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Na2SO4 = Na2S + O4
Pb(s) + AgNO3(aq) = Pb(NO3)2 + Ag =>
Pb(s) + 2 AgNO3(aq) = Pb(NO3)2 + 2 Ag
Na2O2 + Cr2O7 = Na2O7 + Cr2O2 =>
Na2O2 + Cr2O7 = Na2O7 + Cr2O2
Zn + ReO4 = Re + ZnO =>
4 Zn + ReO4 = Re + 4 ZnO
CO + As2O3 = As + CO2 =>
3 CO + As2O3 = 2 As + 3 CO2
Fe{2}O{4} + CO = Fe{+}O{+} + CO{2} =>
2 Fe{2}O{4} + CO = 2 Fe{+}O{+} + CO{2}
K2MnO4 + NaBr + H2SO4 = Br2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
K2MnO4 + 4 NaBr + 4 H2SO4 = 2 Br2 + K2SO4 + 2 Na2SO4 + MnSO4 + 4 H2O
PbCl4 = Pb + Cl2 =>
PbCl4 = Pb + 2 Cl2
C3H8O(s) + O2(s) = CO2(s) + H2O(s) =>
2 C3H8O(s) + 9 O2(s) = 6 CO2(s) + 8 H2O(s)
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Cl + CH4 = CCl4 + HCl =>
8 Cl + CH4 = CCl4 + 4 HCl
B2O3 + C = B4C + CO =>
2 B2O3 + 7 C = B4C + 6 CO
K2HPO4 = K4P2O7 + H2O =>
2 K2HPO4 = K4P2O7 + H2O
Be + C3H7OH = C3H7OBe + H2 =>
2 Be + 2 C3H7OH = 2 C3H7OBe + H2
Cu(OH)2 + Na2SO4 = NaOH + Cu2(SO4)2 =>
2 Cu(OH)2 + 2 Na2SO4 = 4 NaOH + Cu2(SO4)2
Ba(OH)2* + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2* + 2 NH4SCN = Ba(SCN)2 + 2 H2O + 2 NH3
Na2S2O3 + K2Cr2O7 + HCl = S + Na2SO4 + CrCl3 + KCl + H2O =>
3 Na2S2O3 + K2Cr2O7 + 8 HCl = 3 S + 3 Na2SO4 + 2 CrCl3 + 2 KCl + 4 H2O
MoS2(s) + O2(g) = MoO3(s) + SO2(g) =>
2 MoS2(s) + 7 O2(g) = 2 MoO3(s) + 4 SO2(g)
(NH4)2(SO4) + Ba(NO3)2 = NH4(NO3) + Ba(SO4) =>
(NH4)2(SO4) + Ba(NO3)2 = 2 NH4(NO3) + Ba(SO4)
NaNO3 + Ag2 + SO4 = AgNO3 + Na2SO4 =>
2 NaNO3 + Ag2 + SO4 = 2 AgNO3 + Na2SO4
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CH3CH2OH + Cr2O72{-} + H{+} = CH3COOH + Cr3{+} + H2O =>
427 CH3CH2OH + 12 Cr2O72{-} + 20 H{+} = 427 CH3COOH + 8 Cr3{+} + 437 H2O
C2H5OH + KNO3 = CO2 + H2O + N2 + K =>
C2H5OH + 2 KNO3 = 2 CO2 + 3 H2O + N2 + 2 K
H2SO3 + Ni = Ni2(SO3)3 + H2 =>
3 H2SO3 + 2 Ni = Ni2(SO3)3 + 3 H2
Na2CO3 + Cu2SO4 = Na2SO4 + Cu2CO3 =>
Na2CO3 + Cu2SO4 = Na2SO4 + Cu2CO3
H2S + NO3{-} + e = SO4{2-} + N2 + H2O =>
6 H2S + 10 NO3{-} + 2e = 6 SO4{2-} + 5 N2 + 6 H2O
Br + OH = BrO + H2O =>
Br + 2 OH = BrO + H2O
Na3PO4 + U(NO3)4 = U3(PO4)4 + NaNO3 =>
4 Na3PO4 + 3 U(NO3)4 = U3(PO4)4 + 12 NaNO3
AuK = K2Au2 =>
2 AuK = K2Au2
CuCl2(aq) + Na2S(aq) = CuS(aq) + NaCl(aq) =>
CuCl2(aq) + Na2S(aq) = CuS(aq) + 2 NaCl(aq)
H + F = HF =>
H + F = HF
Ca(No3)2 + KOH = Ca(OH)2 + KNo3 =>
Ca(No3)2 + 2 KOH = Ca(OH)2 + 2 KNo3
(CH3)2NH + H2O = (CH3)2NH2{+} + OH{-} =>
(CH3)2NH + H2O = (CH3)2NH2{+} + OH{-}
Fe + NHO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 NHO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
MgCl2 + NH4NO3 = Mg(NO3)2 + NH4Cl =>
MgCl2 + 2 NH4NO3 = Mg(NO3)2 + 2 NH4Cl
FeCl2 + K3(Fe(CN)6) = Fe3(Fe(CN)6)2 + KCl =>
3 FeCl2 + 2 K3(Fe(CN)6) = Fe3(Fe(CN)6)2 + 6 KCl
MgO + SiO2 = Mg2SiO4 =>
2 MgO + SiO2 = Mg2SiO4
CuBr + HNO3 = CuBr2 + Cu(NO3)2 + NO + H2O =>
6 CuBr + 8 HNO3 = 3 CuBr2 + 3 Cu(NO3)2 + 2 NO + 4 H2O
KNO3 + AgBr = AgNO3 + KBr =>
KNO3 + AgBr = AgNO3 + KBr
HNO3 + CaOH2 = Ca(HNO3)2 + H2O =>
2 HNO3 + CaOH2 = Ca(HNO3)2 + H2O
WO3 + H2SO4 = W(SO4)3 + H2O =>
WO3 + 3 H2SO4 = W(SO4)3 + 3 H2O
MgFeSi2O6 = MgO + FeO + SiO2 =>
MgFeSi2O6 = MgO + FeO + 2 SiO2
Ni(NO3)2 + NH3 = Ni + NH3NO3 =>
Ni(NO3)2 + 2 NH3 = Ni + 2 NH3NO3
Sb + H{+} = Sb{3+} + H =>
Sb + 3 H{+} = Sb{3+} + 3 H
C3H6 + Br2 = C2H4Br2 =>
2 C3H6 + 3 Br2 = 3 C2H4Br2
CrO4{-} + Mn{+2} + H3O{+} = Cr{+3} + MnO4{-} + H2O =>
5 CrO4{-} + 4 Mn{+2} + 8 H3O{+} = 5 Cr{+3} + 4 MnO4{-} + 12 H2O
BaCl2 + HO4S = HO4Ba + Cl2S =>
BaCl2 + HO4S = HO4Ba + Cl2S
Pb(No3)2 + FeSO4 = PbSO4 + Fe(No3)2 =>
Pb(No3)2 + FeSO4 = PbSO4 + Fe(No3)2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C7H4N2O3 + NaOH = C7H3N2O3 + Na + H3O =>
2 C7H4N2O3 + NaOH = 2 C7H3N2O3 + Na + H3O
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