| Équations équilibrées la veille |
2 Al + 6 H{+} = 2 Al{3} + 3 H2
VO + H = V3O2 + H2O =>
3 VO + 2 H = V3O2 + H2O
KC1O3(s) = KC1O4(s) + KC1(s) =>
4 KC1O3(s) = 3 KC1O4(s) + KC1(s)
Ca(C2H3O2)2 + Li2SO4 = LiC2H3O2 + CaSO4 =>
Ca(C2H3O2)2 + Li2SO4 = 2 LiC2H3O2 + CaSO4
Mg3(PO4)2 + SiO2 = MgSiO3 + P2O5 =>
Mg3(PO4)2 + 3 SiO2 = 3 MgSiO3 + P2O5
H2O(l) + HNO3(aq) = H3NO4 =>
H2O(l) + HNO3(aq) = H3NO4
N2H5{+} + IO3{-} = I2 + N2 + H2O + H{+} =>
5 N2H5{+} + 4 IO3{-} = 2 I2 + 5 N2 + 12 H2O + H{+}
CH2COOH + Na2CO3 = CH2COONa + H2O + CO2 =>
2 CH2COOH + Na2CO3 = 2 CH2COONa + H2O + CO2
Fe(NO3)3 + Zn(Cl2) = FeCl3 + Zn(NO3)2 =>
2 Fe(NO3)3 + 3 Zn(Cl2) = 2 FeCl3 + 3 Zn(NO3)2
Ti + NiBr2 = TiBr3 + Ni2 =>
4 Ti + 6 NiBr2 = 4 TiBr3 + 3 Ni2
N2O + CS2 = S + N2 + CO2 =>
2 N2O + CS2 = 2 S + 2 N2 + CO2
Ca{+}OH{2+} + H{+3}PO{+4} = Ca{+3}(PO{+4}){+2} + H{+2}O =>
Ca{+}OH{2+} + 2 H{+3}PO{+4} = Ca{+3}(PO{+4}){+2} + 2 H{+2}O
Al(s) + H2(SO4)(aq) = Al2(SO4)3(aq) + H2 =>
2 Al(s) + 3 H2(SO4)(aq) = Al2(SO4)3(aq) + 3 H2
Co(s) + HBrO4(aq) = Co(BrO4)3(aq) + H2(g) =>
2 Co(s) + 6 HBrO4(aq) = 2 Co(BrO4)3(aq) + 3 H2(g)
SrSO4 + K2O = SrO + K2(SO4) =>
SrSO4 + K2O = SrO + K2(SO4)
NaHCO3 + C2H4O2 = NaC2H4O2 + CO2 + H2O =>
8 NaHCO3 + 9 C2H4O2 = 8 NaC2H4O2 + 10 CO2 + 6 H2O
KMnO4(aq) + FeSO4(aq) + H2SO4(aq) = K2SO4(aq) + Fe2(SO4)3(aq) + H2O + MnSO4(aq) =>
2 KMnO4(aq) + 10 FeSO4(aq) + 8 H2SO4(aq) = K2SO4(aq) + 5 Fe2(SO4)3(aq) + 8 H2O + 2 MnSO4(aq)
ZnF2(s) = Zn(aq) + F2(aq) =>
ZnF2(s) = Zn(aq) + F2(aq)
Ag2O + NH4OH = [Ag(NH3)2]*OH + H2O =>
Ag2O + 4 NH4OH = 2[Ag(NH3)2]*OH + 3 H2O
Au + O2 + KCN + H2O = K[Au(CN)2] + KOH =>
4 Au + O2 + 8 KCN + 2 H2O = 4 K[Au(CN)2] + 4 KOH
Al + H2SO4 = H3 + Al2(SO4)3 =>
2 Al + 3 H2SO4 = 2 H3 + Al2(SO4)3
MoCl5 + Na2S = MoS2 + S + NaCl =>
2 MoCl5 + 5 Na2S = 2 MoS2 + S + 10 NaCl
H2SO4 + B = B2(SO4)3 + H =>
3 H2SO4 + 2 B = B2(SO4)3 + 6 H
Zn(OH)2 + Cu2(SO4) = Zn(SO4) + Cu(OH) =>
Zn(OH)2 + Cu2(SO4) = Zn(SO4) + 2 Cu(OH)
K2Cr2O7 + (NH4)2S + H2SO4 = K2SO4 + Cr2(SO4)3 + NH3 + H2O =>
4 K2Cr2O7 + 3(NH4)2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 6 NH3 + 16 H2O
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
P4(S) + S8(S) = P4S3(S) =>
