| Équations équilibrées la veille |
K2Cr2O7 + 3 SnCl2 + 16 KOH = 2 K3[Cr(OH)6] + 3 K2SnO3 + 6 KCl + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
He5 = He =>
He5 = 5 He
ZnS + HCl = ZnCl2 + H2S = =>
ZnS + 2 HCl = ZnCl2 + H2S
H2NC3H7 + O2 = CO2 + H2O + N2 =>
4 H2NC3H7 + 21 O2 = 12 CO2 + 18 H2O + 2 N2
S + O2 = SO2 =>
S + O2 = SO2
Cu2(OH)2SO4 + NaOH = Cu(OH)2 + Na2SO4 =>
Cu2(OH)2SO4 + 2 NaOH = 2 Cu(OH)2 + Na2SO4
CaCl2 + K2PO4 = Ca(PO4) + KCl =>
CaCl2 + K2PO4 = Ca(PO4) + 2 KCl
CaCO3 + FePO4 = Ca3(PO4)2 + Fe2(CO3)3 =>
3 CaCO3 + 2 FePO4 = Ca3(PO4)2 + Fe2(CO3)3
Fe(NO3)2 + K3PO4 = Fe(PO4) + K3(NO3)2 =>
Fe(NO3)2 + K3PO4 = Fe(PO4) + K3(NO3)2
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
MgBr2 + Cl2 = MgCl2 + Br2 =>
MgBr2 + Cl2 = MgCl2 + Br2
Li + Sn(SO3) = Li(SO3) + Sn =>
Li + Sn(SO3) = Li(SO3) + Sn
Na3PO4 + Ca(ClO)2 = NaClO + Ca3(PO4)2 =>
2 Na3PO4 + 3 Ca(ClO)2 = 6 NaClO + Ca3(PO4)2
MnSO4 + KOH = Mn(OH)2 + K2(SO4) =>
MnSO4 + 2 KOH = Mn(OH)2 + K2(SO4)
CH3O(l) + O2(l) = CO(s) + H2O(s) =>
4 CH3O(l) + 3 O2(l) = 4 CO(s) + 6 H2O(s)
KMnO4(ac) + HCl(ac) = KCl(ac) + MnCl2(ac) + Cl2(g) + H2O(l) =>
2 KMnO4(ac) + 16 HCl(ac) = 2 KCl(ac) + 2 MnCl2(ac) + 5 Cl2(g) + 8 H2O(l)
Pb + NO3 + NaOH = PbOH + NaNO3 =>
Pb + NO3 + NaOH = PbOH + NaNO3
HCl + Al2(SO4)3 = H2(SO4) + Cl3Al =>
6 HCl + Al2(SO4)3 = 3 H2(SO4) + 2 Cl3Al
CaCl2 + K2PO4 = Ca(PO4) + KCl =>
CaCl2 + K2PO4 = Ca(PO4) + 2 KCl
KClO3 + I2 + H2O = KIO3 + KCl + HClO3 =>
11 KClO3 + 3 I2 + 3 H2O = 6 KIO3 + 5 KCl + 6 HClO3
Pb(NO3)2 + FeCl3 = Fe(NO3)3 + PbCl2 =>
3 Pb(NO3)2 + 2 FeCl3 = 2 Fe(NO3)3 + 3 PbCl2
PbS + HBrO3 = PbBr2 + H2S + O2 =>
PbS + 2 HBrO3 = PbBr2 + H2S + 3 O2
N2H4 + O{2+} = N{2+} + H2O =>
N2H4 + 2 O{2+} = 2 N{2+} + 2 H2O
Na3PO4 + Ca(ClO)2 = NaClO + Ca3(PO4)2 =>
2 Na3PO4 + 3 Ca(ClO)2 = 6 NaClO + Ca3(PO4)2
C8H8O2 + O2 = CO2 + H2O =>
C8H8O2 + 9 O2 = 8 CO2 + 4 H2O
CaI2(aq) + Br2(aq) = CaBr2(s) + I2(l) =>
CaI2(aq) + Br2(aq) = CaBr2(s) + I2(l)
NH4Cl + AgNCO = (NH2)2 + CO + AgCl =>
NH4Cl + AgNCO = (NH2)2 + CO + AgCl
Al2Si4O10(OH)2 = Al2SiO5 + SiO2 + H2O =>
Al2Si4O10(OH)2 = Al2SiO5 + 3 SiO2 + H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Cd3(BO3)2 + H2O = H3BO3 + Cd(OH)2 =>
Cd3(BO3)2 + 6 H2O = 2 H3BO3 + 3 Cd(OH)2
HI + K2CO3 = K2I + HCO3 =>
HI + K2CO3 = K2I + HCO3
RbOH + Be(OH)2 = Rb2BeO2 + H2O =>
2 RbOH + Be(OH)2 = Rb2BeO2 + 2 H2O
NH4HCO3 + NH3 = NH4CO3{-} + NH4{+} =>
NH4HCO3 + NH3 = NH4CO3{-} + NH4{+}
XCl2O + XH2O = XHClO =>
XCl2O + XH2O = 2 XHClO
Fe(NO3)2 + H2SO4 = Fe(NO3)3 + Fe2(SO4)3 + NO + H2O =>
9 Fe(NO3)2 + 6 H2SO4 = 5 Fe(NO3)3 + 2 Fe2(SO4)3 + 3 NO + 6 H2O
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
NH3 + NaClO = N2H4 + NaCl + H2O =>
2 NH3 + NaClO = N2H4 + NaCl + H2O
HCl + K2Cr2O7 + SnCl2 = SnCl4 + H2O + CrCl3 + KCl =>
14 HCl + K2Cr2O7 + 3 SnCl2 = 3 SnCl4 + 7 H2O + 2 CrCl3 + 2 KCl
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
HgCI2 + Sb = SbCI2 + Hg =>
HgCI2 + Sb = SbCI2 + Hg
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Cu + AgNO3 = CuNO3 + Ag =>
Cu + AgNO3 = CuNO3 + Ag
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
(CH2OH)2 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
(CH2OH)2 + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 6 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
CuSO + CaOH = CuOH + CaSO =>
CuSO + CaOH = CuOH + CaSO
MgSO3 + HClO4 = Mg(ClO4)2 + H2O + SO2 =>
MgSO3 + 2 HClO4 = Mg(ClO4)2 + H2O + SO2
CuNO3 + NH4OH = CuNH4 + NO3OH =>
CuNO3 + NH4OH = CuNH4 + NO3OH
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Équations équilibrées sur11/13/24
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