| Équations équilibrées la veille | Équations équilibrées le lendemain |
NH4OH + HCl = NH4Cl + H2O
FeCl3(aq) + NaOH(aq) = Fe(OH)3(s) + NaCl(s) =>
FeCl3(aq) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(s)
CH2(NH2)COOH + O2 = NH3 + CO2 + H2O =>
2 CH2(NH2)COOH + 3 O2 = 2 NH3 + 4 CO2 + 2 H2O
H2O + Cl{-} = H2 + OH{-} + Cl2 =>
2 H2O + 2 Cl{-} = H2 + 2 OH{-} + Cl2
HCOOC6H5OH + NaOH = HCOONa + C6H5ONa + H2O =>
16 HCOOC6H5OH + 37 NaOH = 22 HCOONa + 15 C6H5ONa + 26 H2O
NH3 + AgI = Ag(NH3)2 + I2 =>
4 NH3 + 2 AgI = 2 Ag(NH3)2 + I2
Na2PbO2 + HCl = NaCl + Pb(OH)2 =>
Na2PbO2 + 2 HCl = 2 NaCl + Pb(OH)2
N4Fe(CN)2 + K(MnO4) + H2SO4 = K2(SO4) + Mn(SO4) + Fe2(SO4)3 + CO2 + N2 + H2O =>
10 N4Fe(CN)2 + 22 K(MnO4) + 48 H2SO4 = 11 K2(SO4) + 22 Mn(SO4) + 5 Fe2(SO4)3 + 20 CO2 + 30 N2 + 48 H2O
Br2 + Na2S203 + NaOH = NaBr + Na2SO4 + H2O =>
610 Br2 + Na2S203 + 1624 NaOH = 1220 NaBr + 203 Na2SO4 + 812 H2O
AlO + Cl = AlCl + O2 =>
2 AlO + 2 Cl = 2 AlCl + O2
CH3{-}CH2{-}CH2{-}CH3 = CH3{-}CH{-}CH3{-}CH3 =>
CH3{-}CH2{-}CH2{-}CH3 = CH3{-}CH{-}CH3{-}CH3
K(s) + Br2(s) = KBr(s) =>
2 K(s) + Br2(s) = 2 KBr(s)
Ca + HF = HFCa =>
Ca + HF = HFCa
SO2 + CO = CO2 + S =>
SO2 + 2 CO = 2 CO2 + S
KOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(s) + KNO3(aq) =>
3 KOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(s) + 3 KNO3(aq)
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Ca(NO3)2 + KHCO3 = Ca(HCO3)2 + KNO3 =>
Ca(NO3)2 + 2 KHCO3 = Ca(HCO3)2 + 2 KNO3
(NH4)2SO4 + (NH4)3PO4 = (NH4)3SO4 + (NH4)2PO4 =>
(NH4)2SO4 + (NH4)3PO4 = (NH4)3SO4 + (NH4)2PO4
K2Cr2O7 + CH3CH2OH + H2SO4 = CH3COCH3 + K2SO4 + Cr2(SO4)3 + H2O =>
2 K2Cr2O7 + 9 CH3CH2OH + 8 H2SO4 = 6 CH3COCH3 + 2 K2SO4 + 2 Cr2(SO4)3 + 17 H2O
K2O + P4O10 = K3PO4 =>
6 K2O + P4O10 = 4 K3PO4
MgCl2(aq) + Na2CO3(aq) = MgCO3(aq) + NaCl(s) =>
MgCl2(aq) + Na2CO3(aq) = MgCO3(aq) + 2 NaCl(s)
Sr(OH)2 + ClO4H = Sr(ClO4)2 + H2O =>
Sr(OH)2 + 2 ClO4H = Sr(ClO4)2 + 2 H2O
AgNO3(aq) + Al3(SO4)3(aq) = Al3(NO3)(s) + Ag(SO4)3 =>
AgNO3(aq) + Al3(SO4)3(aq) = Al3(NO3)(s) + Ag(SO4)3
H2(g) + CuCl2(aq) = Cu(s) + H2Cl2(aq) =>
H2(g) + CuCl2(aq) = Cu(s) + H2Cl2(aq)
