| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 PbBr4 = Pb4 + 16 Br
Al(s) + H2SO4(l) = Al2(SO4)3(s) + H2(g) =>
2 Al(s) + 3 H2SO4(l) = Al2(SO4)3(s) + 3 H2(g)
K2O + CO3 = K2CO3 + O2 =>
2 K2O + 2 CO3 = 2 K2CO3 + O2
Mn(OH)2 + KBrO3 = MnO2 + KBr + H2O =>
3 Mn(OH)2 + KBrO3 = 3 MnO2 + KBr + 3 H2O
Al + NH3 = AlNH3 =>
Al + NH3 = AlNH3
KMnO4 + NH3 = KNO3 + MnO2 + KOH + H =>
2 KMnO4 + NH3 = KNO3 + 2 MnO2 + KOH + 2 H
K2O + HClO4 = KClO4 + H2O =>
K2O + 2 HClO4 = 2 KClO4 + H2O
(NH4)3PO4 + Cr(NO3)2 = (NH4)(NO3) + Cr3(PO4)2 =>
2(NH4)3PO4 + 3 Cr(NO3)2 = 6(NH4)(NO3) + Cr3(PO4)2
ClO3 + H = ClO2 + H2O =>
ClO3 + 2 H = ClO2 + H2O
Na2SO4(aq) + KI(aq) = Na2I(aq) + KSO4(aq) =>
Na2SO4(aq) + KI(aq) = Na2I(aq) + KSO4(aq)
CH4 + HO = CO + H2 =>
2 CH4 + 2 HO = 2 CO + 5 H2
Ca(NO3)2 + Cr2(SO4)3 = CaSO4 + Cr(NO3)3 =>
3 Ca(NO3)2 + Cr2(SO4)3 = 3 CaSO4 + 2 Cr(NO3)3
FeCO3 + HI = FeI2 + H2CO3 =>
FeCO3 + 2 HI = FeI2 + H2CO3
As(OH)3 + H2SO4(aq) = As2(SO4)3(aq) + H2O =>
2 As(OH)3 + 3 H2SO4(aq) = As2(SO4)3(aq) + 6 H2O
BaO + S = Ba + SO3 =>
3 BaO + S = 3 Ba + SO3
AgCH3COO + Al2(SO4)3 = Ag2SO4 + Al(CH3COO)3 =>
6 AgCH3COO + Al2(SO4)3 = 3 Ag2SO4 + 2 Al(CH3COO)3
KNO3 + Fe + H2SO4 = (NH4)2SO4 + K2SO4 + Fe2(SO4)3 + H2O =>
6 KNO3 + 16 Fe + 30 H2SO4 = 3(NH4)2SO4 + 3 K2SO4 + 8 Fe2(SO4)3 + 18 H2O
CaCl2*2H2O + NaHCO3 = CaCO3 + NaCl + H2O + CO2 =>
CaCl2*2H2O + 2 NaHCO3 = CaCO3 + 2 NaCl + 3 H2O + CO2
AgF + HNO3 = AgNO3 + HF =>
AgF + HNO3 = AgNO3 + HF
CoCl2*6H2O + NH4Cl + H2O2 = [Co(NH3)6]Cl3 + H2O + HCl =>
2 CoCl2*6H2O + 12 NH4Cl + H2O2 = 2[Co(NH3)6]Cl3 + 14 H2O + 10 HCl
ZnCl2(s) + H2S(aq) = HCl + ZnS =>
ZnCl2(s) + H2S(aq) = 2 HCl + ZnS
BrNa = Br + Na =>
BrNa = Br + Na
S{2-} + H2O = SO4{2-} + H{+} + e =>
S{2-} + 4 H2O = SO4{2-} + 8 H{+} + 8e
LiI + HBr = LiBr + HI =>
LiI + HBr = LiBr + HI
Fe3O4 + MnO4{-} + OH = Fe2O3 + MnO2 + H2O{-} =>
6 Fe3O4 + MnO4{-} + 2 OH = 9 Fe2O3 + MnO2 + H2O{-}
NO2 + NH4OH = NH4NO3NH4NO2 + H2O =>
2 NO2 + 2 NH4OH = NH4NO3NH4NO2 + H2O
