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4 FeSO4 = 2 Fe2O3 + 4 SO2 + O2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
K2CO3 + Nb2O5 = K3NbO4 + CO2 =>
3 K2CO3 + Nb2O5 = 2 K3NbO4 + 3 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Au + CN{-} + O2 + H2O = Au(CN)2{-} + OH{-} =>
4 Au + 8 CN{-} + O2 + 2 H2O = 4 Au(CN)2{-} + 4 OH{-}
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 3 H2O
HCl + Ca(OH)2 = H2O + CaCl2 =>
2 HCl + Ca(OH)2 = 2 H2O + CaCl2
C3H7OH + O2 = CO + H2O =>
C3H7OH + 3 O2 = 3 CO + 4 H2O
MGO + H2SO4 = MGSO4 + H2O =>
MGO + H2SO4 = MGSO4 + H2O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
HJO3 + HJ = J2 + H2O =>
HJO3 + 5 HJ = 3 J2 + 3 H2O
CuO(aq) + HCl(aq) = CuCl2(aq) + H2O(l) =>
CuO(aq) + 2 HCl(aq) = CuCl2(aq) + H2O(l)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Ch3OH + HI = HOH + Ch3I =>
Ch3OH + HI = HOH + Ch3I
Br2 + S2O32{-} + H2O = Br1{-} + SO42{-} + H{+} =>
103 Br2 + 2 S2O32{-} + 104 H2O = 206 Br1{-} + 4 SO42{-} + 208 H{+}
NaI(s) + H2O(l) = Na2O + HI =>
2 NaI(s) + H2O(l) = Na2O + 2 HI
HBrO3 + HBr = Br2 + H2O =>
HBrO3 + 5 HBr = 3 Br2 + 3 H2O
HNO3 + Sr(OH)2 = Sr(NO3)2 + H2O =>
2 HNO3 + Sr(OH)2 = Sr(NO3)2 + 2 H2O
FeSO4 + NaClO3 + NaOH = Na2FeO4 + Cl2 + Na2SO4 + H2O =>
5 FeSO4 + 4 NaClO3 + 16 NaOH = 5 Na2FeO4 + 2 Cl2 + 5 Na2SO4 + 8 H2O
CuSO4 + H2O = Cu + O2 + H2SO4 =>
2 CuSO4 + 2 H2O = 2 Cu + O2 + 2 H2SO4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C2H5OH + O2 = CH3COOH + H20 =>
10 C2H5OH + 5 O2 = 10 CH3COOH + H20
TlOH + CO2 = TlH + CO3 =>
TlOH + CO2 = TlH + CO3
NASO4 + BACL = BASO4 + NACL =>
NASO4 + BACL = BASO4 + NACL
FeCl2 + H2O2 + HCl = FeCl3 + H2O =>
2 FeCl2 + H2O2 + 2 HCl = 2 FeCl3 + 2 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
SO2 + KMnO4 + H2S = MnSO4 + K2SO4 + H2SO4 =>
6 SO2 + 4 KMnO4 + H2S = 4 MnSO4 + 2 K2SO4 + H2SO4
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Cl2 + O2 = ClO =>
Cl2 + O2 = 2 ClO
Al2 + FeCl2 = AlCl3 + Fe2 =>
2 Al2 + 6 FeCl2 = 4 AlCl3 + 3 Fe2
KMnO4 + H2SO4 + KI = K2SO4 + MnSO4 + I2SO4 + H2O =>
4 KMnO4 + 16 H2SO4 + 10 KI = 7 K2SO4 + 4 MnSO4 + 5 I2SO4 + 16 H2O
Na2S2O3 + H2O2 = Na2SO4 + H2SO4 + H20 =>
20 Na2S2O3 + 50 H2O2 = 20 Na2SO4 + 20 H2SO4 + 3 H20
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
HCl + Sr(OH)2 = SrCl2 + H2O =>
2 HCl + Sr(OH)2 = SrCl2 + 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
HCl + K2Cr2O7 = Cl2 + CrCl3 + KCl + H2O =>
14 HCl + K2Cr2O7 = 3 Cl2 + 2 CrCl3 + 2 KCl + 7 H2O
H3PO4 + O2 = PO4 + H2O =>
4 H3PO4 + 3 O2 = 4 PO4 + 6 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
FeO + Cl2O3 = Fe(ClO2)2 =>
FeO + Cl2O3 = Fe(ClO2)2
C3H7OH + Mg = (C3H7O)2Mg + H2 =>
2 C3H7OH + Mg = (C3H7O)2Mg + H2
C4H9OH + CuO = C4H8OH + H2O + Cu =>
2 C4H9OH + CuO = 2 C4H8OH + H2O + Cu
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