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CH3CHO = CH4 + CO
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Fe + S + O2 = FeSO4 =>
Fe + S + 2 O2 = FeSO4
KCl + NaI = KI + NaCl =>
KCl + NaI = KI + NaCl
HF + KOH = KF + H2O =>
HF + KOH = KF + H2O
Na3PO4 + MnCl2 = Mn3(PO4)2 + NaCl =>
2 Na3PO4 + 3 MnCl2 = Mn3(PO4)2 + 6 NaCl
CuO(s) + H2(SO4)(l) = Cu(SO4)(l) + H2O(l) =>
CuO(s) + H2(SO4)(l) = Cu(SO4)(l) + H2O(l)
S3Bi2{+3} + O2 = O2Bi2{+3} + SO2 =>
S3Bi2{+3} + 4 O2 = O2Bi2{+3} + 3 SO2
W + Al2O3 = WO3 + Al2 =>
W + Al2O3 = WO3 + Al2
NHO3 + Cu = NO2 + CuNO3 + H2O =>
2 NHO3 + Cu = NO2 + CuNO3 + H2O
Na3AsO4 + Na2S + HCl = As2S5 + NaCl + H2O =>
2 Na3AsO4 + 5 Na2S + 16 HCl = As2S5 + 16 NaCl + 8 H2O
CH3COOH + C3H7O = CH3COOC3H7 + H2O =>
7 CH3COOH + 12 C3H7O = 10 CH3COOC3H7 + 6 H2O
S2O8{2-} + Cr{3+} + H2O = Cr2O7{2-} + SO4{2-} + H{+} =>
3 S2O8{2-} + 2 Cr{3+} + 7 H2O = Cr2O7{2-} + 6 SO4{2-} + 14 H{+}
Co + NaNO2 = CoNO2 + Na =>
Co + NaNO2 = CoNO2 + Na
As + HNO3 + H2O = H3AsO4 + N2O2 =>
6 As + 10 HNO3 + 4 H2O = 6 H3AsO4 + 5 N2O2
C4H8 + Br4 = C4H8Br4 =>
C4H8 + Br4 = C4H8Br4
Ca(s) + H(NO3)(aq) = Ca(NO3)2(aq) + N2O(g) + H2O(g) =>
4 Ca(s) + 10 H(NO3)(aq) = 4 Ca(NO3)2(aq) + N2O(g) + 5 H2O(g)
FeCl3 + K2C2O4 + H2O = K5Fe(C2O4)4(H2O)3 + KCl =>
FeCl3 + 4 K2C2O4 + 3 H2O = K5Fe(C2O4)4(H2O)3 + 3 KCl
Na2Be(OH)4 = NaOH + Be(OH)2 =>
Na2Be(OH)4 = 2 NaOH + Be(OH)2
CO2 + H2O = C8H18 + O2 =>
16 CO2 + 18 H2O = 2 C8H18 + 25 O2
Cu(NO3)2 + Na3PO4 = Cu3(PO4)2 + NaNO3 =>
3 Cu(NO3)2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaNO3
HBr + Hg = HgBr2 + H =>
2 HBr + Hg = HgBr2 + 2 H
KI + H2O + Cl2 = HCl + KIO3 =>
KI + 3 H2O + 3 Cl2 = 6 HCl + KIO3
Ca3 + (Po4)2 + H2SO4 = CaSO4 + Ca(H2Po4)2 =>
Ca3 + (Po4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2Po4)2
Al + NaCl = Al(NaCl) =>
Al + NaCl = Al(NaCl)
H2SO4 + Na2SO3 = Na2SO4 + H2SO3 =>
H2SO4 + Na2SO3 = Na2SO4 + H2SO3
MnO2 + K2CO3 + O2 = KMnO4 + CO2 =>
4 MnO2 + 2 K2CO3 + 3 O2 = 4 KMnO4 + 2 CO2
(C6H5)3CH3OH + HBr = (C6H5)3CBr + H2O + CH3 =>
43(C6H5)3CH3OH + 40 HBr = 40(C6H5)3CBr + 43 H2O + 57 CH3
(NH4)2SO4 + H2O = NH4OH + NH4HSO4 =>
(NH4)2SO4 + H2O = NH4OH + NH4HSO4
HBrO3 + SO2 + H2O = Br2 + H2SO4 =>
2 HBrO3 + 5 SO2 + 4 H2O = Br2 + 5 H2SO4
MgCrO4 + B(CN)3 = Mg(CN)2 + B2(CrO4)3 =>
3 MgCrO4 + 2 B(CN)3 = 3 Mg(CN)2 + B2(CrO4)3
V + PbO2 = VO2 + PbO =>
V + 2 PbO2 = VO2 + 2 PbO
KB + Cl = KCl + B =>
KB + Cl = KCl + B
S8(s) + Na2SO3(aq) + H2O(l) = Na2S2O3*5H2O(s) =>
S8(s) + 8 Na2SO3(aq) + 40 H2O(l) = 8 Na2S2O3*5H2O(s)
C6H8O6(aq) + I2(aq) = C6H6O6(aq) + H{+} + I{-} =>
C6H8O6(aq) + I2(aq) = C6H6O6(aq) + 2 H{+} + 2 I{-}
Ag + NaNo3 = AgNo3 + Na =>
Ag + NaNo3 = AgNo3 + Na
Ba(OH)2 + NaHCO3 = BaCO3 + H2O + NaOH =>
Ba(OH)2 + NaHCO3 = BaCO3 + H2O + NaOH
HCl + NaClO2 = ClO2 + NaCl + H2O =>
4 HCl + 5 NaClO2 = 4 ClO2 + 5 NaCl + 2 H2O
Fe2P4K5 = FeP2 + K =>
Fe2P4K5 = 2 FeP2 + 5 K
CuO + PH3 = Cu + H3PO4 =>
4 CuO + PH3 = 4 Cu + H3PO4
Ca + Fe2{+} = Ca2{+} + Fe =>
2 Ca + Fe2{+} = Ca2{+} + 2 Fe
Ca3 + H3C6H5O7 = Ca3(C6H5O7)2 + H2 =>
Ca3 + 2 H3C6H5O7 = Ca3(C6H5O7)2 + 3 H2
HCl(aq) + NaOH(s) = NaCl(aq) + H2O(l) =>
HCl(aq) + NaOH(s) = NaCl(aq) + H2O(l)
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
ZnSO4 + K2O = ZnO + K2SO4 =>
ZnSO4 + K2O = ZnO + K2SO4
Mg + HNO3 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 HNO3 = 5 Mg(NO3)2 + N2 + 6 H2O
Zn2CO3 + CH3COOH = Zn(CH3COO)2 + H2O + CO2 =>
4 Zn2CO3 + 15 CH3COOH = 8 Zn(CH3COO)2 + 6 H2O + 2 CO2
Fe + Cl1 = Fe1Cl3 =>
Fe + 3 Cl1 = Fe1Cl3
Na2C2O4 + KMnO4 + H2O = KOH + MnO2 + Na2CO3 + CO2 =>
3 Na2C2O4 + 2 KMnO4 + H2O = 2 KOH + 2 MnO2 + 3 Na2CO3 + 3 CO2
CaCO3 + H2O = Ca(HCO3)2 + Ca(OH)2 =>
2 CaCO3 + 2 H2O = Ca(HCO3)2 + Ca(OH)2
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