| Équations équilibrées la veille |
3 P2O3 + 4 KMnO4 + 11 H2O = 6 H3PO4 + 4 MnO2 + 4 KOH
SrO + HI = SrI2 + H2O =>
SrO + 2 HI = SrI2 + H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
PbO + Fe = Pb + Fe2O3 =>
3 PbO + 2 Fe = 3 Pb + Fe2O3
Ba(ClO4)2 + Na2SO3 = BaSO3 + NaClO4 =>
Ba(ClO4)2 + Na2SO3 = BaSO3 + 2 NaClO4
C3H7OH + MnO4{-} + H{+} = Mn2{+} + CO2 + H2O =>
13 C3H7OH + 36 MnO4{-} + 54 H{+} = 18 Mn2{+} + 39 CO2 + 79 H2O
(HNO3) + Ca(OH)2 = Ca(NO3)2 + H2O =>
2(HNO3) + Ca(OH)2 = Ca(NO3)2 + 2 H2O
Cu(NO3)2 + H2 = CuO + NO2 + H2O =>
Cu(NO3)2 + H2 = CuO + 2 NO2 + H2O
C4H10O + KMnO4 = C4H8O2 + K + MnO2 + H2O =>
C4H10O + KMnO4 = C4H8O2 + K + MnO2 + H2O
Ar + N2 = ArN =>
2 Ar + N2 = 2 ArN
MnO4{-} + OH{-} + SO3{2-} = MnO4{2-} + SO4{2-} + H{+} =>
2 MnO4{-} + OH{-} + SO3{2-} = 2 MnO4{2-} + SO4{2-} + H{+}
NaOH + Zn + H2O + KNO3 = K2[Zn(OH)4] + Na2[Zn(HO)4] + NH3 =>
14 NaOH + 8 Zn + 12 H2O + 2 KNO3 = K2[Zn(OH)4] + 7 Na2[Zn(HO)4] + 2 NH3
KAl(SO4)2*12H2O(aq) = KAl(SO4)2 + H2O =>
KAl(SO4)2*12H2O(aq) = KAl(SO4)2 + 12 H2O
OH{-} + MnO4{-} + HSO3{-} = MnO4{2-} + SO4{2-} + H2O =>
3 OH{-} + 2 MnO4{-} + HSO3{-} = 2 MnO4{2-} + SO4{2-} + 2 H2O
Na2CO3 + H3PO4 = Na3PO4 + CO2 + H2O =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 CO2 + 3 H2O
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
KOH + AgNo3 = AgOH + KNo3 =>
KOH + AgNo3 = AgOH + KNo3
Ag2S + HNO3 = AgNO3 + NO2 + S + H2O =>
Ag2S + 4 HNO3 = 2 AgNO3 + 2 NO2 + S + 2 H2O
Al + CuCl2 = AlCl3 + Cu4 =>
8 Al + 12 CuCl2 = 8 AlCl3 + 3 Cu4
(CH3CH2)4CH3 + O2 = CO2 + H2O =>
4(CH3CH2)4CH3 + 59 O2 = 36 CO2 + 46 H2O
CaCl2 + Cs3PO4 = Cl2PO4 + Cs3Ca =>
CaCl2 + Cs3PO4 = Cl2PO4 + Cs3Ca
FeSO4 + Cu(NO3)2 = Fe(NO3)2 + CuSO4 =>
FeSO4 + Cu(NO3)2 = Fe(NO3)2 + CuSO4
Zn + MgNo3 = Zn(No3)2 + Mg =>
Zn + 2 MgNo3 = Zn(No3)2 + 2 Mg
CuSO3 + H2S = CuS + H2SO4 =>
4 CuSO3 + 3 H2S = 4 CuS + 3 H2SO4
SrCl2 + LiOH = Sr(OH)2 + LiCl =>
SrCl2 + 2 LiOH = Sr(OH)2 + 2 LiCl
C6H6O + Br2 = C6H3Br3O + HBr =>
C6H6O + 3 Br2 = C6H3Br3O + 3 HBr
K2S + KMnO4 + KOH = SO + K2MnO4 + H2O =>
K2S + 4 KMnO4 + 2 KOH = SO + 4 K2MnO4 + H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
CH3CH2OH + I2 + NaOH = CH3CO2Na + H2O + NaI =>
CH3CH2OH + 2 I2 + 5 NaOH = CH3CO2Na + 4 H2O + 4 NaI
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
MnO2 + HCl = MnCl2 + H2O + Cl =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + 2 Cl
Pb + Pb(NO3)2 = Pb2(NO3)2 =>
Pb + Pb(NO3)2 = Pb2(NO3)2
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
CH4 + O2 = CO2 + H23 =>
23 CH4 + 23 O2 = 23 CO2 + 4 H23
LiSO4 + Sr(ClO)3 = SrSO4 + Li(ClO)3 =>
LiSO4 + Sr(ClO)3 = SrSO4 + Li(ClO)3
Fe(s) + CuO(s) = FeO(s) + Cu =>
Fe(s) + CuO(s) = FeO(s) + Cu
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C7H6O + H2SO4 = C7H6SO4 + H2O =>
C7H6O + H2SO4 = C7H6SO4 + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CH4 + O2 = CO2 + H218 =>
109 CH4 + 109 O2 = 109 CO2 + 2 H218
CuFeS2(s) + O2(g) = CuO(s) + Fe2O3(s) + SO2(g) =>
4 CuFeS2(s) + 13 O2(g) = 4 CuO(s) + 2 Fe2O3(s) + 8 SO2(g)
Br2(g) + KOH(ac) = KBr(s) + KBrO3(s) + H2O(l) =>
3 Br2(g) + 6 KOH(ac) = 5 KBr(s) + KBrO3(s) + 3 H2O(l)
K + CO = K2O + C =>
2 K + CO = K2O + C
K[Al(OH)4] + HCl = KCl + H[Al(OH)4] =>
K[Al(OH)4] + HCl = KCl + H[Al(OH)4]
Al2O3 + H2SeO4 = Al2(SeO4)3 + H2O =>
Al2O3 + 3 H2SeO4 = Al2(SeO4)3 + 3 H2O
I2 + C6H10O5 = C6H10O4I + OI =>
I2 + C6H10O5 = C6H10O4I + OI
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
As + NaClO + NaOH = Na2AsO4 + NaCl + H2O =>
As + 3 NaClO + 2 NaOH = Na2AsO4 + 3 NaCl + H2O
Ca(OH)3 + H3PO4 = Ca(PO4) + H3(OH)3 =>
Ca(OH)3 + H3PO4 = Ca(PO4) + H3(OH)3
NO + H3PO4 = HNO3 + P + H2O =>
5 NO + 3 H3PO4 = 5 HNO3 + 3 P + 2 H2O
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