| Équations équilibrées la veille |
Mg(No3)2 + Na2SO4 = MgSO4 + 2 NaNo3
Cr2O7{2-} + H3O{+} + e = Cr{3} + H2O =>
Cr2O7{2-} + 14 H3O{+} + 6e = 2 Cr{3} + 21 H2O
Mg + N2 + H2O = Mg(OH)2 + NH3 =>
3 Mg + N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
PBO3(cr) = PBO(cr) + O2(g) =>
PBO3(cr) = PBO(cr) + O2(g)
Al2O3 + Fe = Fe3O4 + Al =>
4 Al2O3 + 9 Fe = 3 Fe3O4 + 8 Al
CH4(g) = C + H =>
CH4(g) = C + 4 H
Pb2 + K2(CO3) = K2 + Pb(CO3) =>
Pb2 + 2 K2(CO3) = 2 K2 + 2 Pb(CO3)
Sn(NO3)2 + Zn = Sn + Zn(NO3)2 =>
Sn(NO3)2 + Zn = Sn + Zn(NO3)2
H2NNH2 = N2 + H2 =>
H2NNH2 = N2 + 2 H2
O2(g) + C20H42(s) = H2O + CO2 =>
61 O2(g) + 2 C20H42(s) = 42 H2O + 40 CO2
C2H6O + K2Cr2O7 + HCl = C2H2O + CrCl3 + KCl + H2O =>
3 C2H6O + 2 K2Cr2O7 + 16 HCl = 3 C2H2O + 4 CrCl3 + 4 KCl + 14 H2O
Sc(PO4) + Ca(CO3) = Sc2(CO3)3 + Ca3(PO4)2 =>
2 Sc(PO4) + 3 Ca(CO3) = Sc2(CO3)3 + Ca3(PO4)2
K2Br2 + MgSO4 = K2SO4 + MgBr2 =>
K2Br2 + MgSO4 = K2SO4 + MgBr2
CH3 + COOH = CH3COOH =>
CH3 + COOH = CH3COOH
ZrI = Zr + I =>
ZrI = Zr + I
MoBr3 + O2 = Br2 + MoO2 =>
2 MoBr3 + 2 O2 = 3 Br2 + 2 MoO2
Mg + H3PO4 = Mg3(PO4)4 + H2 =>
3 Mg + 4 H3PO4 = Mg3(PO4)4 + 6 H2
Mg2O8Si3(aq) + HCl(aq) = MgCl2(aq) + SiO2 + H2O =>
Mg2O8Si3(aq) + 4 HCl(aq) = 2 MgCl2(aq) + 3 SiO2 + 2 H2O
CaOSO3 = CaSO4 =>
CaOSO3 = CaSO4
PbO + H2CO3 = PbO2 + H2O + CO =>
PbO + H2CO3 = PbO2 + H2O + CO
BaCl2(H2O)(s) = BaCl2(s) + H2O(l) =>
BaCl2(H2O)(s) = BaCl2(s) + H2O(l)
FeCO3 + KNO2 + H2SO4 = Fe2(SO4)3 + K2SO4 + NO + CO2 + H2O =>
2 FeCO3 + 2 KNO2 + 4 H2SO4 = Fe2(SO4)3 + K2SO4 + 2 NO + 2 CO2 + 4 H2O
C2H2 = C6H6 = C6H5Br =>
3 C2H2 = C6H6
NO3 + H = NO2 + H2O =>
NO3 + 2 H = NO2 + H2O
NbCl5 + Zn + H2SO4 = Nb2(SO4)3 + ZnCl2 + HCl =>
2 NbCl5 + 2 Zn + 3 H2SO4 = Nb2(SO4)3 + 2 ZnCl2 + 6 HCl
NH3I + PbNO3 = PbI2 + (NH3)2NO3 =>
2 NH3I + PbNO3 = PbI2 + (NH3)2NO3
HF + Al(OH)3 = AlF3 + H2O =>
3 HF + Al(OH)3 = AlF3 + 3 H2O
HCl + Ca[OH]2 = CaCl2 + H2O =>
2 HCl + Ca[OH]2 = CaCl2 + 2 H2O
KO2 + CO2 = K2C5O3 + O =>
2 KO2 + 5 CO2 = K2C5O3 + 11 O
HIO3 + Na2S2O3 = SO2 + S + NaIO3 + H2O =>
2 HIO3 + Na2S2O3 = SO2 + S + 2 NaIO3 + H2O
H2SO4 + Cr = Cr(SO4)3 + H2 =>
3 H2SO4 + Cr = Cr(SO4)3 + 3 H2
(NH4)3PO4 + CaCl2 = Ca3(PO4)2 + NH4Cl =>
2(NH4)3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NH4Cl
NaHCO3 + C6H8O7 = C6H5Na3O7 + CO2 + H2O =>
3 NaHCO3 + C6H8O7 = C6H5Na3O7 + 3 CO2 + 3 H2O
MoO3 + H2 = H2O + Mo =>
MoO3 + 3 H2 = 3 H2O + Mo
KMnO4 + NaNO2 + KOH = H2O + K2MnO4 + NaNO3 =>
2 KMnO4 + NaNO2 + 2 KOH = H2O + 2 K2MnO4 + NaNO3
Hg + CuSO4 = Hg2SO4 + Cu =>
2 Hg + CuSO4 = Hg2SO4 + Cu
Sn(NO2)4 + K3PO4 = KNO2 + Sn3(PO4)4 =>
3 Sn(NO2)4 + 4 K3PO4 = 12 KNO2 + Sn3(PO4)4
Li + S = Li2S =>
2 Li + S = Li2S
Yb2O3 + SnO2 = Yb2Sn2O7 =>
Yb2O3 + 2 SnO2 = Yb2Sn2O7
CH3CO2Na + H3O + Cl = NaCl + C2H4 + O2 =>
6 CH3CO2Na + 2 H3O + 6 Cl = 6 NaCl + 6 C2H4 + 7 O2
Na2SO4 = Na{+} + SO4{2-} =>
Na2SO4 = 2 Na{+} + SO4{2-}
P + Si = SiP =>
P + Si = SiP
H + Cl = H2Cl3 =>
2 H + 3 Cl = H2Cl3
C3H5O(COOH)3 + NaClO2 = HCl + H2O + ClO2 + C3H5O(COONa)3 =>
5 C3H5O(COOH)3 + 15 NaClO2 = 3 HCl + 6 H2O + 12 ClO2 + 5 C3H5O(COONa)3
C8H10O3 + O2 = CO2 + H2O =>
C8H10O3 + 9 O2 = 8 CO2 + 5 H2O
H{+} + Cr2O7{2-} + CH3C2OH = Cr{3+} + CH3COOH + H2O =>
16 H{+} + 2 Cr2O7{2-} + 6 CH3C2OH = 4 Cr{3+} + 9 CH3COOH + 2 H2O
H{+} + Cr2O7{-2} + SO3{-2} = SO4{-2} + Cr{+} + H2O =>
4 H{+} + Cr2O7{-2} + 5 SO3{-2} = 5 SO4{-2} + 2 Cr{+} + 2 H2O
HNO3NaOH = NaNO3H2O =>
HNO3NaOH = NaNO3H2O
ICl3(s) + H2O(l) = ICl(l) + HIO3(aq) + HCl(aq) =>
2 ICl3(s) + 3 H2O(l) = ICl(l) + HIO3(aq) + 5 HCl(aq)
CO2 + HF = CF4 + H2O =>
CO2 + 4 HF = CF4 + 2 H2O
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Équations équilibrées sur01/09/25
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