| Équations équilibrées la veille |
MgO + SO3 = MgSO4
CaF2(s) + H2SO4 = CaSO4 + HF =>
CaF2(s) + H2SO4 = CaSO4 + 2 HF
PbCl2 + HgNO3 = PbNO3 + HgCl2 =>
PbCl2 + HgNO3 = PbNO3 + HgCl2
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
C4H10O2 + O2 = CO2 + H2O =>
2 C4H10O2 + 11 O2 = 8 CO2 + 10 H2O
CH3CH(OH)COOH + Na = CH3CH(OH)COONa + H2 =>
2 CH3CH(OH)COOH + 2 Na = 2 CH3CH(OH)COONa + H2
Al + S = AlS3 =>
Al + 3 S = AlS3
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
KOH + H2O4 = K2O4 + H2O =>
2 KOH + H2O4 = K2O4 + 2 H2O
Sn(ClO3)4 = SnCl4 + O2 =>
Sn(ClO3)4 = SnCl4 + 6 O2
V2O5 + HCl = VCl5 + H2O =>
V2O5 + 10 HCl = 2 VCl5 + 5 H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
BaCl2 + CaSO4 = BaSO4 + CaCl2 =>
BaCl2 + CaSO4 = BaSO4 + CaCl2
C10H10 + K2Cr2O7 + H2SO4 = C8H6O4 + Cr2(SO4)3 + K2SO4 + H2O =>
12 C10H10 + 25 K2Cr2O7 + 100 H2SO4 = 15 C8H6O4 + 25 Cr2(SO4)3 + 25 K2SO4 + 115 H2O
Al2(SO4)3 + Pb(OH)2 = Al(OH)3 + PbSO4 =>
Al2(SO4)3 + 3 Pb(OH)2 = 2 Al(OH)3 + 3 PbSO4
Cr2(SO4)3 + K2CO3 = Cr2(CO3)3 + K2SO4 =>
Cr2(SO4)3 + 3 K2CO3 = Cr2(CO3)3 + 3 K2SO4
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
CH4 + HOH = H2 + CO =>
CH4 + HOH = 3 H2 + CO
Na2SiO3 + H2O = H2SiO3 + NaOH =>
Na2SiO3 + 2 H2O = H2SiO3 + 2 NaOH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BrO3{-} + N2H4 = Br{-} + N2 + H2O =>
2 BrO3{-} + 3 N2H4 = 2 Br{-} + 3 N2 + 6 H2O
Cr2(SO4)3 + KOH = Cr(OH)3 + K2SO4 =>
Cr2(SO4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2SO4
S8 + OH = S2O3 + H2O =>
S8 + 24 OH = 4 S2O3 + 12 H2O
VO(OH)2 + NaOH = Na2[V4O9] + H2O =>
4 VO(OH)2 + 2 NaOH = Na2[V4O9] + 5 H2O
AlO3(s) = Al(s) + O2(g) =>
2 AlO3(s) = 2 Al(s) + 3 O2(g)
C1H4O + O2 = CO2 + H2O =>
2 C1H4O + 3 O2 = 2 CO2 + 4 H2O
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Pb(HCO3)2 + H = H2O + CO2 + Pb =>
Pb(HCO3)2 + 2 H = 2 H2O + 2 CO2 + Pb
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Pb + HCl + H2O2 = PbCl2 + H2O =>
Pb + 2 HCl + H2O2 = PbCl2 + 2 H2O
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
CH3COONH4 + NaOH = CH4 + NH4NaCO3 =>
CH3COONH4 + NaOH = CH4 + NH4NaCO3
SrCO3 + Na2CO3 + (NH4)2HPO4 = NaSr(PO3)3 + CO2 + NH3 + H2O =>
2 SrCO3 + Na2CO3 + 6(NH4)2HPO4 = 2 NaSr(PO3)3 + 3 CO2 + 12 NH3 + 9 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Ca3(PO4)2 + HNO3 = Ca(NO3)2 + P2O5 + H2O =>
Ca3(PO4)2 + 6 HNO3 = 3 Ca(NO3)2 + P2O5 + 3 H2O
A1 + O2 = A12O3 =>
24 A1 + 3 O2 = 2 A12O3
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
C11H10 + K2Cr2O7 + H2SO4 = C8H6O4 + Cr2(SO4)3 + K2SO4 + H2O =>
8 C11H10 + 17 K2Cr2O7 + 68 H2SO4 = 11 C8H6O4 + 17 Cr2(SO4)3 + 17 K2SO4 + 75 H2O
Cr2(SO4)3(aq) + Ca(NO3)2(aq) = CaSO4(s) + Cr(NO3)3(aq) =>
Cr2(SO4)3(aq) + 3 Ca(NO3)2(aq) = 3 CaSO4(s) + 2 Cr(NO3)3(aq)
Mg3N2 + HOH = Mg3O + H2N2 =>
Mg3N2 + HOH = Mg3O + H2N2
Ca(s) + H3PO4(aq) = Ca3(PO4)2(s) + H3(g) =>
3 Ca(s) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 2 H3(g)
K2S + HNO3 = KNO3 + H2S =>
K2S + 2 HNO3 = 2 KNO3 + H2S
NH3 + Ag = [Ag(NH3)2] =>
2 NH3 + Ag = [Ag(NH3)2]
Al(s) + Br(s) = AlBr3(s) =>
Al(s) + 3 Br(s) = AlBr3(s)
CH3O + O3 = CO2 + H3 =>
3 CH3O + O3 = 3 CO2 + 3 H3
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Cu + FeCl3 = Cu2Cl3 + Fe =>
2 Cu + FeCl3 = Cu2Cl3 + Fe
Sr3(PO4)2 + HCl = SrCl2 + H3PO4 =>
Sr3(PO4)2 + 6 HCl = 3 SrCl2 + 2 H3PO4
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Équations équilibrées sur10/21/24
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