| Équations équilibrées la veille |
CH4 + H{+} = CH5{+}
KCNS + AgNO3 = AgCNS + KNO3 =>
KCNS + AgNO3 = AgCNS + KNO3
SO32{-} + MnO4 = SO42{-} + MnO2 =>
SO32{-} + 5 MnO4 = SO42{-} + 5 MnO2
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
NaHSO4 + Mg = Na + MgSO4 + H2 =>
2 NaHSO4 + 2 Mg = 2 Na + 2 MgSO4 + H2
Mg(NO3)2 + Na3PO4(aq) = Mg3(PO4)2 + NaNO3 =>
3 Mg(NO3)2 + 2 Na3PO4(aq) = Mg3(PO4)2 + 6 NaNO3
CrBO3 + H2O = Cr2O(OH)4 + H3BO3 =>
2 CrBO3 + 5 H2O = Cr2O(OH)4 + 2 H3BO3
Ag1 + H2SO4 = Ag1SO4 + H2 =>
Ag1 + H2SO4 = Ag1SO4 + H2
Zn + H2O = Zn(OH2) =>
Zn + H2O = Zn(OH2)
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
H3AsO4 + KI = K3HAsO3 + I2 + H2O =>
2 H3AsO4 + 6 KI = 2 K3HAsO3 + 3 I2 + 2 H2O
Pb(NO3)2 + H2SO4 = Pb2(SO4)2 + HNO3 =>
2 Pb(NO3)2 + 2 H2SO4 = Pb2(SO4)2 + 4 HNO3
Ba(OH)2 + H2CrO4 = Ba(HCrO4)2 + H2O =>
Ba(OH)2 + 2 H2CrO4 = Ba(HCrO4)2 + 2 H2O
HNO3 + O2 = NO3 + H2O =>
4 HNO3 + O2 = 4 NO3 + 2 H2O
Al + H2O2 = Al2O3 + H2O =>
2 Al + 3 H2O2 = Al2O3 + 3 H2O
N2O5 = N7O4 + O2 =>
14 N2O5 = 4 N7O4 + 27 O2
Sr(HCO3)2 + NaOH = Sr(OH)2 + Na(HCO3) =>
Sr(HCO3)2 + 2 NaOH = Sr(OH)2 + 2 Na(HCO3)
Ag + S = Ag2S7 =>
2 Ag + 7 S = Ag2S7
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Cr + H2SO4 = Cr3(SO4)2 + H2 =>
3 Cr + 2 H2SO4 = Cr3(SO4)2 + 2 H2
C3H7NO2S + C2H4O2 = C5H9NO4 + H2S =>
C3H7NO2S + C2H4O2 = C5H9NO4 + H2S
H2SiF6 + KCl2 = KSiF6 + HCl =>
H2SiF6 + KCl2 = KSiF6 + 2 HCl
Pb(NO3)2 + NH3*H2O = Pb(OH)2 + NH4NO3 =>
Pb(NO3)2 + 2 NH3*H2O = Pb(OH)2 + 2 NH4NO3
(c)Li2CO3(s) = Li2O(s) + CO2(g) =>
(c)Li2CO3(s) = Li2O(s) + CO2(g)
HgI2 + KI = K2HgI4 =>
HgI2 + 2 KI = K2HgI4
Na2B4O7*10H2O + HCl = H3BO3 + NaCl + H2O =>
Na2B4O7*10H2O + 2 HCl = 4 H3BO3 + 2 NaCl + 5 H2O
SnO2{2-} + I2 + H2O = I{-} + SnO3{2-} + H{+} =>
SnO2{2-} + I2 + H2O = 2 I{-} + SnO3{2-} + 2 H{+}
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Ba(OH)2 + NiCl2 = BaCl2 + Ni(OH)2 =>
Ba(OH)2 + NiCl2 = BaCl2 + Ni(OH)2
Cu(NO3)2 + ScN = Cu3N2 + Sc(NO3)3 =>
3 Cu(NO3)2 + 2 ScN = Cu3N2 + 2 Sc(NO3)3
Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + NaI =>
2 Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + 2 NaI
CrBO3 + H2O = Cr2O(OH)4 + H3BO3 =>
2 CrBO3 + 5 H2O = Cr2O(OH)4 + 2 H3BO3
ZnONaOH = ZnOHNaO =>
ZnONaOH = ZnOHNaO
N3Na = N + Na =>
N3Na = 3 N + Na
C3H6O(g) + O2(g) = CO2(g) + H2O(aq) =>
C3H6O(g) + 4 O2(g) = 3 CO2(g) + 3 H2O(aq)
AgOH = Ag + OH =>
AgOH = Ag + OH
H2S + Mn = MnS + H2 =>
H2S + Mn = MnS + H2
CuCl2 + NaOH = Cu4(OH)5Cl3 + NaCl =>
4 CuCl2 + 5 NaOH = Cu4(OH)5Cl3 + 5 NaCl
NiSO4 + C4H8N2O2 = H2[Ni(C4H6N2O2)2] + H2SO4 =>
NiSO4 + 2 C4H8N2O2 = H2[Ni(C4H6N2O2)2] + H2SO4
HCl + O2 = H2O + Cl2O =>
2 HCl + O2 = H2O + Cl2O
Ba(OH)2 + H3PO4 = Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + 2 H3PO4 = Ba3(PO4)2 + 6 H2O
Mg + H3PO4 = Mg(PO4)3 + H2 =>
2 Mg + 6 H3PO4 = 2 Mg(PO4)3 + 9 H2
C10H14N2 + O2 = CO2 + N2 + H2O =>
2 C10H14N2 + 27 O2 = 20 CO2 + 2 N2 + 14 H2O
NaOCl + NH = NaONH + Cl =>
NaOCl + NH = NaONH + Cl
NH3 + HI = NH4 + I =>
NH3 + HI = NH4 + I
LiOH + FeCl3 = FeOH + LiCl3 =>
LiOH + FeCl3 = FeOH + LiCl3
S4 = S6 =>
3 S4 = 2 S6
MgSO4 + HClO3 = Mg(ClO3)2 + H2SO4 =>
MgSO4 + 2 HClO3 = Mg(ClO3)2 + H2SO4
C6H6 + Br2 = C6H3Br3 + HBr =>
C6H6 + 3 Br2 = C6H3Br3 + 3 HBr
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
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Équations équilibrées sur12/21/24
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