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4 Ca + 10 HNO3 = N2O + 4 Ca(NO3)2 + 5 H2O
CaCO3 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2O + CO2
Si + NaOH + H2O = Na2SiO3 + H2 =>
Si + 2 NaOH + H2O = Na2SiO3 + 2 H2
PbSO4 + NaOH = NaSO4 + Pb(OH) =>
PbSO4 + NaOH = NaSO4 + Pb(OH)
CaCN2 + H2O = CaCO3 + NH3 =>
CaCN2 + 3 H2O = CaCO3 + 2 NH3
K2CO3 + BaCl = KCl + Ba2CO3 =>
K2CO3 + 2 BaCl = 2 KCl + Ba2CO3
KNO3 + KI + H2SO4 = NO + I2 + K2SO4 + H2O =>
2 KNO3 + 6 KI + 4 H2SO4 = 2 NO + 3 I2 + 4 K2SO4 + 4 H2O
CuO + CO = Cu + CO2 =>
CuO + CO = Cu + CO2
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Na + BaSO4 = Ba + NaSO4 =>
Na + BaSO4 = Ba + NaSO4
CrCl3 + H2O2 + NaOH = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 6 NaCl + 8 H2O
Na + BaSO4 = Ba + Na2SO4 =>
2 Na + BaSO4 = Ba + Na2SO4
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
KAsO2 + Zn + H3O{+} = AsH3 + Zn{2} + K{+} + H2O =>
KAsO2 + 3 Zn + 7 H3O{+} = AsH3 + 3 Zn{2} + K{+} + 9 H2O
ZN(s) + S(s) = ZNS(s) =>
ZN(s) + S(s) = ZNS(s)
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
ZN(s) + S(g) = ZNS(s) =>
ZN(s) + S(g) = ZNS(s)
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
KClO3 + HCl = KCl + H2O + Cl2 =>
KClO3 + 6 HCl = KCl + 3 H2O + 3 Cl2
Zn(s) + S(g) = ZnS(s) =>
Zn(s) + S(g) = ZnS(s)
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
P4(s) + S8(s) = P4S3(s) =>
8 P4(s) + 3 S8(s) = 8 P4S3(s)
Al4C3 + HCl = AlCl3 + CH4 =>
Al4C3 + 12 HCl = 4 AlCl3 + 3 CH4
NH3 + HCl = NH4 + Cl2 =>
2 NH3 + 2 HCl = 2 NH4 + Cl2
H{+} + CH3CH2OH + MnO4{-} = CH3CHO + Mn{2+} + H2O =>
6 H{+} + 5 CH3CH2OH + 2 MnO4{-} = 5 CH3CHO + 2 Mn{2+} + 8 H2O
P4(s) + S8(s) = P4S3(s) =>
8 P4(s) + 3 S8(s) = 8 P4S3(s)
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
KAsO2 + Zn + H3O{+} = AsH3 + Zn{2+} + K{+} + H2O =>
KAsO2 + 3 Zn + 7 H3O{+} = AsH3 + 3 Zn{2+} + K{+} + 9 H2O
NH3 + HCl = NH3Cl + H2 =>
2 NH3 + 2 HCl = 2 NH3Cl + H2
H3PO4 + NH3 = ((NH4)3)PO4 =>
H3PO4 + 3 NH3 = ((NH4)3)PO4
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
NH3 + HCl = H4 + NCl =>
NH3 + HCl = H4 + NCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
NH3 + HCl = NH4 + Cl2 =>
2 NH3 + 2 HCl = 2 NH4 + Cl2
Pb(NO3)2 + Na2SO4 = NaNO3 + PbSO4 =>
Pb(NO3)2 + Na2SO4 = 2 NaNO3 + PbSO4
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
SO4 + CaO = CaSO5 =>
SO4 + CaO = CaSO5
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Mg + Fe2O2 = MgO3 + Fe2 =>
2 Mg + 3 Fe2O2 = 2 MgO3 + 3 Fe2
Na2CO3 + AlCl3 + H2O = CO2 + Al(OH)3 + NaCl =>
3 Na2CO3 + 2 AlCl3 + 3 H2O = 3 CO2 + 2 Al(OH)3 + 6 NaCl
Cu2S + O2 = CuO + SO2 =>
Cu2S + 2 O2 = 2 CuO + SO2
KClO3 = KCl(s) + O2(g) =>
2 KClO3 = 2 KCl(s) + 3 O2(g)
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Na + Pb(OH)2 = NaOH + Pb =>
2 Na + Pb(OH)2 = 2 NaOH + Pb
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