| Équations équilibrées la veille |
2 Na(s) + 2 H2O(l) = 2 NaOH(ac) + H2(g)
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
C3H6O + [Ag(NH3)2]OH = Ag + C3H5O2NH4 + H2O + NH3 =>
C3H6O + 2[Ag(NH3)2]OH = 2 Ag + C3H5O2NH4 + H2O + 3 NH3
Zn + Ba(OH)2 + H2O = Ba[Zn(OH)4] + H2 =>
Zn + Ba(OH)2 + 2 H2O = Ba[Zn(OH)4] + H2
Ba + H2 = BaH2 =>
Ba + H2 = BaH2
H2C2O4(aq) + NaOH = Na2C2O4 + H2O =>
H2C2O4(aq) + 2 NaOH = Na2C2O4 + 2 H2O
KClO3(S) = KCl(S) + O2(g) =>
2 KClO3(S) = 2 KCl(S) + 3 O2(g)
Hg2SO4 + HCl = H2SO4 + HgCl =>
Hg2SO4 + 2 HCl = H2SO4 + 2 HgCl
Mg(CH3COO)2 + NaHCO3 = Mg(HCO3)2 + CH3COONa =>
Mg(CH3COO)2 + 2 NaHCO3 = Mg(HCO3)2 + 2 CH3COONa
NH4OH + NH4Cl = H3O + NH3 + Cl =>
NH4OH + NH4Cl = H3O + 2 NH3 + Cl
S6O12 + O6 = S6O18 =>
S6O12 + O6 = S6O18
C3H5OH + H2 = C3H7OH =>
C3H5OH + H2 = C3H7OH
Os + Br2 = OsBr3 =>
2 Os + 3 Br2 = 2 OsBr3
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
KMnO4 + H2SO4 + NaF = F2 + H2O + KSO4 + MnSO4 + Na2SO4 =>
KMnO4 + 4 H2SO4 + 4 NaF = 2 F2 + 4 H2O + KSO4 + MnSO4 + 2 Na2SO4
CH3(CH2)3COONa + HCl = CH3(CH2)3CO2H + NaCl =>
CH3(CH2)3COONa + HCl = CH3(CH2)3CO2H + NaCl
FeCl2 + H2C2O4 + H2O = HCl + FeC2O4(H2O)2 =>
FeCl2 + H2C2O4 + 2 H2O = 2 HCl + FeC2O4(H2O)2
KI(aq) + Hg(NO3)(aq) = K(NO3)(aq) + HgI(s) =>
KI(aq) + Hg(NO3)(aq) = K(NO3)(aq) + HgI(s)
HNo3(aq) + Ba(OH)2(aq) = Ba(No3)2(s) + H2O(l) =>
2 HNo3(aq) + Ba(OH)2(aq) = Ba(No3)2(s) + 2 H2O(l)
Cu(s) + FeCl3(aq) = CuCl2 + Fe =>
3 Cu(s) + 2 FeCl3(aq) = 3 CuCl2 + 2 Fe
K3(Al(OH)6) = K3AlO3 + H2O =>
K3(Al(OH)6) = K3AlO3 + 3 H2O
Mo(OH)3 + NaNO3 = Mo(NO3)3 + NaOH =>
Mo(OH)3 + 3 NaNO3 = Mo(NO3)3 + 3 NaOH
Fe2S3 + O2 = Fe2O3 + S =>
2 Fe2S3 + 3 O2 = 2 Fe2O3 + 6 S
AsO43{-} + I{-} + H{+} = AsO33{-} + I2 + H2O =>
AsO43{-} + 20 I{-} + 20 H{+} = AsO33{-} + 10 I2 + 10 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CuSO4 + Pb(NO3)2 = PbSO4(s) + Cu(NO3)2(aq) =>
CuSO4 + Pb(NO3)2 = PbSO4(s) + Cu(NO3)2(aq)
PbO + C = Pb + CO =>
PbO + C = Pb + CO
Al2S3(s) + H2O = Al(OH)3(s) + H2S(g) =>
Al2S3(s) + 6 H2O = 2 Al(OH)3(s) + 3 H2S(g)
Mg(NO3)2 + LiOH = Mg(OH)2 + LiNO3 =>
Mg(NO3)2 + 2 LiOH = Mg(OH)2 + 2 LiNO3
Si4H10(s) + O2(g) = SiO2(s) + H2O(g) =>
2 Si4H10(s) + 13 O2(g) = 8 SiO2(s) + 10 H2O(g)
Ce + HNO3 = H2 + Ce(NO3)3 =>
2 Ce + 6 HNO3 = 3 H2 + 2 Ce(NO3)3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CaSO4(H2O)2 + SO3 = CaSO4 + H2SO4 =>
CaSO4(H2O)2 + 2 SO3 = CaSO4 + 2 H2SO4
HgCl2 + AgNO3 = Hg(NO3)2 + AgCl =>
HgCl2 + 2 AgNO3 = Hg(NO3)2 + 2 AgCl
Zn(ClO3)2 + H2SO4 = ZnSO4 + HClO3 =>
Zn(ClO3)2 + H2SO4 = ZnSO4 + 2 HClO3
C + S8 = CS2 =>
4 C + S8 = 4 CS2
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HBr(aq) + Ca(OH)2(aq) = H2O(g) + CaBr2 =>
2 HBr(aq) + Ca(OH)2(aq) = 2 H2O(g) + CaBr2
Re + Br2 = ReBr3 =>
2 Re + 3 Br2 = 2 ReBr3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Barium + water = hydrogen + bariumhydroxide =>
Ba + 2 H2O = H2 + Ba(OH)2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HNO2 = N2O3 + H2O =>
2 HNO2 = N2O3 + H2O
Mg3N2 + H2O = NH3 + Mg + (OH)2 =>
Mg3N2 + 6 H2O = 2 NH3 + 3 Mg + 3(OH)2
KIO2 + HI + H2SO4 = I2 + K2SO4 + H2O =>
2 KIO2 + 6 HI + H2SO4 = 4 I2 + K2SO4 + 4 H2O
BrCl5 + H2O = HCl + HBrO3 =>
BrCl5 + 3 H2O = 5 HCl + HBrO3
CH3CH2COOCH3 + Sb2O3 + H2O2 = CH3CH2OH + Sb(CH3COO)3 =>
21 CH3CH2COOCH3 + 4 Sb2O3 + 6 H2O2 = 18 CH3CH2OH + 8 Sb(CH3COO)3
Sb4O6 + C = Sb + CO =>
Sb4O6 + 6 C = 4 Sb + 6 CO
Cs + As = Cs3As =>
3 Cs + As = Cs3As
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Équations équilibrées sur01/01/25
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