| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2(SO4)3 + 3 CaBr2 = 2 FeBr3 + 3 CaSO4
F + HI = I + FH =>
F + HI = I + FH
Mg(s) + Al(NO3)3 = Mg(NO3)2 + Al =>
3 Mg(s) + 2 Al(NO3)3 = 3 Mg(NO3)2 + 2 Al
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CH3COOH(aq) + NaHCO3(s) = H2O(l) + CO2(g) + NaCH3COO(aq) =>
CH3COOH(aq) + NaHCO3(s) = H2O(l) + CO2(g) + NaCH3COO(aq)
As + ClO3 + H2O = H3AsO3 + HClO =>
5 As + 3 ClO3 + 9 H2O = 5 H3AsO3 + 3 HClO
Mg(NO3)2 + CO3 = MgCO3 + NO3 =>
Mg(NO3)2 + CO3 = MgCO3 + 2 NO3
CrCl3(aq) + Na3PO4(aq) = CrPO4(s) + Na3Cl3(aq) =>
CrCl3(aq) + Na3PO4(aq) = CrPO4(s) + Na3Cl3(aq)
C2H5OH + K2Cr2O7 + H2SO4 = C2H4O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 C2H4O + K2SO4 + Cr2(SO4)3 + 7 H2O
SnSO4 + CuO = CuSO4 + SnO =>
SnSO4 + CuO = CuSO4 + SnO
NaOH(aq) + H3PO4 = Na3PO4 + H2O =>
3 NaOH(aq) + H3PO4 = Na3PO4 + 3 H2O
C6H6 + HONO2 = C6H5NO2 + H2O =>
C6H6 + HONO2 = C6H5NO2 + H2O
S{2-} + NO3{-} + H{+} = S + NO2 + H2O =>
S{2-} + 2 NO3{-} + 4 H{+} = S + 2 NO2 + 2 H2O
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + NaCl(aw) =>
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl(aw)
Ba(OH)2 + (NH4)(SCN) = Ba(SCN)2 + NH3 + H2O =>
Ba(OH)2 + 2(NH4)(SCN) = Ba(SCN)2 + 2 NH3 + 2 H2O
Ag + NaNO3 = AgNaNO3 =>
Ag + NaNO3 = AgNaNO3
Sr(NO3)2 + Al(NO3)3*9H2O + CH4N2O = SrAl2O4 + CO2 + H2O + N2 =>
3 Sr(NO3)2 + 6 Al(NO3)3*9H2O + 20 CH4N2O = 3 SrAl2O4 + 20 CO2 + 94 H2O + 32 N2
Ba(HSO4)2 + HCl = H2SO4 + BaCl2 =>
Ba(HSO4)2 + 2 HCl = 2 H2SO4 + BaCl2
AgMnO4 + Sr = Ag + SrMnO4 =>
AgMnO4 + Sr = Ag + SrMnO4
K2CO3(s) + H2O(g) + CO2(g) = KHCO3(s) =>
K2CO3(s) + H2O(g) + CO2(g) = 2 KHCO3(s)
Fe + PbS2 = FeS + Pb =>
2 Fe + PbS2 = 2 FeS + Pb
MnO4{-} + ClO2{-} + H2O = MnO2 + ClO4{-} + OH{-} =>
4 MnO4{-} + 3 ClO2{-} + 2 H2O = 4 MnO2 + 3 ClO4{-} + 4 OH{-}
C19H34O2 + O2 = CO2 + H2O =>
2 C19H34O2 + 53 O2 = 38 CO2 + 34 H2O
Cr(s) + Fe(NO3)3(aq) = Fe(s) + Cr(NO3)2(aq) =>
3 Cr(s) + 2 Fe(NO3)3(aq) = 2 Fe(s) + 3 Cr(NO3)2(aq)
BaCl2 + CO3 = BaCO3 + Cl =>
BaCl2 + CO3 = BaCO3 + 2 Cl
