| Équations équilibrées la veille |
KCl + CuCl2 = KCl2 + CuCl
(ZnOH)2CO3 = ZnO + H2O + CO2 =>
(ZnOH)2CO3 = 2 ZnO + H2O + CO2
NaCl + FeI3 = FeCl3 + NaI =>
3 NaCl + FeI3 = FeCl3 + 3 NaI
Sr(OH)2 + K2SO4 = Sr(SO4) + K2(OH)2 = Ca(SO4) + Ba(NO3)2 =>
Sr(OH)2 + K2SO4 = Sr(SO4) + K2(OH)2
BaSO4 + H2 = BaSO3 + H2O =>
BaSO4 + H2 = BaSO3 + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NACl(aq) + Pb(NO3)2(aq) = PbCl2(s) + NANO3(aq) =>
2 NACl(aq) + Pb(NO3)2(aq) = PbCl2(s) + 2 NANO3(aq)
K4(Fe(CN)6) + Na2S = K2S + Na4(Fe(CN)6) =>
K4(Fe(CN)6) + 2 Na2S = 2 K2S + Na4(Fe(CN)6)
K2O + H2SO4 = H2O + K2SO4 =>
K2O + H2SO4 = H2O + K2SO4
NaIO3 + Ce(NO3)3 = Na(NO3) + Ce(IO3)3 =>
3 NaIO3 + Ce(NO3)3 = 3 Na(NO3) + Ce(IO3)3
Fe{+3} + Ce{+3} = Fe{+2} + Ce{+4} =>
Fe{+3} + Ce{+3} = Fe{+2} + Ce{+4}
PbH2O = PbOH2 =>
PbH2O = PbOH2
OHCH2CH2OH + ClCH2CH2OH = OHCH2CH2OCH2CH2Cl + H2O =>
OHCH2CH2OH + ClCH2CH2OH = OHCH2CH2OCH2CH2Cl + H2O
C + K = CK =>
C + K = CK
KI3 + H2O2 + H2SO4 = I2 + K2SO4 + H2O =>
2 KI3 + H2O2 + H2SO4 = 3 I2 + K2SO4 + 2 H2O
S8 + Cl2 = S2Cl2 =>
S8 + 4 Cl2 = 4 S2Cl2
Ca + Na = CaNa =>
Ca + Na = CaNa
Fe + KNO3 = K2FeO4 + NO =>
Fe + 2 KNO3 = K2FeO4 + 2 NO
C4H2O3 + H2 = C4H8O + H2O =>
C4H2O3 + 5 H2 = C4H8O + 2 H2O
Na2S + Hg + H2O = Na + H2S + Hg(OH)2 =>
Na2S + Hg + 2 H2O = 2 Na + H2S + Hg(OH)2
Na2CO3 + O2 = NaO + CO2 =>
2 Na2CO3 + O2 = 4 NaO + 2 CO2
MnO4{-} + SO3{2-} + H = MnO2 + SO4{2-} + OH{-} =>
MnO4{-} + SO3{2-} + H = MnO2 + SO4{2-} + OH{-}
Ca(NO3)2 + ZrO(NO3)2 + C3H7NO2 = CaZrO3 + CO2 + H2O + N2 =>
3 Ca(NO3)2 + 3 ZrO(NO3)2 + 4 C3H7NO2 = 3 CaZrO3 + 12 CO2 + 14 H2O + 8 N2
Cr2(SO4)3 + H2 = Cr + H2SO4 =>
Cr2(SO4)3 + 3 H2 = 2 Cr + 3 H2SO4
Dy2O3 + BaCO3 + CuO + O2 = DyBa2Cu3O7 + CO2 =>
2 Dy2O3 + 8 BaCO3 + 12 CuO + O2 = 4 DyBa2Cu3O7 + 8 CO2
B2O3(s) + H2O(l) = H3BO3(aq) =>
B2O3(s) + 3 H2O(l) = 2 H3BO3(aq)
KMnO4 + CrI2 + H2O = MnO2 + Cr(OH)3 + KIO3 + KOH =>
