| Équations équilibrées la veille | Équations équilibrées le lendemain |
KBr + KI = BrI + 2 K
I2 + FeBr3 = Fe + IBr =>
3 I2 + 2 FeBr3 = 2 Fe + 6 IBr
CuSO4 + HNO3 = Cu(NO3)2 + H2SO4 =>
CuSO4 + 2 HNO3 = Cu(NO3)2 + H2SO4
Pb + (NH4)2SO4 = PbSO4 + NH4 =>
Pb + (NH4)2SO4 = PbSO4 + 2 NH4
Na2FeO4 + HCl = FeCl3 + O2 + NaCl + H2O =>
4 Na2FeO4 + 20 HCl = 4 FeCl3 + 3 O2 + 8 NaCl + 10 H2O
Fe(s) + CUCl2(aq) = FeCl2(aq) + CU(s) =>
Fe(s) + CUCl2(aq) = FeCl2(aq) + CU(s)
Zn + HNO = Zn(NO3)2 + N2 + H2O =>
Zn + 12 HNO = Zn(NO3)2 + 5 N2 + 6 H2O
Na2ZrO3 + H2O = Zr(OH)4 + NaOH =>
Na2ZrO3 + 3 H2O = Zr(OH)4 + 2 NaOH
PF3 = P4 + F =>
4 PF3 = P4 + 12 F
F2 + NiBr2 = NiF2 + Br2 =>
F2 + NiBr2 = NiF2 + Br2
C5H10O2 + Na2CO3 = C5H10ONa + CO2 + O2 =>
4 C5H10O2 + 2 Na2CO3 = 4 C5H10ONa + 2 CO2 + 3 O2
H2F2 = H2 + F2 =>
H2F2 = H2 + F2
ZrCl4 + NaOH = Zr(OH)4 + NaCl =>
ZrCl4 + 4 NaOH = Zr(OH)4 + 4 NaCl
Pd + AgNO3 = Pd(NO3)2 + Ag =>
Pd + 2 AgNO3 = Pd(NO3)2 + 2 Ag
C6H12N4 + O = CO + H2O + N2 =>
C6H12N4 + 12 O = 6 CO + 6 H2O + 2 N2
MnSO4 + HBr = MnBr2 + H2SO4 =>
MnSO4 + 2 HBr = MnBr2 + H2SO4
Cr{3} + H2O2 + OH{-} = CrO4{2-} + H2O =>
2 Cr{3} + 3 H2O2 + 10 OH{-} = 2 CrO4{2-} + 8 H2O
KSCN + Al(CH3COO)3 = Al(SCN)3 + KCH3COO =>
3 KSCN + Al(CH3COO)3 = Al(SCN)3 + 3 KCH3COO
CrS + HNO3 = Cr(NO3)3 + H2SO4 + NO2 + H2O =>
CrS + 12 HNO3 = Cr(NO3)3 + H2SO4 + 9 NO2 + 5 H2O
CsO + H2O = Cs(OH)2 =>
CsO + H2O = Cs(OH)2
CaC2 + H2SO4 = CaSO4 + SO2 + CO2 + H2O =>
CaC2 + 6 H2SO4 = CaSO4 + 5 SO2 + 2 CO2 + 6 H2O
Cu(s) + Pb(NO3)2(aq) = Cu(NO3)2(aq) + Pb(s) =>
Cu(s) + Pb(NO3)2(aq) = Cu(NO3)2(aq) + Pb(s)
Sn + MgBr2 = SnBr2 + Mg =>
Sn + MgBr2 = SnBr2 + Mg
I2 + ClO{-} + H2O = IO3{-} + Cl{-} + H{+} =>
I2 + 5 ClO{-} + H2O = 2 IO3{-} + 5 Cl{-} + 2 H{+}
MnCl2 + Br2 + KOH = K2MnO4 + KBr + KCl + H2O =>
MnCl2 + 2 Br2 + 8 KOH = K2MnO4 + 4 KBr + 2 KCl + 4 H2O
AgO + Fe = Ag + FeO =>
AgO + Fe = Ag + FeO
Mn + Cu(NO3)2 = Mn(NO3)2 + Cu =>