CaCl2 + AgSO4 = CaSO4 + AgCl2 =>
CaCl2 + AgSO4 = CaSO4 + AgCl2
Fe2(SO4)3 + K4Fe(CN)6 = K2SO4 + KFe[Fe(CN)6] =>
Fe2(SO4)3 + 2 K4Fe(CN)6 = 3 K2SO4 + 2 KFe[Fe(CN)6]
Ca + H3PO4 = Ca(PO4)2 + H2 =>
Ca + 2 H3PO4 = Ca(PO4)2 + 3 H2
KMnO4 + CaCl2 = KCl + Ca(MnO4)2 =>
2 KMnO4 + CaCl2 = 2 KCl + Ca(MnO4)2
Al3 + CuO = Cu + Al2O3 =>
2 Al3 + 9 CuO = 9 Cu + 3 Al2O3
H3PO4 + Ni(OH)3 = NiPO4 + H2O =>
H3PO4 + Ni(OH)3 = NiPO4 + 3 H2O
Cr2O6 + H2O = H2(Cr2O7) =>
Cr2O6 + H2O = H2(Cr2O7)
NaPO4 + BaCl = NaCl + BaPO4 =>
NaPO4 + BaCl = NaCl + BaPO4
MnO4(aq) + IO3{-} = MnO2 + IO4{-} =>
MnO4(aq) + 2 IO3{-} = MnO2 + 2 IO4{-}
AgCl + NaNO3 = AgNO3 + NaCl =>
AgCl + NaNO3 = AgNO3 + NaCl
CH3CO2H + Ba(OH)2 = Ba(CH3CO2)2 + H2O =>
2 CH3CO2H + Ba(OH)2 = Ba(CH3CO2)2 + 2 H2O
Na2Cr2O7 + NaHSO3 + H2SO4 = CrOHSO4 + Na2SO4 + H2O =>
2 Na2Cr2O7 + 6 NaHSO3 + 3 H2SO4 = 4 CrOHSO4 + 5 Na2SO4 + 4 H2O
PbO2 + H3O{+} + I{-} = Pb{2} + I2 + H2O =>
PbO2 + 4 H3O{+} + 2 I{-} = Pb{2} + I2 + 6 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Yb2O3 + HNO3 = Yb(NO3)3*6H2O + NO2 + O2 =>
2 Yb2O3 + 48 HNO3 = 4 Yb(NO3)3*6H2O + 36 NO2 + 9.0000000000001O2
Al + Ca(OH)2 + H2O = CaO*Al2O3*6H2O + H2 =>
2 Al + Ca(OH)2 + 8 H2O = CaO*Al2O3*6H2O + 3 H2
K2 + H2O = KOH + H2 =>
K2 + 2 H2O = 2 KOH + H2
NH3 + Na = NaNH2 + H2 =>
2 NH3 + 2 Na = 2 NaNH2 + H2
Mg + Sn(C2H3O2)4 = Sn + Mg(C2H3O2)2 =>
2 Mg + Sn(C2H3O2)4 = Sn + 2 Mg(C2H3O2)2
K2CrO4 + H2SO3 = Cr2(SO4)3 + KOH + H2O =>
2 K2CrO4 + 3 H2SO3 = Cr2(SO4)3 + 4 KOH + H2O
Ca(PO4)2 + Na2CO3 = CaCO3 + NaPO4 =>
Ca(PO4)2 + Na2CO3 = CaCO3 + 2 NaPO4
MnO + KMnO4 + H2O = MnO2 + KOH =>
3 MnO + 2 KMnO4 + H2O = 5 MnO2 + 2 KOH
NH4OH + K3PO4 = (NH4)3PO4 + KOH =>
3 NH4OH + K3PO4 = (NH4)3PO4 + 3 KOH
Cr2(SO4)3 + Cu = CuSO4 + Cr =>
Cr2(SO4)3 + 3 Cu = 3 CuSO4 + 2 Cr
Na3AsO4 + SnCl2 + HCl = As + SnCl4 + NaCl + H2O =>
2 Na3AsO4 + 5 SnCl2 + 16 HCl = 2 As + 5 SnCl4 + 6 NaCl + 8 H2O
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Équations équilibrées sur09/08/23
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