| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C10N2H8O2 + 19 O2 = 20 CO2 + 4 NH3 + 2 H2O
Cr2O7{-} + I{-} + H{+} = Cr{+3} + I2 + H2O =>
2 Cr2O7{-} + 14 I{-} + 28 H{+} = 4 Cr{+3} + 7 I2 + 14 H2O
H2S + CaO = CaS + H2O =>
H2S + CaO = CaS + H2O
CaI2 + Hg(NO3)2 = Ca(NO3)2 + I2Hg =>
CaI2 + Hg(NO3)2 = Ca(NO3)2 + I2Hg
HBF4 + NaCl = HCl + NaBF4 =>
HBF4 + NaCl = HCl + NaBF4
KMnO4 + H2O + VOCl2 = H3VO4 + KCl + MnCl2 + HCl =>
KMnO4 + 11 H2O + 5 VOCl2 = 5 H3VO4 + KCl + MnCl2 + 7 HCl
HBF4 + NaCl = HCl + NaBF4 =>
HBF4 + NaCl = HCl + NaBF4
(NH4)(N2) + Pb(ClO4) = (NH4)(ClO4) + Pb(N2) =>
(NH4)(N2) + Pb(ClO4) = (NH4)(ClO4) + Pb(N2)
NaCl(s) + H3PO4 = Na3PO4 + HCl =>
3 NaCl(s) + H3PO4 = Na3PO4 + 3 HCl
Ca(NO3)2 + (NH4)2HPO4 + NH3 + HO = Ca10(PO4)6(OH)2 + NH4NO3 =>
50 Ca(NO3)2 + 30(NH4)2HPO4 + 44 NH3 + 16 HO = 5 Ca10(PO4)6(OH)2 + 102 NH4NO3
Na2[Pb(OH)4] + Na2O2 = PbO2 + NaOH =>
Na2[Pb(OH)4] + Na2O2 = PbO2 + 4 NaOH
As2S3 + KMnO4 + HCe = KCe + MnCe2 + H3AsO4 + SO2 + H2O =>
5 As2S3 + 22 KMnO4 + 66 HCe = 22 KCe + 22 MnCe2 + 10 H3AsO4 + 15 SO2 + 18 H2O
CuSO4 + KI = CuI + K2SO4 + I3 =>
3 CuSO4 + 6 KI = 3 CuI + 3 K2SO4 + I3
H{+} + Cr = H2 + Cr{2+} =>
2 H{+} + Cr = H2 + Cr{2+}
NaHCO3 + K2CO3 = Na2CO3 + KHCO3 =>
2 NaHCO3 + K2CO3 = Na2CO3 + 2 KHCO3
B + HI = BI3 + H2 =>
2 B + 6 HI = 2 BI3 + 3 H2
C7H8O(l) + O2 = CO2(g) + H2O(g) =>
2 C7H8O(l) + 17 O2 = 14 CO2(g) + 8 H2O(g)
C6H14 + O2 = C2H6 + CO2 =>
3 C6H14 + 4 O2 = 7 C2H6 + 4 CO2
C19H28 + O2 = CO2 + H2O =>
C19H28 + 26 O2 = 19 CO2 + 14 H2O
Zn + Ag1S1 = ZnS + Ag =>
Zn + Ag1S1 = ZnS + Ag
NaCH3CO2H2O = NaOHHCH3CO2 =>
NaCH3CO2H2O = NaOHHCH3CO2
Fr + Cl2 = Fr2Cl =>
4 Fr + Cl2 = 2 Fr2Cl
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
Cu(SO4)(aq)Zn(s) = ZnSO4(aq)Cu(s) =>
Cu(SO4)(aq)Zn(s) = ZnSO4(aq)Cu(s)
Cu(NO3)2 + NH4I = NH4NO3 + CuI2 =>
Cu(NO3)2 + 2 NH4I = 2 NH4NO3 + CuI2
C4H2(COOH)2 + O2 = CO2 + H2O =>
C4H2(COOH)2 + 5 O2 = 6 CO2 + 2 H2O
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
Ca(NO3)2 + (NH4)2HPO4 + NH3 + HO = Ca10(PO4)6(OH)2 + NH4NO3 =>
