| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na4[Fe(CN)6] + FeCl3 = FeNa[Fe(CN)6] + 3 NaCl
CCa = CaC =>
CCa = CaC
NH4{+} + e = NH4 =>
NH4{+} + e = NH4
KI + KMnO4 + H2SO4 = K2SO4 + Mn(SO4) + I2 + H2O =>
10 KI + 2 KMnO4 + 8 H2SO4 = 6 K2SO4 + 2 Mn(SO4) + 5 I2 + 8 H2O
Cu{2+} + NH3 + SO4{2-} = Cu(NH3)4SO4 =>
Cu{2+} + 4 NH3 + SO4{2-} = Cu(NH3)4SO4
NaBr(aq) + KMnO4(aq) + H2SO4(aq) = Br2(aq) + MnSO4(aq) + KSO4(aq) + NaSO4(aq) + H2O(l) =>
2 NaBr(aq) + KMnO4(aq) + 4 H2SO4(aq) = Br2(aq) + MnSO4(aq) + KSO4(aq) + 2 NaSO4(aq) + 4 H2O(l)
Cu(NH3)4(ClO4)2 + C = CO2 + CuCl2 + H2O + N2 =>
Cu(NH3)4(ClO4)2 + C = CO2 + CuCl2 + 6 H2O + 2 N2
CaCl2 + NH4OH = Ca(OH)2 + ClNH4 =>
CaCl2 + 2 NH4OH = Ca(OH)2 + 2 ClNH4
LiOH + H2CrO4 = HOH + Li2CrO4 =>
2 LiOH + H2CrO4 = 2 HOH + Li2CrO4
C(H)4 + O2 = C(O)2 + H2O =>
C(H)4 + 2 O2 = C(O)2 + 2 H2O
Ba(NO3)2 + Ag3PO4 = Ba3(PO4)2 + AgNO3 =>
3 Ba(NO3)2 + 2 Ag3PO4 = Ba3(PO4)2 + 6 AgNO3
Pb + H(NO3)2 = Pb(NO3)2 + H2 =>
2 Pb + 2 H(NO3)2 = 2 Pb(NO3)2 + H2
Mg3(PO4)2 + (NH4)Cl = Mg(NH4)2 + Cl3(PO4) =>
Mg3(PO4)2 + 6(NH4)Cl = 3 Mg(NH4)2 + 2 Cl3(PO4)
HCOOH + NaHCO3 = NaHCOO + H2O + CO2 =>
HCOOH + NaHCO3 = NaHCOO + H2O + CO2
MgCO3 + Ca2SO4 = CaCO3 + Mg2SO4 =>
2 MgCO3 + Ca2SO4 = 2 CaCO3 + Mg2SO4
Hg2(NO3)2 + NH4OH = NH4NO3 + H2O + Hg =>
4 Hg2(NO3)2 + 10 NH4OH = 9 NH4NO3 + 7 H2O + 8 Hg
C12H22O11 + HCl + CH4N2O + CH4O = C5H13Cl2N + H2O2 =>
8 C12H22O11 + 100 HCl + 25 CH4N2O + 129 CH4O = 50 C5H13Cl2N + 121 H2O2
K + FeSO4 = K2SO4 + Fe2 =>
4 K + 2 FeSO4 = 2 K2SO4 + Fe2
H(aq) + SO3(aq) = SO2(g) + H2O(l) =>
2 H(aq) + SO3(aq) = SO2(g) + H2O(l)
Na2C2O4 + NaMnO4 + H2SO4 = CO2 + Na2SO4 + Mn2(SO4)3 + H2O =>
4 Na2C2O4 + 2 NaMnO4 + 8 H2SO4 = 8 CO2 + 5 Na2SO4 + Mn2(SO4)3 + 8 H2O
H2SO4 + NaOH = NaHSO4(aq) + H2O(l) =>
H2SO4 + NaOH = NaHSO4(aq) + H2O(l)
C3H6Br2 + NaOH = C3H4 + H2O + NaBr =>
C3H6Br2 + 2 NaOH = C3H4 + 2 H2O + 2 NaBr
Cl2 + P = Cl5P =>
5 Cl2 + 2 P = 2 Cl5P
Na2S + K = Na + SK =>
Na2S + K = 2 Na + SK
NaHCO3 + Cl2 = NaCl + H2O + NaOCl + CO2 =>
2 NaHCO3 + Cl2 = NaCl + H2O + NaOCl + 2 CO2