3 P4(S) + S8(S) = 3 P4S3(S)
Mg(CH3COO)2 + H2O = Mg(OH)2 + CH3COOH =>
Mg(CH3COO)2 + 2 H2O = Mg(OH)2 + 2 CH3COOH
CH3CH3CH33COH + K2CrO7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CHO + H2O =>
9 CH3CH3CH33COH + 34 K2CrO7 + 85 H2SO4 = 17 Cr2(SO4)3 + 34 K2SO4 + 18 CH3CHO + 229 H2O
H{+}{+} + Cr2O7{2-} + C2H6O = Cr{3+} + CO2 + H2O =>
16 H{+}{+} + 2 Cr2O7{2-} + C2H6O = 4 Cr{3+} + 2 CO2 + 11 H2O
Al(OH)3 + Na2CO3 + HF = Na3AlF6 + CO2 + H2O =>
2 Al(OH)3 + 3 Na2CO3 + 12 HF = 2 Na3AlF6 + 3 CO2 + 9 H2O
MnSO4 + H2O2 + NaOH = Na2MnO4 + Na2SO4 + H2O =>
MnSO4 + 2 H2O2 + 4 NaOH = Na2MnO4 + Na2SO4 + 4 H2O
KMnO4 + Na2SO3 + HSO4 = K2SO4 + MnSO4 + NaSO4 + H2O =>
6 KMnO4 + 13 Na2SO3 + 22 HSO4 = 3 K2SO4 + 6 MnSO4 + 26 NaSO4 + 11 H2O
Pa + Ca = Ca2Pa =>
Pa + 2 Ca = Ca2Pa
P(s) + Cl2(g) = PCl5 =>
2 P(s) + 5 Cl2(g) = 2 PCl5
CeO2(s) + HCl(aq) = CeCl3(aq) + Cl2(g) + H2O(l) =>
2 CeO2(s) + 8 HCl(aq) = 2 CeCl3(aq) + Cl2(g) + 4 H2O(l)
K3[Sc(OH)6] + K2S2O7 = K2SO4 + Sc2(SO4)3 + H2SO4 =>
2 K3[Sc(OH)6] + 12 K2S2O7 = 15 K2SO4 + Sc2(SO4)3 + 6 H2SO4
Li3PO4 + NH4NO3 = (NH4)3PO4 + LiNO3 =>
Li3PO4 + 3 NH4NO3 = (NH4)3PO4 + 3 LiNO3
Au + ZnCl2 = AuCl2 + Zn =>
Au + ZnCl2 = AuCl2 + Zn
Al2 + Se = Al2Se3 =>
Al2 + 3 Se = Al2Se3
Ca + SnCl4 = Ca(Cl)2 + Sn4 =>
8 Ca + 4 SnCl4 = 8 Ca(Cl)2 + Sn4
Fe + Cu2SO4 = Fe2(SO4)3 + Cu =>
2 Fe + 3 Cu2SO4 = Fe2(SO4)3 + 6 Cu
Na2[Zn(OH)4] + H2S = NaHS + Zn(OH)2 + H2O =>
Na2[Zn(OH)4] + 2 H2S = 2 NaHS + Zn(OH)2 + 2 H2O
S8(s) + Na2SO3(aq) = Na2S2O3 =>
S8(s) + 8 Na2SO3(aq) = 8 Na2S2O3
Fe2(SO4)3 + SO2 + H2O = Fe + H2SO4 =>
Fe2(SO4)3 + 3 SO2 + 6 H2O = 2 Fe + 6 H2SO4
C2H5CHO + [Ag(NH3)2]OH = HCOONH4 + Ag + NH3 + H2O =>
C2H5CHO + 10[Ag(NH3)2]OH = 3 HCOONH4 + 10 Ag + 17 NH3 + 5 H2O
Zn + KClO3 + H2O = Zn(ClO3)2 + KCl + KOH =>
3 Zn + 7 KClO3 + 3 H2O = 3 Zn(ClO3)2 + KCl + 6 KOH
NH2 + HCl = NCl + H2 =>
2 NH2 + 2 HCl = 2 NCl + 3 H2
Mg + (CH3COO)2 + H2O = Mg(OH)2 + CH3COOH =>
Mg + (CH3COO)2 + 2 H2O = Mg(OH)2 + 2 CH3COOH
PbCl2 + FeCl3 + NaOH = Pb(OH)3 + Fe(OH)2 + NaCl =>
PbCl2 + FeCl3 + 5 NaOH = Pb(OH)3 + Fe(OH)2 + 5 NaCl
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Équations équilibrées sur01/09/25
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