| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CH3COOH + 8 C3H7OH = 6 CH3COC3H7 + 8 H2O
Sn + Ni(NO3)2 = Sn(NO3)2 + Ni =>
Sn + Ni(NO3)2 = Sn(NO3)2 + Ni
Pb + Cu(NO3) = Pb(NO3)2 + Cu =>
Pb + 2 Cu(NO3) = Pb(NO3)2 + 2 Cu
Ca{+2} + H2O = CaOH + H{2} =>
Ca{+2} + H2O = CaOH + H{2}
B(NO3)3 + K2CO3 = B2(CO3)3 + KNO3 =>
2 B(NO3)3 + 3 K2CO3 = B2(CO3)3 + 6 KNO3
K2Cr2O7 + Na2S + H2SO4 = K2SO4 + Na2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 Na2S + 16 H2SO4 = 4 K2SO4 + 3 Na2SO4 + 4 Cr2(SO4)3 + 16 H2O
C6H5CH3 + O2 = H2O + CO2 =>
C6H5CH3 + 9 O2 = 4 H2O + 7 CO2
C2H9NaO5 + HCl = C2H10O5 + NaCl =>
C2H9NaO5 + HCl = C2H10O5 + NaCl
H2 + FeCl3 = HCl + Fe =>
3 H2 + 2 FeCl3 = 6 HCl + 2 Fe
C2H4(g) + O2(g) = CO2(g) + HO(g) =>
C2H4(g) + 4 O2(g) = 2 CO2(g) + 4 HO(g)
Ag + H2SO4 = AgSO4 + S02 + H2O =>
6 Ag + 8 H2SO4 = 6 AgSO4 + S02 + 8 H2O
Mn(NO3)2(H2O)4 + Gd(NO3)3(H2O)6 + C2H5NO2 = GdMnO3 + N2 + H2 + CO2 =>
2 Mn(NO3)2(H2O)4 + 2 Gd(NO3)3(H2O)6 + 22 C2H5NO2 = 2 GdMnO3 + 16 N2 + 75 H2 + 44 CO2
Si + HNO3 + HCl = H2SiCl6 + NO + H2O =>
3 Si + 4 HNO3 + 18 HCl = 3 H2SiCl6 + 4 NO + 8 H2O
CH3CHOHCH3 + K2Cr2O7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
CH3CHOHCH3 + 2 K2Cr2O7 + 8 H2SO4 = 3 HCOOH + 2 Cr2(SO4)3 + 2 K2SO4 + 9 H2O
H2O(l) = H(g) + O2 =>
2 H2O(l) = 4 H(g) + O2
KNO3(aq) + NaCl(aq) = NaNO3(aq) + KCl(aq) =>
KNO3(aq) + NaCl(aq) = NaNO3(aq) + KCl(aq)
NH3 + CuSO4 = [Cu(NH3)]4 + SO4 =>
4 NH3 + 4 CuSO4 = [Cu(NH3)]4 + 4 SO4
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
HCO3{-} + H2 + H{+} = CH4 + H2O =>
HCO3{-} + 4 H2 + H{+} = CH4 + 3 H2O
(NH4)2MoO4 + SnCl2 + HCl = Mo5O14 + (NH4)2SnCl6 + NH4Cl + H2O =>
5(NH4)2MoO4 + SnCl2 + 12 HCl = Mo5O14 + (NH4)2SnCl6 + 8 NH4Cl + 6 H2O
Al(No3)3 + Ga = (No3) + AlGa =>
Al(No3)3 + Ga = 3(No3) + AlGa
Sn3(PO4)4 + BaCO3 = Sn2(CO3)4 + Ba3(PO4)2 =>
2 Sn3(PO4)4 + 12 BaCO3 = 3 Sn2(CO3)4 + 4 Ba3(PO4)2
CN + OCl + H2O = N2 + HCO3 + Cl =>
2 CN + 5 OCl + H2O = N2 + 2 HCO3 + 5 Cl