13 KMnO4 + 3 CrI2 + 8 H2O = 13 MnO2 + 3 Cr(OH)3 + 6 KIO3 + 7 KOH
Al4Si3 + Ca3N2 = AlN + Ca2Si =>
Al4Si3 + 2 Ca3N2 = 4 AlN + 3 Ca2Si
BaCI2 + (NH4)2SO4 = BaCI2SO4(NH4)2 =>
BaCI2 + (NH4)2SO4 = BaCI2SO4(NH4)2
Pb + O = Pb3O4 =>
3 Pb + 4 O = Pb3O4
NaCl + Ba(C2H3O2)2 = NaC2H3O2 + BaCl2 =>
2 NaCl + Ba(C2H3O2)2 = 2 NaC2H3O2 + BaCl2
Na(aq) + HCl(aq) = NaCl(aq) + H2(g) =>
2 Na(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2(g)
Mg3(PO4)2(s) + BaCl2(aq) = MgCl2(aq) + Ba3(PO4)2(s) =>
Mg3(PO4)2(s) + 3 BaCl2(aq) = 3 MgCl2(aq) + Ba3(PO4)2(s)
K2(Cr2O7) + Fe(SO4) + H2(SO4) = Cr2(SO4)3 + K2(SO4) + Fe2(SO4)3 + H2O =>
K2(Cr2O7) + 6 Fe(SO4) + 7 H2(SO4) = Cr2(SO4)3 + K2(SO4) + 3 Fe2(SO4)3 + 7 H2O
Na3PO4 + ZnSO4 = Na2SO4 + Zn3(PO4)2 =>
2 Na3PO4 + 3 ZnSO4 = 3 Na2SO4 + Zn3(PO4)2
CH3CO2 + H2O = CH2CO2 + H3O =>
CH3CO2 + H2O = CH2CO2 + H3O
HCl + Li2CO3 = LiCl + H2CO3 =>
2 HCl + Li2CO3 = 2 LiCl + H2CO3
Cr{3+} + NaOH = Na{+} + Cr(OH)3 =>
Cr{3+} + 3 NaOH = 3 Na{+} + Cr(OH)3
C3H8 + N2 = C3N4 + NH3 =>
3 C3H8 + 10 N2 = 3 C3N4 + 8 NH3
Bi + OH = Bi(OH) =>
Bi + OH = Bi(OH)
CaCl2 + KMnO4 + MnCl2 + NaOH = CaMnO3 + KCl + H2O + NaCl =>
5 CaCl2 + 2 KMnO4 + 3 MnCl2 + 14 NaOH = 5 CaMnO3 + 2 KCl + 7 H2O + 14 NaCl
K2S + NaCH3COO = KCH3COO + Na2S =>
K2S + 2 NaCH3COO = 2 KCH3COO + Na2S
NaOH + O2 = O2OH + Na =>
NaOH + O2 = O2OH + Na
Na2SO3 + NaOH = Na2SO4 + Na + H2O =>
Na2SO3 + 2 NaOH = Na2SO4 + 2 Na + H2O
K2SO4 + HOH = KOH + SO4H2 =>
K2SO4 + 2 HOH = 2 KOH + SO4H2
Al2O3 + SO = Al + SO3 =>
2 Al2O3 + 3 SO = 4 Al + 3 SO3
Na + MgCO3 = Na2CO3 + Mg =>
2 Na + MgCO3 = Na2CO3 + Mg
B2O6{-2} + Br{-} = BO3{3-} + Br2 =>
B2O6{-2} + 4 Br{-} = 2 BO3{3-} + 2 Br2
LiCl(l) = Li(s) + Cl(g) =>
LiCl(l) = Li(s) + Cl(g)
AgCl + NaCl = AgNa + Cl =>
AgCl + NaCl = AgNa + 2 Cl
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Équations équilibrées sur11/23/24
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