| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mg + 2 HCI = Mg(HCI)2
Cr + HNO3 = Cr(NO3)4 + NO + H2O =>
3 Cr + 16 HNO3 = 3 Cr(NO3)4 + 4 NO + 8 H2O
H3BO3(s) = H4B4O8(s) + H2O(i) =>
4 H3BO3(s) = H4B4O8(s) + 4 H2O(i)
MnO4{-} + (COO)2{2-} + H{+} = Mn2{+} + CO2 + H2O =>
4 MnO4{-} + 13(COO)2{2-} + 32 H{+} = 2 Mn2{+} + 26 CO2 + 16 H2O
He + Cl = HeCl2 =>
He + 2 Cl = HeCl2
KI + H3PO4 + CH3OH = CH3I + KH2PO4 + H2O =>
KI + H3PO4 + CH3OH = CH3I + KH2PO4 + H2O
CuS + NaCl = CuCl2 + Na2S =>
CuS + 2 NaCl = CuCl2 + Na2S
K2Cr2O7 + HI + H2SO4 = K2SO4 + Cr2(SO2)3 + I2 + H2O =>
K2Cr2O7 + 18 HI + 4 H2SO4 = K2SO4 + Cr2(SO2)3 + 9 I2 + 13 H2O
CaCO3(s) + HCl = CaCl2(aq) + CO2(g) + H2O =>
CaCO3(s) + 2 HCl = CaCl2(aq) + CO2(g) + H2O
NaCl + (CuSO4)2 = CuCl + Na(SO4) =>
2 NaCl + (CuSO4)2 = 2 CuCl + 2 Na(SO4)
Al2(SO4)3 + Mg + H2O = Mg2(SO4)3 + Al(OH)3 + H2 =>
Al2(SO4)3 + 2 Mg + 6 H2O = Mg2(SO4)3 + 2 Al(OH)3 + 3 H2
MgNO3 + NaOH = NO3Na + MgOH =>
MgNO3 + NaOH = NO3Na + MgOH
Ni(CN)2 + H3O{+} = H2O + HCN + Ni{2+} =>
Ni(CN)2 + 2 H3O{+} = 2 H2O + 2 HCN + Ni{2+}
NaNo3 + H2S = Na2S + HNo3 =>
2 NaNo3 + H2S = Na2S + 2 HNo3
SrCl2 + Na2SO4 = Na2Cl2 + SrSO4 =>
SrCl2 + Na2SO4 = Na2Cl2 + SrSO4
NH4Cl + Na2SiO3 = NaCl + NH3 + H2SiO3 =>
2 NH4Cl + Na2SiO3 = 2 NaCl + 2 NH3 + H2SiO3
Na2SiO3 + H2S = Na2S + H2SiO3 =>
Na2SiO3 + H2S = Na2S + H2SiO3
N(H)4Cl + K(NO)3 = KN(H)4 + Cl(NO)3 =>
N(H)4Cl + K(NO)3 = KN(H)4 + Cl(NO)3
FeBr2 + O2 = FeO + Br2 =>
2 FeBr2 + O2 = 2 FeO + 2 Br2
Ni2O3 + NaOH = Ni2OH + Na2O + O2 =>
4 Ni2O3 + 4 NaOH = 4 Ni2OH + 2 Na2O + 5 O2
NaHSO3 + HSO4 = SO2 + H2O + Na2SO4 =>
6 NaHSO3 + 2 HSO4 = 5 SO2 + 4 H2O + 3 Na2SO4
MnO2 + NO2 + H{+} = Mn{2+} + NO3 + H2O =>
MnO2 + NO2 + 2 H{+} = Mn{2+} + NO3 + H2O
CH3COOH + (OH)3 = (CH3COO)3 + H2O =>
3 CH3COOH + (OH)3 = (CH3COO)3 + 3 H2O
FeS2 + NaOH + O2 = Fe(OH)2 + Na2SO4 + H2O =>
2 FeS2 + 8 NaOH + 7 O2 = 2 Fe(OH)2 + 4 Na2SO4 + 2 H2O
KMnO4 + KBr + HNO3 = Br2 + KNO3 + H2O + Mn(NO3)2 =>
2 KMnO4 + 10 KBr + 16 HNO3 = 5 Br2 + 12 KNO3 + 8 H2O + 2 Mn(NO3)2
