| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C2H7(OH) + 7 O2 = 4 CO2 + 8 H2O
Fe(OH)2 + NaOH = Na2(Fe(OH)4) =>
Fe(OH)2 + 2 NaOH = Na2(Fe(OH)4)
C9H12 + K2Cr2O7 + H2SO4 = C9H6O6 + K2SO4 + Cr2(SO4)3 + H2O =>
C9H12 + 3 K2Cr2O7 + 12 H2SO4 = C9H6O6 + 3 K2SO4 + 3 Cr2(SO4)3 + 15 H2O
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Na + S = Na2S =>
2 Na + S = Na2S
Mg + HCI = Mg2CI + H2 =>
4 Mg + 2 HCI = 2 Mg2CI + H2
FeCl3 + H2S = FeCl2HCl + S =>
2 FeCl3 + H2S = 2 FeCl2HCl + S
Mg(OH)2(s) + HNO3(aq) = Mg(NO3)2(aq) + H2O =>
Mg(OH)2(s) + 2 HNO3(aq) = Mg(NO3)2(aq) + 2 H2O
CH4 + KMnO4 = C2O4K2 + MnO2 + KOH + H2O =>
6 CH4 + 14 KMnO4 = 3 C2O4K2 + 14 MnO2 + 8 KOH + 8 H2O
SiO2 + HF = SiF + O2H =>
SiO2 + HF = SiF + O2H
HZCO3 = CO2 + HZO =>
HZCO3 = CO2 + HZO
BeCl2 + Ag(NO3) = Be(NO3)2 + AgCl =>
BeCl2 + 2 Ag(NO3) = Be(NO3)2 + 2 AgCl
Ba(ClO4)2 + RbOH = Ba(OH)2 + Rb(ClO4) =>
Ba(ClO4)2 + 2 RbOH = Ba(OH)2 + 2 Rb(ClO4)
(C5H12O) + O2 = CO2 + H2O =>
2(C5H12O) + 15 O2 = 10 CO2 + 12 H2O
NaI + Ba(SO4) = Na2SO4 + BaI2 =>
2 NaI + Ba(SO4) = Na2SO4 + BaI2
KMnO4 + NaHCO3 = (OH)2 + MnO2 + KOH + NaCO3 =>
2 KMnO4 + 4 NaHCO3 = (OH)2 + 2 MnO2 + 2 KOH + 4 NaCO3
CuSO4 + H2O = [Cu(OH)]2SO4 + H2SO4 =>
2 CuSO4 + 2 H2O = [Cu(OH)]2SO4 + H2SO4
MnO4{-} + NO2{2-} + H{+} = Mn2{+} + NO3{-} + H2O =>
6 MnO4{-} + 13 NO2{2-} + 22 H{+} = 3 Mn2{+} + 13 NO3{-} + 11 H2O
Zn + H2SO4 = H2 + ZnSO4 =>
Zn + H2SO4 = H2 + ZnSO4
C2H5NO2 + C4H6O3 = C4H7NO3 + C2H4O2 =>
C2H5NO2 + C4H6O3 = C4H7NO3 + C2H4O2
Au2O3 + HNO3 = Au(NO3)3 + H2O =>
Au2O3 + 6 HNO3 = 2 Au(NO3)3 + 3 H2O
KCl + P = K3P + Cl2 =>
6 KCl + 2 P = 2 K3P + 3 Cl2
H + N2O3 = H2O + N3 =>
18 H + 3 N2O3 = 9 H2O + 2 N3
Na + S = Na2S =>
2 Na + S = Na2S
Na2SO3 + Br2 + H2SO4 = Na2SO4 + HBr + SO2 =>
2 Na2SO3 + Br2 + H2SO4 = 2 Na2SO4 + 2 HBr + SO2
H{+} + SO4{-2} + {-} = S{-2} + H2O =>
8 H{+} + SO4{-2} + 8e = S{-2} + 4 H2O
C12H22O11 + [Ag(NH3)2]OH = C12H22O12 + Ag + NH3 + H2O =>
C12H22O11 + 2[Ag(NH3)2]OH = C12H22O12 + 2 Ag + 4 NH3 + H2O
CuSO4 + KI = CuKI + SO4 =>
CuSO4 + KI = CuKI + SO4
Mn(s) + O2(g) = MnO(s) =>
2 Mn(s) + O2(g) = 2 MnO(s)
(c)C7H16(l) + O2(g) = CO2(g) + H2O(g) =>
(c)C7H16(l) + 11 O2(g) = 7 CO2(g) + 8 H2O(g)
C20H42 = C10H22 + C20H20 =>
12 C20H42 = 22 C10H22 + C20H20
CrI3 + KOH + Cl2 = K2CrO4 + KIO4 + KCl + H2O =>
2 CrI3 + 64 KOH + 27 Cl2 = 2 K2CrO4 + 6 KIO4 + 54 KCl + 32 H2O
H3(C6H5O7) + NaHCO3 = Na3C6H5O7 + H2O + CO2 =>
H3(C6H5O7) + 3 NaHCO3 = Na3C6H5O7 + 3 H2O + 3 CO2
Zn + S + Se = ZnSSe =>
Zn + S + Se = ZnSSe
NaBr + H3PO4 = HBr + NaH2PO4 =>
NaBr + H3PO4 = HBr + NaH2PO4
C6H5CHO + KMnO4 + KOH = C6H5COOH + K2MnO4 + H2O =>
C6H5CHO + 2 KMnO4 + 2 KOH = C6H5COOH + 2 K2MnO4 + H2O
Al + H2SO4 = H + Al2SO4 =>
2 Al + H2SO4 = 2 H + Al2SO4
(NH4)2HPO4 = NH3 + H3PO4 =>
(NH4)2HPO4 = 2 NH3 + H3PO4
H + CH3CO2 = HCH3CO2 =>
H + CH3CO2 = HCH3CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cr2O7{-} + HNO2 + H{+} = Cr{3+} + NO3{-} + H2O =>
2 Cr2O7{-} + 7 HNO2 + 7 H{+} = 4 Cr{3+} + 7 NO3{-} + 7 H2O
ZnBr2 + H2Co3 = ZnCo3 + HBr =>
ZnBr2 + H2Co3 = ZnCo3 + 2 HBr
CuSO4*5H2O + Fe = FeCuSO4 + H2O =>
CuSO4*5H2O + Fe = FeCuSO4 + 5 H2O
Co + Cl2 = Co2Cl2 =>
2 Co + Cl2 = Co2Cl2
PHCH3 + KMnO4 + H2SO4 = PHCOOH + K2SO4 + MnSO4 + H2O =>
5 PHCH3 + 6 KMnO4 + 9 H2SO4 = 5 PHCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
FeCl2*4H2O + NH3H2O + NH4H2PO4 + H2O2 = Fe2(PO4)2*2H2O + NH4Cl + H2O =>
2 FeCl2*4H2O + 2 NH3H2O + 2 NH4H2PO4 + H2O2 = Fe2(PO4)2*2H2O + 4 NH4Cl + 10 H2O
Ba(Cl)2 + Ca(NO3)2 = Ba(NO3)2 + Ca(Cl)2 =>
Ba(Cl)2 + Ca(NO3)2 = Ba(NO3)2 + Ca(Cl)2
MgOH + HBr2 = MgBr2 + H2O =>
MgOH + HBr2 = MgBr2 + H2O
C20H42 = C10H22 + C20H20 =>
12 C20H42 = 22 C10H22 + C20H20
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/11/24
Équations équilibrées sur11/10/23
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