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2 Al2O3 = 4 Al + 3 O2
C4H8 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
5 C4H8 + 8 KMnO4 + 12 H2SO4 = 10 CH3COOH + 4 K2SO4 + 8 MnSO4 + 12 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
KMnO4 + Na2SiF6 = Na2MnO4 + KSiF6 =>
KMnO4 + Na2SiF6 = Na2MnO4 + KSiF6
SiCl4 = Si + Cl2 =>
SiCl4 = Si + 2 Cl2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Cl2 + MgBr2 = MgCl2 + Br2 =>
Cl2 + MgBr2 = MgCl2 + Br2
Na2SiO3 + HF = NaF + H2O + SiF4 =>
Na2SiO3 + 6 HF = 2 NaF + 3 H2O + SiF4
C + H2 = CH4 =>
C + 2 H2 = CH4
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
KMnO4 + Na2SiF6 = Na2MnO4 + KSiF6 =>
KMnO4 + Na2SiF6 = Na2MnO4 + KSiF6
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 7 H2O
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
CH3NH2 + HNO3 = CH3NH3 + NO3 =>
CH3NH2 + HNO3 = CH3NH3 + NO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
KMnO4 + Na2SiF6 = Na2MnO4 + KSiF6 =>
KMnO4 + Na2SiF6 = Na2MnO4 + KSiF6
H2SO4 = SO2 + H2O + O =>
H2SO4 = SO2 + H2O + O
(NH4)2S + CoCl3 = Co2S3 + NH4Cl =>
3(NH4)2S + 2 CoCl3 = Co2S3 + 6 NH4Cl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
H2SO4 = SO3 + H2O =>
H2SO4 = SO3 + H2O
KMnO4 + KBr + H2SO4 = Br + MnSO4 + H2O + K2SO4 =>
KMnO4 + 5 KBr + 4 H2SO4 = 5 Br + MnSO4 + 4 H2O + 3 K2SO4
Na2CO3 + Fe(NO3)3 = Fe2(CO3)3 + NaNO3 =>
3 Na2CO3 + 2 Fe(NO3)3 = Fe2(CO3)3 + 6 NaNO3
H2SO4 = S + O2 + H2O =>
2 H2SO4 = 2 S + 3 O2 + 2 H2O
FeS2 + Cl2 = FeCl3 + S2Cl2 =>
2 FeS2 + 5 Cl2 = 2 FeCl3 + 2 S2Cl2
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Fe + Ca(NO3)2 + H{+} = Fe{+3} + NH4{+} + Ca(OH2) + H2O =>
6 Fe + Ca(NO3)2 + 20 H{+} = 6 Fe{+3} + 2 NH4{+} + Ca(OH2) + 5 H2O
Al2(SO4)3 + Ba(OH)2 = Al(OH)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaSO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K2CrO4 + AgNO3 = KNO3 + Ag2CrO4 =>
K2CrO4 + 2 AgNO3 = 2 KNO3 + Ag2CrO4
KCl + H2SO4 + MnO2 = MnCl2 + K2SO4 + Cl2 + H2O =>
4 KCl + 2 H2SO4 + MnO2 = MnCl2 + 2 K2SO4 + Cl2 + 2 H2O
H3PO4 + K2CO3 = K3PO4 + CO2 + H2O =>
2 H3PO4 + 3 K2CO3 = 2 K3PO4 + 3 CO2 + 3 H2O
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
H3PO4 + KOH = H2O + K3PO4 =>
H3PO4 + 3 KOH = 3 H2O + K3PO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HgCl2 + AgNO3 = Hg(NO3)2 + AgCl =>
HgCl2 + 2 AgNO3 = Hg(NO3)2 + 2 AgCl
(NH4)2CO3 + NaOH = Na2CO3 + NH3 + H2O =>
(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH3 + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
FeS2 + HNO3 = Fe(NO3)3 + NO + H2SO4 + H2O =>
FeS2 + 8 HNO3 = Fe(NO3)3 + 5 NO + 2 H2SO4 + 2 H2O
Al + Hg(CH3COO)2 = Al(CH3COO)3 + Hg =>
2 Al + 3 Hg(CH3COO)2 = 2 Al(CH3COO)3 + 3 Hg
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H2SO4 = SO2 + H2O + O =>
H2SO4 = SO2 + H2O + O
Na2Cr2O7 + FeCl2 + HCl = CrCl3 + FeCl3 + NaCl + H2O =>
Na2Cr2O7 + 6 FeCl2 + 14 HCl = 2 CrCl3 + 6 FeCl3 + 2 NaCl + 7 H2O
KCl + NaHC4H4O6 = KHC4H4O6 + NaCl =>
KCl + NaHC4H4O6 = KHC4H4O6 + NaCl
As + KClO + KOH + H2O = KH2AsO4 + KCl =>
2 As + 5 KClO + 2 KOH + H2O = 2 KH2AsO4 + 5 KCl
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
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