| Équations équilibrées la veille | Équations équilibrées le lendemain |
HF + Ca(OH)2 = CaF(OH) + H2O
H2C2H2 + Cl2 = C2H4Cl2 =>
H2C2H2 + Cl2 = C2H4Cl2
NaBr + Ca(NO3)2 = Na(NO3)2 + CaBr =>
NaBr + Ca(NO3)2 = Na(NO3)2 + CaBr
FeS2 + H2SO4 = Fe2(SO4)3 + S + H2O =>
2 FeS2 + 4 H2SO4 = Fe2(SO4)3 + 5 S + 4 H2O
HBrO3 + Al = Br + Al2O3 + H2 =>
2 HBrO3 + 4 Al = 2 Br + 2 Al2O3 + H2
[Cr(N2H4CO)6]4[Cr(CN)6]3 + KM12O4 + H2SO4 = K2CrO7 + M12SO4 + CO2 + KNO3 + K2SO4 + H2O =>
[Cr(N2H4CO)6]4[Cr(CN)6]3 + 126 KM12O4 + 149 H2SO4 = 7 K2CrO7 + 126 M12SO4 + 42 CO2 + 66 KNO3 + 23 K2SO4 + 197 H2O
PBr5 = P + Br =>
PBr5 = P + 5 Br
Na2ZnO2 + CO2 + H2O = Zn(OH)2 + NaHCO3 =>
Na2ZnO2 + 2 CO2 + 2 H2O = Zn(OH)2 + 2 NaHCO3
Mg + Al2(CrO4)3 = MgCrO4 + Al =>
3 Mg + Al2(CrO4)3 = 3 MgCrO4 + 2 Al
CO(NH2)2 + O2 = CO2 + H2O + NOO =>
2 CO(NH2)2 + 7 O2 = 2 CO2 + 4 H2O + 4 NOO
SiF4 + NH3 = Si3N4 + HF =>
3 SiF4 + 4 NH3 = Si3N4 + 12 HF
C4H10O + C2H5COOH = C6H12O2 + H2O =>
3 C4H10O + 4 C2H5COOH = 4 C6H12O2 + 3 H2O
Cr + Mg(NO3)2 = Mg + Cr(NO3)2 =>
Cr + Mg(NO3)2 = Mg + Cr(NO3)2
KOH + Sn(OH)2 = K2SnO2 + H2O =>
2 KOH + Sn(OH)2 = K2SnO2 + 2 H2O
Ba + S = BaS(s) =>
Ba + S = BaS(s)
Cr2O3 + KNO3 = CrO3 + KNO2 =>
Cr2O3 + 3 KNO3 = 2 CrO3 + 3 KNO2
CO2(g) + H2O(l) = CO2H2O =>
CO2(g) + H2O(l) = CO2H2O
Pb + H2 = Pb3H4 =>
3 Pb + 2 H2 = Pb3H4
CH3OH + BF3 = CHOH + BH3 + F =>
3 CH3OH + 2 BF3 = 3 CHOH + 2 BH3 + 6 F
Mg(OH)2 + HNO3 = Mg + H3O5N =>
Mg(OH)2 + HNO3 = Mg + H3O5N
KClO3 + HCl = HClO + KCl =>
KClO3 + 3 HCl = 3 HClO + KCl
CH3 + O2 = CHO + H2O =>
CH3 + O2 = CHO + H2O
MnO4{-} + C4H4O6{-2} + H{+} = Mn{+2} + CO2 + H2O =>
2 MnO4{-} + C4H4O6{-2} + 8 H{+} = 2 Mn{+2} + 4 CO2 + 6 H2O
Cl2H + O2 = Cl + H2O =>
4 Cl2H + O2 = 8 Cl + 2 H2O
CaCO3 + C2H3O2 = Ca(C2H3O2) + CO2 + H2O =>
7 CaCO3 + 9 C2H3O2 = 7 Ca(C2H3O2) + 11 CO2 + 3 H2O
C4H8Cl2 + Zn = C4H8 + ZnCl2 =>
C4H8Cl2 + Zn = C4H8 + ZnCl2
CuSO4 + Na2S2O3 = Cu2S + Na2SO4 + SO2 =>