Mn + Cu(NO3)2 = Mn(NO3)2 + Cu
Al2O3 + KNO3 = Al(NO3)3 + K2O =>
Al2O3 + 6 KNO3 = 2 Al(NO3)3 + 3 K2O
He + Na = Na2He =>
He + 2 Na = Na2He
Pb(NO3)2 + (NH4)2(SO4) = Pb(SO4) + NH4(NO3) =>
Pb(NO3)2 + (NH4)2(SO4) = Pb(SO4) + 2 NH4(NO3)
MgCO3 + HClO4 = Mg(ClO4)2 + CO2 + H2O =>
MgCO3 + 2 HClO4 = Mg(ClO4)2 + CO2 + H2O
Au(CN)2{-}(aq) + Zn(s) = Au(s) + Zn(CN)4{2-}(aq) =>
2 Au(CN)2{-}(aq) + Zn(s) = 2 Au(s) + Zn(CN)4{2-}(aq)
MnO4{-} + I{-} + H2O = MnO2 + I2 + OH{-} =>
2 MnO4{-} + 6 I{-} + 4 H2O = 2 MnO2 + 3 I2 + 8 OH{-}
HCN(g) + O2(g) = N2(g) + CO2(g) + H20(i) =>
20 HCN(g) + 20 O2(g) = 10 N2(g) + 20 CO2(g) + H20(i)
K3N + HCl = KCl + H2 + NK =>
K3N + 2 HCl = 2 KCl + H2 + NK
C6H5OH + NaCl = C6H5ONa + HCl =>
C6H5OH + NaCl = C6H5ONa + HCl
CuFeS3 + O2 = Cu2S + SO2 + FeO =>
2 CuFeS3 + 6 O2 = Cu2S + 5 SO2 + 2 FeO
Bi(NO3)3 + Fe(NO3)3 + Na2S = BiFeS3 + NaNO3 =>
Bi(NO3)3 + Fe(NO3)3 + 3 Na2S = BiFeS3 + 6 NaNO3
C2H8O7P2 + NaOH + ZnO = C2H5O7P2NaZn + H2O =>
C2H8O7P2 + NaOH + ZnO = C2H5O7P2NaZn + 2 H2O
HC3H3CO2 + H2O = H3O + C3H3CO2 =>
HC3H3CO2 + H2O = H3O + C3H3CO2
SO2 + Ba(OH)2 = SO4Ba2 + H2O =>
SO2 + 2 Ba(OH)2 = SO4Ba2 + 2 H2O
Ag + H2SO3 = H2Ag + SO3 =>
Ag + H2SO3 = H2Ag + SO3
Pb(s) + Cu(NO3)2(aq) = Pb(NO3)2(aq) + Cu(s) =>
Pb(s) + Cu(NO3)2(aq) = Pb(NO3)2(aq) + Cu(s)
Ti + Al2O3 = TiO2 + Al =>
3 Ti + 2 Al2O3 = 3 TiO2 + 4 Al
Pb(ClO3)2 + Al2(SO4)3 = PbSO4 + Al(ClO3)3 =>
3 Pb(ClO3)2 + Al2(SO4)3 = 3 PbSO4 + 2 Al(ClO3)3
AlCl3 + O2 = Al(ClO3)3 =>
2 AlCl3 + 9 O2 = 2 Al(ClO3)3
Al2O3(s) + H2(g) = Al(s) + H2O(g) =>
Al2O3(s) + 3 H2(g) = 2 Al(s) + 3 H2O(g)
C10H16 + HNO3 = H2O + CO + N2 =>
5 C10H16 + 36 HNO3 = 58 H2O + 50 CO + 18 N2
H2SO4(g) + NaCl(s) = HCl(g) + Na2(SO4)(s) =>
H2SO4(g) + 2 NaCl(s) = 2 HCl(g) + Na2(SO4)(s)
Te + I2 = TeI4 =>
Te + 2 I2 = TeI4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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