| Équations équilibrées la veille |
3 S + Cr2O7{2-} + 2 H{+} = 3 SO2 + 2 Cr + H2O
CoSO4 + Br2 + NaOH = NaBr + CoOOH + Na2SO4 + H2O =>
2 CoSO4 + Br2 + 6 NaOH = 2 NaBr + 2 CoOOH + 2 Na2SO4 + 2 H2O
H2SO4(ag) + Na2SO3(s) = SO2(g) + Na2SO4(ag) + H2O =>
H2SO4(ag) + Na2SO3(s) = SO2(g) + Na2SO4(ag) + H2O
H2S + KMnO4 + H2O = MnO2 + KHSO4 + KOH =>
3 H2S + 8 KMnO4 + H2O = 8 MnO2 + 3 KHSO4 + 5 KOH
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
NiCl2 + H2S = NiS + HCl =>
NiCl2 + H2S = NiS + 2 HCl
CH3(g) + O2(g) = CO2(l) + H2O(g) =>
4 CH3(g) + 7 O2(g) = 4 CO2(l) + 6 H2O(g)
P + H2O + KOH = PH3 + KHPO4 =>
3 P + 3 H2O + KOH = 2 PH3 + KHPO4
CO(NH2)2 = (HNCO)3 + NH3 =>
3 CO(NH2)2 = (HNCO)3 + 3 NH3
K3PO4(aq) + NiBr2(aq) = Ni3(PO4)2(s) + KBr =>
2 K3PO4(aq) + 3 NiBr2(aq) = Ni3(PO4)2(s) + 6 KBr
SiO2 + Al2O3 = Al4(SiO4)3 =>
3 SiO2 + 2 Al2O3 = Al4(SiO4)3
HF + FeO2 = FeF4 + H2O =>
4 HF + FeO2 = FeF4 + 2 H2O
K + C = KC2 =>
K + 2 C = KC2
HI + KHSO3 = K2I + H2 + SO3 =>
2 HI + 4 KHSO3 = 2 K2I + 3 H2 + 4 SO3
AsS5 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
AsS5 + 35 HNO3 = H3AsO4 + 5 H2SO4 + 35 NO2 + 11 H2O
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
Ba + HI = BaI2 + H2 =>
Ba + 2 HI = BaI2 + H2
H4P2 = PH3 + P4H2 =>
5 H4P2 = 6 PH3 + P4H2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H2SO4 + NiCl2 = NiSO4 + HCl =>
H2SO4 + NiCl2 = NiSO4 + 2 HCl
C4H9Br + NH3 + KOH = C4H9NH2 + KBr + H2O =>
C4H9Br + NH3 + KOH = C4H9NH2 + KBr + H2O
Ba(OH)2 + Na2SO4 = BaSO4 + NaOH =>
Ba(OH)2 + Na2SO4 = BaSO4 + 2 NaOH
NaHCO3 + HClO3 = NaClO3 + H2CO3 =>
NaHCO3 + HClO3 = NaClO3 + H2CO3
Pb2(NO3)2 + KI = Pb2I2 + KNO3 =>
Pb2(NO3)2 + 2 KI = Pb2I2 + 2 KNO3
Pb(NO3)2 + NaIO3 = Pb(IO3)2 + Na(NO3) =>
Pb(NO3)2 + 2 NaIO3 = Pb(IO3)2 + 2 Na(NO3)
EuC2 + H2O = Eu(OH)2 + C2H2 =>
EuC2 + 2 H2O = Eu(OH)2 + C2H2
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
C6H12O6 + K2Cr2O7 + H2SO4 = (C3H4O3) + (Cr2(SO4)3) + K2SO4 + (H2O) =>
3 C6H12O6 + 2 K2Cr2O7 + 8 H2SO4 = 6(C3H4O3) + 2(Cr2(SO4)3) + 2 K2SO4 + 14(H2O)
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
CuO2CO = CuOCO2 =>
CuO2CO = CuOCO2
FeBr3 + H2O = HBr + Fe2O3 =>
2 FeBr3 + 3 H2O = 6 HBr + Fe2O3
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Pb(NO3)2 + Na2CO3 = PbCO3 + Na2(NO3)2 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + Na2(NO3)2
FeSO4 + NH3 = FeNH3 + SO4 =>
FeSO4 + NH3 = FeNH3 + SO4
I2 + CI2 = ICI5 =>
2 I2 + CI2 = ICI5
C2H6OH + HCl = C2H6Cl + H2O =>
C2H6OH + HCl = C2H6Cl + H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
KClO3 + H2SO4 = KHSO4 + ClO2 + HClO4 + H2O =>
3 KClO3 + 3 H2SO4 = 3 KHSO4 + 2 ClO2 + HClO4 + H2O
Ga + HNO3 = Ga(NO3)3 + H2 =>
2 Ga + 6 HNO3 = 2 Ga(NO3)3 + 3 H2
C(s) + H2(g) + Cl2(g) = CHCl3(l) =>
2 C(s) + H2(g) + 3 Cl2(g) = 2 CHCl3(l)
C8H8O3 + NaOH + H2O = C5H4O6Na2 + C3H8O3 =>
14 C8H8O3 + 10 NaOH + 65 H2O = 5 C5H4O6Na2 + 29 C3H8O3
K2Cr2O7 + NH3 + H2SO4 = K2SO4 + Cr2(SO4)3 + N2 + H2O =>
K2Cr2O7 + 2 NH3 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + N2 + 7 H2O
IPO4 + OH{-} + H2O = I2 + IO3{-} + H2PO4{-} =>
5 IPO4 + 8 OH{-} + H2O = I2 + 3 IO3{-} + 5 H2PO4{-}
Mn(C2H3O2)2 + Sr = SrC2H3O2 + Mn =>
Mn(C2H3O2)2 + 2 Sr = 2 SrC2H3O2 + Mn
(NH4)2SO4 + C20H27NO11 + H2O = C18H30SO3 + HNO3 + C2H4O4 =>
(NH4)2SO4 + C20H27NO11 + H2O = C18H30SO3 + 3 HNO3 + C2H4O4
HCl(aq) + K2CO3(s) = KCl(aq) + CH2O3 =>
2 HCl(aq) + K2CO3(s) = 2 KCl(aq) + CH2O3
Fe2(SO4) + KMnO4 + H2SO4 = KHSO4 + MnSO4 + Fe2(SO4)3 + H2O =>
5 Fe2(SO4) + 4 KMnO4 + 18 H2SO4 = 4 KHSO4 + 4 MnSO4 + 5 Fe2(SO4)3 + 16 H2O
Ti(OH)2 + HBrO = Ti(BrO)2 + H2O =>
Ti(OH)2 + 2 HBrO = Ti(BrO)2 + 2 H2O
ClO + CrO2 + H2O = Cl + Cr(OH)5 =>
ClO + 2 CrO2 + 5 H2O = Cl + 2 Cr(OH)5
C3H7Br = C3H6 + HBr =>
C3H7Br = C3H6 + HBr
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