2 CuSO4 + 2 Na2S2O3 = Cu2S + 2 Na2SO4 + 3 SO2
(NH4)2(CO3) = (NH4)2O + CO2 =>
(NH4)2(CO3) = (NH4)2O + CO2
Re + B = Re23B6 =>
23 Re + 6 B = Re23B6
NH4NO3(s) + C17H36(l) = N2(g) + CO2(g) + H2O(g) =>
52 NH4NO3(s) + C17H36(l) = 52 N2(g) + 17 CO2(g) + 122 H2O(g)
Al(OH)3 + CH3COOH = AlCO2H + CH3(OH)3 =>
Al(OH)3 + CH3COOH = AlCO2H + CH3(OH)3
Cu + Zn(NO3) = Cu(NO3)2 + Zn =>
Cu + 2 Zn(NO3) = Cu(NO3)2 + 2 Zn
FeSO4*7H2O + NaOH = FeOH + NaSO4 + H2O =>
FeSO4*7H2O + NaOH = FeOH + NaSO4 + 7 H2O
Mg + Zn(OH)2 = Mg2ZnO2 + H2 =>
2 Mg + Zn(OH)2 = Mg2ZnO2 + H2
NH3 + Co(NO3)2 = NH3(NO3)2 + Co =>
NH3 + Co(NO3)2 = NH3(NO3)2 + Co
MnO4{-} + H{+} + C2H6O = C2H4O2 + Mn{+2} + H2O =>
4 MnO4{-} + 12 H{+} + 5 C2H6O = 5 C2H4O2 + 4 Mn{+2} + 11 H2O
KI + H2SO4 + Mn2O4 = K2SO4MnSO4 + H2O + I2 =>
4 KI + 4 H2SO4 + Mn2O4 = 2 K2SO4MnSO4 + 4 H2O + 2 I2
Fe2(CO3)3 + HC2H3O2 = Fe(C2H3O2)3 + H2CO3 =>
Fe2(CO3)3 + 6 HC2H3O2 = 2 Fe(C2H3O2)3 + 3 H2CO3
(NH4)2O + H2SO4 = (NH4)2SO4 + H2O =>
(NH4)2O + H2SO4 = (NH4)2SO4 + H2O
H{+} + TeO2 + Rh + Cl{-} = RhCl6{-} + Te + H2O =>
20 H{+} + 5 TeO2 + 4 Rh + 24 Cl{-} = 4 RhCl6{-} + 5 Te + 10 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CoCl2 + NH4Cl + NH3 + H2O2 = [CoCl(NH3)5]Cl2 + H2O =>
2 CoCl2 + 2 NH4Cl + 8 NH3 + H2O2 = 2[CoCl(NH3)5]Cl2 + 2 H2O
Cr2O3 + H3PO4 = CrPO4*H2O + H2O =>
Cr2O3 + 2 H3PO4 = 2 CrPO4*H2O + H2O
MnO4{-} + I{-} + H2O = IO3{-} + MnO2 + OH{-} =>
2 MnO4{-} + I{-} + H2O = IO3{-} + 2 MnO2 + 2 OH{-}
CuSO4 + NH4OH = Cu(OH)2(NH4)2SO4 =>
CuSO4 + 2 NH4OH = Cu(OH)2(NH4)2SO4
C6H12O6 + Ag2O = Ag + CO2 + H2O =>
C6H12O6 + 12 Ag2O = 24 Ag + 6 CO2 + 6 H2O
BaCl2 + CaCl = BaCl + CaCl2 =>
BaCl2 + CaCl = BaCl + CaCl2
Mg3(PO4)2 + CaSO4 = MgSO4 + Ca3(PO4)2 =>
Mg3(PO4)2 + 3 CaSO4 = 3 MgSO4 + Ca3(PO4)2
S(s) + C(s) = CS2(g) =>
2 S(s) + C(s) = CS2(g)
HNO3 = H2O + NO2 + O4 =>
8 HNO3 = 4 H2O + 8 NO2 + O4
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