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2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C6H5COONaNaOH = Na2CO3C6H6 =>
C6H5COONaNaOH = Na2CO3C6H6
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
CH3CH2CH2CH3 + Br2 = CH3CHBrCHBrCH2Br + HBr =>
CH3CH2CH2CH3 + 3 Br2 = CH3CHBrCHBrCH2Br + 3 HBr
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C6H12O + K2Cr2O7 + H2SO4 = C6H12O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H12O + K2Cr2O7 + 4 H2SO4 = 3 C6H12O2 + K2SO4 + Cr2(SO4)3 + 4 H2O
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
Ni2O3 = Ni + O2 =>
2 Ni2O3 = 4 Ni + 3 O2
C20H30O2 + O2 = CO2 + H2O =>
2 C20H30O2 + 53 O2 = 40 CO2 + 30 H2O
CdCl2 + Na2SO4 = CdSO4 + NaCl =>
CdCl2 + Na2SO4 = CdSO4 + 2 NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
ZnCl + H2SO4 = ZnSO4 + H2Cl =>
ZnCl + H2SO4 = ZnSO4 + H2Cl
C4H10 + Cl = C4H9 + HCl =>
C4H10 + Cl = C4H9 + HCl
CuO + NaO = Cu(Na2O) + O =>
CuO + 2 NaO = Cu(Na2O) + 2 O
CrO4{2-} + SO3{2-} + H2O = Cr(OH)4{-} + SO4{2-} + OH{-} =>
2 CrO4{2-} + 3 SO3{2-} + 5 H2O = 2 Cr(OH)4{-} + 3 SO4{2-} + 2 OH{-}
C57H98O6 + O2 = CO2 + H2O =>
2 C57H98O6 + 157 O2 = 114 CO2 + 98 H2O
KBr + KI = K2 + BrI =>
KBr + KI = K2 + BrI
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Zn + HCl + K2Cr2O7 = CrCl2 + H2O + KCl + ZnCl2 =>
4 Zn + 14 HCl + K2Cr2O7 = 2 CrCl2 + 7 H2O + 2 KCl + 4 ZnCl2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
A = A5 =>
5 A = A5
MgSO4*6H2O = MgO + H2O + SO3 =>
MgSO4*6H2O = MgO + 6 H2O + SO3
MnO2 + C12H22O11 + H2SO4 = MnSO4 + CO2 + H2O =>
24 MnO2 + C12H22O11 + 24 H2SO4 = 24 MnSO4 + 12 CO2 + 35 H2O
K{+} + SO4{2-} = K + SO4 =>
2 K{+} + SO4{2-} = 2 K + SO4
C12H26 = C6H14 + C2H4 =>
C12H26 = C6H14 + 3 C2H4
Cd(CN)2 + H2O2 + H2O = CdCO3 + NH4OH + CO2 =>
Cd(CN)2 + 2 H2O2 + 3 H2O = CdCO3 + 2 NH4OH + CO2
Zn2S + O2 = Zn + SO2 =>
Zn2S + O2 = 2 Zn + SO2
SO3 + CuOH = Cu2SO4 + H2O =>
SO3 + 2 CuOH = Cu2SO4 + H2O
BaO + NaOH = BaOH2 + NaO =>
BaO + 2 NaOH = BaOH2 + 2 NaO
SiO2 + SO3 = SSiO2 + O4 =>
4 SiO2 + 4 SO3 = 4 SSiO2 + 3 O4
HNO3(aq) + NaOH(aq) = H2O(l) + Na(NO3) =>
HNO3(aq) + NaOH(aq) = H2O(l) + Na(NO3)
Cr2O7 + Na = Na2Cr2O7 =>
Cr2O7 + 2 Na = Na2Cr2O7
KI + Ni(CO3)2 = KCO3 + NiI2 =>
2 KI + Ni(CO3)2 = 2 KCO3 + NiI2
Ag2O(l) = Ag(s) + O2(g) =>
2 Ag2O(l) = 4 Ag(s) + O2(g)
C5H4O7 = CO + H2O =>
C5H4O7 = 5 CO + 2 H2O
W(CO3)3 + Ra(NO2)2 = W(NO2)6 + RaCO3 =>
W(CO3)3 + 3 Ra(NO2)2 = W(NO2)6 + 3 RaCO3
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
AgNO3(aq) + CuSO4(aq) = CuNO3(s) + AgSO4(aq) =>
AgNO3(aq) + CuSO4(aq) = CuNO3(s) + AgSO4(aq)
HgH2O2 + H3PO4 = Hg3P2O8 + H2O =>
3 HgH2O2 + 2 H3PO4 = Hg3P2O8 + 6 H2O
Sb2S3 + HNO3 = Sb2O5 + NO2(g) + S + H2O =>
Sb2S3 + 10 HNO3 = Sb2O5 + 10 NO2(g) + 3 S + 5 H2O
Hg + Au3PO4 = Au + Hg3(PO4)2 =>
3 Hg + 2 Au3PO4 = 6 Au + Hg3(PO4)2
FeS2 + H2O = Fe2O3 + H + H2SO4 =>
2 FeS2 + 19 H2O = Fe2O3 + 30 H + 4 H2SO4
Fe2Cl3 = Cl2 + Fe2 =>
2 Fe2Cl3 = 3 Cl2 + 2 Fe2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
HBrO3 + Sr(OH)2 = Sr(BrO3)2 + H2O =>
2 HBrO3 + Sr(OH)2 = Sr(BrO3)2 + 2 H2O
Zn + HNO3 = Zn(NO3)2 + NH4N03 + H2O =>
12 Zn + 28 HNO3 = 12 Zn(NO3)2 + NH4N03 + 12 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
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