CO3 + HCN = H2CO3 + CN =>
CO3 + 2 HCN = H2CO3 + 2 CN
HSO3Cl + NH3 = NH4Cl + SO3 =>
HSO3Cl + NH3 = NH4Cl + SO3
H2SO4 + Ca(CH3COO)2 = CH3COOH + CaSO4 =>
H2SO4 + Ca(CH3COO)2 = 2 CH3COOH + CaSO4
FeCl3 + (NH4)3PO4 = FePO4 + (NH4)3Cl3 =>
FeCl3 + (NH4)3PO4 = FePO4 + (NH4)3Cl3
C5H12O + C2H2O2 = C7H14O2 + H2O =>
17 C5H12O + 10 C2H2O2 = 15 C7H14O2 + 7 H2O
Fe(ClO4)3 + H2SO4 = Fe2(SO4)3 + HClO4 =>
2 Fe(ClO4)3 + 3 H2SO4 = Fe2(SO4)3 + 6 HClO4
KSCN + FeCl3 + H2O = K2[Fe(H2O)(SCN)5] + KCl =>
5 KSCN + FeCl3 + H2O = K2[Fe(H2O)(SCN)5] + 3 KCl
Hg2Cl2(s) + NH3(aq) = Hg(l) + HgNH2Cl(s) + NH4Cl(aq) =>
Hg2Cl2(s) + 2 NH3(aq) = Hg(l) + HgNH2Cl(s) + NH4Cl(aq)
CuI + HNO3 = Cu(NO3)2 + H2O + I2 + NO2 =>
2 CuI + 8 HNO3 = 2 Cu(NO3)2 + 4 H2O + I2 + 4 NO2
KI + HCl = HI + KCl =>
KI + HCl = HI + KCl
HCl + F = H2F + Cl2 =>
2 HCl + F = H2F + Cl2
C3H8(g) + O2(g) = CO2 + H2O(l) =>
C3H8(g) + 5 O2(g) = 3 CO2 + 4 H2O(l)
KH2PO4 + Ca(OH)2 = K3PO4 + Ca3(PO4)2 + H2O =>
3 KH2PO4 + 3 Ca(OH)2 = K3PO4 + Ca3(PO4)2 + 6 H2O
(NI3)4(g) = N2(g) + I2(s) =>
(NI3)4(g) = 2 N2(g) + 6 I2(s)
Ca(OH)2 + Cr(Cl)3 = CaCl2 + Cr(OH)3 =>
3 Ca(OH)2 + 2 Cr(Cl)3 = 3 CaCl2 + 2 Cr(OH)3
Pb(NO3)2(aq) + BaCl2(aq) = Ba(NO3)2(aq) + PbCl2(aq) =>
Pb(NO3)2(aq) + BaCl2(aq) = Ba(NO3)2(aq) + PbCl2(aq)
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
PbO2 + H2SO4 = PbSO4 + H2O + O2 =>
2 PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O + O2
H2SO4 + AgNO3 = Ag2SO4 + HNO3 =>
H2SO4 + 2 AgNO3 = Ag2SO4 + 2 HNO3
Sn + HN03 = H2 + Sn(N3)4 =>
Sn + 4 HN03 = 2 H2 + Sn(N3)4
[SnCl3]{-} + HCl + Cr2O7{-2} = CrCl3 + [SnCl6]{-2} + SnCl2 + H2O =>
4[SnCl3]{-} + 14 HCl + Cr2O7{-2} = 2 CrCl3 + 3[SnCl6]{-2} + SnCl2 + 7 H2O
CrCl3 + ClO{-} + H2O = Cr2O7 + Cl{-} + H{+} =>
2 CrCl3 + 4 ClO{-} + 3 H2O = Cr2O7 + 10 Cl{-} + 6 H{+}
Mg(NO3)2 + Ca3(PO4)2 = Ca(NO3)2 + Mg3(PO4)2 =>
3 Mg(NO3)2 + Ca3(PO4)2 = 3 Ca(NO3)2 + Mg3(PO4)2
(CaSO4)2*H2O = SO3 + H2O + CaO =>
(CaSO4)2*H2O = 2 SO3 + H2O + 2 CaO
NH3 + O2 = NO3 + H2O2 =>
2 NH3 + 6 O2 = 2 NO3 + 3 H2O2
HBr(aq) + Sr(s) + OH = SrBr + H2O =>
HBr(aq) + Sr(s) + OH = SrBr + H2O
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