| Équations équilibrées la veille |
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
Fe2O3(s) + Al(s) = Fe(l) + Al2O3(s) =>
Fe2O3(s) + 2 Al(s) = 2 Fe(l) + Al2O3(s)
Ni + Au2O3 = Ni2O3 + Au =>
2 Ni + Au2O3 = Ni2O3 + 2 Au
S2Cl2(l) + NH3(g) = S4N4(s) + S8(s) + NH4Cl(s) =>
6 S2Cl2(l) + 16 NH3(g) = S4N4(s) + S8(s) + 12 NH4Cl(s)
Ba(HCO3) + O2 = BaO + CO2 + H2O =>
4 Ba(HCO3) + O2 = 4 BaO + 4 CO2 + 2 H2O
Ca2Mg5Si8O22(OH)2 + CaMg(CO3)2 = Mg2SiO4 + CaCO3 + H2O + CO2 =>
Ca2Mg5Si8O22(OH)2 + 11 CaMg(CO3)2 = 8 Mg2SiO4 + 13 CaCO3 + H2O + 9 CO2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
F2 + NaOH = OF2 + NaF + H2O =>
2 F2 + 2 NaOH = OF2 + 2 NaF + H2O
CU{2+} + H2PO2{-} + OH{-} = CUH2 + PO4{3-} + H2O =>
CU{2+} + H2PO2{-} + 4 OH{-} = CUH2 + PO4{3-} + 2 H2O
Au + Br2 = AuBr =>
2 Au + Br2 = 2 AuBr
P4O10(s) + HNO3(aq) = N2O5(g) + (HPO3)3 =>
3 P4O10(s) + 12 HNO3(aq) = 6 N2O5(g) + 4(HPO3)3
MgO(s) + NaCl(aq) = MgCl2 + Na2O =>
MgO(s) + 2 NaCl(aq) = MgCl2 + Na2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Co(NO3)2 + Na2S = CoS + NaNO3 =>
Co(NO3)2 + Na2S = CoS + 2 NaNO3
CaCrO4 + KC2H3O2 = Ca(C2H3O2)2 + K2CrO4 =>
CaCrO4 + 2 KC2H3O2 = Ca(C2H3O2)2 + K2CrO4
Al(OH)3 + H2C2O4 = (Al)2(C2O4)3 + H2O =>
2 Al(OH)3 + 3 H2C2O4 = (Al)2(C2O4)3 + 6 H2O
Ag(NO3) + CaCl2 = AgCl + Ca(NO3)2 =>
2 Ag(NO3) + CaCl2 = 2 AgCl + Ca(NO3)2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Ni(s) + CO(g) = Ni(CO)4(g) =>
Ni(s) + 4 CO(g) = Ni(CO)4(g)
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C4H10COOH + O2 = CO2 + H2O =>
4 C4H10COOH + 27 O2 = 20 CO2 + 22 H2O
Bn2 + KOH = KBn + KBnO + H2O =>
Bn2 + 2 KOH = KBn + KBnO + H2O
ClO2 + Na2SO3 + NaOH = Na2SO4 + NaCl + H2O =>
2 ClO2 + 5 Na2SO3 + 2 NaOH = 5 Na2SO4 + 2 NaCl + H2O
CO2 + Br2 = COBr2 + O2 =>
2 CO2 + 2 Br2 = 2 COBr2 + O2
Fe(SCN)3 + H2O + Na2SO3 = FeSO4 + HCN + H2S + Na2S =>
6 Fe(SCN)3 + 21 H2O + Na2SO3 = 6 FeSO4 + 18 HCN + 12 H2S + Na2S
NO + Ca(ClO)2 + Ca(OH)2 = Ca(NO3)2 + CaCl2 + H2O =>
4 NO + 3 Ca(ClO)2 + 2 Ca(OH)2 = 2 Ca(NO3)2 + 3 CaCl2 + 2 H2O
Co(OH)2 + H2S = Co(HS)2 + H2O =>
Co(OH)2 + 2 H2S = Co(HS)2 + 2 H2O
C2H5OH + K2Cr2O7 = H2O + CO2 + KCr =>
7 C2H5OH + 6 K2Cr2O7 = 21 H2O + 14 CO2 + 12 KCr
Pb(NO3)2(aq) + NiCl2(aq) = PbCl2(s) + Ni(NO3)2(aq) =>
Pb(NO3)2(aq) + NiCl2(aq) = PbCl2(s) + Ni(NO3)2(aq)
K2Cr2O7 + C2H5OH = Cr + CO2 + K + H2O =>
6 K2Cr2O7 + 7 C2H5OH = 12 Cr + 14 CO2 + 12 K + 21 H2O
Na2CO3(aq) + CH3CH2COOH(l) = Na2CH2CH2COO + CO2(g) + H2O(l) =>
Na2CO3(aq) + CH3CH2COOH(l) = Na2CH2CH2COO + CO2(g) + H2O(l)
C2H5OH + C2H4O2 = CH3COOC2H5 + H2O =>
C2H5OH + C2H4O2 = CH3COOC2H5 + H2O
NaO2 + H2O = NaHO2 + O =>
2 NaO2 + H2O = 2 NaHO2 + O
Ni + Cu(C2H3O2)2 = Ni(C2H3O2)2 + Cu =>
Ni + Cu(C2H3O2)2 = Ni(C2H3O2)2 + Cu
C2H5OH + K2Cr2O7 = CH3COOH + K + Cr + H2O =>
7 C2H5OH + 2 K2Cr2O7 = 7 CH3COOH + 4 K + 4 Cr + 7 H2O
Se + NaOH = Na2Se + Na2SeO3 + H2O =>
3 Se + 6 NaOH = 2 Na2Se + Na2SeO3 + 3 H2O
C3H7OH + Cr2O7{2-} + H{+} = C2H5CHO + Cr{3+} + H2O =>
3 C3H7OH + Cr2O7{2-} + 8 H{+} = 3 C2H5CHO + 2 Cr{3+} + 7 H2O
Se + NaOH = Na2Se + Na2SeO3 + H2O =>
3 Se + 6 NaOH = 2 Na2Se + Na2SeO3 + 3 H2O
C3H7OH + Cr2O7{2-} + H{+} = Cr{3+} + CH3COCH3 + H2O =>
3 C3H7OH + Cr2O7{2-} + 8 H{+} = 2 Cr{3+} + 3 CH3COCH3 + 7 H2O
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
C3H7OH + Cr2O7{2-} + H{+} = C3H6O + Cr{3+} + H2O =>
3 C3H7OH + Cr2O7{2-} + 8 H{+} = 3 C3H6O + 2 Cr{3+} + 7 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cr2O7{2-} + C3H7OH + H{+} = H2O + Cr{3+} + C2H5COOH =>
2 Cr2O7{2-} + 3 C3H7OH + 16 H{+} = 11 H2O + 4 Cr{3+} + 3 C2H5COOH
H2SO4 + C12H22O11 = CO2 + H2O + SO2 =>
24 H2SO4 + C12H22O11 = 12 CO2 + 35 H2O + 24 SO2
H2 + C2O4 = H2C2O4 =>
H2 + C2O4 = H2C2O4
(C4H10)(g) + O2 = CO2 + H2O =>
2(C4H10)(g) + 13 O2 = 8 CO2 + 10 H2O
C3H7OH + Cr2O7{2-} + H{+} = Cr3{+} + CH3COCH3 + H2O =>
17 C3H7OH + 3 Cr2O7{2-} + 8 H{+} = 2 Cr3{+} + 17 CH3COCH3 + 21 H2O
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