| Équations équilibrées la veille |
6 Pb + 4 Fe2(SO4)3 = 3 Pb2(SO4)4 + 8 Fe
CdSO4(aq) + NaOH(aq) = Cd(OH)2(s) + Na2SO4(aq) =>
CdSO4(aq) + 2 NaOH(aq) = Cd(OH)2(s) + Na2SO4(aq)
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Cr(OH) + OH = CrO4 + H2O =>
Cr(OH) + 7 OH = CrO4 + 4 H2O
Se + NaBH4 + H2O = NaHSe + Na2B4O7 + H2 =>
2 Se + 4 NaBH4 + 7 H2O = 2 NaHSe + Na2B4O7 + 14 H2
K2Cr2O7 + H2SO4 + CH3CHOH = Cr2(SO4)3 + K2SO4 + CH3COCH3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 18 CH3CHOH = Cr2(SO4)3 + K2SO4 + 12 CH3COCH3 + 13 H2O
C12H22O11 + O2 = CO2 + H2O2 =>
2 C12H22O11 + 35 O2 = 24 CO2 + 22 H2O2
Ba(OH)2(aw) + H2SO4(aq) = BaSO4(s) + H2O(l) =>
Ba(OH)2(aw) + H2SO4(aq) = BaSO4(s) + 2 H2O(l)
B2H6 + KMnO4 + H2SO4 = MnSO4 + B2O3 + K2SO4 + H2O =>
5 B2H6 + 12 KMnO4 + 18 H2SO4 = 12 MnSO4 + 5 B2O3 + 6 K2SO4 + 33 H2O
Ca(NO3)2 + K2CO3 = KNO3 + Ca(CO3) =>
Ca(NO3)2 + K2CO3 = 2 KNO3 + Ca(CO3)
P4 + O2 = P4O10 = P4 + O10 = P4O10 =>
P4 + 5 O2 = P4O10
K2Cr2O7 + S + HCl = SO2 + CrCl3 + H2O + K =>
K2Cr2O7 + 2 S + 6 HCl = 2 SO2 + 2 CrCl3 + 3 H2O + 2 K
NH4OH + Cu(NO3)2 = Cu(NH4OH)2 + NO3 =>
2 NH4OH + Cu(NO3)2 = Cu(NH4OH)2 + 2 NO3
SrCrO4 + H2SO4 = SrSO4 + H2CrO4 =>
SrCrO4 + H2SO4 = SrSO4 + H2CrO4
CaCO3(s) + HNO3(aq) + H2O = Ca(NO3)2 + HCO3 + H3O =>
CaCO3(s) + 2 HNO3(aq) + H2O = Ca(NO3)2 + HCO3 + H3O
KClO3 + S = KCl + SO4 =>
4 KClO3 + 3 S = 4 KCl + 3 SO4
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Ca(OH)2 + P2O5 = Ca3(PO4)2 + H3PO4 =>
3 Ca(OH)2 + 2 P2O5 = Ca3(PO4)2 + 2 H3PO4
KCl + Cu(NO3)2 = K(NO3)2 + ClCu =>
KCl + Cu(NO3)2 = K(NO3)2 + ClCu
K + Cl = potassiumchloride =>
K + Cl = KCl
Na2Cr2O7 + C = Cr2O3 + Na2CO3 + CO =>
Na2Cr2O7 + 2 C = Cr2O3 + Na2CO3 + CO
ClO2 + H2SO4 + NaBr = HCl + H2O + Br2 + Na2SO4 =>
2 ClO2 + 5 H2SO4 + 10 NaBr = 2 HCl + 4 H2O + 5 Br2 + 5 Na2SO4
H2SO4 + Mg = Mg2(SO4)3 + H2 =>
3 H2SO4 + 2 Mg = Mg2(SO4)3 + 3 H2
Al(ClO2)2 = AlCl2 + O =>
Al(ClO2)2 = AlCl2 + 4 O
C11H22O5 + O2 = CO2 + H2O =>
C11H22O5 + 14 O2 = 11 CO2 + 11 H2O
Br2 + Ga2 = GaBr3 =>
3 Br2 + Ga2 = 2 GaBr3
NH2OH*HCl + NaNO2 = N2O + NaCl + H2O =>
NH2OH*HCl + NaNO2 = N2O + NaCl + 2 H2O
(NH4)2SO4 + Al2(SO4)3 + H2O = NH4Al(SO4)2H2O =>
(NH4)2SO4 + Al2(SO4)3 + 2 H2O = 2 NH4Al(SO4)2H2O
CuBr + H2SO4 = CuSO4 + SO2 + Br2 + H2O =>
2 CuBr + 4 H2SO4 = 2 CuSO4 + 2 SO2 + Br2 + 4 H2O
Mg(OH)2 + Cl = MgCl2 + Mg(ClO3)2 + H2O =>
6 Mg(OH)2 + 12 Cl = 5 MgCl2 + Mg(ClO3)2 + 6 H2O
NH4Cl + KNO3 = NO3Cl + KNH4 =>
NH4Cl + KNO3 = NO3Cl + KNH4
Cr + KNO3 + NaOH = Na2CrO4 + KNO2 + H2O =>
Cr + 3 KNO3 + 2 NaOH = Na2CrO4 + 3 KNO2 + H2O
C4H9OH + Na = C4H9ONa + H2 =>
2 C4H9OH + 2 Na = 2 C4H9ONa + H2
HCON(CH3)2 + O = H2O + CO2 + NH3 =>
HCON(CH3)2 + 7 O = 2 H2O + 3 CO2 + NH3
NH4Cl + O2 = (NH4)2O + Cl2 =>
4 NH4Cl + O2 = 2(NH4)2O + 2 Cl2
Cs + Sr(CrO4) = Cs2(CrO4) + Sr =>
2 Cs + Sr(CrO4) = Cs2(CrO4) + Sr
H2 + O = H2O =>
H2 + O = H2O
CuCO3(Cu(OH)2) + HBF4 = Cu(BF4)2 + H2CO3 + H2O =>
CuCO3(Cu(OH)2) + 4 HBF4 = 2 Cu(BF4)2 + H2CO3 + 2 H2O
KAI(SO4)2 + H2O = AI(OH)3 + K{+} + SO4{2-} + H{+} =>
KAI(SO4)2 + 3 H2O = AI(OH)3 + K{+} + 2 SO4{2-} + 3 H{+}
CH3COOH + P2O5 = (CH3CO)2O + H3PO4 =>
6 CH3COOH + P2O5 = 3(CH3CO)2O + 2 H3PO4
C6H5OH = C6H5 + OH =>
C6H5OH = C6H5 + OH
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe2O3 + K2O = K3FeO3 =>
Fe2O3 + 3 K2O = 2 K3FeO3
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
Sr(NO3)2 + Na2CO3 = SrCO3 + NaNO3 =>
Sr(NO3)2 + Na2CO3 = SrCO3 + 2 NaNO3
KL + Cl2 = KCl2 + L2 =>
2 KL + 2 Cl2 = 2 KCl2 + L2
B2(CO3)3 = B2O3 + CO2 =>
B2(CO3)3 = B2O3 + 3 CO2
HNO3 + H2S = NO + H2O + S =>
2 HNO3 + 3 H2S = 2 NO + 4 H2O + 3 S
H2 + O = H2O =>
H2 + O = H2O
CH3CH2CH2OH + CH3CH2CH2COOH = CH3CH2CH2CH2COOH + H2O =>
CH3CH2CH2OH + 3 CH3CH2CH2COOH = 3 CH3CH2CH2CH2COOH + H2O
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