KAl(SO4)2 + KOH = KAl(OH)4 + K2(SO4) =>
KAl(SO4)2 + 4 KOH = KAl(OH)4 + 2 K2(SO4)
HPO + NaOH = NaPO + H2O =>
HPO + NaOH = NaPO + H2O
NaSH = Na2S + H2S =>
2 NaSH = Na2S + H2S
C5H8O2 + NaH + HCl = C5HH12O2 + NaCl =>
2 C5H8O2 + 5 NaH + 5 HCl = 2 C5HH12O2 + 5 NaCl
MnO2 + KL = K2O + MnL4 =>
MnO2 + 4 KL = 2 K2O + MnL4
Pb(HSO3)2 + HNO3 = Pb(NO3)2 + H2O + SO2 =>
Pb(HSO3)2 + 2 HNO3 = Pb(NO3)2 + 2 H2O + 2 SO2
NaOH + BaCl2 = Ba(OH)2(s) + NaCl(aq) =>
2 NaOH + BaCl2 = Ba(OH)2(s) + 2 NaCl(aq)
CaCl2 + SiO2 + H2O = Ca3SiO5 + HCl =>
3 CaCl2 + SiO2 + 3 H2O = Ca3SiO5 + 6 HCl
(NH4)2CO3 + H2O + Co{2+} = Co2(OH)2CO3 + NH3 + H{+} =>
(NH4)2CO3 + 2 H2O + 2 Co{2+} = Co2(OH)2CO3 + 2 NH3 + 4 H{+}
KNO3 + C12H22O11 = CO2 + H2O + K2CO3 + N2 =>
48 KNO3 + 5 C12H22O11 = 36 CO2 + 55 H2O + 24 K2CO3 + 24 N2
Cu1 + O2 = Cu2O =>
4 Cu1 + O2 = 2 Cu2O
H2CO3 + CaO = CaCO3 + H2O =>
H2CO3 + CaO = CaCO3 + H2O
S4{-2} + e = S{-6} =>
S4{-2} + 22e = 4 S{-6}
SrBr2 + (NH4)2CO3 = SrCO3 + (NH4)Br =>
SrBr2 + (NH4)2CO3 = SrCO3 + 2(NH4)Br
Na3Al(OH)6 + CO2 = Al(OH)3 + Na2CO3 + H2O =>
2 Na3Al(OH)6 + 3 CO2 = 2 Al(OH)3 + 3 Na2CO3 + 3 H2O
C5H13 + O2 = CO2 + H2O =>
4 C5H13 + 33 O2 = 20 CO2 + 26 H2O
NaOH + HCl(aq) = NaCl(aq) + H2O(l) =>
NaOH + HCl(aq) = NaCl(aq) + H2O(l)
K2(CrO4) + Mn(NO3)2 = K2(NO3)2 + Mn(CrO4) =>
K2(CrO4) + Mn(NO3)2 = K2(NO3)2 + Mn(CrO4)
C300H302O2 + NH4ClO4 = CO2 + HCl + H2O + N2 =>
5 C300H302O2 + 1498 NH4ClO4 = 1500 CO2 + 1498 HCl + 3002 H2O + 749 N2
NH3 + Pb(C2H3O2)2 = N(C2H3O2)3 + PbH2 =>
2 NH3 + 3 Pb(C2H3O2)2 = 2 N(C2H3O2)3 + 3 PbH2
HCl + K2Cr2O7 = KCl + CrCl3 + Cl22 + H2O =>
154 HCl + 11 K2Cr2O7 = 22 KCl + 22 CrCl3 + 3 Cl22 + 77 H2O
Cu(NO3)2 + K3PO4 = K2Cu + PO4(NO3)3 =>
3 Cu(NO3)2 + 2 K3PO4 = 3 K2Cu + 2 PO4(NO3)3
HCOOH + CH3OH = HCO2CH3 + H2O =>
HCOOH + CH3OH = HCO2CH3 + H2O
BeO + Ba(OH)2 = Be(OH)2 + BaO =>
BeO + Ba(OH)2 = Be(OH)2 + BaO
KClO4 + Fe = KCl + FeO =>
KClO4 + 4 Fe = KCl + 4 FeO
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/23/25
Équations équilibrées sur02/22/24
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