| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb + 3 H{+3}PO{+4} = 3 H{+2} + Pb{+3}(PO{+4}){+2}
CH3COOHNaOH = NaCH3COOH2O =>
CH3COOHNaOH = NaCH3COOH2O
Na6V10O28 + KI + HCl = VOCl2 + I2 + NaCl + KCl + H2O =>
Na6V10O28 + 10 KI + 36 HCl = 10 VOCl2 + 5 I2 + 6 NaCl + 10 KCl + 18 H2O
Zn + HNO2 = ZnNO2 + H =>
Zn + HNO2 = ZnNO2 + H
CaCO3 + HCl = CaCl2 + C + O2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + C + O2 + H2O
J2 + Cl2 + H2O = HJO + HCl =>
J2 + Cl2 + 2 H2O = 2 HJO + 2 HCl
ZnNa + CN = ZnC + NaN =>
ZnNa + CN = ZnC + NaN
I2 + NH4F = NH4I + F2 =>
I2 + 2 NH4F = 2 NH4I + F2
CH3CH2CH2OH + O2 = CO2 + H2O =>
2 CH3CH2CH2OH + 9 O2 = 6 CO2 + 8 H2O
FeSO4 + KI = FeI2 + SO4K2 =>
FeSO4 + 2 KI = FeI2 + SO4K2
Cu(NO3)2 + NH3 = Cu(NH3)2 + NO3 =>
Cu(NO3)2 + 2 NH3 = Cu(NH3)2 + 2 NO3
CaBr2 + Na2SO4 = CaSO4 + NaBr =>
CaBr2 + Na2SO4 = CaSO4 + 2 NaBr
CaCl + Fe(SO4)3 = CaSO4 + FeCl3 =>
3 CaCl + Fe(SO4)3 = 3 CaSO4 + FeCl3
C2H6O + H2O = CO2 + H2 =>
C2H6O + 3 H2O = 2 CO2 + 6 H2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
C4H9NO2 + NaNO2 + HCl = C4H6O2 + NO + H2O + NaCl =>
C4H9NO2 + 5 NaNO2 + 5 HCl = C4H6O2 + 6 NO + 4 H2O + 5 NaCl
Ag2O + N2H4 = Ag + N2 + H2O =>
2 Ag2O + N2H4 = 4 Ag + N2 + 2 H2O
Cu + H2 + O2 = Cu(OH)2 =>
Cu + H2 + O2 = Cu(OH)2
Al2S3(s) + H2O(l) = H2S(g) + Al(OH)3(aq) =>
Al2S3(s) + 6 H2O(l) = 3 H2S(g) + 2 Al(OH)3(aq)
C6H10 + KMnO4 = C6H8(OH)2 + MnO2 + K =>
C6H10 + KMnO4 = C6H8(OH)2 + MnO2 + K
Ca(OH)2 = CaO + O2 + H2 =>
2 Ca(OH)2 = 2 CaO + O2 + 2 H2
Ca + Na2CO3 = Na + CaCO3 =>
Ca + Na2CO3 = 2 Na + CaCO3
Zn + HNO2 = Zn(NO2)2 + NO + H2O =>
Zn + 4 HNO2 = Zn(NO2)2 + 2 NO + 2 H2O
KBr + Pb(NO3)2 = KNO3 + PbBr2 =>
2 KBr + Pb(NO3)2 = 2 KNO3 + PbBr2
KNO3(aq) + Na2CO3(aq) = NaNO3(aq) + K2CO3(aq) =>
2 KNO3(aq) + Na2CO3(aq) = 2 NaNO3(aq) + K2CO3(aq)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C27H48O20 + H2O = C27H50O21 =>
C27H48O20 + H2O = C27H50O21
Na2O2 + H2O = NaOH + H2O2 =>
Na2O2 + 2 H2O = 2 NaOH + H2O2
FeCl3(aq) + SnCl2(aq) = FeCl2(aq) + SnCl4(aq) =>
2 FeCl3(aq) + SnCl2(aq) = 2 FeCl2(aq) + SnCl4(aq)
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
Au + C2O4 = Au2C2O4 =>
2 Au + C2O4 = Au2C2O4
Na2O2 + H2SO4 = Na2SO4 + H2O2 =>
Na2O2 + H2SO4 = Na2SO4 + H2O2
KClO3 + MnO2 = KO2 + MnClO3 =>
KClO3 + MnO2 = KO2 + MnClO3
Mg3N2(s) + H2O(g) = Mg(OH)2(s) + NH3(g) =>
Mg3N2(s) + 6 H2O(g) = 3 Mg(OH)2(s) + 2 NH3(g)
H2O2 + N2O3 = N2O5 + H2O =>
2 H2O2 + N2O3 = N2O5 + 2 H2O
BaSe + Ag + Gd + Se = BaAgGdSe3 =>
BaSe + Ag + Gd + 2 Se = BaAgGdSe3
Na2O2 + CO2 = Na2CO3 + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2CO3 + O2
Zn + H2CO3 = ZnCO3 + H2 =>
Zn + H2CO3 = ZnCO3 + H2
LiH = Li(s) + H2(g) =>
2 LiH = 2 Li(s) + H2(g)
NH3 + O2 = HNO2 + H2O =>
2 NH3 + 3 O2 = 2 HNO2 + 2 H2O
MgSiO3 + Na = Si + Na2Mg2Si6O15 + Mg2SiO4 =>
22 MgSiO3 + 4 Na = Si + 2 Na2Mg2Si6O15 + 9 Mg2SiO4
K2SO4 + NaOH = Na2SO4 + KOH =>
K2SO4 + 2 NaOH = Na2SO4 + 2 KOH
NH4F = (NH4)2F{+} + NH4F2{-} =>
3 NH4F = (NH4)2F{+} + NH4F2{-}
AlPO4(aq) + MgCl2(aq) = Mg3(PO4)2(aq) + AlCl3(aq) =>
2 AlPO4(aq) + 3 MgCl2(aq) = Mg3(PO4)2(aq) + 2 AlCl3(aq)
Na2O2 + H2O = NaOH + O =>
Na2O2 + H2O = 2 NaOH + O
Cr(OH)3 + HNO3(aq) = Cr(NO3)3 + H2O =>
Cr(OH)3 + 3 HNO3(aq) = Cr(NO3)3 + 3 H2O
LiH + H2SO4 = H + Li2SO4 =>
2 LiH + H2SO4 = 4 H + Li2SO4
CO2 + NH3 = [(NH2)2CO] + H2O =>
CO2 + 2 NH3 = [(NH2)2CO] + H2O
C2D5OD + O2 = D2O + CO2 =>
C2D5OD + 3 O2 = 3 D2O + 2 CO2
Ag + HNO3(ac) = AgNO3 + H2O + NO =>
3 Ag + 4 HNO3(ac) = 3 AgNO3 + 2 H2O + NO
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