| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H + PO = H2PO
S{2-} + NO3 = SO4{2-} + NO =>
S{2-} + 2 NO3 = SO4{2-} + 2 NO
C17H19NO3 + HCl = HC17H19NO3 + Cl =>
C17H19NO3 + HCl = HC17H19NO3 + Cl
BaCl2 + CH3COOAg = Ba(CH3COO)2 + AgCl =>
BaCl2 + 2 CH3COOAg = Ba(CH3COO)2 + 2 AgCl
C15H28O3 + O2 = H2O + CO2 =>
2 C15H28O3 + 41 O2 = 28 H2O + 30 CO2
CH3NH2 + Na2SO4 = NH3 + C2H2 + NaOH + CS2 + H2O =>
11 CH3NH2 + 2 Na2SO4 = 11 NH3 + 5 C2H2 + 4 NaOH + CS2 + 4 H2O
BaCl2 + CH3COOAg = Ba(CH3COO)2 + AgCl =>
BaCl2 + 2 CH3COOAg = Ba(CH3COO)2 + 2 AgCl
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
Na(aq) + Cl2(aq) = NaCl(s) =>
2 Na(aq) + Cl2(aq) = 2 NaCl(s)
H2SO4 + Ga(OH)3 = Ga2(SO4)3 + H2O =>
3 H2SO4 + 2 Ga(OH)3 = Ga2(SO4)3 + 6 H2O
SiH4 + Cl2 = SiCl4 + HCl =>
SiH4 + 4 Cl2 = SiCl4 + 4 HCl
MgSO4 + BaCl2 = BaSO4 + MgCl2 =>
MgSO4 + BaCl2 = BaSO4 + MgCl2
KNO3 + C2 = K2CO3 + CO + N2 =>
2 KNO3 + 2 C2 = K2CO3 + 3 CO + N2
Al(s) + Br2(s) = AlBr2(s) =>
Al(s) + Br2(s) = AlBr2(s)
CH3OH + KMnO4 = HCOOH + H2O + MnO + K2O = =>
5 CH3OH + 4 KMnO4 = 5 HCOOH + 5 H2O + 4 MnO + 2 K2O
ZnPb(NO3)2 = Zn(NO3)2 + Pb =>
ZnPb(NO3)2 = Zn(NO3)2 + Pb
Fe2O3 + NaCl = Fe2Cl + NaO3 =>
Fe2O3 + NaCl = Fe2Cl + NaO3
MgCl2 + Na2CO3 + H2O = Mg(OH)2*3MgCO3 + NaCl + Mg(HCO3)2 =>
5 MgCl2 + 5 Na2CO3 + 2 H2O = Mg(OH)2*3MgCO3 + 10 NaCl + Mg(HCO3)2
Mg + Fe2(SO4)3 = Mg2(SO4)3 + Fe =>
2 Mg + Fe2(SO4)3 = Mg2(SO4)3 + 2 Fe
C10H80 + O2 = CO2 + H2O =>
C10H80 + 30 O2 = 10 CO2 + 40 H2O
HI(aq) + Ba(OH)2(aq) = H2(OH)2(aq) + I2Ba(aq) =>
2 HI(aq) + Ba(OH)2(aq) = H2(OH)2(aq) + I2Ba(aq)
Fe(NO2)2 + NH4OH = Fe(OH)2 + NH4(NO2) =>
Fe(NO2)2 + 2 NH4OH = Fe(OH)2 + 2 NH4(NO2)
H{+} + MnO4{-} + Cr{2+} = Mn{2+} + Cr{3+} + H2O =>
8 H{+} + MnO4{-} + 5 Cr{2+} = Mn{2+} + 5 Cr{3+} + 4 H2O
Zn(s) + Cl2(g) = ZnCl2(s) =>
Zn(s) + Cl2(g) = ZnCl2(s)
Bi(OH)5 + H2C2O4 = H2O + Bi2(C2O4)5 =>
2 Bi(OH)5 + 5 H2C2O4 = 10 H2O + Bi2(C2O4)5
H2O + S2 = H2S + H2SO2 =>
2 H2O + S2 = H2S + H2SO2
Zn + NaOH + Na2CrO4 = Na2ZnO2 + NaCrO2 + H2O =>
3 Zn + 4 NaOH + 2 Na2CrO4 = 3 Na2ZnO2 + 2 NaCrO2 + 2 H2O
