| Équations équilibrées la veille |
2 CdCl2 + O2 = 2 CdO + 2 Cl2
HSO3{-} + OCl{-} = HSO4{-} + Cl{-} =>
HSO3{-} + OCl{-} = HSO4{-} + Cl{-}
C4H6 + KMnO4 + KOH = C4O4H10 + K2MnO4 =>
C4H6 + 4 KMnO4 + 4 KOH = C4O4H10 + 4 K2MnO4
V + Br2 = VBr4 =>
V + 2 Br2 = VBr4
Sn(s) + HNO3(l) = SnO2(s) + NO2(g) + H2O(l) =>
Sn(s) + 4 HNO3(l) = SnO2(s) + 4 NO2(g) + 2 H2O(l)
Ca(HCO3)2(s) + H3PO4(aq) = Ca3(PO4)2(s) + H2O(l) + CO2(g) =>
3 Ca(HCO3)2(s) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 H2O(l) + 6 CO2(g)
KSCN + Fe2(SO4)3 = K2SO4 + Fe(SCN)3 =>
6 KSCN + Fe2(SO4)3 = 3 K2SO4 + 2 Fe(SCN)3
CuBr2 + (NH4)2CO3 = CuCO3 + (NH4)2Br2 =>
CuBr2 + (NH4)2CO3 = CuCO3 + (NH4)2Br2
CuO + Al = Cu + Al2O3 =>
3 CuO + 2 Al = 3 Cu + Al2O3
NH4VO3 + Zn = NH4Zn + VO3 =>
NH4VO3 + Zn = NH4Zn + VO3
BaCl2 + K2SO4 = KCl + BaSO4 =>
BaCl2 + K2SO4 = 2 KCl + BaSO4
KClO + FeCl2 + HCl = KCl + FeCl3 + H2O =>
KClO + 2 FeCl2 + 2 HCl = KCl + 2 FeCl3 + H2O
Na2S + O3 = Na2SO3 =>
Na2S + O3 = Na2SO3
F2 + GaI3 = GaF3 + I2 =>
3 F2 + 2 GaI3 = 2 GaF3 + 3 I2
LiOH + HNO3 = LiOHNO3 + H2 =>
2 LiOH + 2 HNO3 = 2 LiOHNO3 + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C2H5OH + HCOH = C3H6O2 + H2O =>
C2H5OH + 4 HCOH = 2 C3H6O2 + H2O
CuSO4*5H2O + NaOH + NaCl = Cu2Cl(OH)3 + Na2SO4 + H2O =>
2 CuSO4*5H2O + 3 NaOH + NaCl = Cu2Cl(OH)3 + 2 Na2SO4 + 10 H2O
CaH2(s) + H2O = Ca(OH)2 + H2(g) =>
CaH2(s) + 2 H2O = Ca(OH)2 + 2 H2(g)
MnS + HNO3 = Mn + SHNO3 =>
MnS + HNO3 = Mn + SHNO3
Mg(OH)2 + Ca(NO3)2 = Ca(OH)2 + Mg(NO3)2 =>
Mg(OH)2 + Ca(NO3)2 = Ca(OH)2 + Mg(NO3)2
FeC2O4 + KMnO4 + H2SO4 = KHSO4 + MnSO4 + Fe(SO4)3 + H2O + CO2 =>
5 FeC2O4 + 6 KMnO4 + 27 H2SO4 = 6 KHSO4 + 6 MnSO4 + 5 Fe(SO4)3 + 24 H2O + 10 CO2
Mg + N2 = MgN3N2 =>
2 Mg + 5 N2 = 2 MgN3N2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CdCl2 + O2 = CdO + Cl2 =>
2 CdCl2 + O2 = 2 CdO + 2 Cl2
Na2SO3 + K2Cr2O7 = SO4 + Cr + Na + K =>
7 Na2SO3 + K2Cr2O7 = 7 SO4 + 2 Cr + 14 Na + 2 K
