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2 Fe2O3 + 3 C = 4 Fe + 3 CO2
H2O2 + HCl = H2O + Cl2 =>
H2O2 + 2 HCl = 2 H2O + Cl2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
CH3COOC2H5 + NAOH = C2H5OH + CH3COONA =>
CH3COOC2H5 + NAOH = C2H5OH + CH3COONA
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
BaO2 + HCl = BaCl2 + H2O2 =>
BaO2 + 2 HCl = BaCl2 + H2O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C2H3Br + KMnO4 + H2O = C2H3(OH)2Br + MnO2 + KOH =>
3 C2H3Br + 2 KMnO4 + 4 H2O = 3 C2H3(OH)2Br + 2 MnO2 + 2 KOH
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
NH4Cl + Ca(OH)2 = NH3 + H2O + CaCl2 =>
2 NH4Cl + Ca(OH)2 = 2 NH3 + 2 H2O + CaCl2
As2S3 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 As2S3 + 28 HNO3 + 4 H2O = 6 H3AsO4 + 9 H2SO4 + 28 NO
Al(OH)3 + Al2(SO4)3 + MgO + H2O = Al5Mg10(OH)31(SO4)2 =>
11 Al(OH)3 + 2 Al2(SO4)3 + 30 MgO + 30 H2O = 3 Al5Mg10(OH)31(SO4)2
O = O5 =>
5 O = O5
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2SO4 + NaCl = Na2SO4 + HCl =>
H2SO4 + 2 NaCl = Na2SO4 + 2 HCl
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
AgNO3(aq) + HCl(aq) = AgCl(k) + HNO3(aq) =>
AgNO3(aq) + HCl(aq) = AgCl(k) + HNO3(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
O = O3 =>
3 O = O3
Ag2SO3 = Ag + SO3 =>
Ag2SO3 = 2 Ag + SO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
O = O5 =>
5 O = O5
Zn + HNO3 = NH4(NO3) + Zn(NO3)2 + H2O =>
4 Zn + 10 HNO3 = NH4(NO3) + 4 Zn(NO3)2 + 3 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
H2SO4 + NaCl = Na2SO4 + HCl =>
H2SO4 + 2 NaCl = Na2SO4 + 2 HCl
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
H2So4 + LiOH = Li2So4 + H2O =>
H2So4 + 2 LiOH = Li2So4 + 2 H2O
H2SO4 + NaCl = Na2SO4 + HCl =>
H2SO4 + 2 NaCl = Na2SO4 + 2 HCl
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
Pb(NO3)2(aq) + NACl(aq) = PbCl2(s) + NANO3(aq) =>
Pb(NO3)2(aq) + 2 NACl(aq) = PbCl2(s) + 2 NANO3(aq)
Al(OH)3 + Al2(SO4)3 + MgO + H2O = Al5Mg10(OH)31(SO4)2 =>
11 Al(OH)3 + 2 Al2(SO4)3 + 30 MgO + 30 H2O = 3 Al5Mg10(OH)31(SO4)2
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al(OH)3 + H3PO4 = AlPO4 + H2O =>
Al(OH)3 + H3PO4 = AlPO4 + 3 H2O
O = O5 =>
5 O = O5
KI + CuSO4 = Cu + KISO4 =>
KI + CuSO4 = Cu + KISO4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C4N11H3 + N2H4O3 = H2O + CO2 + N2 =>
2 C4N11H3 + 19 N2H4O3 = 41 H2O + 8 CO2 + 30 N2
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
O2 = O5 =>
5 O2 = 2 O5
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