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Na2S(aq) + H2SO4(aq) = Na2SO4(aq) + H2S(aq)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HPO3{2-} + AgNO3 = PO3{3-} + HAgNO3{+} =>
HPO3{2-} + AgNO3 = PO3{3-} + HAgNO3{+}
Li2O + Al2(SO4)3 = Li2SO4 + Al2O3 =>
3 Li2O + Al2(SO4)3 = 3 Li2SO4 + Al2O3
Mg(s) + HCl(aq)2 = MgCl(aq) + H(g) =>
2 Mg(s) + HCl(aq)2 = 2 MgCl(aq) + H(g)
C20H4 + O2 = CO + H2O =>
C20H4 + 11 O2 = 20 CO + 2 H2O
C3H6O3 = C6H12O6 =>
2 C3H6O3 = C6H12O6
NH4(C2H3O2) + Pb(OH)2 = NH4OH + Pb(C2H3O2)2 =>
2 NH4(C2H3O2) + Pb(OH)2 = 2 NH4OH + Pb(C2H3O2)2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
P4O10 + K2O = K3PO4(s) =>
P4O10 + 6 K2O = 4 K3PO4(s)
C6H5CH(OH)COOH + H2O = C6H6CH(OH)COOH + OH =>
C6H5CH(OH)COOH + H2O = C6H6CH(OH)COOH + OH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KClO4 + Pb(NO3)2 = Pb(ClO4)2 + KNO3 =>
2 KClO4 + Pb(NO3)2 = Pb(ClO4)2 + 2 KNO3
C12H26 + C6H6 + NaSO3 = C18H31NaSO3 =>
13 C12H26 + 16 C6H6 + 14 NaSO3 = 14 C18H31NaSO3
Na + FeCl = NaCl + Fe =>
Na + FeCl = NaCl + Fe
CH3CO2Na + Pb(NO3)2 = NaNO3 + Pb(CH3CO2)2 =>
2 CH3CO2Na + Pb(NO3)2 = 2 NaNO3 + Pb(CH3CO2)2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH3CH2CH2CH2OH + KMnO4 + H2SO4 = CH3CH2CH2COH + Mn2SO4 + H2O + K2SO4 =>
6 CH3CH2CH2CH2OH + 2 KMnO4 + 2 H2SO4 = 6 CH3CH2CH2COH + Mn2SO4 + 8 H2O + K2SO4
NaB4O7 + CaF2 + SO3 = BF3 + CaSO4 + NaSO4 =>
NaB4O7 + 6 CaF2 + 7 SO3 = 4 BF3 + 6 CaSO4 + NaSO4
K2CO3 + Ni(NO3)2 + C3H4N2 + HNO3 = (C3H5N2)3KNi(NO3)6 + H2O + CO2 =>
K2CO3 + 2 Ni(NO3)2 + 6 C3H4N2 + 8 HNO3 = 2(C3H5N2)3KNi(NO3)6 + H2O + CO2
BaCl2 + Na2SO4 = NaCl + Ba2(SO4)2 =>
2 BaCl2 + 2 Na2SO4 = 4 NaCl + Ba2(SO4)2
MnO2(s) + KClO3(l) + KOH(l) = KMnO4(s) + KCl(l) + H2O(l) =>
2 MnO2(s) + KClO3(l) + 2 KOH(l) = 2 KMnO4(s) + KCl(l) + H2O(l)
K2Cr2O7 + FeCl + HCl = CrCl3 + FeCl3 + KCl + H2O =>
K2Cr2O7 + 3 FeCl + 14 HCl = 2 CrCl3 + 3 FeCl3 + 2 KCl + 7 H2O
Zn + H2SO4 = ZnSO4 + S + H2O =>
