| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Ca2(s) + 2 N2(g) = 2 Ca3N2(s)
CH3(CH2)29CH3 + O2 = CO2 + H2O =>
CH3(CH2)29CH3 + 47 O2 = 31 CO2 + 32 H2O
Na + FePO4 = Na3PO4 + Fe =>
3 Na + FePO4 = Na3PO4 + Fe
Fe(BrO4)3 = FeBr3 + O2 =>
Fe(BrO4)3 = FeBr3 + 6 O2
NHN = NN + HH =>
2 NHN = 2 NN + HH
NaI + K2S2O8 = K2I2 + SO4 + Na =>
2 NaI + K2S2O8 = K2I2 + 2 SO4 + 2 Na
CrCl3 + NaHCO3 + H2O = NaCl + Cr(OH)3 + H2CO3 =>
CrCl3 + 3 NaHCO3 + 3 H2O = 3 NaCl + Cr(OH)3 + 3 H2CO3
SiCl4 + KOH = K2SiO3 + KCl + H2O =>
SiCl4 + 6 KOH = K2SiO3 + 4 KCl + 3 H2O
Li2CO3 + CsI = LiI + Cs2CO3 =>
Li2CO3 + 2 CsI = 2 LiI + Cs2CO3
Cu(OH)2 = CuO + H2O(g) =>
Cu(OH)2 = CuO + H2O(g)
K2Cr2O7 + BaCl2 + H2SO4 = Cl + Cr2(SO4)3 + BaSO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 BaCl2 + 7 H2SO4 = 6 Cl + Cr2(SO4)3 + 3 BaSO4 + K2SO4 + 7 H2O
NaOH + Fe(NO3)3*9H2O + SiC8H20O4 = Na2FeSiO4 + NH3 + CO2 + H2 + O2 =>
4 NaOH + 2 Fe(NO3)3*9H2O + 2 SiC8H20O4 = 2 Na2FeSiO4 + 6 NH3 + 16 CO2 + 31 H2 + 4 O2
C6H4Br2Mg + H2 + C = C10H13Br + Mg =>
C6H4Br2Mg + 11 H2 + 14 C = 2 C10H13Br + Mg
Ca(OH)2 + CH3CO2H = H2O + CO2 + Ca(CH3)2 =>
Ca(OH)2 + 2 CH3CO2H = 2 H2O + 2 CO2 + Ca(CH3)2
H2OTiOSO4 + H2O = TiO(OH)2 + H2SO4 =>
H2OTiOSO4 + H2O = TiO(OH)2 + H2SO4
NH4Cl + Ca(OH) = CaCl + NH3 + H2O =>
NH4Cl + Ca(OH) = CaCl + NH3 + H2O
Na2CO3 + H2SO4 + KI = K2SO4 + NaI + H2O + CO2 =>
Na2CO3 + H2SO4 + 2 KI = K2SO4 + 2 NaI + H2O + CO2
Cu + HC1 = CuC1 + H =>
Cu + HC1 = CuC1 + H
SiCl4(s) + Si(g) = Si2Cl6(s) =>
3 SiCl4(s) + Si(g) = 2 Si2Cl6(s)
NH4ClO4 + Zn = ZnO + ZnCl2 + H2O + N2 =>
2 NH4ClO4 + 5 Zn = 4 ZnO + ZnCl2 + 4 H2O + N2
CO + H2O = C2H12O + O2 =>
4 CO + 12 H2O = 2 C2H12O + 7 O2
Zn + BaCl2 = BaZn + Cl =>
Zn + BaCl2 = BaZn + 2 Cl
NH4OH + H2O = NH5OH + OH =>
NH4OH + H2O = NH5OH + OH
H{+} + MnO4{2-} + CH3CH2OH = Mn{2+} + CH3COOH + H2 =>
4 H{+} + MnO4{2-} + 4 CH3CH2OH = Mn{2+} + 4 CH3COOH + 6 H2
K2CO3 + Fe(NO3)2 = K2(NO3)2 + FeCO3 =>
K2CO3 + Fe(NO3)2 = K2(NO3)2 + FeCO3
K + KNO3 = N2 + KO2 =>
K + 2 KNO3 = N2 + 3 KO2
H2F2 = HF =>
H2F2 = 2 HF
