| Équations équilibrées la veille |
8 K + 5 H2SO4 = 4 H2O + H2S + 4 K2SO4
COOH + NaOH = (COONa)2 + H2O =>
2 COOH + 2 NaOH = (COONa)2 + 2 H2O
HgO + Ca(HSO4)2 = HgSO4 + CaSO4 + H2O =>
HgO + Ca(HSO4)2 = HgSO4 + CaSO4 + H2O
MnO2 + HNO3 + NO = Mn(NO3)2 + H2O =>
3 MnO2 + 4 HNO3 + 2 NO = 3 Mn(NO3)2 + 2 H2O
AsO2{-} + Sn{2+} + Cl{-} + H{+} = As + SnCl6{2-} + H2O =>
2 AsO2{-} + 3 Sn{2+} + 18 Cl{-} + 8 H{+} = 2 As + 3 SnCl6{2-} + 4 H2O
Rh + O2 = Rh2O3 =>
4 Rh + 3 O2 = 2 Rh2O3
HgCl4 + Sn = Hg2Cl2 + SnCl4 =>
4 HgCl4 + 3 Sn = 2 Hg2Cl2 + 3 SnCl4
FeO + CO(g) = Fe(s) + CO2(g) =>
FeO + CO(g) = Fe(s) + CO2(g)
CuSO4 + Ag = Ag2SO4 + Cu =>
CuSO4 + 2 Ag = Ag2SO4 + Cu
Na2HPO4 + HOH = H3PO4 + NaOH =>
Na2HPO4 + 2 HOH = H3PO4 + 2 NaOH
Au(s) + Ag(NO3)3(aq) = Ag(s) + AuNO3(s) =>
3 Au(s) + Ag(NO3)3(aq) = Ag(s) + 3 AuNO3(s)
Bi + H2S = Bi2S + H2 =>
2 Bi + H2S = Bi2S + H2
NiO + HNO3 = Ni(NO3)2 + H2 + O2 =>
2 NiO + 4 HNO3 = 2 Ni(NO3)2 + 2 H2 + O2
Na2CO3(aq) + LiI(aq) = Li2CO3(aq) + NaI(aq) =>
Na2CO3(aq) + 2 LiI(aq) = Li2CO3(aq) + 2 NaI(aq)
(c)LiOH(s) + CO2(g) = Li2CO3(s) + H2O(g) =>
2(c)LiOH(s) + CO2(g) = Li2CO3(s) + H2O(g)
[Ag(NH3)2]{+} + HBr = AgBr + NH3 + H{+} =>
[Ag(NH3)2]{+} + HBr = AgBr + 2 NH3 + H{+}
Li + Ce2 = LiCe =>
2 Li + Ce2 = 2 LiCe
CrOCl2 + H2O = HCrO2Cl + HCl =>
CrOCl2 + H2O = HCrO2Cl + HCl
MgO + KNO3 = KO + MgNO3 =>
MgO + KNO3 = KO + MgNO3
CH3COCH3 + O2 = CO2 + H2O =>
CH3COCH3 + 4 O2 = 3 CO2 + 3 H2O
BaBr2 + CuCl3 = BaCl2 + CuBr3 =>
3 BaBr2 + 2 CuCl3 = 3 BaCl2 + 2 CuBr3
CuCl + HI = CuI + HCl =>
CuCl + HI = CuI + HCl
SnF2(aq) + Na3PO4(aq) = Sn3(PO4)2(s) + NaF(aq) =>
3 SnF2(aq) + 2 Na3PO4(aq) = Sn3(PO4)2(s) + 6 NaF(aq)
NaSO3 + Br2 + NaOH = NaBr + Na2SO4 + H2O =>
2 NaSO3 + Br2 + 4 NaOH = 2 NaBr + 2 Na2SO4 + 2 H2O
NaOH + CuBr2 = Cu(OH)2(s) + NaBr =>
2 NaOH + CuBr2 = Cu(OH)2(s) + 2 NaBr
FeCl2 + H2SO4 = FeSO4 + FeCl3 + SO2 + H2O =>
3 FeCl2 + 2 H2SO4 = FeSO4 + 2 FeCl3 + SO2 + 2 H2O
