| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 N3H5 + 5 O2 = 6 N2 + 10 H2O
C3H7COOH + Ba(OH)2 = Ba{2+} + C3H7COO{-} + H2O =>
2 C3H7COOH + Ba(OH)2 = Ba{2+} + 2 C3H7COO{-} + 2 H2O
Na2[Pb(OH)4] + H2SO4 = Na2SO4 + PbSO4 + H2O =>
Na2[Pb(OH)4] + 2 H2SO4 = Na2SO4 + PbSO4 + 4 H2O
Cu(s) + HNO3(conc) = Cu(NO3)2(aq) + H2O(l) + NO(g) =>
3 Cu(s) + 8 HNO3(conc) = 3 Cu(NO3)2(aq) + 4 H2O(l) + 2 NO(g)
LiOH + NaPO4 = LiPO4 + NaOH =>
LiOH + NaPO4 = LiPO4 + NaOH
Na2SO4 + HCl = NaCl + H2SO4 =>
Na2SO4 + 2 HCl = 2 NaCl + H2SO4
A{-}T{-}C{-}G{-}A{-}A{-}T{-}T = A{-}T =>
A{-}T{-}C{-}G{-}A{-}A{-}T{-}T = A{-}T
Ca3(PO4)2 + Sn(CO3)2 = Sn(PO4)2 + Ca3(CO3)2 =>
Ca3(PO4)2 + Sn(CO3)2 = Sn(PO4)2 + Ca3(CO3)2
NaClO4 = NaCl + O2 =>
NaClO4 = NaCl + 2 O2
Cr(OH)3 + HCl = CrCl2 + H2O + Cl2 =>
2 Cr(OH)3 + 6 HCl = 2 CrCl2 + 6 H2O + Cl2
C50H100O40N + O2 = CO2 + H2O + NH4 =>
C50H100O40N + 54 O2 = 50 CO2 + 48 H2O + NH4
KI + H2SO4 + KMnO4 = I2 + MnSO4 + KSO4 + H2O =>
2 KI + 4 H2SO4 + KMnO4 = I2 + MnSO4 + 3 KSO4 + 4 H2O
H2S(g) + F2(g) = SF4(g) + HF(g) =>
H2S(g) + 3 F2(g) = SF4(g) + 2 HF(g)
H2SO4 + NaCl = H2SO4NaCl =>
H2SO4 + NaCl = H2SO4NaCl
NaOH + HNO3 = NaNO3 + HOH =>
NaOH + HNO3 = NaNO3 + HOH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
Na2CO3 + Zn + H2O = Na2[Zn(OH)4] + CO2 + H2 =>
Na2CO3 + Zn + 3 H2O = Na2[Zn(OH)4] + CO2 + H2
C(s)O2(g) = CO2(g) =>
C(s)O2(g) = CO2(g)
Cd(NO3)2 = Cd{+2} + NO3{-} =>
Cd(NO3)2 = Cd{+2} + 2 NO3{-}
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
NH4OH + NaClO = NaOH + NH4ClO =>
NH4OH + NaClO = NaOH + NH4ClO
CuCO3*Cu(OH)2 + HNO3 = Cu(NO3)2 + CO2 + H2O =>
CuCO3*Cu(OH)2 + 4 HNO3 = 2 Cu(NO3)2 + CO2 + 3 H2O
FeSO4 + KClO3 + H2SO4 = Fe2(SO4)3 + KCl + H2O =>
6 FeSO4 + KClO3 + 3 H2SO4 = 3 Fe2(SO4)3 + KCl + 3 H2O
LiCl + Cu3(PO4)2 = Li3PO4 + CuCl2 =>
6 LiCl + Cu3(PO4)2 = 2 Li3PO4 + 3 CuCl2
Cu2CO3(OH)2 = CO2 + CuO + H2O =>
Cu2CO3(OH)2 = CO2 + 2 CuO + H2O
[NH4]2Cr2O7 = N2 + Cr2O3 + H2O =>
[NH4]2Cr2O7 = N2 + Cr2O3 + 4 H2O
Na2SO4 + HCl = NaCl + H2SO4 =>
Na2SO4 + 2 HCl = 2 NaCl + H2SO4
Mn{+2} + OH{-} = MnO4{-2} + H2 =>
Mn{+2} + 4 OH{-} = MnO4{-2} + 2 H2
H2CO3 = H2CO2 + O =>
H2CO3 = H2CO2 + O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Mn{+2} + OH{-} = MnO4{-2} + H2 =>
Mn{+2} + 4 OH{-} = MnO4{-2} + 2 H2
K2CO3 + HNO3 = KNO3 + H2O + CO2 =>
K2CO3 + 2 HNO3 = 2 KNO3 + H2O + CO2
MgCl2(aq) + Na2CO3(aq) = MgCO3(s) + NaCl(aq) =>
MgCl2(aq) + Na2CO3(aq) = MgCO3(s) + 2 NaCl(aq)
NH4Cl + AgCH3COO = NH4Ag + ClCH3COO =>
NH4Cl + AgCH3COO = NH4Ag + ClCH3COO
Fe(OH)3 + H2SO4 = Fe(HSO4)3 + H2O =>
Fe(OH)3 + 3 H2SO4 = Fe(HSO4)3 + 3 H2O
Sr(OH)2 + MgSO4 = SrSO4 + Mg(OH)2 =>
Sr(OH)2 + MgSO4 = SrSO4 + Mg(OH)2
Cr + KClO3 + KOH = K2CrO4 + KCl + H2O =>
Cr + KClO3 + 2 KOH = K2CrO4 + KCl + H2O
C2H5OH + HNO2 = C4H12NO2 + H2 + O2 =>
4 C2H5OH + 2 HNO2 = 2 C4H12NO2 + H2 + 2 O2
Na2SO3 + I2 + H2O = NaHSO4 + NaI + HI =>
Na2SO3 + I2 + H2O = NaHSO4 + NaI + HI
Na2SiO3HNO3 = Na2NO3SiO3H =>
Na2SiO3HNO3 = Na2NO3SiO3H
H2SO3 + Ca(OH)2 = CaSO3 + H2O =>
H2SO3 + Ca(OH)2 = CaSO3 + 2 H2O
Pb(C2H3O2)2 + K2(CrO4) = Pb(CrO4) + KC2H3O2 =>
Pb(C2H3O2)2 + K2(CrO4) = Pb(CrO4) + 2 KC2H3O2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
K + OH + HCl = KCl + H2O =>
K + OH + HCl = KCl + H2O
H2SO4 + KMnO4 + Sb = K2SO4 + MnSO4 + H2O + Sb2O3 =>
9 H2SO4 + 6 KMnO4 + 10 Sb = 3 K2SO4 + 6 MnSO4 + 9 H2O + 5 Sb2O3
Zn + P2 = Zn3P2 =>
3 Zn + P2 = Zn3P2
Ba + CO2 = BaCO3 + C =>
2 Ba + 3 CO2 = 2 BaCO3 + C
Al2(NO3)3 + H2O = Al(OH)3 + H2(NO3) =>
Al2(NO3)3 + 6 H2O = 2 Al(OH)3 + 3 H2(NO3)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/21/24
Équations équilibrées sur01/20/24
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