| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Si2H3 + 17 O2 = 8 SiO2 + 6 H2O3
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
Si2H3 + O2 = SiO + H2O =>
4 Si2H3 + 7 O2 = 8 SiO + 6 H2O
NaHCO3(s) = Na2O(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s) = Na2O(s) + 2 CO2(g) + H2O(g)
Cu + HCl = CuCl + H2 =>
2 Cu + 2 HCl = 2 CuCl + H2
H2O2 + N2H4 = HNO3 + H2O =>
7 H2O2 + N2H4 = 2 HNO3 + 8 H2O
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
P + CuSO4 + H2O = Cu + HPO3 + H2SO4 =>
2 P + 5 CuSO4 + 6 H2O = 5 Cu + 2 HPO3 + 5 H2SO4
La + HNO3 = La(NO3)3 + NH4NO3 + H2O =>
8 La + 30 HNO3 = 8 La(NO3)3 + 3 NH4NO3 + 9 H2O
Cr + Fe(NO3)2 = Fe + Cr(NO3)3 =>
2 Cr + 3 Fe(NO3)2 = 3 Fe + 2 Cr(NO3)3
NaCuCl2 + HCl + O2 = CuCl2 + NaCl + H2O =>
4 NaCuCl2 + 4 HCl + O2 = 4 CuCl2 + 4 NaCl + 2 H2O
*1N2 + H2 = *2NH3 =>
*1N2 + 3 H2 = *2NH3
Y2O3 + Cr2O3 + Re + ReO3 = YCr2ReO7 =>
3 Y2O3 + 6 Cr2O3 + Re + 5 ReO3 = 6 YCr2ReO7
ZnS + PbO = Pb + ZnO + SO2 =>
ZnS + 3 PbO = 3 Pb + ZnO + SO2
K2S + NaOH = K2NaS + OH =>
K2S + NaOH = K2NaS + OH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al2(SO4)3 + LiF = Al2F3 + LiSO4 =>
Al2(SO4)3 + 3 LiF = Al2F3 + 3 LiSO4
C8H17CHO + K2CrO4 + H2SO4 = C8H17COOH + K2SO4 + H2O + Cr2(SO4)3 =>
3 C8H17CHO + 2 K2CrO4 + 5 H2SO4 = 3 C8H17COOH + 2 K2SO4 + 5 H2O + Cr2(SO4)3
KCl + NaOH = KOHNaCl =>
KCl + NaOH = KOHNaCl
KI + FeCl3 = FeI2 + I2 + KCl =>
6 KI + 2 FeCl3 = 2 FeI2 + I2 + 6 KCl
Li3N + H2O = LiOH + NH3 =>
Li3N + 3 H2O = 3 LiOH + NH3
CoCl2*6H2O + CH3C(NOH)C(NOH)CH3 + NaOH + C5H5N = Co(C4H7N2O2)2(C5H5N) + H2O + NaCl =>
CoCl2*6H2O + 2 CH3C(NOH)C(NOH)CH3 + 2 NaOH + C5H5N = Co(C4H7N2O2)2(C5H5N) + 8 H2O + 2 NaCl
Na2CO3 + BaO + CuO + V2O5 = Na2BaCuV2O8 + CO2 =>
Na2CO3 + BaO + CuO + V2O5 = Na2BaCuV2O8 + CO2
FeCl3 + H2O = Fe(OH)3 + HCl =>
FeCl3 + 3 H2O = Fe(OH)3 + 3 HCl
H2C2O4 + K2CrO7 = CO2 + H2O + K2CrO4 =>
3 H2C2O4 + K2CrO7 = 6 CO2 + 3 H2O + K2CrO4
Br2 + H2C2O4 = HBr + CO2 =>
Br2 + H2C2O4 = 2 HBr + 2 CO2
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
C + *S8 = CS2 =>
4 C + *S8 = 4 CS2
H2(C2O4) + NaOH = H2OH + Na(C2O4) =>
H2(C2O4) + NaOH = H2OH + Na(C2O4)
C4H8Cl2 + Na = C4H8 + NaCl =>
C4H8Cl2 + 2 Na = C4H8 + 2 NaCl
(Cr(O2)4){3-} + H{+} = (HCrO2(O2)2){-} + O2 + H2O =>
4(Cr(O2)4){3-} + 8 H{+} = 4(HCrO2(O2)2){-} + 3 O2 + 2 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
(NH4)2S + Fe(NO3)2 = NH4NO3 + FeS =>
(NH4)2S + Fe(NO3)2 = 2 NH4NO3 + FeS
Na(s) + KNO3 = K2O(s) + Na2O(s) + N2(g) =>
10 Na(s) + 2 KNO3 = K2O(s) + 5 Na2O(s) + N2(g)
CO2 + Ba(OH)2 = BaCO3 + H2O =>
CO2 + Ba(OH)2 = BaCO3 + H2O
Ag + Pd(NO3)2 = AgNO3 + Pd =>
2 Ag + Pd(NO3)2 = 2 AgNO3 + Pd
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Al(OH)3(s) + NaOH(aq) = NaAlO2(aq) + H2O(l) =>
Al(OH)3(s) + NaOH(aq) = NaAlO2(aq) + 2 H2O(l)
NH2OH + H2O2 = H2O + N2 =>
2 NH2OH + H2O2 = 4 H2O + N2
Mg(s) + H2O(l) = Mg(OH)2 + H2 =>
Mg(s) + 2 H2O(l) = Mg(OH)2 + H2
NaOH(s) + CO2(g) = Na2CO3(s) + H2O(l) =>
2 NaOH(s) + CO2(g) = Na2CO3(s) + H2O(l)
(NH4)2CO3 + KOH = K2CO3 + H2O + NH3 =>
(NH4)2CO3 + 2 KOH = K2CO3 + 2 H2O + 2 NH3
PbSO4 + AgNO3 = Ag2SO4 + Pb(NO3)2 =>
PbSO4 + 2 AgNO3 = Ag2SO4 + Pb(NO3)2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
O2 + Cl = OCl2 =>
O2 + 4 Cl = 2 OCl2
Ga + O2 = Ga2O3 =>
4 Ga + 3 O2 = 2 Ga2O3
PCl3(l) + H2O(l) = H3PO3(aq) + HCl(g) =>
PCl3(l) + 3 H2O(l) = H3PO3(aq) + 3 HCl(g)
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Équations équilibrées sur01/07/25
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