Na + S = Na2S =>
2 Na + S = Na2S
CuSO4 + NH4OH = Cu2SO4(OH)2 + (NH4)2SO4 =>
2 CuSO4 + 2 NH4OH = Cu2SO4(OH)2 + (NH4)2SO4
C4H6O3 = C7H8 + CO + H2O =>
11 C4H6O3 = 4 C7H8 + 16 CO + 17 H2O
TiBr3 + O2 = TiO2 + BrO2 =>
TiBr3 + 4 O2 = TiO2 + 3 BrO2
Cr2O7{-}2 + SO3{-}2 + H3O{+} = Cr3{+} + SO4{-}2 + H2O =>
6 Cr2O7{-}2 + 37 SO3{-}2 + 10 H3O{+} = 4 Cr3{+} + 37 SO4{-}2 + 15 H2O
An + AgNO3 = An(NO3)2 + Ag =>
An + 2 AgNO3 = An(NO3)2 + 2 Ag
KOH + N2O3 = KNO3 + NO + H2O =>
2 KOH + 3 N2O3 = 2 KNO3 + 4 NO + H2O
NH4OH + KNO3 = NH4K + OHNO3 =>
NH4OH + KNO3 = NH4K + OHNO3
KMnO4 + HCl + KI = MnCl2 + I2 + H2O + K2O =>
2 KMnO4 + 4 HCl + 10 KI = 2 MnCl2 + 5 I2 + 2 H2O + 6 K2O
Cr(NO3)3 + ZnCl2 = CrCl2 + Zn(NO3)3 =>
Cr(NO3)3 + ZnCl2 = CrCl2 + Zn(NO3)3
NO2 + HClO = NO3{-} + Cl2 + H{+} =>
2 NO2 + 2 HClO = 2 NO3{-} + Cl2 + 2 H{+}
C20H42 = H2 + C60 =>
3 C20H42 = 63 H2 + C60
Au(NO3)3(s) = Au(s) + NO2(g) + O2(g) =>
2 Au(NO3)3(s) = 2 Au(s) + 6 NO2(g) + 3 O2(g)
H2O + K2Cr2O7 + C2H5OH = Cr(OH)3 + CH3COOH + K(OH) =>
5 H2O + 2 K2Cr2O7 + 3 C2H5OH = 4 Cr(OH)3 + 3 CH3COOH + 4 K(OH)
BeCl2 + FePO4 = FeCl3 + Be3(PO4)2 =>
3 BeCl2 + 2 FePO4 = 2 FeCl3 + Be3(PO4)2
Fe(s) + O2(g) = FeO =>
2 Fe(s) + O2(g) = 2 FeO
Cs3PO4 + CaCl2 = Ca3(PO4)2 + CsCl =>
2 Cs3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 CsCl
Sn(s) + FeSO4(aq) = SnSO4(aq) + Fe(s) =>
Sn(s) + FeSO4(aq) = SnSO4(aq) + Fe(s)
(CH3COO)3Al + H2O = CH3COOH + Al(OH)3 =>
(CH3COO)3Al + 3 H2O = 3 CH3COOH + Al(OH)3
KNO3 + H2SO4 + C4H6(OH)4 = KHSO4 + H2O + C4H6(NO3)4 =>
4 KNO3 + 4 H2SO4 + C4H6(OH)4 = 4 KHSO4 + 4 H2O + C4H6(NO3)4
Na3P + MgBr2 = Mg3P2 + NaBr =>
2 Na3P + 3 MgBr2 = Mg3P2 + 6 NaBr
AgCl + NaNO3 = AgNaClNO3 =>
AgCl + NaNO3 = AgNaClNO3
C4H8 + HBr = C4H8HBr =>
C4H8 + HBr = C4H8HBr
Rb3N + Sn(NO2)4 = RbNO2 + Sn3N4 =>
4 Rb3N + 3 Sn(NO2)4 = 12 RbNO2 + Sn3N4
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