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Ca + 2 Na2S = Ca(Na2S)2
Al3 + I = AlI3 =>
Al3 + 9 I = 3 AlI3
NaOH + H2S + ClCH2CH2OH + Na2SO4 = HSCH2CH2OH + NaCl + Na2SO4*10H2O =>
10 NaOH + 10 H2S + 10 ClCH2CH2OH + Na2SO4 = 10 HSCH2CH2OH + 10 NaCl + Na2SO4*10H2O
C2H5O + O2 = CO2 + H2O =>
4 C2H5O + 11 O2 = 8 CO2 + 10 H2O
Al3 + H2O = Al2O3 + H2 =>
2 Al3 + 9 H2O = 3 Al2O3 + 9 H2
C2H50H + O2 = C0 + H2O =>
4 C2H50H + 51 O2 = 8 C0 + 102 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C5H6 + O2 = CO + H2O =>
C5H6 + 4 O2 = 5 CO + 3 H2O
CO2 + NH3 + H2O = C5H10N2O3 + O2 =>
10 CO2 + 4 NH3 + 4 H2O = 2 C5H10N2O3 + 9 O2
NaCl + Ba = BaCl2 + Na =>
2 NaCl + Ba = BaCl2 + 2 Na
Al + PbNO32 = AlNO32 + Pb =>
Al + PbNO32 = AlNO32 + Pb
AgNO3 + K2CO3 = CAg2O3 + KNO3 =>
2 AgNO3 + K2CO3 = CAg2O3 + 2 KNO3
C2 + H4 = C2H4 =>
C2 + H4 = C2H4
BaO2 = O2 + BaO =>
2 BaO2 = O2 + 2 BaO
PtNO3 + Ag = AgNPt + O =>
PtNO3 + Ag = AgNPt + 3 O
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
SO2 + H2O = H2S + O2 =>
2 SO2 + 2 H2O = 2 H2S + 3 O2
K2CrO7 + Pb(NO3)2 = KNO3 + Pb(CrO7) =>
K2CrO7 + Pb(NO3)2 = 2 KNO3 + Pb(CrO7)
Sr3(PO4)2 + SiO2 + C = SrSiO3 + P4 + CO =>
2 Sr3(PO4)2 + 6 SiO2 + 10 C = 6 SrSiO3 + P4 + 10 CO
C4H1204 + O2 = CO2 + H2O =>
C4H1204 + 305 O2 = 4 CO2 + 602 H2O
Hg3N + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg3N + 26 HNO3 = 9 Hg(NO3)2 + 11 NO + 13 H2O
BaBr2 + AgNO3 = BaNO3 + AgBr2 =>
BaBr2 + AgNO3 = BaNO3 + AgBr2
KMnO4 + H2SO4 + FeSO4 = K2SO4 + MnSO4 + H2O + Fe2(SO4)3 =>
2 KMnO4 + 8 H2SO4 + 10 FeSO4 = K2SO4 + 2 MnSO4 + 8 H2O + 5 Fe2(SO4)3
Zn(CN)2 + H3O = Zn + HCN + H2O =>
Zn(CN)2 + 2 H3O = Zn + 2 HCN + 2 H2O
HCOONa + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + Na2SO4 + CO2 + H2O =>
6 HCOONa + 2 K2Cr2O7 + 11 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 Na2SO4 + 6 CO2 + 14 H2O
Be + Ti = Be5Ti =>
5 Be + Ti = Be5Ti
MnSO4 + Cl2 + KOH = KMnO4 + KCl + K2SO4 + H2O =>
2 MnSO4 + 5 Cl2 + 16 KOH = 2 KMnO4 + 10 KCl + 2 K2SO4 + 8 H2O
HC2H3O2(aq) + NaHCO3(s) = NaC2H3O2 + H2O + CO2 =>
HC2H3O2(aq) + NaHCO3(s) = NaC2H3O2 + H2O + CO2
HCl + Fe = Cl + HFe =>
HCl + Fe = Cl + HFe
Cu2As2O7 + Zn + H2SO4 = Cu + ZnSO4 + AsH3 + H2O =>
Cu2As2O7 + 10 Zn + 10 H2SO4 = 2 Cu + 10 ZnSO4 + 2 AsH3 + 7 H2O
BH3O3 + C4 = C4B4 + H2O + O2 =>
4 BH3O3 + C4 = C4B4 + 6 H2O + 3 O2
HNO3 + Na = NaNO3 + H2 =>
2 HNO3 + 2 Na = 2 NaNO3 + H2
CuNO3 + KCl = CuCl + KNO3 =>
CuNO3 + KCl = CuCl + KNO3
CuCl2 + Na2O = Na2Cl2 + CuO =>
CuCl2 + Na2O = Na2Cl2 + CuO
Br2 + Kl = BrKl =>
Br2 + 2 Kl = 2 BrKl
PbCl2 + NaOH = Pb(OH)2 + NaCl =>
PbCl2 + 2 NaOH = Pb(OH)2 + 2 NaCl
Ba(OH)2 + H2O = H3O + BaO2H =>
Ba(OH)2 + H2O = H3O + BaO2H
Ai + HCl = AiCl3 + H2 =>
2 Ai + 6 HCl = 2 AiCl3 + 3 H2
C3H70H + O2 = CO2 + H2O =>
4 C3H70H + 83 O2 = 12 CO2 + 142 H2O
KNO2 + PbO2 + H2SO4 = KNO3 + PbSO4 + H2O =>
KNO2 + PbO2 + H2SO4 = KNO3 + PbSO4 + H2O
C16O2H + O2 = CO2 + H2O =>
4 C16O2H + 61 O2 = 64 CO2 + 2 H2O
CF4 + Br2 = CBr4 + F4 =>
CF4 + 2 Br2 = CBr4 + F4
Na + Cl = Na1Cl1 =>
Na + Cl = Na1Cl1
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
CH3OH + O2 = CO2 + OH =>
2 CH3OH + 5 O2 = 2 CO2 + 8 OH
C6H5CH3 + O2 = CO + H2O =>
2 C6H5CH3 + 11 O2 = 14 CO + 8 H2O
CO3Na + Mn = CO3Mn + Na =>
CO3Na + Mn = CO3Mn + Na
Li + Sn(SO3)2 = Li(SO3) + Sn =>
2 Li + Sn(SO3)2 = 2 Li(SO3) + Sn
NS + H2O + O2 = NH4OH + SO3 =>
4 NS + 10 H2O + 3 O2 = 4 NH4OH + 4 SO3
Al(s) + Pt(NO33)22(aq) = Pt(s) + Al(NO33)33(aq) =>
2 Al(s) + 3 Pt(NO33)22(aq) = 3 Pt(s) + 2 Al(NO33)33(aq)
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