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CuSO4 + KI + SO2 + H2O = CuI + H2SO4 + K2SO4 =>
2 CuSO4 + 2 KI + SO2 + 2 H2O = 2 CuI + 2 H2SO4 + K2SO4
NH4OH + CoCl2*6H2O = [Co(NH3)6]Cl2 + H2O =>
6 NH4OH + CoCl2*6H2O = [Co(NH3)6]Cl2 + 12 H2O
Al(OH{+3}) + Na(NO{+3}) = Al(NO{+3}){3} + NaOH =>
Al(OH{+3}) + Na(NO{+3}) = Al(NO{+3}){3} + NaOH
FeCl + K2Cr2O7 + HCl = FeCl3 + KCl + CrCl3 + H2O =>
3 FeCl + K2Cr2O7 + 14 HCl = 3 FeCl3 + 2 KCl + 2 CrCl3 + 7 H2O
CH3COOH + HF = CH3COF + H2O =>
CH3COOH + HF = CH3COF + H2O
Mn(s) + CuSO4(aq) = MnSO4 + Cu =>
Mn(s) + CuSO4(aq) = MnSO4 + Cu
Sn3 + NaOH = Na2SnO2 + H2 =>
Sn3 + 6 NaOH = 3 Na2SnO2 + 3 H2
K2CrO7 + H2SO4 + Na2SO3 = Na2SO4 + Cr2(SO4)3 + H2O + K2SO4 =>
2 K2CrO7 + 5 H2SO4 + 9 Na2SO3 = 9 Na2SO4 + Cr2(SO4)3 + 5 H2O + 2 K2SO4
CaSO4 + SiO2 = SO2 + CaSiO3 + O2 =>
2 CaSO4 + 2 SiO2 = 2 SO2 + 2 CaSiO3 + O2
C6H6 + KMnO4 + H2O = C6H4(OH)2 + MnO2 + KOH =>
3 C6H6 + 4 KMnO4 + 2 H2O = 3 C6H4(OH)2 + 4 MnO2 + 4 KOH
I2 + H(NO3) = HIO3 + NO2 + H2O =>
I2 + 10 H(NO3) = 2 HIO3 + 10 NO2 + 4 H2O
Al(OH)3 + H2SO4 + H2O = Al(H2O)6{3+} + SO4{2-} =>
2 Al(OH)3 + 3 H2SO4 + 6 H2O = 2 Al(H2O)6{3+} + 3 SO4{2-}
Cu + Ag(NO2) = Ag + Cu2(NO2) =>
2 Cu + Ag(NO2) = Ag + Cu2(NO2)
ZnSO4(aq) + Sr(OH)2(aq) = Zn(OH)2(aq) + SrSO4(s) =>
ZnSO4(aq) + Sr(OH)2(aq) = Zn(OH)2(aq) + SrSO4(s)
FeCO3 + KOH = K2CO3 + Fe(OH)2 =>
FeCO3 + 2 KOH = K2CO3 + Fe(OH)2
MgSO3(s) + HCl(aq) = MgCl2(aq) + H2O(l) + SO2(g) =>
MgSO3(s) + 2 HCl(aq) = MgCl2(aq) + H2O(l) + SO2(g)
Sn + HgCl2 = SnCl4 + Hg =>
Sn + 2 HgCl2 = SnCl4 + 2 Hg
C8H8O3 + H2O = C7H6O3 + CH4O =>
C8H8O3 + H2O = C7H6O3 + CH4O
(NH4)3PO4 + Sr(OH)2 = Sr3(PO4)2 + NH4OH =>
2(NH4)3PO4 + 3 Sr(OH)2 = Sr3(PO4)2 + 6 NH4OH
NH3 + Cu(OH)2 = [Cu(NH3)4]{2+} + OH{-} =>
4 NH3 + Cu(OH)2 = [Cu(NH3)4]{2+} + 2 OH{-}
Sn4 + HCl = SnCl2 + H2 =>
Sn4 + 8 HCl = 4 SnCl2 + 4 H2
C2H3O2 = CO2 + C2H6 =>
2 C2H3O2 = 2 CO2 + C2H6
BN + NaCl = Na3N + BCl3 =>
BN + 3 NaCl = Na3N + BCl3
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