| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fl3 + 24 N2 + 15 H2 = 6 N8H5Fl
K + H2O + CO2 = K2CO3 + H2 =>
2 K + H2O + CO2 = K2CO3 + H2
Ca(s) + Zn(NO3)2(aq) = Ca(NO3)(aq) + Zn(s) =>
2 Ca(s) + Zn(NO3)2(aq) = 2 Ca(NO3)(aq) + Zn(s)
CuO + CaCl2 = CuCl2 + CaO =>
CuO + CaCl2 = CuCl2 + CaO
S8(s) + H2SO4(l) = SO2(g) + H2O(l) =>
S8(s) + 16 H2SO4(l) = 24 SO2(g) + 16 H2O(l)
C10H18O + Na2Cr2O7 + H2SO4 = C10H16O + H2O + Na2SO4 + Cr2(SO4)3 =>
3 C10H18O + Na2Cr2O7 + 4 H2SO4 = 3 C10H16O + 7 H2O + Na2SO4 + Cr2(SO4)3
Si + CuO = SiO + Cu =>
Si + CuO = SiO + Cu
(NH4)3NO3 = N2 + O2 + H2 =>
2(NH4)3NO3 = 4 N2 + 3 O2 + 12 H2
Si4 + Cl2 = SiCl4 =>
Si4 + 8 Cl2 = 4 SiCl4
Zn(NO3)2 + Na2CO3 = Zn(NO3)2Na2CO3 =>
Zn(NO3)2 + Na2CO3 = Zn(NO3)2Na2CO3
XC6H14N4O2 + H2O = XNH2CONH2 + C5H12N2O2 =>
XC6H14N4O2 + H2O = XNH2CONH2 + C5H12N2O2
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
NaNO3 + Mg + H2SO4 = (NH4)2SO4 + MgSO4 + H2O + Na2SO4 =>
2 NaNO3 + 8 Mg + 10 H2SO4 = (NH4)2SO4 + 8 MgSO4 + 6 H2O + Na2SO4
CrCl3 + NaOH = Cr(OH)3 + NaCl =>
CrCl3 + 3 NaOH = Cr(OH)3 + 3 NaCl
Ca(NO3)2 + NH3 = Ca + NH3NO3 =>
Ca(NO3)2 + 2 NH3 = Ca + 2 NH3NO3
FeS2 + H2O = FeO + SO4 + H =>
FeS2 + 9 H2O = FeO + 2 SO4 + 18 H
Ca(OH)2 + HNo3 = CaNo3(OH) + H2O =>
Ca(OH)2 + HNo3 = CaNo3(OH) + H2O
Zn(NO3)2*6H2O + CH4N2O = ZnO + CO2 + H2O + N2 =>
3 Zn(NO3)2*6H2O + 5 CH4N2O = 3 ZnO + 5 CO2 + 28 H2O + 8 N2
BaC2 + H2SO4 = BaSO4 + HC =>
BaC2 + H2SO4 = BaSO4 + 2 HC
Ca + Br2 = Ca22Br =>
44 Ca + Br2 = 2 Ca22Br
CuO + CaCl2 = CuCl2 + CaO =>
CuO + CaCl2 = CuCl2 + CaO
K2CrO4 + H2S + HNO3 = KNO3 + Cr(NO3)3 + S + H2O =>
2 K2CrO4 + 3 H2S + 10 HNO3 = 4 KNO3 + 2 Cr(NO3)3 + 3 S + 8 H2O
Ni(OH)2SO4 + NiOH = Ni(OH)2 + NiSO4 =>
Ni(OH)2SO4 + 2 NiOH = 2 Ni(OH)2 + NiSO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CaCl + NaHCO3 + H2O = NaCl + CaHO + H2CO3 =>
CaCl + NaHCO3 + H2O = NaCl + CaHO + H2CO3
Ba2(CO3)2 = Ba2O2 + CO2 =>
Ba2(CO3)2 = Ba2O2 + 2 CO2
C2H6O2 = CH3COOH + H =>
C2H6O2 = CH3COOH + 2 H
