| Équations équilibrées la veille | Équations équilibrées le lendemain |
PB(OH)2 = PBO + H2O
CH3CHO + KMnO4 + HCl = CH3COOH + MnCl2 + KCl + H2O =>
5 CH3CHO + 2 KMnO4 + 6 HCl = 5 CH3COOH + 2 MnCl2 + 2 KCl + 3 H2O
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
FeCl2 + CS2 = Fe + S + CCl4 =>
2 FeCl2 + CS2 = 2 Fe + 2 S + CCl4
Cu2CO3(OH)2(s) + C(s) = Cu(s) + CO2(g) + H2O =>
Cu2CO3(OH)2(s) + C(s) = 2 Cu(s) + 2 CO2(g) + H2O
Ru2O3 = Ru + O2 =>
2 Ru2O3 = 4 Ru + 3 O2
K2Cr2O7 + Cu2O + H2SO4 = CuSO4 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 Cu2O + 10 H2SO4 = 6 CuSO4 + Cr2(SO4)3 + K2SO4 + 10 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al + Li2O = Al2O3 + Li =>
2 Al + 3 Li2O = Al2O3 + 6 Li
CH3COOH(l) + NaHCO3(s) = CH3COONa(aq) + H2O(l) + CO2(g) =>
CH3COOH(l) + NaHCO3(s) = CH3COONa(aq) + H2O(l) + CO2(g)
Pb2O5 + SrCl2 = PbCl5 + SrO =>
Pb2O5 + 5 SrCl2 = 2 PbCl5 + 5 SrO
PB(NO3)2(s) + K2CO3(s) = PBCO3(s) + KNO3(s) =>
PB(NO3)2(s) + K2CO3(s) = PBCO3(s) + 2 KNO3(s)
CrO3 + H3PO4 = CrH3 + O3PO4 =>
CrO3 + H3PO4 = CrH3 + O3PO4
K + AlCl3 = KCl + Al =>
3 K + AlCl3 = 3 KCl + Al
AlNO3 + KOH = Al(OH)2 + K2NO3 =>
AlNO3 + 2 KOH = Al(OH)2 + K2NO3
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
Al(NO3)3 + KBr = AlBr3 + K(NO3) =>
Al(NO3)3 + 3 KBr = AlBr3 + 3 K(NO3)
H2O2(ac) + KOH(ac) + CrCl3(ac) = K2CrO4(ac) + KCl(ac) + H2O(l) =>
3 H2O2(ac) + 10 KOH(ac) + 2 CrCl3(ac) = 2 K2CrO4(ac) + 6 KCl(ac) + 8 H2O(l)
Cr2O72{-} + SO32{-} + H3O{+} = Cr3{+} + SO42{-} + H2O =>
60 Cr2O72{-} + 427 SO32{-} + 100 H3O{+} = 40 Cr3{+} + 427 SO42{-} + 150 H2O
C14H10O2 + NaBH4 + EtOH = C14H12O2 + NaB(OEt)4 =>
4 C14H10O2 + NaBH4 + 4 EtOH = 4 C14H12O2 + NaB(OEt)4
C2H2O4 + CuO = CO2 + H2O + Cu =>
C2H2O4 + CuO = 2 CO2 + H2O + Cu
P + Cl2 + H2O = H3PO3 + HCl =>
2 P + 3 Cl2 + 6 H2O = 2 H3PO3 + 6 HCl
C2H6O = C2H4 + H2O =>
C2H6O = C2H4 + H2O
NH4Br + Cu = CuBr2 + NH3 + H2 =>
2 NH4Br + Cu = CuBr2 + 2 NH3 + H2
HCI + CaCO3 = CaCI2 + H2O + CO =>
2 HCI + CaCO3 = CaCI2 + H2O + 2 CO
Al + HNO3 + NaOH = Na2AlO2 + NH3 + H2O =>
4 Al + HNO3 + 8 NaOH = 4 Na2AlO2 + NH3 + 3 H2O
LiHO + Fe(NO3)3 = LiNO3 + Fe(OH)3 =>
3 LiHO + Fe(NO3)3 = 3 LiNO3 + Fe(OH)3
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
KMnO4 + OHCCHO + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 =>
6 KMnO4 + 5 OHCCHO + 9 H2SO4 = 6 MnSO4 + 10 CO2 + 14 H2O + 3 K2SO4
Na2SO4 + H3PO4 = Na3PO4 + H2SO4 =>
3 Na2SO4 + 2 H3PO4 = 2 Na3PO4 + 3 H2SO4
C2H5OH(l) + O2(g) = CO3(g) + H2O(l) =>
C2H5OH(l) + 4 O2(g) = 2 CO3(g) + 3 H2O(l)
CH3OH + NH3 = CH3O + NH4 =>
CH3OH + NH3 = CH3O + NH4
Na2CO3 + ZrO2 + SiO2 + NH4H2PO4 = Na3Zr2Si2PO12 + CO2 + NH3 + H2O =>
3 Na2CO3 + 4 ZrO2 + 4 SiO2 + 2 NH4H2PO4 = 2 Na3Zr2Si2PO12 + 3 CO2 + 2 NH3 + 3 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
FeCl2 + CS2 = Fe + S + CCl4 =>
2 FeCl2 + CS2 = 2 Fe + 2 S + CCl4
S4O6{2-} + Al + H{+} = H2S + Al{3+} + H2O =>
S4O6{2-} + 6 Al + 20 H{+} = 4 H2S + 6 Al{3+} + 6 H2O
C6H5CH2CH3 + O2 = CO2 + H2O =>
2 C6H5CH2CH3 + 21 O2 = 16 CO2 + 10 H2O
Cr(OH)3 + NaClO + Na2CO3 = Na2CrO4 + NaCl + H2O + CO2 =>
2 Cr(OH)3 + 3 NaClO + 2 Na2CO3 = 2 Na2CrO4 + 3 NaCl + 3 H2O + 2 CO2
Cu(NO3)2(aq) + NaOH(aq) = NaNO3(aq) + Cu(OH)2 =>
Cu(NO3)2(aq) + 2 NaOH(aq) = 2 NaNO3(aq) + Cu(OH)2
K2Cr2O7 + CH3OH + H2SO4 = K2SO4 + Cr2(SO4)3 + HCOOH + H2O =>
2 K2Cr2O7 + 3 CH3OH + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 HCOOH + 11 H2O
CO2 + H2O + NaC2H3O2 = NaHCO3 + HC2H3O2 =>
CO2 + H2O + NaC2H3O2 = NaHCO3 + HC2H3O2
C6H5CHO + H2O = C6H5CH2OH + C6H5COOH =>
2 C6H5CHO + H2O = C6H5CH2OH + C6H5COOH
CH5SO + O2 = CO2 + SO2 + H2O =>
4 CH5SO + 11 O2 = 4 CO2 + 4 SO2 + 10 H2O
AlHCl = Al + HCl =>
AlHCl = Al + HCl
CuO2 + H2SO4 = CuSO4 + OH =>
CuO2 + H2SO4 = CuSO4 + 2 OH
NH4Br + Cu = CuBr2 + H2 + NH3 =>
2 NH4Br + Cu = CuBr2 + H2 + 2 NH3
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
KNO3 + Ba(OH)2 = KOH + Ba(NO3)2 =>
2 KNO3 + Ba(OH)2 = 2 KOH + Ba(NO3)2
Fe(NO3)2 + AgF = FeF2 + AgNO3 =>
Fe(NO3)2 + 2 AgF = FeF2 + 2 AgNO3
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Équations équilibrées sur11/15/24
Équations équilibrées sur12/15/23
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