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2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
H2J2 = HJ =>
H2J2 = 2 HJ
Cl + O2 = Cl2O =>
4 Cl + O2 = 2 Cl2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
SO4{2-} + H{+} + e = H2SO3{-} + H2O =>
SO4{2-} + 4 H{+} + 3e = H2SO3{-} + H2O
BaCl2 + H3PO4 = Ba3(PO4)2 + HCl =>
3 BaCl2 + 2 H3PO4 = Ba3(PO4)2 + 6 HCl
CaCO3 + HNO3 = CO2 + Ca(NO3)2 + H2O =>
CaCO3 + 2 HNO3 = CO2 + Ca(NO3)2 + H2O
Al2O3 + Na2O = Na2Al2O4 =>
Al2O3 + Na2O = Na2Al2O4
CrI3 + Cl2 + OH{-} = CrO4{-} + IO4{-} + Cl{-} + H2O =>
CrI3 + 14 Cl2 + 32 OH{-} = CrO4{-} + 3 IO4{-} + 28 Cl{-} + 16 H2O
(CH3COO)2Pb + H2S = (CH3COO)H + PbS =>
(CH3COO)2Pb + H2S = 2(CH3COO)H + PbS
As2O3 + H2O = H2As2O3 + OH =>
As2O3 + 2 H2O = H2As2O3 + 2 OH
KNO3 + MgCl2 = KCl + Mg(NO3)2 =>
2 KNO3 + MgCl2 = 2 KCl + Mg(NO3)2
Al + HCl = AlCl3 + H2 = NO + H2O =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ba(NO3)2 + KCl = BaCl2 + KNO3 =>
Ba(NO3)2 + 2 KCl = BaCl2 + 2 KNO3
C6H10 + MnO4{-} + H2O = C6H10(OH)2 + MnO2 + OH{-} =>
3 C6H10 + 2 MnO4{-} + 4 H2O = 3 C6H10(OH)2 + 2 MnO2 + 2 OH{-}
FeBr3 + KCl = FeCl3 + KBr =>
FeBr3 + 3 KCl = FeCl3 + 3 KBr
SO2Cu(OH)2 = CuSO3H2O =>
SO2Cu(OH)2 = CuSO3H2O
CO2 + CaO = CaCO + O2 =>
CO2 + CaO = CaCO + O2
C10H12 + O2 = H2O + CO2 =>
C10H12 + 13 O2 = 6 H2O + 10 CO2
NiS + H2SO4 = NiSO4 + H2S =>
NiS + H2SO4 = NiSO4 + H2S
Fe + NiSO4 = Fe(SO4)4 + Ni =>
Fe + 4 NiSO4 = Fe(SO4)4 + 4 Ni
CrCl3 + Na2SO3 = Cr + NaCl + SO2 + O =>
2 CrCl3 + 3 Na2SO3 = 2 Cr + 6 NaCl + 3 SO2 + 3 O
Cs + O2 = Cs2O2 =>
2 Cs + O2 = Cs2O2
KOH + FeCl3 = Fe(OH)3 + KCl =>
3 KOH + FeCl3 = Fe(OH)3 + 3 KCl
MgSO4 = Mg2 + (SO4)2 =>
2 MgSO4 = Mg2 + (SO4)2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cr2O7{2-} + I{-} + H{+} = I2 + Cr3{+} + H2O =>
3 Cr2O7{2-} + 34 I{-} + 42 H{+} = 17 I2 + 2 Cr3{+} + 21 H2O
KIO3 + NaCl = NaOCl + KI =>
KIO3 + 3 NaCl = 3 NaOCl + KI
Zn + CuBr2 = ZnBr2 + Cu2 =>
2 Zn + 2 CuBr2 = 2 ZnBr2 + Cu2
H2SeO3 + KI + HCl = Se + I2 + KCl + H2O =>
H2SeO3 + 4 KI + 4 HCl = Se + 2 I2 + 4 KCl + 3 H2O
NaCl + Mg = Na + MgCl2 =>
2 NaCl + Mg = 2 Na + MgCl2
Cu2(SO4)2 + NaOH = Cu2(OH)2 + NaSO4 =>
Cu2(SO4)2 + 2 NaOH = Cu2(OH)2 + 2 NaSO4
P4(s) + NaOH(aq) + H2O(l) = PH3(g)Na2 + HPO3(aq) =>
P4(s) + 4 NaOH(aq) + 2 H2O(l) = 2 PH3(g)Na2 + 2 HPO3(aq)
MnO4{-} + H{+} + e = Mn{4+} + H2O =>
MnO4{-} + 8 H{+} + 3e = Mn{4+} + 4 H2O
BaCl2 + Na2SO4 + H2O = BaSO4 + NaOH + HCl =>
BaCl2 + Na2SO4 + 2 H2O = BaSO4 + 2 NaOH + 2 HCl
Na2FeO4 + HCl = NaCl + Cl2 + FeCl3 + H2O =>
2 Na2FeO4 + 16 HCl = 4 NaCl + 3 Cl2 + 2 FeCl3 + 8 H2O
C2H5F + F2 = C2H4F2 + HF =>
C2H5F + F2 = C2H4F2 + HF
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
HBrO4 + H2O = H3O + BrO4 =>
HBrO4 + H2O = H3O + BrO4
NH3 + SO3 = (NH4)2SO3 + N2H2 =>
6 NH3 + 2 SO3 = 2(NH4)2SO3 + N2H2
Na2SO3 + HI = NaHSO3 + NaI =>
Na2SO3 + HI = NaHSO3 + NaI
FeS2 + O2 = Fe + SO2 =>
FeS2 + 2 O2 = Fe + 2 SO2
C2H52OH + O2 = CO2 + H2O =>
4 C2H52OH + 59 O2 = 8 CO2 + 106 H2O
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
HCl + CuO = Cu(Cl)2 + H2O =>
2 HCl + CuO = Cu(Cl)2 + H2O
CrCl2 + Na3PO4 = Cr3(PO4)2 + NaCl =>
3 CrCl2 + 2 Na3PO4 = Cr3(PO4)2 + 6 NaCl
NaOH + FeBr2 = NaBr + Fe(OH)2 =>
2 NaOH + FeBr2 = 2 NaBr + Fe(OH)2
Fe2(SO4)3 + NaHS = FeSO4 + S + Na2(SO4) + H2SO4 =>
2 Fe2(SO4)3 + 2 NaHS = 4 FeSO4 + 2 S + Na2(SO4) + H2SO4
FeCl3 + Ca(HO)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(HO)2 = 2 Fe(OH)3 + 3 CaCl2
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