| Équations équilibrées la veille |
Na2S2O3(aq) + 2 HCl(aq) = S(s) + SO2(g) + 2 NaCl(aq) + H2O
Na2B4O7 + HSO4 + H2O = H3BO3 + NaSO4 =>
Na2B4O7 + 2 HSO4 + 5 H2O = 4 H3BO3 + 2 NaSO4
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
HF + Ca(NO3)2 = HNO3 + CaF2 =>
2 HF + Ca(NO3)2 = 2 HNO3 + CaF2
CrO3 + KI + HCl = I2 + Cr2Cl + KCl + H2O =>
4 CrO3 + 22 KI + 24 HCl = 11 I2 + 2 Cr2Cl + 22 KCl + 12 H2O
C6H8O6(s) + O2(g) = CO2(g) + H2O(g) =>
C6H8O6(s) + 5 O2(g) = 6 CO2(g) + 4 H2O(g)
NaCl + Cu = Na + CuCl =>
NaCl + Cu = Na + CuCl
CO2 + H2O = O2 + C6H7O2 =>
24 CO2 + 14 H2O = 27 O2 + 4 C6H7O2
HF + Ca(NO3)2 = HNO3 + CaF2 =>
2 HF + Ca(NO3)2 = 2 HNO3 + CaF2
KMnO4(aq) + H2C2O4(aq) + H2SO4(c) = MnSO4(aq) + CO2(g) + H2O(l) + K2SO4(aq) =>
2 KMnO4(aq) + 5 H2C2O4(aq) + 3 H2SO4(c) = 2 MnSO4(aq) + 10 CO2(g) + 8 H2O(l) + K2SO4(aq)
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
HF + Ca(NO3)2 = HNO3 + CaF2 =>
2 HF + Ca(NO3)2 = 2 HNO3 + CaF2
Mn2O3 + H2O2 = MnO2 + H2O =>
Mn2O3 + H2O2 = 2 MnO2 + H2O
Pb(NO3)2(aq) + NaBr(aq) = Na(NO3)(aq) + PbBr2(s) =>
Pb(NO3)2(aq) + 2 NaBr(aq) = 2 Na(NO3)(aq) + PbBr2(s)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Mn2O3 + H2O2 = MnO2 + H2O =>
Mn2O3 + H2O2 = 2 MnO2 + H2O
CuCl2 + OH = Cu(OH)2 + Cl =>
CuCl2 + 2 OH = Cu(OH)2 + 2 Cl
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
HF + Ca(NO3)2 = HNO3 + CaF2 =>
2 HF + Ca(NO3)2 = 2 HNO3 + CaF2
PCl + Cl2 = PCl5 =>
PCl + 2 Cl2 = PCl5
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Mn2O3 + H2O2 = MnO2 + H2O =>
Mn2O3 + H2O2 = 2 MnO2 + H2O
HF + Ca(NO3)2 = HNO3 + CaF2 =>
2 HF + Ca(NO3)2 = 2 HNO3 + CaF2
Ca + FeSO4 = CaSO4 + Fe =>
Ca + FeSO4 = CaSO4 + Fe
K + PbCl2 = KPb + Cl2 =>
K + PbCl2 = KPb + Cl2
HF + Ca(NO3)2 = HNO3 + CaF2 =>
2 HF + Ca(NO3)2 = 2 HNO3 + CaF2
CaC2 + HBr = CaBr2 + H2C2 =>
CaC2 + 2 HBr = CaBr2 + H2C2
KBr + H2O = H2 + Br2 + KOH =>
2 KBr + 2 H2O = H2 + Br2 + 2 KOH
FeSO4 + KMnO4 = MnSO4 + KFeO4 =>
FeSO4 + KMnO4 = MnSO4 + KFeO4
Al{3+} + Cl{-} = AlCl3 =>
Al{3+} + 3 Cl{-} = AlCl3
K(s) + H2O(l) = H2(g) + KOH(ac) =>
2 K(s) + 2 H2O(l) = H2(g) + 2 KOH(ac)
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
HCl + FeO + KMnO4 = Fe2O3 + MnO + H2O + KCl =>
2 HCl + 10 FeO + 2 KMnO4 = 5 Fe2O3 + 2 MnO + H2O + 2 KCl
CCl4(l) + K2CrO4(aq) = COCl2(g) + CrO2Cl2(aq) + KCl(aq) =>
2 CCl4(l) + K2CrO4(aq) = 2 COCl2(g) + CrO2Cl2(aq) + 2 KCl(aq)
HCl(l) + Ca(OH)2(aq) = H2O(l) + CaCl2(aq) =>
2 HCl(l) + Ca(OH)2(aq) = 2 H2O(l) + CaCl2(aq)
MnO4{-} + S{-2} + H2O = MnS + S + OH{-} =>
2 MnO4{-} + 7 S{-2} + 8 H2O = 2 MnS + 5 S + 16 OH{-}
N21 + H2 = NH3 =>
2 N21 + 63 H2 = 42 NH3
Mn2O3 + H2O2 = MnO2 + H2O =>
Mn2O3 + H2O2 = 2 MnO2 + H2O
H3C6H5O7 + NaHCO3 = Na3C6H5O + CO2 + H2O =>
5 H3C6H5O7 + 9 NaHCO3 = 3 Na3C6H5O + 21 CO2 + 17 H2O
MgO + AlCl = AlO + MgCl =>
MgO + AlCl = AlO + MgCl
Pb(NO3)2 + NH3 = Pb(NH3)2 + (NO3)2 =>
Pb(NO3)2 + 2 NH3 = Pb(NH3)2 + (NO3)2
Ba3(PO4)2 + NaOH = Ba(OH)2 + Na3PO4 =>
Ba3(PO4)2 + 6 NaOH = 3 Ba(OH)2 + 2 Na3PO4
AgCe = Ag + Ce2 =>
2 AgCe = 2 Ag + Ce2
Ca(NO3)2 + H3PO4 + NH4OH = Ca10(PO4)6(OH)2 + NH4NO3 + H2O =>
10 Ca(NO3)2 + 6 H3PO4 + 20 NH4OH = Ca10(PO4)6(OH)2 + 20 NH4NO3 + 18 H2O
K2Cr2O7 + H2SO4 + NaCl = Na2SO4 + K2SO4 + Cr2(SO4)3 + H2O + Cl2 =>
K2Cr2O7 + 7 H2SO4 + 6 NaCl = 3 Na2SO4 + K2SO4 + Cr2(SO4)3 + 7 H2O + 3 Cl2
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