| Équations équilibrées la veille |
NH3OH + HCl = NH3Cl + H2O
PB(NO3)2 + AlCl3 = PBCl2 + Al(NO3)3 =>
3 PB(NO3)2 + 2 AlCl3 = 3 PBCl2 + 2 Al(NO3)3
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
Sr(NO3)2 + CuCl2 = SrCl2 + Cu(NO3)2 =>
Sr(NO3)2 + CuCl2 = SrCl2 + Cu(NO3)2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cr + LiOH = CrOH + Li =>
Cr + LiOH = CrOH + Li
ZnPb2 = Zn + Pb =>
ZnPb2 = Zn + 2 Pb
CH3COOH + CaCO3 = H2CO3 + Ca(CH3COO)2 =>
2 CH3COOH + CaCO3 = H2CO3 + Ca(CH3COO)2
K2Cr2O7 + CH3CH2OH + H2SO4 = CH3CHO + H2O + Cr2(SO4)3 + K2SO4 =>
K2Cr2O7 + 3 CH3CH2OH + 4 H2SO4 = 3 CH3CHO + 7 H2O + Cr2(SO4)3 + K2SO4
Fe3O4(s) + H2 = Fe(s) + H2O(i) =>
Fe3O4(s) + 4 H2 = 3 Fe(s) + 4 H2O(i)
C22H11O12 + O2 = CO2 + H2O =>
4 C22H11O12 + 75 O2 = 88 CO2 + 22 H2O
Fe + KOH = FeKO + H2 =>
2 Fe + 2 KOH = 2 FeKO + H2
H2S + Cl = S8 + HCl2 =>
8 H2S + 32 Cl = S8 + 16 HCl2
Br2(l) + Na(s) = NaBr2 =>
Br2(l) + Na(s) = NaBr2
H3PO4 + NaBr = NaH2PO4 + HBr =>
H3PO4 + NaBr = NaH2PO4 + HBr
Na2(SO4) + CaI2 = NaI + Ca(SO4) =>
Na2(SO4) + CaI2 = 2 NaI + Ca(SO4)
Cu + AgCH3COO = Ag + CuCH3COO =>
Cu + AgCH3COO = Ag + CuCH3COO
H2S + HNO4 = H2SO3 + NO + H2 = =>
2 H2S + 2 HNO4 = 2 H2SO3 + 2 NO + H2
Zn{2+} + (SO4){-2} = ZnSO4 =>
Zn{2+} + (SO4){-2} = ZnSO4
H2O(l) + P4O10(s) = H3PO4(aq) =>
6 H2O(l) + P4O10(s) = 4 H3PO4(aq)
Na2CO3 + CH3COOH = NaCH3COO + CO2 + H2O =>
Na2CO3 + 2 CH3COOH = 2 NaCH3COO + CO2 + H2O
HgCO3 + KI = HgI2 + K2CO3 =>
HgCO3 + 2 KI = HgI2 + K2CO3
CaCl + Al(Co3)3 = AlCl3 + CaCo3 =>
3 CaCl + Al(Co3)3 = AlCl3 + 3 CaCo3
Ba(OH)2 + HCOOH = Ba(HCOO)2 + H2O =>
Ba(OH)2 + 2 HCOOH = Ba(HCOO)2 + 2 H2O
PbI2 = I + Pb =>
PbI2 = 2 I + Pb
Ca(PH2O2)2 + Ca(OH)2 + H2O2 = Ca3(PO4)2 + H2O =>
Ca(PH2O2)2 + 2 Ca(OH)2 + 4 H2O2 = Ca3(PO4)2 + 8 H2O
PbI2 + Mg = MgI2 + Pb =>
PbI2 + Mg = MgI2 + Pb
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
N2O5 = N2 + O2 =>
2 N2O5 = 2 N2 + 5 O2
P4O10 + HNO3 = HPO3 + N2O5 =>
P4O10 + 4 HNO3 = 4 HPO3 + 2 N2O5
CH3CH2OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + H2O + K2SO4 =>
5 CH3CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 4 MnSO4 + 11 H2O + 2 K2SO4
K3Fe(SCN)6 + Na2Cr2O7 + H2SO4 = Fe(NO3)3 + Cr2(SO4)3 + CO3 + H2O + Na2SO4 + KNO3 =>
K3Fe(SCN)6 + 18 Na2Cr2O7 + 66 H2SO4 = Fe(NO3)3 + 18 Cr2(SO4)3 + 6 CO3 + 66 H2O + 18 Na2SO4 + 3 KNO3
NO2 + H2O = NO3H + NO =>
3 NO2 + H2O = 2 NO3H + NO
K2Cr2O7 + Na2S2O5 + H2O + NaOH = Cr(OH)3 + Na2SO4 + K2SO4 =>
2 K2Cr2O7 + 3 Na2S2O5 + 5 H2O + 2 NaOH = 4 Cr(OH)3 + 4 Na2SO4 + 2 K2SO4
Na{+} + Cl{-}(g) = NaCl =>
Na{+} + Cl{-}(g) = NaCl
Na3Na + HNO3 = NaNO3 + NO + H2O =>
3 Na3Na + 16 HNO3 = 12 NaNO3 + 4 NO + 8 H2O
N2(g) + O2(g) = NO2(g) =>
N2(g) + 2 O2(g) = 2 NO2(g)
Mg(OH)2 + SiO2 = Mg2SiO4 + H2O =>
2 Mg(OH)2 + SiO2 = Mg2SiO4 + 2 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
(NH4)2CO3 + CoCl3 = NH4Cl + Co2(CO3)3 =>
3(NH4)2CO3 + 2 CoCl3 = 6 NH4Cl + Co2(CO3)3
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
K3Fe(SCN)6 + Na2Cr2O7 + H2SO4 = Fe(NO3)3 + Cr2(SO4)3 + CO3 + H2O + Na2SO4 + KNO3 =>
K3Fe(SCN)6 + 18 Na2Cr2O7 + 66 H2SO4 = Fe(NO3)3 + 18 Cr2(SO4)3 + 6 CO3 + 66 H2O + 18 Na2SO4 + 3 KNO3
NaBr(aq) + K2SO4(aq) = Na2SO4(aq) + KBr(aq) =>
2 NaBr(aq) + K2SO4(aq) = Na2SO4(aq) + 2 KBr(aq)
FeOCr2O3 + K2CO3 + O2 = K2CrO4 + CO2 + Fe2O3 =>
4 FeOCr2O3 + 8 K2CO3 + 7 O2 = 8 K2CrO4 + 8 CO2 + 2 Fe2O3
AlO + H2(SO4) = H2O + Al(SO4) =>
AlO + H2(SO4) = H2O + Al(SO4)
KClO3 + AlBr3 = KBr + Al(ClO3)3 =>
3 KClO3 + AlBr3 = 3 KBr + Al(ClO3)3
NaI + KMnO4 + H2O = MnO2 + KOH + I2 + NaOH =>
6 NaI + 2 KMnO4 + 4 H2O = 2 MnO2 + 2 KOH + 3 I2 + 6 NaOH
KI + H2O2 = K2O + H2 + I2 =>
4 KI + H2O2 = 2 K2O + H2 + 2 I2
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