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CuSO4 + 2 HCl = CuCl2 + H2SO4
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Na + S = Na2S =>
2 Na + S = Na2S
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
NH4SH = NH3 + H2S =>
NH4SH = NH3 + H2S
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
N3H12PO4 + PbN4O12 = Pb3P4O16 + NH4NO3 =>
4 N3H12PO4 + 3 PbN4O12 = Pb3P4O16 + 12 NH4NO3
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Na2S + ZnCl2 = NaCl + ZnS =>
Na2S + ZnCl2 = 2 NaCl + ZnS
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Li3PO4 + HCl = LiCl + H3PO4 =>
Li3PO4 + 3 HCl = 3 LiCl + H3PO4
Na2S + ZnCl2 = NaCl + ZnS =>
Na2S + ZnCl2 = 2 NaCl + ZnS
CuNiCoSe4 = NiSe + CoSe2 + CuSe =>
CuNiCoSe4 = NiSe + CoSe2 + CuSe
C2H6(g) + O2(g) = CO2(g) + H2O(l) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(l)
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Ca3(PO4)2 + HCl = CaCl2 + H3PO4 =>
Ca3(PO4)2 + 6 HCl = 3 CaCl2 + 2 H3PO4
SCl4 + H2O = H2SO3 + HCl =>
SCl4 + 3 H2O = H2SO3 + 4 HCl
KMnO4 + S = K2SO4 + MnSO4 + MnO =>
6 KMnO4 + 5 S = 3 K2SO4 + 2 MnSO4 + 4 MnO
NH4HS = NH3 + H2S =>
NH4HS = NH3 + H2S
Ca3(PO4)2 + Si(CO3)2 = CaCO3 + Si3(PO4)4 =>
2 Ca3(PO4)2 + 3 Si(CO3)2 = 6 CaCO3 + Si3(PO4)4
SCl4 + H2O = H2SO3 + HCl =>
SCl4 + 3 H2O = H2SO3 + 4 HCl
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Li + N2 = LiN5 =>
2 Li + 5 N2 = 2 LiN5
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Sn + HCl = SnCl2 + H2 =>
Sn + 2 HCl = SnCl2 + H2
Ca3(PO4)2 + Si(CO3)2 = CaCO3 + Si3(PO4)4 =>
2 Ca3(PO4)2 + 3 Si(CO3)2 = 6 CaCO3 + Si3(PO4)4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + HNO3 = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Na2S + O2 + H2O = Na2SO3S + NaOH =>
2 Na2S + 2 O2 + H2O = Na2SO3S + 2 NaOH
CuNiCoSe4 = NiSe + CoSe + CuSe2 =>
CuNiCoSe4 = NiSe + CoSe + CuSe2
KMnO4 + S{2-} = SO4{2-} + K2O + MnO =>
8 KMnO4 + 5 S{2-} = 5 SO4{2-} + 4 K2O + 8 MnO
Cl + NaOH = NaCl + NaClO3 + H2O =>
6 Cl + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuCl2 + NaNO3 = Cu(NO3)2 + NaCl =>
CuCl2 + 2 NaNO3 = Cu(NO3)2 + 2 NaCl
KMnO4 + S{2-} + H2SO4 = SO4{2-} + K2SO4 + MnSO4 + H2O =>
8 KMnO4 + 5 S{2-} + 12 H2SO4 = 5 SO4{2-} + 4 K2SO4 + 8 MnSO4 + 12 H2O
CuNiCoSe4 = Ni3Se4 + Co3Se4 + Cu2Se + Se =>
6 CuNiCoSe4 = 2 Ni3Se4 + 2 Co3Se4 + 3 Cu2Se + 5 Se
Fe + O2 = Fe2O2 =>
2 Fe + O2 = Fe2O2
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