Pb(NO3)2 + CaBr2 = PbBr2(s) + Ca(NO3)2 =>
Pb(NO3)2 + CaBr2 = PbBr2(s) + Ca(NO3)2
KMnO4 + H2O + I2 = MnO2 + KOH + KIO3 =>
10 KMnO4 + 2 H2O + 3 I2 = 10 MnO2 + 4 KOH + 6 KIO3
Ca + CH2OOH2 = CaCH2OOH + H2 =>
2 Ca + 2 CH2OOH2 = 2 CaCH2OOH + H2
Be + H2O = BeHO + H =>
Be + H2O = BeHO + H
CH3SH + NaOH = CH3OH + Na2S + H2O =>
CH3SH + 2 NaOH = CH3OH + Na2S + H2O
Mg + CsMnO4 + K2SO4 + H2O = MgSO4 + CsOH + MnO2 + KOH =>
3 Mg + 2 CsMnO4 + 3 K2SO4 + 4 H2O = 3 MgSO4 + 2 CsOH + 2 MnO2 + 6 KOH
O6 = O =>
O6 = 6 O
Ca(OH)2NaOH = Ca(OH)Na(OH)2 =>
Ca(OH)2NaOH = Ca(OH)Na(OH)2
Ca + HNO3(concentrated) = Ca(NO3)2 + H2 =>
Ca + 2 HNO3(concentrated) = Ca(NO3)2 + H2
HNO3 + Sr(HCO3)2 = Sr(NO3)2 + CO2 + H2O =>
2 HNO3 + Sr(HCO3)2 = Sr(NO3)2 + 2 CO2 + 2 H2O
NO + H2O = NHO3 + H2 =>
2 NO + 4 H2O = 2 NHO3 + 3 H2
NaF + BeO = BeF2 + Na2O =>
2 NaF + BeO = BeF2 + Na2O
AlMg(NO3)3 = MgAl(NO3)3 =>
AlMg(NO3)3 = MgAl(NO3)3
HBrNaOH = NaBrH2O =>
HBrNaOH = NaBrH2O
Ca(OH)2(NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2(NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
NH4NO3 + BaO = NH3 + Ba(NO3)2 + H2O =>
2 NH4NO3 + BaO = 2 NH3 + Ba(NO3)2 + H2O
KH2PO4 + Al(NO3)3 = Al(PO4)3 + KH2(NO3) =>
3 KH2PO4 + Al(NO3)3 = Al(PO4)3 + 3 KH2(NO3)
Cr + NaOH + H2O = NaCr(OH)3 + H2 =>
Cr + NaOH + 2 H2O = NaCr(OH)3 + H2
NaOH + SOCl2 = SO2HCl + NaCl =>
NaOH + SOCl2 = SO2HCl + NaCl
K2Cr2O7 + H2SO4 + KBr = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KBr = 3 Br2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
CaO(s)SiO2(s) = CaSiO3(s) =>
CaO(s)SiO2(s) = CaSiO3(s)
KNO3 + NaOH + Al + H2O = NH3 + Na3[Al(OH)6] + K3[Al(OH)6] =>
3 KNO3 + 21 NaOH + 8 Al + 18 H2O = 3 NH3 + 7 Na3[Al(OH)6] + K3[Al(OH)6]
C3H2O3 + O2 = CO2 + H2O =>
C3H2O3 + 2 O2 = 3 CO2 + H2O
Na(aq) + HCl(aq) = NaCl + H2 =>
2 Na(aq) + 2 HCl(aq) = 2 NaCl + H2
NaC6H5COOH + HCl = C6H5COOH + NaCl + H2 =>
2 NaC6H5COOH + 2 HCl = 2 C6H5COOH + 2 NaCl + H2
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Équations équilibrées sur11/23/24
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