| Équations équilibrées la veille |
Hg2S = 2 Hg + S
Se = Se2 =>
2 Se = Se2
Mg + NaCl = MgNaCl =>
Mg + NaCl = MgNaCl
C3H18(l) + O2(g) = CO2(g) + H2O(l) =>
2 C3H18(l) + 15 O2(g) = 6 CO2(g) + 18 H2O(l)
Pb{+} + Cl2{-} = PbCl2 =>
Pb{+} + Cl2{-} = PbCl2
He + Na = Na2He =>
He + 2 Na = Na2He
AlCl3 + KMnO4 + KHSO4 = Al2(SO4)3 + K2SO4 + MnSO4 + Cl2 + H2O =>
10 AlCl3 + 6 KMnO4 + 48 KHSO4 = 5 Al2(SO4)3 + 27 K2SO4 + 6 MnSO4 + 15 Cl2 + 24 H2O
NO3{-} + CH3OH = N2 + CO2 + H2O + OH({-}) =>
6 NO3{-} + 5 CH3OH = 3 N2 + 5 CO2 + 7 H2O + 6 OH({-})
AsO3 + C2 = CO2 + As =>
4 AsO3 + 3 C2 = 6 CO2 + 4 As
I{-} + PbO2 + H{+} = I2 + Pb + H2O =>
4 I{-} + PbO2 + 4 H{+} = 2 I2 + Pb + 2 H2O
H3PO4 + Ag = H3 + AgPO4 =>
H3PO4 + Ag = H3 + AgPO4
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
Ag2CO3 = CO2 + Ag + O2 =>
2 Ag2CO3 = 2 CO2 + 4 Ag + O2
NiSO4 + NaOH + NaClO = NiO2 + HCl + Na2SO4 =>
NiSO4 + NaOH + NaClO = NiO2 + HCl + Na2SO4
FeCl3 + HOH = Fe(OH)Cl2 + H + Cl =>
FeCl3 + HOH = Fe(OH)Cl2 + H + Cl
Pb(No3)2(aq) + KSCN(aq) = PbK2(s) + SCNNo3(aq) =>
Pb(No3)2(aq) + 2 KSCN(aq) = PbK2(s) + 2 SCNNo3(aq)
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Cr2O7{-2} + I{-} + H{+} = Cr3{+3} + I2 + H2O =>
3 Cr2O7{-2} + 30 I{-} + 42 H{+} = 2 Cr3{+3} + 15 I2 + 21 H2O
BaNO3(aq) + NaCO3(aq) = BaCO3(s) + NaNO3(aq) =>
BaNO3(aq) + NaCO3(aq) = BaCO3(s) + NaNO3(aq)
H3Po4(aq) + KOH(aq) = H2O(l) + K3Po4(aq) =>
H3Po4(aq) + 3 KOH(aq) = 3 H2O(l) + K3Po4(aq)
Ca(IO3)2 = Ca + (IO3)2 =>
Ca(IO3)2 = Ca + (IO3)2
Fe(NO3)2 + AgNO3 = FeNO3 + Ag(NO3)2 =>
Fe(NO3)2 + AgNO3 = FeNO3 + Ag(NO3)2
Zn(OH)2 + OH{-} = Zn(OH)4{2-} =>
Zn(OH)2 + 2 OH{-} = Zn(OH)4{2-}
Zn(s) + Pb2(No3)(aq) = Zn(No3)(aq) + Pb =>
Zn(s) + Pb2(No3)(aq) = Zn(No3)(aq) + 2 Pb
Na2CO3(aq) + CaCl2(aq) = CaCO3(k) + NaCl(aq) =>
Na2CO3(aq) + CaCl2(aq) = CaCO3(k) + 2 NaCl(aq)
NH4Cl + AlCl3 = NH4Cl3 + AlCl =>
NH4Cl + AlCl3 = NH4Cl3 + AlCl
K2SO4 + H3PO4 = KHPO4 + H2SO4 + H2 =>
K2SO4 + 2 H3PO4 = 2 KHPO4 + H2SO4 + H2
Cu{+} + Cd{2+} = Cu{2+} + Cd =>
2 Cu{+} + Cd{2+} = 2 Cu{2+} + Cd
C2H60 + K2Cr2O7 + HCl = C2H2O2 + CrCl + H2O + KCl =>
5 C2H60 + 31 K2Cr2O7 + 124 HCl = 5 C2H2O2 + 62 CrCl + 207 H2O + 62 KCl
KI + KNO2 + H2SO4 = I2 + NOK2SO4 + H2O =>
2 KI + 2 KNO2 + 2 H2SO4 = I2 + 2 NOK2SO4 + 2 H2O
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
Cd + Cl = Cd(Cl)2 =>
Cd + 2 Cl = Cd(Cl)2
KIO3(s) = KI(s) + O2(g) =>
2 KIO3(s) = 2 KI(s) + 3 O2(g)
K2ZnO2 + HNO3 = KNO3 + Zn(NO3)2 + H2O =>
K2ZnO2 + 4 HNO3 = 2 KNO3 + Zn(NO3)2 + 2 H2O
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
Ba(s) + H2SO4(aq) = BaSO4(aq) + SO2(g) + H2O =>
Ba(s) + 2 H2SO4(aq) = BaSO4(aq) + SO2(g) + 2 H2O
HI + NaClO3 = I2 + NaCl + H2O =>
6 HI + NaClO3 = 3 I2 + NaCl + 3 H2O
H2SO3 + I3{-} = HI + SO2 + SO4{2-} + O2 =>
6 H2SO3 + 4 I3{-} = 12 HI + 4 SO2 + 2 SO4{2-} + O2
V2O5 + C2H2O4 = VO2 + CO2 + H2O =>
V2O5 + C2H2O4 = 2 VO2 + 2 CO2 + H2O
LiOH + HNO3 = NLiO3 + H2O =>
LiOH + HNO3 = NLiO3 + H2O
Al + HCl = H2AlCl2 =>
Al + 2 HCl = H2AlCl2
Na2HPO4 + Mg(NO3)2 = MgHPO4 + NaNO3 =>
Na2HPO4 + Mg(NO3)2 = MgHPO4 + 2 NaNO3
KHCO3 + HNO2 = CO2 + H2O + KNO2 =>
KHCO3 + HNO2 = CO2 + H2O + KNO2
C3H7COOH + [Ag(NH3)2]OH = Ag + CO2 + H2O + NH3 =>
C3H7COOH + 20[Ag(NH3)2]OH = 20 Ag + 4 CO2 + 14 H2O + 40 NH3
NH3(g) + O2(g) = NO(g) + H2O =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O
NaClO + KBr = NaBr + KCl + O2 =>
2 NaClO + 2 KBr = 2 NaBr + 2 KCl + O2
H2O2 + Cr2Cl3 + KOH = K2CrO4 + KCl + H2O =>
9 H2O2 + 2 Cr2Cl3 + 14 KOH = 4 K2CrO4 + 6 KCl + 16 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Mg(s) + O2(s) = Mg2O3(s) =>
4 Mg(s) + 3 O2(s) = 2 Mg2O3(s)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
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Équations équilibrées sur11/13/24
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