CU(OH)2 + H2SO4 = H2O + CUSO4(aq) =>
CU(OH)2 + H2SO4 = 2 H2O + CUSO4(aq)
KI + KNO3 + H2SO4 = NO + I2 + H2O + K2SO4 =>
6 KI + 2 KNO3 + 4 H2SO4 = 2 NO + 3 I2 + 4 H2O + 4 K2SO4
C2H4 + C2H5OH = C2H5 + C2H4OH =>
C2H4 + C2H5OH = C2H5 + C2H4OH
Nb + O2 = Nb2O5 =>
4 Nb + 5 O2 = 2 Nb2O5
BF3 + NaF = Na[BF4] =>
BF3 + NaF = Na[BF4]
Fe + C12H8N2 = Fe(C12H8N2)3 =>
Fe + 3 C12H8N2 = Fe(C12H8N2)3
KMnO4 + H2SO4 + CH3COOH = K2SO4 + MnSO4 + HCOOH + H2O =>
4 KMnO4 + 6 H2SO4 + 5 CH3COOH = 2 K2SO4 + 4 MnSO4 + 10 HCOOH + 6 H2O
O(g) = O3(g) =>
3 O(g) = O3(g)
SnCl2 + H2SO3 + HCl = SnCl4 + H2S + H2O =>
3 SnCl2 + H2SO3 + 6 HCl = 3 SnCl4 + H2S + 3 H2O
COH + H2O = C6H12O6 + O2 =>
12 COH + 6 H2O = 2 C6H12O6 + 3 O2
KNO3(aq) + CuSO4(aq) = KSO4(aq) + CuNO3(aq) =>
KNO3(aq) + CuSO4(aq) = KSO4(aq) + CuNO3(aq)
MgSO4*7H2O + (NH4)2C2O4*H2O = MgC2O4*H2O + (NH4)2SO4 + H2O =>
MgSO4*7H2O + (NH4)2C2O4*H2O = MgC2O4*H2O + (NH4)2SO4 + 7 H2O
BCl3(s) + H2S(aq) = B2S3(s) + HCl(aq) =>
2 BCl3(s) + 3 H2S(aq) = B2S3(s) + 6 HCl(aq)
Rb + Te = RbTe =>
Rb + Te = RbTe
KOH(aq) + CuCl2(aq) = KCl(s) + Cu(OH)2 =>
2 KOH(aq) + CuCl2(aq) = 2 KCl(s) + Cu(OH)2
Mg(s) + AgNO3(am) = Mg(NO3)2(at) + Ag(s) =>
Mg(s) + 2 AgNO3(am) = Mg(NO3)2(at) + 2 Ag(s)
C5H4O2 + H2 = C5H6O + H2O =>
C5H4O2 + 2 H2 = C5H6O + H2O
C6H12O6 + Cu{2+} + H2O = C6H12O7 + Cu2O + H{+} =>
C6H12O6 + 2 Cu{2+} + 2 H2O = C6H12O7 + Cu2O + 4 H{+}
Fe + Sn(No3)2 = Fe(No3)3 + Sn =>
2 Fe + 3 Sn(No3)2 = 2 Fe(No3)3 + 3 Sn
Ag + K4[Fe(Cn)6] = Ag[Fe(Cn)6] + K =>
Ag + K4[Fe(Cn)6] = Ag[Fe(Cn)6] + 4 K
Na2Cr2O7 + H2SO4 + NaBr = Cr2(SO4)3 + Br2 + NaSO4 + H2O =>
Na2Cr2O7 + 7 H2SO4 + 2 NaBr = Cr2(SO4)3 + Br2 + 4 NaSO4 + 7 H2O
MnO4{-} + H2O + {-} = Mn{2+} + OH{-} =>
MnO4{-} + 4 H2O + 5e = Mn{2+} + 8 OH{-}
CuO + CO2 + H2O = Cu2(OH)2CO3 =>
2 CuO + CO2 + H2O = Cu2(OH)2CO3
ON + H2 = H2O + N2 =>
2 ON + 2 H2 = 2 H2O + N2
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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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