| Équations équilibrées la veille |
3 HNO3 + As = H3AsO4 + 2 NO2 + NO
AgNO3(aq) + HCl(aq) = HNO3(s) + AgCl(aq) =>
AgNO3(aq) + HCl(aq) = HNO3(s) + AgCl(aq)
Br2(l) + KI(aq) = I2(s) + KBr =>
Br2(l) + 2 KI(aq) = I2(s) + 2 KBr
K + Pb(NO3)2 = K(NO3)2 + Pb =>
K + Pb(NO3)2 = K(NO3)2 + Pb
Mg3N2 + H2O = Mg(OH)2(s) + NH3(aq) =>
Mg3N2 + 6 H2O = 3 Mg(OH)2(s) + 2 NH3(aq)
B2H6(l) + O2(g) = B2O3(s) + H2O(l) =>
B2H6(l) + 3 O2(g) = B2O3(s) + 3 H2O(l)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
BrO{-} + Ag{+} + OH{-} = BrO3{-} + Ag + H2O =>
BrO{-} + 4 Ag{+} + 4 OH{-} = BrO3{-} + 4 Ag + 2 H2O
Fe2S + O2 + H2O = Fe2O3 + H2SO4 =>
Fe2S + 3 O2 + H2O = Fe2O3 + H2SO4
CH3COOH + CO3 = CH3COO + HCO3 =>
CH3COOH + CO3 = CH3COO + HCO3
KMnO4 + KI + H2SO4 = K2SO4 + I2 + MnSO4 + H2O =>
2 KMnO4 + 10 KI + 8 H2SO4 = 6 K2SO4 + 5 I2 + 2 MnSO4 + 8 H2O
PB + H2O = PB(OH)2 + H2 =>
PB + 2 H2O = PB(OH)2 + H2
KOH + Li = K + LiOH =>
KOH + Li = K + LiOH
Sn(OH)4 = SnO2 + HOH =>
Sn(OH)4 = SnO2 + 2 HOH
HNO3 + Ag2O + HCl = H2NO3 + Ag2OCl =>
HNO3 + Ag2O + HCl = H2NO3 + Ag2OCl
K + HClO4 = H2 + KClO4 =>
2 K + 2 HClO4 = H2 + 2 KClO4
NaClO3 = NaCl + NaClO4 =>
4 NaClO3 = NaCl + 3 NaClO4
H2O + CaO = Ca(OH)2 =>
H2O + CaO = Ca(OH)2
HNO2 + SrCO3 = Sr(NO2)2 + H2O + CO2 =>
2 HNO2 + SrCO3 = Sr(NO2)2 + H2O + CO2
KHSO4 + H2O = H2SO4 + KOH(l) =>
KHSO4 + H2O = H2SO4 + KOH(l)
(CH3)2NH + CH3Cl = (CH3)3N + NH4Cl =>
4(CH3)2NH + CH3Cl = 3(CH3)3N + NH4Cl
NiSO4 + H2O = O2 + Ni + H2SO4 =>
2 NiSO4 + 2 H2O = O2 + 2 Ni + 2 H2SO4
Sodiumcarbonate + hydrogenchloride = sodiumchloride + carbondioxide + water =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
H2O + AgO = Ag2O + OH =>
H2O + 2 AgO = Ag2O + 2 OH
Ag + Zn = AgZn =>
Ag + Zn = AgZn
SrCl2 + NaOH = Sr(OH)2 + NaCl =>
SrCl2 + 2 NaOH = Sr(OH)2 + 2 NaCl
Na3SiO3 + Al(ClO4)3 = NaClO4 + AlSiO3 =>
Na3SiO3 + Al(ClO4)3 = 3 NaClO4 + AlSiO3
NaCO3 = Na + CO3 =>
NaCO3 = Na + CO3
H2SO4 + Ca(OH)2 = CaSO4(aq) + H2O(l) =>
H2SO4 + Ca(OH)2 = CaSO4(aq) + 2 H2O(l)
MgSO4*7H2O + CaCl2*2H2O = CaSO4 + MgCl2 + H2O =>
MgSO4*7H2O + CaCl2*2H2O = CaSO4 + MgCl2 + 9 H2O
CrO4{2-} + Fe(OH)2 + H2O = Cr2O3 + Fe(OH)3 + OH{-} =>
2 CrO4{2-} + 6 Fe(OH)2 + 5 H2O = Cr2O3 + 6 Fe(OH)3 + 4 OH{-}
Cl2(aq) + KI(s) = KCl(aq) + I2(s) =>
Cl2(aq) + 2 KI(s) = 2 KCl(aq) + I2(s)
NH2CONH2 = NH3 + CO2 + C3H6N6 =>
6 NH2CONH2 = 6 NH3 + 3 CO2 + C3H6N6
S8O2 + O2 = SO3 =>
S8O2 + 11 O2 = 8 SO3
CH3C(CH3)C(CH3)CH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
3 CH3C(CH3)C(CH3)CH3 + 2 KMnO4 + 4 H2O = 3(CH3)2C(OH)C(OH)(CH3)2 + 2 MnO2 + 2 KOH
H3AgO4 + Zn + HCl = AgH3 + ZnCl2 + H2O =>
H3AgO4 + 4 Zn + 8 HCl = AgH3 + 4 ZnCl2 + 4 H2O
Na3PO4 + ZnSO4 = Na2SO4 + Zn3(PO4)2 =>
2 Na3PO4 + 3 ZnSO4 = 3 Na2SO4 + Zn3(PO4)2
Bi + Cl2 = BiCl =>
2 Bi + Cl2 = 2 BiCl
(NH4)6W12O39 + InPO4 + (NH4)2HPO4 = W2InP3O15 + H2O + NH3 =>
(NH4)6W12O39 + 6 InPO4 + 12(NH4)2HPO4 = 6 W2InP3O15 + 21 H2O + 30 NH3
PbCO3(s) + HNO3(aq) = Pb(NO3)2(aq) + H2O(l) + CO2(g) =>
PbCO3(s) + 2 HNO3(aq) = Pb(NO3)2(aq) + H2O(l) + CO2(g)
Ba(NO3)2(aq) + KSCN(aq) = Ba(SCN)2(aq) + KNO3(aq) =>
Ba(NO3)2(aq) + 2 KSCN(aq) = Ba(SCN)2(aq) + 2 KNO3(aq)
Pb(ClO3)2 + NaI = Na2(ClO3)2 + PbI2 =>
Pb(ClO3)2 + 2 NaI = Na2(ClO3)2 + PbI2
KNO2 + KMnO4 + H2SO4 = MnSO4 + KNO3 + K2SO4 + H2O =>
5 KNO2 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 5 KNO3 + K2SO4 + 3 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
U3O8 + HNO3 + H2O = [UO2(NO3)2*6H2O] + NO2 =>
U3O8 + 8 HNO3 + 14 H2O = 3[UO2(NO3)2*6H2O] + 2 NO2
NH3 + I2 = NH3I2 =>
NH3 + I2 = NH3I2
Pb{2+}(aq) + S{2-} = PbS(s) =>
Pb{2+}(aq) + S{2-} = PbS(s)
sodiumoxide + Water = Sodiumhydroxide =>
Na2O + H2O = 2 NaOH
Fe2(SO4)3 + Na2S = Fe2S3 + Na2SO4 =>
Fe2(SO4)3 + 3 Na2S = Fe2S3 + 3 Na2SO4
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Équations équilibrées sur01/08/25
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