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K2S + 2 Li = Li2S + 2 K
KOH + KNO3 = K2O + HNO3 =>
KOH + KNO3 = K2O + HNO3
KIO3 + KI = KO + I2 =>
2 KIO3 + 4 KI = 6 KO + 3 I2
H2S + Cl = S8 + HCl =>
8 H2S + 16 Cl = S8 + 16 HCl
H2O + HNO3 = H3NO4 =>
H2O + HNO3 = H3NO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn + Pb(NO3)2 = Pb + Zn(NO3)2 =>
Zn + Pb(NO3)2 = Pb + Zn(NO3)2
ZnS + H = Zn + H2S =>
ZnS + 2 H = Zn + H2S
Sn(s) + HNO3(aq) = SnO2(s) + NO2(g) + H2O(l) =>
Sn(s) + 4 HNO3(aq) = SnO2(s) + 4 NO2(g) + 2 H2O(l)
CrO = Cr + O =>
CrO = Cr + O
MnSO4 + KMnO4 = MnO2 + K2SO4 + O2 =>
MnSO4 + 2 KMnO4 = 3 MnO2 + K2SO4 + O2
Fe + Ce2 = FeCe3 =>
2 Fe + 3 Ce2 = 2 FeCe3
Ca(NO3)2*4H2O(s) = Ca(NO3)2(s) + H2O(g) =>
Ca(NO3)2*4H2O(s) = Ca(NO3)2(s) + 4 H2O(g)
Co + HI = CoI3 + H2 =>
2 Co + 6 HI = 2 CoI3 + 3 H2
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
H2C2O4 = H + C2O4 =>
H2C2O4 = 2 H + C2O4
MnCO3 + H2SO4 = MnSO4 + H2O + CO2 =>
MnCO3 + H2SO4 = MnSO4 + H2O + CO2
Hg(OH)2 + HF = HgF2 + H2O =>
Hg(OH)2 + 2 HF = HgF2 + 2 H2O
Co + HI = CoI + H =>
Co + HI = CoI + H
H2C2O4 = CO2 + H{+} + {-} =>
H2C2O4 = 2 CO2 + 2 H{+} + 2e
Co + HI = H2 + CoI2 =>
Co + 2 HI = H2 + CoI2
H2C2O4 = CO2 + H2 =>
H2C2O4 = 2 CO2 + H2
Fe2O3 + SO2 + CO = FeS + CO2 =>
Fe2O3 + 2 SO2 + 7 CO = 2 FeS + 7 CO2
Mg2 + Cl3 = MgCl4 =>
3 Mg2 + 8 Cl3 = 6 MgCl4
CuCl2 + Fe(OH)3 = Cu(OH)2 + FeCl3 =>
3 CuCl2 + 2 Fe(OH)3 = 3 Cu(OH)2 + 2 FeCl3
Mg(s) + F2(g) = MgF2 =>
Mg(s) + F2(g) = MgF2
CuSO4 + HCI = CuCI + HSO4 =>
CuSO4 + HCI = CuCI + HSO4
C6H5OH + Na = C6H4Na + H2O =>
C6H5OH + Na = C6H4Na + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CuCl2(aq) + Pb(s) = Cu(s) + PbCl2(s) =>
CuCl2(aq) + Pb(s) = Cu(s) + PbCl2(s)
H + Cu(NO3)2 = Cu + H(NO3)2 =>
H + Cu(NO3)2 = Cu + H(NO3)2
[Ni(H2O)6](NO3)2 + K4[Fe(CN)6] = Ni2[Fe(CN)6] + KNO3 + H2O =>
2[Ni(H2O)6](NO3)2 + K4[Fe(CN)6] = Ni2[Fe(CN)6] + 4 KNO3 + 12 H2O
Al + CoCl = Co + AlCl =>
Al + CoCl = Co + AlCl
Na2S + Mn(C2H3O2)6 = NaC2H3O2 + MnS3 =>
3 Na2S + Mn(C2H3O2)6 = 6 NaC2H3O2 + MnS3
Be + H2O = Be(H2O)4 =>
Be + 4 H2O = Be(H2O)4
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
CuSO4*5H2O + NaCl + Na2S2O5 = H2O + CuCl + NaHSO4 =>
4 CuSO4*5H2O + 4 NaCl + Na2S2O5 = 17 H2O + 4 CuCl + 6 NaHSO4
KMnO4 + NaOH + KI = Na2MnO4 + KIO3 + H2O + KOH =>
6 KMnO4 + 12 NaOH + KI = 6 Na2MnO4 + KIO3 + 3 H2O + 6 KOH
H2C2O4 = CO2 + H =>
H2C2O4 = 2 CO2 + 2 H
(NH4)2CO3 + CrCl3 + H2O = NH4Cl + Cr(OH)3 + CO2 =>
3(NH4)2CO3 + 2 CrCl3 + 3 H2O = 6 NH4Cl + 2 Cr(OH)3 + 3 CO2
Pb(s) + CuCl2(aq) = PbCl2 + Cu =>
Pb(s) + CuCl2(aq) = PbCl2 + Cu
Na2S + Mn(C2H3O2)6 = NaC2H3O2 + Mn2S6 =>
6 Na2S + 2 Mn(C2H3O2)6 = 12 NaC2H3O2 + Mn2S6
H2(g)CuO(s) = Cu(s)H2O(g) =>
H2(g)CuO(s) = Cu(s)H2O(g)
MgO + SO3 = MgSO4 =>
MgO + SO3 = MgSO4
H2C2O4 = CO2 + H{+} + e =>
H2C2O4 = 2 CO2 + 2 H{+} + 2e
Pb(s) + CuCl2(aq) = PbCl4(aq) + Cu(s) =>
Pb(s) + 2 CuCl2(aq) = PbCl4(aq) + 2 Cu(s)
ZnCl2 + H2O = Zn(OH)2 + HCl =>
ZnCl2 + 2 H2O = Zn(OH)2 + 2 HCl
CO2KOH = KHCO3 =>
CO2KOH = KHCO3
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