2 C4H9OH + Ca = (C4H9O)2Ca + H2
CH3(CH2)4OH + CH3COOH = CH3(CH2)4OOCH3 =>
2 CH3(CH2)4OH + CH3COOH = 2 CH3(CH2)4OOCH3
AgNO3(aq) + RbBr(aq) = AgBr(s) + RbNO3(aq) =>
AgNO3(aq) + RbBr(aq) = AgBr(s) + RbNO3(aq)
Cr(NO3)3 + Fe(SO4) = Cr2(SO4)3 + Fe(NO3)2 =>
2 Cr(NO3)3 + 3 Fe(SO4) = Cr2(SO4)3 + 3 Fe(NO3)2
Fe + S = Fe2S3 =>
2 Fe + 3 S = Fe2S3
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