XeO3 + MnSO4 + KOH + H2O = Xe + KMnO4 + H2SO4 =>
5 XeO3 + 6 MnSO4 + 6 KOH + 3 H2O = 5 Xe + 6 KMnO4 + 6 H2SO4
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
Na2SO4 + Co(Na3)2 = Na2(Na3)2 + SO4Co =>
Na2SO4 + Co(Na3)2 = Na2(Na3)2 + SO4Co
BeCl2 + KOH = Be(OH)2 + KCl =>
BeCl2 + 2 KOH = Be(OH)2 + 2 KCl
PbSO4(aq) + Al(OH)3(s) = Pb(OH)2(aq) + Al2(SO4)3(s) =>
3 PbSO4(aq) + 2 Al(OH)3(s) = 3 Pb(OH)2(aq) + Al2(SO4)3(s)
C4H8O + NaI = IH + NaOH + C4H6 =>
C4H8O + NaI = IH + NaOH + C4H6
NaF + NH3 = NaH + NF3 =>
3 NaF + NH3 = 3 NaH + NF3
[Cr(N2H4CO)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + K2SO4 + CO2 + KNO3 + H2O =>
10[Cr(N2H4CO)6]4[Cr(CN)6]3 + 1176 KMnO4 + 1399 H2SO4 = 35 K2Cr2O7 + 1176 MnSO4 + 223 K2SO4 + 420 CO2 + 660 KNO3 + 1879 H2O
C12H34 + O2 = CO2 + H2O =>
2 C12H34 + 41 O2 = 24 CO2 + 34 H2O
AgI + K2Cr2O7 = AgCr2O7 + K2I =>
AgI + K2Cr2O7 = AgCr2O7 + K2I
MgO + HBr = Mg(OH)Br =>
MgO + HBr = Mg(OH)Br
K + HOH = K{+} + OH{-} + H2 =>
2 K + 2 HOH = 2 K{+} + 2 OH{-} + H2
Na2SO3 + K2CrO4 + H2SO4 = Na2SO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 Na2SO3 + 2 K2CrO4 + 5 H2SO4 = 3 Na2SO4 + 2 K2SO4 + Cr2(SO4)3 + 5 H2O
AgNO3 + H2(SO4) = Ag2(SO4) + H(NO3) =>
2 AgNO3 + H2(SO4) = Ag2(SO4) + 2 H(NO3)
Bi + [NO3]{-} + H{+} = Bi3{+} + NO + H2O =>
9 Bi + [NO3]{-} + 4 H{+} = 3 Bi3{+} + NO + 2 H2O
SiO3 + H2O = H2SiO3 + OH =>
SiO3 + 2 H2O = H2SiO3 + 2 OH
MnCl2 + KClO3 + KOH = KCl + KMnO4 + H2O =>
6 MnCl2 + 5 KClO3 + 18 KOH = 17 KCl + 6 KMnO4 + 9 H2O
H2SnO3 + Ru(OH)3 = Ru(HSnO3)3 + H2O =>
3 H2SnO3 + Ru(OH)3 = Ru(HSnO3)3 + 3 H2O
AgCl + Br2 = AgClBr2 =>
AgCl + Br2 = AgClBr2
FeS(s) + O2(g) + H2O(l) = Fe2O3(s) + H2SO4 =>
4 FeS(s) + 9 O2(g) + 4 H2O(l) = 2 Fe2O3(s) + 4 H2SO4
XZn + HNO3 = XZn(NO3)2 + NH4NO3 + H2O =>
4 XZn + 10 HNO3 = 4 XZn(NO3)2 + NH4NO3 + 3 H2O
Zn + CO2 = CO + ZnO =>
Zn + CO2 = CO + ZnO
CH4 + I2 = CH3I + HI =>
CH4 + I2 = CH3I + HI
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Équations équilibrées sur11/22/24
Équations équilibrées sur12/22/23
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