| Équations équilibrées la veille |
2 CH3(CH2)12COONa + MgCl2 = (CH3(CH2)12COO)2Mg + 2 NaCl
C3H6 + O2 = C3H3 + H2O =>
4 C3H6 + 3 O2 = 4 C3H3 + 6 H2O
N2 + NH4 = NH3 =>
N2 + 6 NH4 = 8 NH3
Ba(OH)2 + HCl = BaCl2 + H2O1 =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O1
Cu(s) + FeSo4(aq) = CuSo4(aq) + Fe(s) =>
Cu(s) + FeSo4(aq) = CuSo4(aq) + Fe(s)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
(NH4)2S2O8 + KI + Na2S2O3 = (NH4)2S2O3 + NaI + K2S2O8 =>
(NH4)2S2O8 + 2 KI + Na2S2O3 = (NH4)2S2O3 + 2 NaI + K2S2O8
KMnO4 + C2H5OH + H2SO4 = MnSO4 + HC2H3O2 + K2SO4 + H2O =>
4 KMnO4 + 5 C2H5OH + 6 H2SO4 = 4 MnSO4 + 5 HC2H3O2 + 2 K2SO4 + 11 H2O
Cl2 + C6H8O6 + H2O = HCl + C6H8O7 =>
Cl2 + C6H8O6 + H2O = 2 HCl + C6H8O7
KI + KMnO4 + H2SO4 = K2SO4 + I2 + MnSO4 + H2O2 =>
2 KI + 2 KMnO4 + 4 H2SO4 = 2 K2SO4 + I2 + 2 MnSO4 + 4 H2O2
Na2CrO4 + CrSO4 + H2O + NaOH = Cr(OH)3 + Na2SO4 =>
Na2CrO4 + 3 CrSO4 + 4 H2O + 4 NaOH = 4 Cr(OH)3 + 3 Na2SO4
Si4 + H2O = SiO2 + H =>
Si4 + 8 H2O = 4 SiO2 + 16 H
C6H5NH2 + Br2 = C6H5Br3NH2 =>
2 C6H5NH2 + 3 Br2 = 2 C6H5Br3NH2
KClO3 + KI + KBr + H2SO4 = K2SO4 + KCl + IBr + H2O =>
KClO3 + 3 KI + 3 KBr + 3 H2SO4 = 3 K2SO4 + KCl + 3 IBr + 3 H2O
Na2[Sn(OH)4] + NaOH + BiCl3 = Bi + Na2[Sn(OH)6] + NaCl =>
3 Na2[Sn(OH)4] + 6 NaOH + 2 BiCl3 = 2 Bi + 3 Na2[Sn(OH)6] + 6 NaCl
BaOH + HCl = H2O + BaCl =>
BaOH + HCl = H2O + BaCl
N2H6(g) + O2(g) = NO2(g) + H2O(g) =>
2 N2H6(g) + 7 O2(g) = 4 NO2(g) + 6 H2O(g)
Si + Na = NaSi =>
Si + Na = NaSi
CaOH2 + K3PO4 = CaPO4 + K3OH2 =>
CaOH2 + K3PO4 = CaPO4 + K3OH2
HCl(aq) + KHCO3(s) = KCl(s) + H2O(aq) + CO2(g) =>
HCl(aq) + KHCO3(s) = KCl(s) + H2O(aq) + CO2(g)
La2(CO3)3 = La + CO3 =>
La2(CO3)3 = 2 La + 3 CO3
C4H6O5 + NaHCO3 = C4H4Na2O5 + CO2 + H2O =>
C4H6O5 + 2 NaHCO3 = C4H4Na2O5 + 2 CO2 + 2 H2O
HgO(s) + Cl2(g) = HgCl(s) + O2(g) =>
2 HgO(s) + Cl2(g) = 2 HgCl(s) + O2(g)
CuO2 + Na2S = CuS + Na2O + O2 =>
2 CuO2 + 2 Na2S = 2 CuS + 2 Na2O + O2
NH4SO4 + H2O = H3O + NH3SO4 =>
NH4SO4 + H2O = H3O + NH3SO4
Pb + Na + C2H5Cl = Pb(C2H5)4 + NaCl5 =>
5 Pb + 4 Na + 20 C2H5Cl = 5 Pb(C2H5)4 + 4 NaCl5
FeO + AgCl = FeCl2 + Ag2O =>
FeO + 2 AgCl = FeCl2 + Ag2O
Cs + Pb(OH)2 = Pb + CsOH =>
2 Cs + Pb(OH)2 = Pb + 2 CsOH
MnH3 = Mn + H2 =>
2 MnH3 = 2 Mn + 3 H2
C8H9NO2 + O2 = CO2 + H2O + NO =>
4 C8H9NO2 + 39 O2 = 32 CO2 + 18 H2O + 4 NO
MnO + CO2 = MnCO3 =>
MnO + CO2 = MnCO3
NaCl(aq) + MnO2(s) + H2SO4(aq) = Na2SO4(aq) + MnSO4(s) + Cl2(g) + H2O(l) =>
2 NaCl(aq) + MnO2(s) + 2 H2SO4(aq) = Na2SO4(aq) + MnSO4(s) + Cl2(g) + 2 H2O(l)
Al(s) + Cl(g) = AlCl =>
Al(s) + Cl(g) = AlCl
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
C6H11Cl + NaOH = C6H11OH + NaCl =>
C6H11Cl + NaOH = C6H11OH + NaCl
CuO + Cl = Cu + ClO =>
CuO + Cl = Cu + ClO
Br22Na = Br2 + NaBr =>
2 Br22Na = 21 Br2 + 2 NaBr
Ce(NO3)3 + NaOH = Ce(OH)3 + Na(NO3) =>
Ce(NO3)3 + 3 NaOH = Ce(OH)3 + 3 Na(NO3)
C6H12O6 + CaCl2 = C6H6O3 + CaCl2*7H2O =>
7 C6H12O6 + 3 CaCl2 = 7 C6H6O3 + 3 CaCl2*7H2O
Cu{2+} + Au = Au{3+} + Cu =>
3 Cu{2+} + 2 Au = 2 Au{3+} + 3 Cu
NaO + HNO3 = Na(NO3)2 + H2O =>
NaO + 2 HNO3 = Na(NO3)2 + H2O
H + He = H2He3 =>
2 H + 3 He = H2He3
S2X5 = X2 + S =>
2 S2X5 = 5 X2 + 4 S
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
C2H3NaO2 = NaCH3CO2(aq) =>
C2H3NaO2 = NaCH3CO2(aq)
Cr(NO3)3 + Na2Se = Cr2Se3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2Se = Cr2Se3 + 6 NaNO3
Cd + AgCl = Cd{2+} + Ag + Cl{-} =>
Cd + 2 AgCl = Cd{2+} + 2 Ag + 2 Cl{-}
Cu3O + H = Cu + H2O =>
Cu3O + 2 H = 3 Cu + H2O
Na + Zn = Na2Zn =>
2 Na + Zn = Na2Zn
Sr(NO3)2 + H2CO3 = SrCO3 + HNO3 =>
Sr(NO3)2 + H2CO3 = SrCO3 + 2 HNO3
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