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Fe + {2} = Fe{2}0{3}
Br2 + NaI = NaBr2 + I =>
Br2 + NaI = NaBr2 + I
HCHO2 + NaHCO3 = CO2 + H2O + NaCHO2 =>
HCHO2 + NaHCO3 = CO2 + H2O + NaCHO2
C8H9NO + O2 = CO2 + H2O + N2 =>
4 C8H9NO + 39 O2 = 32 CO2 + 18 H2O + 2 N2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaI + KI = NaK + I2 =>
NaI + KI = NaK + I2
Al + Na2O2 = Al2O3 + Na =>
4 Al + 3 Na2O2 = 2 Al2O3 + 6 Na
H2CO3 + Al(OH)3 = H2O + Al2(CO3)3 =>
3 H2CO3 + 2 Al(OH)3 = 6 H2O + Al2(CO3)3
CrO2Cl2 + H2O = H2Cr2O7 + HCl =>
2 CrO2Cl2 + 3 H2O = H2Cr2O7 + 4 HCl
CrO2Cl2 + H2O = H2CrO4 + HCl =>
CrO2Cl2 + 2 H2O = H2CrO4 + 2 HCl
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
Cu + ZnSO4 = CuSO4(aq) + Zn(s) =>
Cu + ZnSO4 = CuSO4(aq) + Zn(s)
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
FeSO4 + NaOH + O2 = FeOOH + Na2SO4 + H2O =>
4 FeSO4 + 8 NaOH + O2 = 4 FeOOH + 4 Na2SO4 + 2 H2O
Mg + Al + H2SO4 = H2 + MgAlSO4 =>
Mg + Al + H2SO4 = H2 + MgAlSO4
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
GaO3 + DaO4 = GaO4 + Da03 =>
12 GaO3 + 3 DaO4 = 12 GaO4 + Da03
Fe + SnSO4 = Sn + FeSO4 =>
Fe + SnSO4 = Sn + FeSO4
H2PO4 + NaOH = H2O + NaHPO4 =>
H2PO4 + NaOH = H2O + NaHPO4
Al + HNO3 = Al(NO3)3 + NH4NO3 + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 NH4NO3 + 9 H2O
SO2 + O2 + KOH = K2SO4 + H2O =>
2 SO2 + O2 + 4 KOH = 2 K2SO4 + 2 H2O
H3PO4 = H2O + H4P2O7 =>
2 H3PO4 = H2O + H4P2O7
Na + Mn = NaMn =>
Na + Mn = NaMn
CH3COONaHCl = ClCH3COONaH =>
CH3COONaHCl = ClCH3COONaH
NaOH + Al2(SO3)3 = Na2SO3 + Al(OH)3 =>
6 NaOH + Al2(SO3)3 = 3 Na2SO3 + 2 Al(OH)3
HBr(aq) + Ca(OH)2(aq) = H2O(l) + CaBr2(s) =>
2 HBr(aq) + Ca(OH)2(aq) = 2 H2O(l) + CaBr2(s)
SnCl2 + I2 = SnCl4 + SnI2 =>
2 SnCl2 + I2 = SnCl4 + SnI2
SnCl2 + I2 = SnCl4 + SnI4 =>
2 SnCl2 + 2 I2 = SnCl4 + SnI4
P2O3 + KClO3 + KOH = KCl + K3PO4 + H2O =>
3 P2O3 + 2 KClO3 + 18 KOH = 2 KCl + 6 K3PO4 + 9 H2O
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Na + H3PO4 = Na3PO4 + H2 =>
6 Na + 2 H3PO4 = 2 Na3PO4 + 3 H2
NH4Cl + K2(HgI4) + KOH = Hg2NI*H2O + KI + KCl + H2O =>
NH4Cl + 2 K2(HgI4) + 4 KOH = Hg2NI*H2O + 7 KI + KCl + 3 H2O
CH3COCH3 + H2SO4 = C3H8SO5 =>
CH3COCH3 + H2SO4 = C3H8SO5
Au + Fe2O3 = Fe + Au2O =>
6 Au + Fe2O3 = 2 Fe + 3 Au2O
H2 + OH = H2O =>
H2 + 2 OH = 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Ba(NO3)2 + K2CO3 = BaCO3 + KNO3 =>
Ba(NO3)2 + K2CO3 = BaCO3 + 2 KNO3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
Ag2S + H2SO4 = Ag2SO4 + SO2 + H2O =>
Ag2S + 4 H2SO4 = Ag2SO4 + 4 SO2 + 4 H2O
K + N2 = K3N =>
6 K + N2 = 2 K3N
SCl6 = S + Cl2 =>
SCl6 = S + 3 Cl2
SnCl2 + I2 = SnI2 + Cl =>
SnCl2 + I2 = SnI2 + 2 Cl
Fe2O3 + Au = AuO + Fe =>
Fe2O3 + 3 Au = 3 AuO + 2 Fe
CuSO4 + NaHCO3 = Cu2(OH)2CO3 + Na2SO4 + CO2 + H2O =>
2 CuSO4 + 4 NaHCO3 = Cu2(OH)2CO3 + 2 Na2SO4 + 3 CO2 + H2O
NaHCO3 = Na2CO3*H2O + CO2 =>
2 NaHCO3 = Na2CO3*H2O + CO2
Fe + H20SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H20SO4 = Fe2(SO4)3 + 30 H2
Zn + Pb(NO3)2 = ZnNO3 + Pb2 =>
4 Zn + 2 Pb(NO3)2 = 4 ZnNO3 + Pb2
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