| Équations équilibrées la veille |
Na2O + H2SO3 = H2O + Na2SO3
B2H6 + NaH = B2H2 + NaH5 =>
B2H6 + NaH = B2H2 + NaH5
MnO2 + KNO3 + NaOH = NaMnO4 + KNO2 + H2O =>
2 MnO2 + 3 KNO3 + 2 NaOH = 2 NaMnO4 + 3 KNO2 + H2O
Fe3 + BrO3 = Fe(BrO3)3 =>
Fe3 + 9 BrO3 = 3 Fe(BrO3)3
C18H36O02 + O2 = CO2 + H2O =>
C18H36O02 + 26 O2 = 18 CO2 + 18 H2O
ZnS(s) + AlP(s) = Al2S3(s) + Zn3P2(s) =>
3 ZnS(s) + 2 AlP(s) = Al2S3(s) + Zn3P2(s)
Na(CO3)2 + CH3COOH = CH3COONa + H2O + CO2 =>
8 Na(CO3)2 + 11 CH3COOH = 8 CH3COONa + 10 H2O + 22 CO2
Mn + HNO3 = Mn{2+} + NO3{-} + H2 =>
Mn + 2 HNO3 = Mn{2+} + 2 NO3{-} + H2
HgCl2 + Na2S2O3 + H2O = HgS + HCl + Na2SO4 =>
HgCl2 + Na2S2O3 + H2O = HgS + 2 HCl + Na2SO4
Fe(C2H3O2)2 + K3PO4 = Fe3(PO4)2 + KC2H3O2 =>
3 Fe(C2H3O2)2 + 2 K3PO4 = Fe3(PO4)2 + 6 KC2H3O2
CuO2 + NH4 = Cu + H2O + N =>
CuO2 + NH4 = Cu + 2 H2O + N
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C31H64(s) + O2(g) = CO2(g) + H2O(l) =>
C31H64(s) + 47 O2(g) = 31 CO2(g) + 32 H2O(l)
K2ClO3 + HI + H2SO4 = KHSO4 + HCl + I2 + H2O =>
2 K2ClO3 + 10 HI + 4 H2SO4 = 4 KHSO4 + 2 HCl + 5 I2 + 6 H2O
Cl2 + CaI2 = I2Cl + Ca2 =>
Cl2 + 2 CaI2 = 2 I2Cl + Ca2
H2Cr2O7 + HI = CrI3 + I2 + H2O =>
H2Cr2O7 + 12 HI = 2 CrI3 + 3 I2 + 7 H2O
Al2(SO4)3 = Al2O3 + SO2 + O2 =>
2 Al2(SO4)3 = 2 Al2O3 + 6 SO2 + 3 O2
CH + S = CS2 + H2S =>
2 CH + 5 S = 2 CS2 + H2S
KMnO4 + Fe(NO2)2 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + HNO3 + H2O =>
2 KMnO4 + 2 Fe(NO2)2 + 6 H2SO4 = K2SO4 + 2 MnSO4 + Fe2(SO4)3 + 4 HNO3 + 4 H2O
HMnO4 = MnO2 + H2O + O2 =>
4 HMnO4 = 4 MnO2 + 2 H2O + 3 O2
He + S = HeS =>
He + S = HeS
C7H10O + NaBH4 = C7H12O + NaB =>
2 C7H10O + NaBH4 = 2 C7H12O + NaB
C4H9OH + CuO = (t)C3H7COOH + Cu + H2O =>
C4H9OH + 2 CuO = (t)C3H7COOH + 2 Cu + H2O
Cu(i) + O2 = Cu2O =>
4 Cu(i) + O2 = 2 Cu2O
Fe(NO3)2 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + KNO3 =>
3 Fe(NO3)2 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 6 KNO3
Fe2 + Cu2SO4 = FeSO4 + Cu =>
Fe2 + 2 Cu2SO4 = 2 FeSO4 + 4 Cu
H3 + O3 = H2O =>
2 H3 + O3 = 3 H2O
NaHSO4 + HNO3 = NaNO3 + H2SO4 =>
NaHSO4 + HNO3 = NaNO3 + H2SO4
Al + Cu(C2H3O2)2 = Cu + Al(C2H3O2)2 =>
Al + Cu(C2H3O2)2 = Cu + Al(C2H3O2)2
Ni(NH3)6Cl2 + HCl = NiCl2 + NH4Cl =>
Ni(NH3)6Cl2 + 6 HCl = NiCl2 + 6 NH4Cl
LiCl + YCl3 = Li3YCl6 =>
3 LiCl + YCl3 = Li3YCl6
Ba + FeAs = BaFe4As4 =>
Ba + 4 FeAs = BaFe4As4
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3 = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
C3H8(g) + O2(aq) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(aq) = 3 CO2(g) + 4 H2O(g)
BaCl2H2O + AgNO3 = Ba(NO3)2 + AgCl + H2O =>
BaCl2H2O + 2 AgNO3 = Ba(NO3)2 + 2 AgCl + H2O
Al2O3 + Cl2O = Al(ClO)3 =>
Al2O3 + 3 Cl2O = 2 Al(ClO)3
Li2S + HNO3 = LiNO3 + NO2 + S + H2O =>
Li2S + 4 HNO3 = 2 LiNO3 + 2 NO2 + S + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CO2 + H2O = C8H18 + O2 =>
16 CO2 + 18 H2O = 2 C8H18 + 25 O2
ClH2Br + NaK(OH)2 = NaKClBr + H2O =>
ClH2Br + NaK(OH)2 = NaKClBr + 2 H2O
SO2 + AgNO3 = S(NO3)2 + AgO =>
SO2 + 2 AgNO3 = S(NO3)2 + 2 AgO
C6H8O7 + CO(NH2)2 = C6H5NO4 + NH3 + CO2 =>
C6H8O7 + 3 CO(NH2)2 = C6H5NO4 + 5 NH3 + 3 CO2
Zn + HNO3(aq) = Zn(NO3)2(aq) + H2(g) =>
Zn + 2 HNO3(aq) = Zn(NO3)2(aq) + H2(g)
Mg(NO3)2 + Cr(NO3)3 + Fe(NO3)3 + C2H6N4O2 = CrMgFe2O4 + CO2 + H2O + N2 =>
10 Mg(NO3)2 + 10 Cr(NO3)3 + 20 Fe(NO3)3 + 58 C2H6N4O2 = 10 CrMgFe2O4 + 116 CO2 + 174 H2O + 171 N2
C10H4 + CuO = Cu + CO2 + H2O =>
C10H4 + 22 CuO = 22 Cu + 10 CO2 + 2 H2O
He = He{+} + e =>
He = He{+} + e
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Br + MgI2 = BrI + Mg =>
2 Br + MgI2 = 2 BrI + Mg
Al2(SO4)3 + NaHCO3 + H2O = Al(OH)3 + CO2 + NaHSO4 =>
Al2(SO4)3 + 3 NaHCO3 + 3 H2O = 2 Al(OH)3 + 3 CO2 + 3 NaHSO4
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Équations équilibrées sur10/26/24
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