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2 KCl + PbO2 + 4 HNO3 = Cl2 + Pb(NO3)2 + 2 KNO3 + 2 H2O
CuBr + F2 = CuF + Br2 =>
2 CuBr + F2 = 2 CuF + Br2
H2O2 + H2SO4 + KI = K2SO4 + H2O + I2 = ionique =>
H2O2 + H2SO4 + 2 KI = K2SO4 + 2 H2O + I2
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
Cu(s) + H2SO4 = CuSO4 + SO2 + H2O =>
Cu(s) + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H2S + (Cr2O7){-}2 + H{+} = S + Cr3{+} + H2O =>
37 H2S + 6(Cr2O7){-}2 + 10 H{+} = 37 S + 4 Cr3{+} + 42 H2O
HOCH2CH(OH){-}CH2OH + Na = NaOCH2CH(ONa){-}CH2ONa + H2 =>
HOCH2CH(OH){-}CH2OH + 2 Na = NaOCH2CH(ONa){-}CH2ONa + H2
CO2 + F2 = CF4 + OF2 =>
CO2 + 4 F2 = CF4 + 2 OF2
CuCl2 + HCl = H2[CuCl4] =>
CuCl2 + 2 HCl = H2[CuCl4]
Fe2 + CuSO4 = FeSO4 + Cu2 =>
Fe2 + 2 CuSO4 = 2 FeSO4 + Cu2
Li2CO3 + MgS = MgCO3 + Li2S =>
Li2CO3 + MgS = MgCO3 + Li2S
AgN3 = N2 + Ag =>
2 AgN3 = 3 N2 + 2 Ag
KMnO4 + C6H12O6 + NaOH = K2MnO4 + H2O + C6H11O7Na + MnO2 =>
2 KMnO4 + 2 C6H12O6 + 2 NaOH = K2MnO4 + 2 H2O + 2 C6H11O7Na + MnO2
O2(g) = O3(g) =>
3 O2(g) = 2 O3(g)
C8H18 + O2 = CO + H2O = =>
2 C8H18 + 17 O2 = 16 CO + 18 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
H2Br2 = HBr =>
H2Br2 = 2 HBr
Li + Cu(NO3)2 = Cu + Li(NO3)2 =>
Li + Cu(NO3)2 = Cu + Li(NO3)2
Ca + O = CaO =>
Ca + O = CaO
K2[Zn(OH)4] + HCl = ZnCl2 + KCl + H2O =>
K2[Zn(OH)4] + 4 HCl = ZnCl2 + 2 KCl + 4 H2O
CuCl2 + F = CuF2 + Cl2 =>
CuCl2 + 2 F = CuF2 + Cl2
H + S4 + O = H2SO4 =>
8 H + S4 + 16 O = 4 H2SO4
CaCO3 + C6H8O7 = Ca + H2O + CO2 =>
9 CaCO3 + C6H8O7 = 9 Ca + 4 H2O + 15 CO2
IO3{-} + HSO3{-} + OH{-} = I{-} + SO4{2-} + H2O =>
IO3{-} + 3 HSO3{-} + 3 OH{-} = I{-} + 3 SO4{2-} + 3 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C5H8 + H2O = CO + H2 =>
C5H8 + 5 H2O = 5 CO + 9 H2
Cu + H2O + CO2 + O2 = Cu3(CO3)2(OH)2 =>
6 Cu + 2 H2O + 4 CO2 + 3 O2 = 2 Cu3(CO3)2(OH)2
C6H12O6 + KNO3 = CO2 + H2O + KOH + N2O =>
C6H12O6 + 6 KNO3 = 6 CO2 + 3 H2O + 6 KOH + 3 N2O
NaOCl + H2O = HOCl + NaOH =>
NaOCl + H2O = HOCl + NaOH
Pb(NO3)2 + Na2S = PbS2 + Na2NO3 =>
Pb(NO3)2 + 2 Na2S = PbS2 + 2 Na2NO3
Cr(NO3)3 + NaBiO3 + HNO3 = H2Cr2O7 + Bi(NO3)3 + NaNO3 + H2O =>
2 Cr(NO3)3 + 3 NaBiO3 + 6 HNO3 = H2Cr2O7 + 3 Bi(NO3)3 + 3 NaNO3 + 2 H2O
As2O5 + KOH = As(OH)5 + K2O =>
As2O5 + 10 KOH = 2 As(OH)5 + 5 K2O
CaCO3(s) + H2O(l) = CO2(g) + Ca(OH)2(aq) =>
CaCO3(s) + H2O(l) = CO2(g) + Ca(OH)2(aq)
Mg + HNO3 = Mg(NO3)2 + hydrogen =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca(NO3)2 + Na2S = CaS + Na(NO3) =>
Ca(NO3)2 + Na2S = CaS + 2 Na(NO3)
H2SO4 + CH3COOH = (CH3COO)2SO4 + H2 =>
H2SO4 + 2 CH3COOH = (CH3COO)2SO4 + 2 H2
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
AlH3 + HCl = AlCl3 + H2 =>
AlH3 + 3 HCl = AlCl3 + 3 H2
Al + H2SO4 = Al2(SO3) + H2O =>
2 Al + H2SO4 = Al2(SO3) + H2O
KMnO4(aq) + KI(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + H2O(l) + I2(s) =>
2 KMnO4(aq) + 10 KI(aq) + 8 H2SO4(aq) = 2 MnSO4(aq) + 6 K2SO4(aq) + 8 H2O(l) + 5 I2(s)
Cu(OH)2 + H2CO3 = (CuOH)2CO3 + H2O =>
2 Cu(OH)2 + H2CO3 = (CuOH)2CO3 + 2 H2O
C6H10 + O2 = CO2 + H2O =>
2 C6H10 + 17 O2 = 12 CO2 + 10 H2O
O3 + CrCl3 + KOH = K2Cr2O7 + KCl + H2O =>
O3 + 2 CrCl3 + 8 KOH = K2Cr2O7 + 6 KCl + 4 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
CO2 + H2 = C2H2 + H2O =>
2 CO2 + 5 H2 = C2H2 + 4 H2O
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
CH3COOH + KOH = KC2H3O2 + H2O =>
CH3COOH + KOH = KC2H3O2 + H2O
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