50 Ca(NO3)2 + 30(NH4)2HPO4 + 44 NH3 + 16 HO = 5 Ca10(PO4)6(OH)2 + 102 NH4NO3
Al + Cu2Cl = AlCl3 + Cu2 =>
Al + 3 Cu2Cl = AlCl3 + 3 Cu2
NaNO2 + NaOH + H2O = NaO2 + NH3 =>
NaNO2 + NaOH + H2O = 2 NaO2 + NH3
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
(NH4)(N2) + Pb(ClO4) = (NH4)(ClO4) + Pb(N2) =>
(NH4)(N2) + Pb(ClO4) = (NH4)(ClO4) + Pb(N2)
KBr + K2Cr2O7 + H2SO4 = Br2 + K2SO4 + Cr2(SO4)3 + H2O =>
6 KBr + K2Cr2O7 + 7 H2SO4 = 3 Br2 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
K2NaCo(NO2)6 + KMnO4 + H2SO4 = K2SO4 + NaSO4 + CoSO4 + MnSO4 + HNO3 + H2O =>
5 K2NaCo(NO2)6 + 12 KMnO4 + 33 H2SO4 = 11 K2SO4 + 5 NaSO4 + 5 CoSO4 + 12 MnSO4 + 30 HNO3 + 18 H2O
NH3 + Ba(HCO3)2 + H2O = Ba(OH)2 + NH4HCO3 =>
2 NH3 + Ba(HCO3)2 + 2 H2O = Ba(OH)2 + 2 NH4HCO3
K2OH + (NH4)SO4 = K2SO4 + NH3(g) + H2O =>
K2OH + (NH4)SO4 = K2SO4 + NH3(g) + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg(NO3)2 + K2SiO3 = KNO3 + MgSiO3 =>
Mg(NO3)2 + K2SiO3 = 2 KNO3 + MgSiO3
C6H18O5 + O2 = CO2 + H2O =>
C6H18O5 + 8 O2 = 6 CO2 + 9 H2O
As2S5 + KMnO4 + H2O = H3AsO4 + H2S2O7 + MnO + KOH =>
2 As2S5 + 16 KMnO4 + 19 H2O = 4 H3AsO4 + 5 H2S2O7 + 16 MnO + 16 KOH
Sn{2+} + Ag = Sn + Ag{+} =>
Sn{2+} + 2 Ag = Sn + 2 Ag{+}
Ag2CrO4 = Ag + CrO4 =>
Ag2CrO4 = 2 Ag + CrO4
Be + HNO3 = Be(NO3)2 + NH4NO3 + H2O =>
4 Be + 10 HNO3 = 4 Be(NO3)2 + NH4NO3 + 3 H2O
HCl + Al(OH)3 + MgCo3 = AlCl + MgCl + H2O + Co2 =>
3 HCl + Al(OH)3 + 2 MgCo3 = AlCl + 2 MgCl + 3 H2O + 3 Co2
Al(OH)3 + HClO = Al(ClO)3 + H2O =>
Al(OH)3 + 3 HClO = Al(ClO)3 + 3 H2O
(NH4)3PO4(aq) + NaOH(aq) = Na3PO4(aq) + NH3(g) + H2O =>
(NH4)3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 NH3(g) + 3 H2O
CH4C6H6 = C6H5CH3H2 =>
CH4C6H6 = C6H5CH3H2
Pb(NO3)2 + AgNO3 = PbNO3 + (NO3)2Ag =>
Pb(NO3)2 + AgNO3 = PbNO3 + (NO3)2Ag
Ca + K2O = K2CaO =>
Ca + K2O = K2CaO
MgCO3(s) + SiO2(g) = MgSiO3(l) + CO2(g) =>
MgCO3(s) + SiO2(g) = MgSiO3(l) + CO2(g)
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Équations équilibrées sur11/27/23
Équations équilibrées sur12/27/22
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