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4 KO2 + 2 H2O = 4 KOH + 3 O2
Cu2S + Cu2O = Cu + SO2 =>
Cu2S + 2 Cu2O = 6 Cu + SO2
PCl5 + H2 = PCl3 + HCl =>
PCl5 + H2 = PCl3 + 2 HCl
AgCl + Zr(CH3COO)4 = ZrCl4 + AgCH3COO =>
4 AgCl + Zr(CH3COO)4 = ZrCl4 + 4 AgCH3COO
NaIO3 + SO2 + H2O = NaHSO4 + H2SO4 + I2 =>
2 NaIO3 + 5 SO2 + 4 H2O = 2 NaHSO4 + 3 H2SO4 + I2
Mg + Co(NO2) = Mg(NO2)2 + Co =>
Mg + 2 Co(NO2) = Mg(NO2)2 + 2 Co
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Pb + NaOH = Pb(NaOH) =>
Pb + NaOH = Pb(NaOH)
Fe(s) + CuSO4(ac) = FeSO4 + Cu =>
Fe(s) + CuSO4(ac) = FeSO4 + Cu
FeO + HNO3 = Fe(NO3)2 + H2O =>
FeO + 2 HNO3 = Fe(NO3)2 + H2O
KHCO3(aq) = K2CO3(aq) + H2O(l) + CO2(g) =>
2 KHCO3(aq) = K2CO3(aq) + H2O(l) + CO2(g)
I2 + AgF = IF + AgI =>
I2 + AgF = IF + AgI
S + H2O + HClO3 = H2SO4 + Cl2 =>
5 S + 2 H2O + 6 HClO3 = 5 H2SO4 + 3 Cl2
Cr2(SO4)3 + CaOH = Cr(OH)3 + Ca2SO4 =>
Cr2(SO4)3 + 6 CaOH = 2 Cr(OH)3 + 3 Ca2SO4
SO2 + Li2Se = Li2O + SSe2 =>
SO2 + 2 Li2Se = 2 Li2O + SSe2
S2O3{2-} + OH{-} + Cl2 = SO4{2-} + Cl{-} + H2O =>
S2O3{2-} + 10 OH{-} + 4 Cl2 = 2 SO4{2-} + 8 Cl{-} + 5 H2O
CdCl + O2 = CdClO3 =>
2 CdCl + 3 O2 = 2 CdClO3
C7H7O2 + Na = C7H6O2Na + H2 =>
2 C7H7O2 + 2 Na = 2 C7H6O2Na + H2
BaO + Cr2O3 = Ba3(CrO3)2 =>
3 BaO + Cr2O3 = Ba3(CrO3)2
Ni + Al2(SO4)3 = Ni3(SO4)2 + Al =>
9 Ni + 2 Al2(SO4)3 = 3 Ni3(SO4)2 + 4 Al
HPO3 + Hg(OH)2 = Hg(PO3)2 + H2O =>
2 HPO3 + Hg(OH)2 = Hg(PO3)2 + 2 H2O
Bi + NO2 = Bi3O3 + NO =>
3 Bi + 3 NO2 = Bi3O3 + 3 NO
Cr2O7{2-} + Hg + H2SO4 + H{+} = Hg2SO4 + Cr{3+} + H2O =>
Cr2O7{2-} + 6 Hg + 3 H2SO4 + 8 H{+} = 3 Hg2SO4 + 2 Cr{3+} + 7 H2O
Ca + As = CaAs =>
Ca + As = CaAs
Fe2O3 + PdO + MoO3 + N2 + H2 = FePdMo3N + H2O =>
Fe2O3 + 2 PdO + 6 MoO3 + N2 + 23 H2 = 2 FePdMo3N + 23 H2O
Au2(SO4)3 + Al = AlSO4 + Au =>
Au2(SO4)3 + 3 Al = 3 AlSO4 + 2 Au
SO2 + [O] + H2O = H2SO4 =>
SO2 + [O] + H2O = H2SO4
KI + CH3COOH = CH3COOK + HI =>
KI + CH3COOH = CH3COOK + HI
Na + Ca(SO4)2 = Na2SO4 + Ca =>
4 Na + Ca(SO4)2 = 2 Na2SO4 + Ca
HCl + Be = BeCl2 + H2 =>
2 HCl + Be = BeCl2 + H2
H2O + NO2 = (HNO3) + NO =>
H2O + 3 NO2 = 2(HNO3) + NO
Al(OH)3 + Na2CO3 = Al2(CO3)3 + NaOH =>
2 Al(OH)3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaOH
Li + B = LiB =>
Li + B = LiB
CrBr3 + NaOH + Cl2 = Na2CrO4 + NaBrO3 + NaCl + H2O =>
2 CrBr3 + 52 NaOH + 21 Cl2 = 2 Na2CrO4 + 6 NaBrO3 + 42 NaCl + 26 H2O
ZnS + Cr(OH)3 = Zn(OH) + CrS3 =>
3 ZnS + Cr(OH)3 = 3 Zn(OH) + CrS3
K + Ca(OH)2 = Ca(OH)2K =>
K + Ca(OH)2 = Ca(OH)2K
CS2 + Cl = CCl + S2Cl2 =>
CS2 + 3 Cl = CCl + S2Cl2
H + NO2 + Al = NH4 + AlO2 =>
4 H + NO2 + Al = NH4 + AlO2
NaOH + Br2 + K2SO3 = K2SO4 + NaBr + H2O =>
2 NaOH + Br2 + K2SO3 = K2SO4 + 2 NaBr + H2O
NH4ClO4 = N2 + Cl2 + O2 + H3O =>
6 NH4ClO4 = 3 N2 + 3 Cl2 + 8 O2 + 8 H3O
Zn + MbSO4 = Mb + ZnSO4 =>
Zn + MbSO4 = Mb + ZnSO4
H2SO4 + K3PO4 = KHSO4 + K2HPO4 =>
H2SO4 + K3PO4 = KHSO4 + K2HPO4
NH4NO3 + KOH = N2 + KNO3 + H2O =>
5 NH4NO3 + 2 KOH = 4 N2 + 2 KNO3 + 11 H2O
CH3CH26 + O2 = CO2 + H2O =>
4 CH3CH26 + 37 O2 = 8 CO2 + 58 H2O
Al(OH)3 + NaCl = AlCl3 + NaOH =>
Al(OH)3 + 3 NaCl = AlCl3 + 3 NaOH
Cu(NO3)2 + Na2S = CuS + NaNO3 =>
Cu(NO3)2 + Na2S = CuS + 2 NaNO3
HOF = HF + O2 =>
2 HOF = 2 HF + O2
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
PCl3 + H2O = (POH)3 + HCl3 =>
3 PCl3 + 3 H2O = (POH)3 + 3 HCl3
C8H17OH + O2 = CO2 + H2O =>
C8H17OH + 12 O2 = 8 CO2 + 9 H2O
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