| Équations équilibrées la veille |
2 CrO4{2-} + 3 CN{-} + 5 H2O = 2 Cr{3+} + 3 OCN{-} + 10 OH{-}
KNO3(aq) + CaCl2(aq) = Ca(NO3)2(aq) + KCl =>
2 KNO3(aq) + CaCl2(aq) = Ca(NO3)2(aq) + 2 KCl
Cu + KNO3 = K + Cu(NO3)2 =>
Cu + 2 KNO3 = 2 K + Cu(NO3)2
Sn + CuSO4 = SnSO4 + Cu =>
Sn + CuSO4 = SnSO4 + Cu
HCl(aq) + H2O2(aq) = Cl2(aq) + H2O(l) =>
2 HCl(aq) + H2O2(aq) = Cl2(aq) + 2 H2O(l)
H4P2O7 + Mg(OH)2 = (MgOH)4P2O7 + H2O =>
H4P2O7 + 4 Mg(OH)2 = (MgOH)4P2O7 + 4 H2O
P4 + HClO3 + H2O = H3PO4 + HCl =>
3 P4 + 10 HClO3 + 18 H2O = 12 H3PO4 + 10 HCl
PHCOOH + Na2CO3 = PHCOONa + NaHCO3 =>
PHCOOH + Na2CO3 = PHCOONa + NaHCO3
S + H2O = S(OH)2 + H =>
S + 2 H2O = S(OH)2 + 2 H
Au + HF = AuF3 + H2 =>
2 Au + 6 HF = 2 AuF3 + 3 H2
Fe2{+} + Ca(ClO)2 + H2O = Fe(OH)3 + CaCl2 + H{+} =>
4 Fe2{+} + 5 Ca(ClO)2 + 14 H2O = 8 Fe(OH)3 + 5 CaCl2 + 4 H{+}
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Ca(OH)2 + Pb(NO3)2 = Pb(OH)2 + Ca(NO3)2 =>
Ca(OH)2 + Pb(NO3)2 = Pb(OH)2 + Ca(NO3)2
Ag(s) + CuSO4(aq) = Cu(s) + Ag2SO4(s) =>
2 Ag(s) + CuSO4(aq) = Cu(s) + Ag2SO4(s)
C2H2 + Cu(NH3)2Cl = C2Cu2 + NH3 + HCl =>
C2H2 + 2 Cu(NH3)2Cl = C2Cu2 + 4 NH3 + 2 HCl
C7H2 + O2 = CO2 + H2O =>
2 C7H2 + 15 O2 = 14 CO2 + 2 H2O
NaOH + CO + NiS = Ni(CO)4 + Na2CO3 + NaS + H2O =>
4 NaOH + 9 CO + 2 NiS = 2 Ni(CO)4 + Na2CO3 + 2 NaS + 2 H2O
[Cd(NH3)6](OH)2 + H2S = CdS + (NH4)2S + H2O =>
[Cd(NH3)6](OH)2 + 4 H2S = CdS + 3(NH4)2S + 2 H2O
C6H5CH3 + HNO3 = C6H4CH3NO2 + H2O =>
C6H5CH3 + HNO3 = C6H4CH3NO2 + H2O
NaOH + Na2CO3 = NaHCO3 + Na2O =>
NaOH + Na2CO3 = NaHCO3 + Na2O
P + O = P4O10 =>
4 P + 10 O = P4O10
CaMgSi2O6 = SiO2 + CaSiO3 + Mg2SiO4 =>
2 CaMgSi2O6 = SiO2 + 2 CaSiO3 + Mg2SiO4
AlSO4 + KOH = KSO4 + AlOH =>
AlSO4 + KOH = KSO4 + AlOH
K2CrO4 + Na2SO3 + KOH + H2O = Na2SO4 + K3[Cr(OH)6] =>
2 K2CrO4 + 3 Na2SO3 + 2 KOH + 5 H2O = 3 Na2SO4 + 2 K3[Cr(OH)6]
HCOOK + H2SO4 = K2SO4 + CO + H2O =>
2 HCOOK + H2SO4 = K2SO4 + 2 CO + 2 H2O