3 Zn + 4 H2SO4 = 3 ZnSO4 + S + 4 H2O
Ba(OH)2 + CaO = BaO + Ca(OH)2 =>
Ba(OH)2 + CaO = BaO + Ca(OH)2
NaCl + Hg2(NO3)2 = NaNO3 + Hg2Cl2 =>
2 NaCl + Hg2(NO3)2 = 2 NaNO3 + Hg2Cl2
Si + MnO2 = Mn2SiO4 =>
Si + 2 MnO2 = Mn2SiO4
SnCl2 + Bi(NO3)3 + NaOH = Bi + Na2SnO3 + H2O + NaNO2 + NaCl =>
9 SnCl2 + 2 Bi(NO3)3 + 42 NaOH = 2 Bi + 9 Na2SnO3 + 21 H2O + 6 NaNO2 + 18 NaCl
H2O + SO2 = H2SO3 =>
H2O + SO2 = H2SO3
CH3OH + SOCl2 = CH3Cl + SO2 + H2O =>
2 CH3OH + SOCl2 = 2 CH3Cl + SO2 + H2O
ZnSO4 + BaCl2 = ZnCl + Ba(SO4)2 =>
2 ZnSO4 + BaCl2 = 2 ZnCl + Ba(SO4)2
Al2O3*2SiO2*2H2O*Fe2O3 + HCl = AlCl3 + H2SiO3 + H2O + Fe2O3 =>
Al2O3*2SiO2*2H2O*Fe2O3 + 6 HCl = 2 AlCl3 + 2 H2SiO3 + 3 H2O + Fe2O3
Fe(C2O4)(H2O)2 + H2O2 + K2C2O4 + H2C2O4 = K3Fe(C2O4)3*(H2O)3 =>
2 Fe(C2O4)(H2O)2 + H2O2 + 3 K2C2O4 + H2C2O4 = 2 K3Fe(C2O4)3*(H2O)3
Ce(SO4)2 + Hg2SO4 = Ce2(SO4)3 + HgSO4 =>
2 Ce(SO4)2 + Hg2SO4 = Ce2(SO4)3 + 2 HgSO4
Sn(s) + Fe(NO3)2(aq) = Sn(NO3)4(aq) + Fe(s) =>
Sn(s) + 2 Fe(NO3)2(aq) = Sn(NO3)4(aq) + 2 Fe(s)
FeU3 + KOH = Fe(OH)3 + KU =>
FeU3 + 3 KOH = Fe(OH)3 + 3 KU
Mg + AlNo3 = Al + Mg(No3)3 =>
Mg + 3 AlNo3 = 3 Al + Mg(No3)3
O + D = D2O =>
O + 2 D = D2O
As2O3(s) + C(s) = CO2(g) + As(s) =>
2 As2O3(s) + 3 C(s) = 3 CO2(g) + 4 As(s)
CoBr3 = Co + Br =>
CoBr3 = Co + 3 Br
HNO3 + N2S = H2SO4 + NO2 + H2O =>
14 HNO3 + N2S = H2SO4 + 16 NO2 + 6 H2O
ZnO + SrOH + H2O = Sr2[Zn(OH)4] =>
ZnO + 2 SrOH + H2O = Sr2[Zn(OH)4]
AgI + NaCN = Ag(CN)2 + Na2I =>
AgI + 2 NaCN = Ag(CN)2 + Na2I
IrCl = Ir + Cl =>
IrCl = Ir + Cl
Ca(NO3)2(aq) + Na2S(aq) = CaS + NaNO3 =>
Ca(NO3)2(aq) + Na2S(aq) = CaS + 2 NaNO3
MnSO4 + H2O2 + NaOH = MnO(OH)2 + Na2SO4 + H2O =>
MnSO4 + H2O2 + 2 NaOH = MnO(OH)2 + Na2SO4 + H2O
HCl + K2SO3 = H2SO3 + KCl =>
2 HCl + K2SO3 = H2SO3 + 2 KCl
H + S + O2 = HSO =>
2 H + 2 S + O2 = 2 HSO
NH3 + HCl = N3Cl + H4 =>
6 NH3 + 2 HCl = 2 N3Cl + 5 H4
P + FeO = P4O10 + Fe =>
4 P + 10 FeO = P4O10 + 10 Fe
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