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4 Fe + 3 O2 = 2 Fe2O3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C5H12 + O2 = CO2 + H20 =>
5 C5H12 + 25 O2 = 25 CO2 + 3 H20
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
KCl + H2O = K2O + HCl =>
2 KCl + H2O = K2O + 2 HCl
C2H7OH + O2 = CO2 + H2O =>
2 C2H7OH + 7 O2 = 4 CO2 + 8 H2O
C16H36BrN + NaClO4 = C16H36ClNO4 + NaBr =>
C16H36BrN + NaClO4 = C16H36ClNO4 + NaBr
Al + Fe{2+} = Fe + Al{3+} =>
2 Al + 3 Fe{2+} = 3 Fe + 2 Al{3+}
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
CH3COOH + Na = CH3COONa + H2 =>
2 CH3COOH + 2 Na = 2 CH3COONa + H2
CO + Fe2O3 = CO2 + Fe =>
3 CO + Fe2O3 = 3 CO2 + 2 Fe
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
Na2S + KMnO4 + H2O = S + MnO2 + NaOH + KOH =>
3 Na2S + 2 KMnO4 + 4 H2O = 3 S + 2 MnO2 + 6 NaOH + 2 KOH
CO2 + KOH = K2CO3 + H2O =>
CO2 + 2 KOH = K2CO3 + H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
CH4 + Cl = CH4Cl3 =>
CH4 + 3 Cl = CH4Cl3
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Cr2(SO4)3 + H2O2 + NaOH = Na2CrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 8 H2O + 3 Na2SO4
K + O2 = KO2 =>
K + O2 = KO2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH4 = C + H2 =>
CH4 = C + 2 H2
C4H9NO2 + H2O + HCl = C2H6NO2Cl + C2H5OH =>
C4H9NO2 + H2O + HCl = C2H6NO2Cl + C2H5OH
K + O2 = K2O =>
4 K + O2 = 2 K2O
KMnO4 + K2S2O3 + H2O = MnO2 + K2SO4 + KOH =>
8 KMnO4 + 3 K2S2O3 + H2O = 8 MnO2 + 6 K2SO4 + 2 KOH
CaO + H2SO3 = CaSO3 + H2O =>
CaO + H2SO3 = CaSO3 + H2O
ZNO + CO = ZN + CO2 =>
ZNO + CO = ZN + CO2
S + NO3 = SO2 + NO =>
S + NO3 = SO2 + NO
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
CuNO3 + H2SO4 = CuSO4 + H2NO3 =>
CuNO3 + H2SO4 = CuSO4 + H2NO3
H2O + CaSO4 = CaO + H2SO4 =>
H2O + CaSO4 = CaO + H2SO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ni(OH)2 + HCl = NiCl2 + H2O =>
Ni(OH)2 + 2 HCl = NiCl2 + 2 H2O
H2CO3 + Sr(OH)2 = SrCO3 + H2O =>
H2CO3 + Sr(OH)2 = SrCO3 + 2 H2O
BA(OH)2 + CUCl2 = BACl2 + CU(OH)2 =>
BA(OH)2 + CUCl2 = BACl2 + CU(OH)2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Na2S + KMnO4 + H2O = S + MnO2 + NaOH + KOH =>
3 Na2S + 2 KMnO4 + 4 H2O = 3 S + 2 MnO2 + 6 NaOH + 2 KOH
CaO + So3 = CaSo4 + O2 =>
6 CaO + 8 So3 = 6 CaSo4 + 3 O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2S2O3 + H2O = Na2O + H2S2O3 =>
Na2S2O3 + H2O = Na2O + H2S2O3
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Zn + HCl = ZnCl + H =>
Zn + HCl = ZnCl + H
CuSO4 + Fe = FeSO4 + Cu =>
CuSO4 + Fe = FeSO4 + Cu
Ba(OH)2 + HBr = BaBr2 + H2O =>
Ba(OH)2 + 2 HBr = BaBr2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2O + C = Na + CO2 =>
2 Na2O + C = 4 Na + CO2
Na2O + SO2 = Na2SO3 =>
Na2O + SO2 = Na2SO3
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
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