Cr(CO3)2 = CrO2 + CO2 =>
Cr(CO3)2 = CrO2 + 2 CO2
C6H5Cl + Na + C2H5Cl = NaCl + C6H5CH3 =>
19 C6H5Cl + 32 Na + 13 C2H5Cl = 32 NaCl + 20 C6H5CH3
HSO4 + HI = H2O + H2S + I2 =>
2 HSO4 + 18 HI = 8 H2O + 2 H2S + 9 I2
H2SO4(aq) + NaCN(aq) = HCN(g) + Na2SO4(awq) =>
H2SO4(aq) + 2 NaCN(aq) = 2 HCN(g) + Na2SO4(awq)
Pd + H2O = Pd(OH)4 + H2 =>
Pd + 4 H2O = Pd(OH)4 + 2 H2
C2H6O + Cr2O7{-2} + H{+} = C2H4O + H2O + Cr3{+} =>
17 C2H6O + 3 Cr2O7{-2} + 8 H{+} = 17 C2H4O + 21 H2O + 2 Cr3{+}
SNS2(s) + O2(g) = SNO2(s) + SO2(g) =>
SNS2(s) + 3 O2(g) = SNO2(s) + 2 SO2(g)
ClO{-} + Cl{-} + H{+} = Cl2 + H2O =>
ClO{-} + Cl{-} + 2 H{+} = Cl2 + H2O
CuBr + HNO3 = Cu(NO3)2 + HBr + NO2 + H2O =>
CuBr + 3 HNO3 = Cu(NO3)2 + HBr + NO2 + H2O
Cs{+} + O{-2} = Cs2O =>
2 Cs{+} + O{-2} = Cs2O
C4H8O + Ag2O = C4H8O2 + Ag =>
C4H8O + Ag2O = C4H8O2 + 2 Ag
BaCl2 + H2O = BaO + HCl =>
BaCl2 + H2O = BaO + 2 HCl
Li2S(s) = Li(s) + S(s) =>
Li2S(s) = 2 Li(s) + S(s)
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
SnCl2 + Br2 = SnBr2 + Cl2 =>
SnCl2 + Br2 = SnBr2 + Cl2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
C2H6O + Cr2O7{-2} + H{+} = C2H4O + H2O + Cr{3+} =>
3 C2H6O + Cr2O7{-2} + 8 H{+} = 3 C2H4O + 7 H2O + 2 Cr{3+}
NaCl + Hg = NaClHg =>
NaCl + Hg = NaClHg
H2CO3 + Sb2O3 = Sb2(CO3)3 + H2O =>
3 H2CO3 + Sb2O3 = Sb2(CO3)3 + 3 H2O
C6H5CH3 + HNO3 = C6H2CH3(NO2)3 + H2O =>
C6H5CH3 + 3 HNO3 = C6H2CH3(NO2)3 + 3 H2O
H2NC6H4NO2 + H2 = H2NC6H4NH2 + H2O =>
H2NC6H4NO2 + 3 H2 = H2NC6H4NH2 + 2 H2O
H2 + MnO4 = MnO + H2O =>
3 H2 + MnO4 = MnO + 3 H2O
K4[Fe(CN)6] + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + HNO3 + MnSO4 + K2SO4 + H2O =>
10 K4[Fe(CN)6] + 122 KMnO4 + 218 H2SO4 = 5 Fe2(SO4)3 + 60 CO2 + 60 HNO3 + 122 MnSO4 + 81 K2SO4 + 188 H2O
BaCO3CH3COOH = Ba(CH3COOH)CO3 =>
BaCO3CH3COOH = Ba(CH3COOH)CO3
NaBr2 + Cl2 = NaCl2 + Br2 =>
NaBr2 + Cl2 = NaCl2 + Br2
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