Li2CO3 + CH3COOH = CH3COOHLi + H2O + CO2 =>
4 Li2CO3 + 9 CH3COOH = 8 CH3COOHLi + 2 H2O + 6 CO2
Al + H(SO4) = Al(SO4) + H2 =>
2 Al + 2 H(SO4) = 2 Al(SO4) + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cu + HNO3 = H2 + Cu(NO3) =>
2 Cu + 2 HNO3 = H2 + 2 Cu(NO3)
K2SO4 = K + SO4 =>
K2SO4 = 2 K + SO4
Li2O6 + Co = Co9O18 + Li8 =>
12 Li2O6 + 36 Co = 4 Co9O18 + 3 Li8
Al + Mn(SO4)2 = Mn + Al2(SO4)3 =>
4 Al + 3 Mn(SO4)2 = 3 Mn + 2 Al2(SO4)3
KBr + F2 = K + FBr =>
2 KBr + F2 = 2 K + 2 FBr
P + O3 = P4O6 =>
4 P + 2 O3 = P4O6
C2H2Cl2 + H2 = C2H4Cl2 =>
C2H2Cl2 + H2 = C2H4Cl2
NO2(g) + H2O(l) = NH3(aq) + O2(g) =>
4 NO2(g) + 6 H2O(l) = 4 NH3(aq) + 7 O2(g)
No3 = No2 =>
2 No3 = 3 No2
CoCl3 + KNO2 = K3[Co(NO2)6] + KCl =>
CoCl3 + 6 KNO2 = K3[Co(NO2)6] + 3 KCl
HCI + NaCI = HCINaCI =>
HCI + NaCI = HCINaCI
Cu2S + MnO4{-} + H{+} = HSO4{-} + Cu{2+} + Mn{2+} + H2O =>
Cu2S + 2 MnO4{-} + 9 H{+} = HSO4{-} + 2 Cu{2+} + 2 Mn{2+} + 4 H2O
C + H + O = C8H18O =>
8 C + 18 H + O = C8H18O
C2H5OH + H2SO4 + K2Cr2O7 = C2H4O + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + 4 H2SO4 + K2Cr2O7 = 3 C2H4O + Cr2(SO4)3 + K2SO4 + 7 H2O
CH3COONa + AgNO3 = AgCOONa + CH3NO3 =>
CH3COONa + AgNO3 = AgCOONa + CH3NO3
NH4ClO3 = Cl2 + H2O + NH3 + O2 =>
4 NH4ClO3 = 2 Cl2 + 2 H2O + 4 NH3 + 5 O2
K2(CrO4) + CuCl2 = Cu(CrO4) + KCl =>
K2(CrO4) + CuCl2 = Cu(CrO4) + 2 KCl
PbCO3 + FeSO4 = PbSO4 + FeCO3 =>
PbCO3 + FeSO4 = PbSO4 + FeCO3
C4H6BaO4 + (NH4)2SO4 = (C4H6)2SO4 + NH4BaO4 =>
2 C4H6BaO4 + (NH4)2SO4 = (C4H6)2SO4 + 2 NH4BaO4
C7H16 + Br = CH3Br + C6H13 =>
C7H16 + Br = CH3Br + C6H13
NH3 + HBr = Br(NH)2 + H2 =>
4 NH3 + 2 HBr = 2 Br(NH)2 + 5 H2
CoF2 + H2SO4 + KMnO4 = Co2(SO4)3 + K2SO4 + MnSO4 + F + H2O =>
10 CoF2 + 24 H2SO4 + 6 KMnO4 = 5 Co2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 20 F + 24 H2O
H2SO4(aq) + NaOH = Na2SO4 + H2O(l) =>
H2SO4(aq) + 2 NaOH = Na2SO4 + 2 H2O(l)
NH4 + KI = NI + KH4 =>
NH4 + KI = NI + KH4
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