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2 CrO4{2-} + 6 Fe(OH)2 + 5 H2O = Cr2O3 + 6 Fe(OH)3 + 4 OH{-}
KMnO4 + CH3COCH2COCH3 = Mn(C5H7O2)3 + CO2 + H2O + KOH =>
6 KMnO4 + 19 CH3COCH2COCH3 = 6 Mn(C5H7O2)3 + 5 CO2 + 10 H2O + 6 KOH
HCl + H2PO4 = Cl + H3PO4 =>
HCl + H2PO4 = Cl + H3PO4
Pb + Na2SO4 = Pb(Na2SO4)2 =>
Pb + 2 Na2SO4 = Pb(Na2SO4)2
Cu + N + H = Cu(NH)6 =>
Cu + 6 N + 6 H = Cu(NH)6
Si + O2 = Si2O5 =>
4 Si + 5 O2 = 2 Si2O5
Cl + O + F = ClO2F =>
Cl + 2 O + F = ClO2F
Cu + N + H = Cu(NH)6 =>
Cu + 6 N + 6 H = Cu(NH)6
Na2S2O3 + Br2 + H2O = Na2SO4 + SO2 + HBr =>
Na2S2O3 + 3 Br2 + 3 H2O = Na2SO4 + SO2 + 6 HBr
SiO2 + H2O = Si(OH)4 =>
SiO2 + 2 H2O = Si(OH)4
MgSO4(aq) + AgClO4(aq) = Mg(ClO4)2(aq) + Ag2SO4(aq) =>
MgSO4(aq) + 2 AgClO4(aq) = Mg(ClO4)2(aq) + Ag2SO4(aq)
NiCl2 + Ca(OH)2 = Ni(OH)2 + CaCl2 =>
NiCl2 + Ca(OH)2 = Ni(OH)2 + CaCl2
Pb{2+} + NaOH = Pb(OH)2 + Na{+} =>
Pb{2+} + 2 NaOH = Pb(OH)2 + 2 Na{+}
Cu + N + H = Cu(NH)6 =>
Cu + 6 N + 6 H = Cu(NH)6
Si + O2 = Si2O5 =>
4 Si + 5 O2 = 2 Si2O5
Au2S + O2 = Au2O + SO2 =>
2 Au2S + 3 O2 = 2 Au2O + 2 SO2
Ba(NO3)2 + Al2(SO4)3 = Ba(SO4)3 + Al2(NO3)2 =>
Ba(NO3)2 + Al2(SO4)3 = Ba(SO4)3 + Al2(NO3)2
Si + O2 = Si2O5 =>
4 Si + 5 O2 = 2 Si2O5
NaOH + K2O = Na2O + KOH =>
2 NaOH + K2O = Na2O + 2 KOH
NaBr(aq) + AgC2H3O2(aq) = NaC2H3O2 + BrAg =>
NaBr(aq) + AgC2H3O2(aq) = NaC2H3O2 + BrAg
ZnOCaCO3 = CaZnO2CO2 =>
ZnOCaCO3 = CaZnO2CO2
Ba(ClO3)2 + Na2S = BaS + Na(ClO3) =>
Ba(ClO3)2 + Na2S = BaS + 2 Na(ClO3)
Cu + HNO3 = Cu(NO3)2 + H2O + N2 =>
5 Cu + 12 HNO3 = 5 Cu(NO3)2 + 6 H2O + N2
(NH4)2S(aq) + SrCl2(aq) = (NH4)2Cl2(aq) + SrS(s) =>
(NH4)2S(aq) + SrCl2(aq) = (NH4)2Cl2(aq) + SrS(s)
AgNO + Fe = Fe(NO)2 + Ag =>
2 AgNO + Fe = Fe(NO)2 + 2 Ag
C3H8O3 + HNO3 = C3H5O3(NO2)3 + H2O =>
C3H8O3 + 3 HNO3 = C3H5O3(NO2)3 + 3 H2O
BeCO3 + H3PO4 = Be3(PO4)2 + H2O + CO2 =>
3 BeCO3 + 2 H3PO4 = Be3(PO4)2 + 3 H2O + 3 CO2
Ba(OH)2 + CrBr2 = BaBr2 + Cr(OH)2 =>
Ba(OH)2 + CrBr2 = BaBr2 + Cr(OH)2
Sr(s) + HBr(aq) = SrBr2(aq) + H2(g) =>
Sr(s) + 2 HBr(aq) = SrBr2(aq) + H2(g)
Fe2(SO4)3 + HNO3 = Fe(NO3)3 + H2SO4 =>
Fe2(SO4)3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2SO4
Cu + Pb{2+} = Cu{2+} + Pb =>
Cu + Pb{2+} = Cu{2+} + Pb
H2SO4 + LiOH = H2O + Li2SO4 =>
H2SO4 + 2 LiOH = 2 H2O + Li2SO4
K2[Zn(OH)4] + HCl = KCl + Zn(OH)2 + H2O =>
K2[Zn(OH)4] + 2 HCl = 2 KCl + Zn(OH)2 + 2 H2O
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
CuCl + NaNO3 = Cu(NO3) + NaCl =>
CuCl + NaNO3 = Cu(NO3) + NaCl
Cl2 + AgF = AgCl + ClF5 =>
3 Cl2 + 5 AgF = 5 AgCl + ClF5
SnCl4 + H2O = SnO2 + HCl =>
SnCl4 + 2 H2O = SnO2 + 4 HCl
Sn + H2O = Sn(OH)4 + H2 =>
Sn + 4 H2O = Sn(OH)4 + 2 H2
KMnO4 + HBr = MnBr2 + Br2 + KBr + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 5 Br2 + 2 KBr + 8 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
SiO2(s) + C(s) = Si(l) + CO(g) =>
SiO2(s) + 2 C(s) = Si(l) + 2 CO(g)
Fe2 + S8 = Fe8S2 =>
16 Fe2 + S8 = 4 Fe8S2
Na2WO4 + Na2S + HCl = NaCl + W5O14 + H2O + S =>
5 Na2WO4 + Na2S + 12 HCl = 12 NaCl + W5O14 + 6 H2O + S
CuCl + HCl = CuCl2 + H2 =>
2 CuCl + 2 HCl = 2 CuCl2 + H2
KAgCl = AgKCl =>
KAgCl = AgKCl
C + Na2Cr2O7 = Cr2O3 + Na2O + CO2 =>
3 C + 2 Na2Cr2O7 = 2 Cr2O3 + 2 Na2O + 3 CO2
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
Fe(NO3)2 + K2CrO4 = FeCrO4 + K2(NO3)2 =>
Fe(NO3)2 + K2CrO4 = FeCrO4 + K2(NO3)2
NH3 + CuO = N2 + H2O + Cu =>
2 NH3 + 3 CuO = N2 + 3 H2O + 3 Cu
As2O3 = As4 + O2 =>
2 As2O3 = As4 + 3 O2
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