NaCo3 + CaOH = NaOH + CaCo3 =>
NaCo3 + CaOH = NaOH + CaCo3
Na2SOH4 + Fe(NOH3)3 = Fe2(SOH4)3 + NaNOH3 =>
3 Na2SOH4 + 2 Fe(NOH3)3 = Fe2(SOH4)3 + 6 NaNOH3
C8O2H8 + NO2 = NO4C8H2 + H =>
C8O2H8 + NO2 = NO4C8H2 + 6 H
KI + O3 = KIO2 =>
3 KI + 2 O3 = 3 KIO2
Na3PO4 + CH3COOH = H3PO4 + NaCH3COO = =>
Na3PO4 + 3 CH3COOH = H3PO4 + 3 NaCH3COO
Pb(NO3)2 + C = Pb + N2 + CO2 =>
Pb(NO3)2 + 3 C = Pb + N2 + 3 CO2
CH015O9N6 + O2 = CO2 + H2O + N2O =>
4 CH015O9N6 + 7 O2 = 4 CO2 + 30 H2O + 12 N2O
Cd(OH)2 + NH4OH = [Cd(H2O)2(NH3)4](OH)2 + H2O =>
Cd(OH)2 + 4 NH4OH = [Cd(H2O)2(NH3)4](OH)2 + 2 H2O
Al(OH)2 = Al{+2} + OH({-}1) =>
Al(OH)2 = Al{+2} + 2 OH({-}1)
NO3{-} + Zn + OH{-} + H2O = [Zn(OH)4]2{-} + NH3 =>
7 NO3{-} + 16 Zn + OH{-} + 42 H2O = 8[Zn(OH)4]2{-} + 7 NH3
Al + Fe(OH)2 = Al2O3 + Fe + H2O =>
2 Al + 3 Fe(OH)2 = Al2O3 + 3 Fe + 3 H2O
NH4Cl + Cu(OH)2 = CuCl2 + H2O + NH3 =>
2 NH4Cl + Cu(OH)2 = CuCl2 + 2 H2O + 2 NH3
C6H4(OH)2 + KMnO4 + H2SO4 = C6H4O2 + MnSO4 + K2SO4 + H2O =>
5 C6H4(OH)2 + 2 KMnO4 + 3 H2SO4 = 5 C6H4O2 + 2 MnSO4 + K2SO4 + 8 H2O
Cu(NO3)2 + NH3 = (Cu(NH3)4)2 + NO3 =>
2 Cu(NO3)2 + 8 NH3 = (Cu(NH3)4)2 + 4 NO3
C2H5Br + O2 = CO2 + HOH + Br2 =>
4 C2H5Br + 13 O2 = 8 CO2 + 10 HOH + 2 Br2
B2O3 + PCl5 = BCl3 + O2 + PCl3 =>
2 B2O3 + 6 PCl5 = 4 BCl3 + 3 O2 + 6 PCl3
Cr2O7{2‾} + H{+} + S{2‾} = Cr{3+} + SO4{2‾} + H2O =>
4 Cr2O7{2‾} + 16 H{+} + 5 S{2‾} = 8 Cr{3+} + 5 SO4{2‾} + 8 H2O
CuS + HNO3 = CuSO4 + H2O + N2O =>
CuS + 2 HNO3 = CuSO4 + H2O + N2O
CaSO3 + H2SO4 + KMnO4 = CaSO4 + MnSO4 + K2SO4 + H2O =>
5 CaSO3 + 3 H2SO4 + 2 KMnO4 = 5 CaSO4 + 2 MnSO4 + K2SO4 + 3 H2O
Pt(s) + HBr(aq) = BrPt + H2 =>
2 Pt(s) + 2 HBr(aq) = 2 BrPt + H2
Br2 + NaOH = NaBrO + NaBr + H2O =>
Br2 + 2 NaOH = NaBrO + NaBr + H2O
I{-} + H2O = HI + OH{-} =>
I{-} + H2O = HI + OH{-}
MgSO4 + PbNO3 = MgNO3 + SO4Pb =>
MgSO4 + PbNO3 = MgNO3 + SO4Pb
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Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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