Fe2(C2O4)2 + KMnO4 + H2SO4 = FeSO4 + K2SO4 + MnSO4 + CO2 + H2O =>
5 Fe2(C2O4)2 + 4 KMnO4 + 16 H2SO4 = 10 FeSO4 + 2 K2SO4 + 4 MnSO4 + 20 CO2 + 16 H2O
CaCl2(aq) + Na2CO3(aq) = NaCl(aq) + CaCO3(s) =>
CaCl2(aq) + Na2CO3(aq) = 2 NaCl(aq) + CaCO3(s)
C3H89(g) + O2(g) = CO2(g) + H2O(g) =>
4 C3H89(g) + 101 O2(g) = 12 CO2(g) + 178 H2O(g)
Mg(SO4)2 + PbNO3 = Mg(NO3)2 + PbSO4 =>
Mg(SO4)2 + 2 PbNO3 = Mg(NO3)2 + 2 PbSO4
CO2 + SO2 = SCO4 =>
CO2 + SO2 = SCO4
KNO2(s) + C(s) = K2CO3(s) + CO(g) + N2(g) =>
2 KNO2(s) + 2 C(s) = K2CO3(s) + CO(g) + N2(g)
Cr + (OH)3 + HCl = CrCl3 + H2O =>
Cr + (OH)3 + 3 HCl = CrCl3 + 3 H2O
CH3CHO + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CHO + Cr2O7{2-} + 8 H{+} = 3 CH3COOH + 2 Cr{3+} + 4 H2O
Zn + Fe(OH)2 = Zn(OH)2 + Fe =>
Zn + Fe(OH)2 = Zn(OH)2 + Fe
KIO3(aq) + AgNO3(aq) = KNO3(aq) + AgIO3(s) =>
KIO3(aq) + AgNO3(aq) = KNO3(aq) + AgIO3(s)
MnCl2 + Na3PO4 = MnNa3Cl2PO4 =>
MnCl2 + Na3PO4 = MnNa3Cl2PO4
(NH4)3(PO4) + Na2(SO4) = (NH4)2(SO4) + (Na)3(PO4) =>
2(NH4)3(PO4) + 3 Na2(SO4) = 3(NH4)2(SO4) + 2(Na)3(PO4)
C(s) + H2SO4(l) = CO2(g) + SO2(g) + H2O =>
C(s) + 2 H2SO4(l) = CO2(g) + 2 SO2(g) + 2 H2O
Ti2CrO4 = Ti + CrO4 =>
Ti2CrO4 = 2 Ti + CrO4
KHS + KMnO4 + H2O = KOH + MnO2 + K2SO4 =>
3 KHS + 8 KMnO4 + H2O = 5 KOH + 8 MnO2 + 3 K2SO4
CO2 + H2O + NaCl = NaHCO3 + H2 + Cl2 =>
2 CO2 + 2 H2O + 2 NaCl = 2 NaHCO3 + H2 + Cl2
H2CrO4(s) + Ba(s) = BaCrO4(s) + H2(g) =>
H2CrO4(s) + Ba(s) = BaCrO4(s) + H2(g)
KMnO4(aq) + HCl(aq) = MnCl2(aq) + KCl(aq) + H2O(l) + Cl2(g) =>
2 KMnO4(aq) + 16 HCl(aq) = 2 MnCl2(aq) + 2 KCl(aq) + 8 H2O(l) + 5 Cl2(g)
Cr(CH3CO2)3 + Na3PO4 = CrPO4 + NaCH3COO =>
Cr(CH3CO2)3 + Na3PO4 = CrPO4 + 3 NaCH3COO
CH3OH + H2SO4 = HSO4 + CH3OH2 =>
CH3OH + H2SO4 = HSO4 + CH3OH2
NH4 + NO3 = N + H2O =>
3 NH4 + 2 NO3 = 5 N + 6 H2O
H2F2 = HF =>
H2F2 = 2 HF
Cu(NO3)2(aq) + NaI(aq) = (CuI2)(s)* + Na(NO3)(aq) =>
Cu(NO3)2(aq) + 2 NaI(aq) = (CuI2)(s)* + 2 Na(NO3)(aq)
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Équations équilibrées sur11/22/24
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