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4 Fe + 3 O2 = 2 Fe2O3
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
Mg + CH3OOH = Mg(CH3OO)2 + H2 =>
Mg + 2 CH3OOH = Mg(CH3OO)2 + H2
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
BeCl2 + AgNO3 = AgCl + Be(NO3)2 =>
BeCl2 + 2 AgNO3 = 2 AgCl + Be(NO3)2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg + FeCl3 = MgCl2 + Fe =>
3 Mg + 2 FeCl3 = 3 MgCl2 + 2 Fe
CH + O2 = CO2 + H2O =>
4 CH + 5 O2 = 4 CO2 + 2 H2O
Fe2N2 = (t)FeN =>
Fe2N2 = 2(t)FeN
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
HNO3 + KMnO4 = KHNO3 + MnO4 =>
HNO3 + KMnO4 = KHNO3 + MnO4
NH4ClKOH = KClNH3H2O =>
NH4ClKOH = KClNH3H2O
KMnO4 + Na2S + H2SO4 = MnSO4 + S + K2SO4 + NaOH =>
2 KMnO4 + 2 Na2S + 2 H2SO4 = 2 MnSO4 + S + K2SO4 + 4 NaOH
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
NH4VO3 + HCl + SnCl2 = VOCl2 + SnCl4 + H2O + NH4Cl =>
2 NH4VO3 + 8 HCl + SnCl2 = 2 VOCl2 + SnCl4 + 4 H2O + 2 NH4Cl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
Al + I2 = Al2I6 =>
2 Al + 3 I2 = Al2I6
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
AgF2 = Ag + F2 =>
AgF2 = Ag + F2
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
AlBr3 + I2 = AlI3 + Br2 =>
2 AlBr3 + 3 I2 = 2 AlI3 + 3 Br2
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
C2H5OH + K2Cr2O7 + H2SO4 = C2H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C2H4O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
C3H7COOH + NaOH = NaC3H7COO + H2O =>
C3H7COOH + NaOH = NaC3H7COO + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C15H31COOH + O2 = CO2 + H2O =>
C15H31COOH + 23 O2 = 16 CO2 + 16 H2O
C6H5COOHPCl5 = C6H5COClPOCl3HCl =>
C6H5COOHPCl5 = C6H5COClPOCl3HCl
MgBr2 + Cl2 = MgCl2 + Br2 =>
MgBr2 + Cl2 = MgCl2 + Br2
Br + Pb(No3)2 = PbBr2 + No3 =>
2 Br + Pb(No3)2 = PbBr2 + 2 No3
CaCO3 + H2O = Ca(OH)2 + Ca(HCO3)2 =>
2 CaCO3 + 2 H2O = Ca(OH)2 + Ca(HCO3)2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Mg3N2 + O2 = MgO + N2O5 =>
Mg3N2 + 4 O2 = 3 MgO + N2O5
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
CH3CH2OH + Na2CO3 + Na2SO4 = Na3SO4 + CH3COOH + H2 =>
4 CH3CH2OH + 2 Na2CO3 + 4 Na2SO4 = 4 Na3SO4 + 5 CH3COOH + 2 H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
KBrNaOH = NaBrKOH =>
KBrNaOH = NaBrKOH
Ag + H2SO4 = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O
CuCl2 + NaNO3 = Cu(NO3)2 + NaCl =>
CuCl2 + 2 NaNO3 = Cu(NO3)2 + 2 NaCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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