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K2S + Zn(OH)2 = ZnS + 2 KOH
AlI3 + Cl = AlCl + I =>
AlI3 + Cl = AlCl + 3 I
C3H4(g) + H2O(g) = CO(g) + H2(g) =>
C3H4(g) + 3 H2O(g) = 3 CO(g) + 5 H2(g)
Fe + Mg = FeMg =>
Fe + Mg = FeMg
Pb(C2H5)4 + I2 = Pb(C2H5)3I + C2H5I =>
Pb(C2H5)4 + I2 = Pb(C2H5)3I + C2H5I
Mg + N + H2O = MgO + NH3 =>
3 Mg + 2 N + 3 H2O = 3 MgO + 2 NH3
Ba(OH)2 + MgSiO3 = BaSiO3 + Mg(OH)2 =>
Ba(OH)2 + MgSiO3 = BaSiO3 + Mg(OH)2
Sn(OH)2 + Mg(ClO4)2 = Sn(ClO4)2 + Mg(OH)2 =>
Sn(OH)2 + Mg(ClO4)2 = Sn(ClO4)2 + Mg(OH)2
Cr(s) + Fe{3+}(aq) = Fe{2+}(aq) + Cr{2+}(aq) =>
Cr(s) + 2 Fe{3+}(aq) = 2 Fe{2+}(aq) + Cr{2+}(aq)
NH3 + Cl2 = N2H4 + NH4Cl =>
4 NH3 + Cl2 = N2H4 + 2 NH4Cl
C8H14 + H2 = C8H16 =>
C8H14 + H2 = C8H16
Ca(OH)2 + (NH4)3PO4 = NH3 + Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2(NH4)3PO4 = 6 NH3 + Ca3(PO4)2 + 6 H2O
HNO3 + H2C2O4 = NO + CO2 + H2O =>
2 HNO3 + 3 H2C2O4 = 2 NO + 6 CO2 + 4 H2O
Mg + Fe = Mg2Fe =>
2 Mg + Fe = Mg2Fe
C25H52O + O2 = CO2 + H2O =>
2 C25H52O + 75 O2 = 50 CO2 + 52 H2O
CH3Br + CH3CH2ONa = NaBr + CH3CH2OCH3 =>
CH3Br + CH3CH2ONa = NaBr + CH3CH2OCH3
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
Sn(OH)2 + Mg(ClO4)2 = Sn(ClO4)2 + Mg(OH)2 =>
Sn(OH)2 + Mg(ClO4)2 = Sn(ClO4)2 + Mg(OH)2
Na2B4O7 + H2O = BH3 + Na + OH =>
Na2B4O7 + 19 H2O = 4 BH3 + 2 Na + 26 OH
K2S + HClO4 = K2ClO4 + SH =>
K2S + HClO4 = K2ClO4 + SH
S8 + Fe2 = FeS2 =>
S8 + 2 Fe2 = 4 FeS2
H2 + S22 = H2S =>
22 H2 + S22 = 22 H2S
CH3COH + KMnO4 = CH3COOK + CH3COOH + MnO2 + H2O =>
3 CH3COH + 2 KMnO4 = 2 CH3COOK + CH3COOH + 2 MnO2 + H2O
NaAlO2 + HCl = NaCl + H2O + AlCl3 =>
NaAlO2 + 4 HCl = NaCl + 2 H2O + AlCl3
NaC2O5H9 + O2 = CO2 + H2O + NaOH =>
NaC2O5H9 + 2 O2 = 2 CO2 + 4 H2O + NaOH
NaCl + H2SO4 = NaSO4 + Cl + H2S + H2O =>
4 NaCl + 5 H2SO4 = 4 NaSO4 + 4 Cl + H2S + 4 H2O
BaCO3 + CO2 + H2O = Ba(HCO3)2 =>
BaCO3 + CO2 + H2O = Ba(HCO3)2
P4 + O2 = (P2)2O5 =>
2 P4 + 5 O2 = 2(P2)2O5
Mg(NO3)2 + NaOH = Mg(OH)2 + Na(NO3) =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 Na(NO3)
H2 + S22 = H2S =>
22 H2 + S22 = 22 H2S
Al(OH)3 + KOH + H2O = K[Al(OH)6] + H2 =>
Al(OH)3 + KOH + 2 H2O = K[Al(OH)6] + H2
C9H8O4 + H2O = C9H7O4{-} + H3O{+} =>
C9H8O4 + H2O = C9H7O4{-} + H3O{+}
C + H = C3H8 =>
3 C + 8 H = C3H8
O4{-} + I{-} + H{+} = I2 + H2O =>
2 O4{-} + 14 I{-} + 16 H{+} = 7 I2 + 8 H2O
H2 + S22 = H2S =>
22 H2 + S22 = 22 H2S
SiO2 + CaCO3 = CO2 + CaSi2O5 =>
2 SiO2 + CaCO3 = CO2 + CaSi2O5
KOH + CO2 = K2CO3H2O =>
2 KOH + CO2 = K2CO3H2O
Cu(CH3COO)2H2O + N2H4H2O = Cu2O + CH3COOH + N2 + H2O =>
4 Cu(CH3COO)2H2O + N2H4H2O = 2 Cu2O + 8 CH3COOH + N2 + 3 H2O
HNO3(aq) + H2S(g) = NO(g) + H2O(g) + H2SO4(aq) =>
8 HNO3(aq) + 3 H2S(g) = 8 NO(g) + 4 H2O(g) + 3 H2SO4(aq)
MgO + Sn = O + MgSn =>
MgO + Sn = O + MgSn
Co(NO3)2(aq) + H2S(g) = CoS + HNO3(aq) =>
Co(NO3)2(aq) + H2S(g) = CoS + 2 HNO3(aq)
C + H = C2H2 =>
2 C + 2 H = C2H2
NaHCO3 + Al2(SO4)3 = CO2 + Al(OH)3 + Na2SO4 =>
6 NaHCO3 + Al2(SO4)3 = 6 CO2 + 2 Al(OH)3 + 3 Na2SO4
Al(OH)3 + H = H2O + Al =>
Al(OH)3 + 3 H = 3 H2O + Al
Pb(s) + AgNO3(aq) = Pb(NO3) + Ag =>
Pb(s) + AgNO3(aq) = Pb(NO3) + Ag
Ca(OH)2 + HOCl = Ca(OCl)2 + H2O =>
Ca(OH)2 + 2 HOCl = Ca(OCl)2 + 2 H2O
Ca(OH)2 + NaHCO3 = CaNa(OH)3 + CO2 =>
Ca(OH)2 + NaHCO3 = CaNa(OH)3 + CO2
Na2CrO4(aq) + Al(OH)3(aq) = Al2(CrO4)3(aq) + NaOH(aq) =>
3 Na2CrO4(aq) + 2 Al(OH)3(aq) = Al2(CrO4)3(aq) + 6 NaOH(aq)
MnO2 + NH4Cl + Zn = Mn2O3 + NH3 + H2O + ZnCl2 =>
2 MnO2 + 2 NH4Cl + Zn = Mn2O3 + 2 NH3 + H2O + ZnCl2
NH3 + BaCl2 = Ba + NH3Cl =>
2 NH3 + BaCl2 = Ba + 2 NH3Cl
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