| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
Pb(OH)4 + Fe = Fe(OH)2 + Pb =>
Pb(OH)4 + 2 Fe = 2 Fe(OH)2 + Pb
AgNO3 + NaHS = Ag2S + NaNO3 + H2S =>
2 AgNO3 + 2 NaHS = Ag2S + 2 NaNO3 + H2S
C2H6O + H2 = C8H18 + H2O =>
4 C2H6O + H2 = C8H18 + 4 H2O
Rh + Br2 = RhBr3 =>
2 Rh + 3 Br2 = 2 RhBr3
C6H12O6 + UO2{2+} + H2O = UO2 + CO2 + H{+} =>
C6H12O6 + 12 UO2{2+} + 6 H2O = 12 UO2 + 6 CO2 + 24 H{+}
Al(s) + CuCl = AlCl3 + Cu =>
Al(s) + 3 CuCl = AlCl3 + 3 Cu
As2S3 + H2O2 + OH{-} = AsO3{-}3 + SO4{-}2 + H2O =>
2 As2S3 + 31 H2O2 + 10 OH{-} = 4 AsO3{-}3 + 6 SO4{-}2 + 36 H2O
Ca2OHPO4 + H2SO4 = CaSO4 + H2O + P2O5 =>
2 Ca2OHPO4 + 4 H2SO4 = 4 CaSO4 + 5 H2O + P2O5
Br2 + KI = KBr2 + I2 =>
2 Br2 + 2 KI = 2 KBr2 + I2
PtCl2 + F2 = PtF5 + Cl2 =>
2 PtCl2 + 5 F2 = 2 PtF5 + 2 Cl2
K2CO3 + HClO3 = KClO3 + CO2 + H2O =>
K2CO3 + 2 HClO3 = 2 KClO3 + CO2 + H2O
KMnO4 + MnSO4 + H2O = K2SO4 + MnO2 + H2SO4H2O =>
2 KMnO4 + 3 MnSO4 + 4 H2O = K2SO4 + 5 MnO2 + 2 H2SO4H2O
C4H8O2 + OH = CO2 + H2O =>
C4H8O2 + 20 OH = 4 CO2 + 14 H2O
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
Fe{2}O{3}HC1 = Fe{2}{3}HC1 =>
Fe{2}O{3}HC1 = Fe{2}{3}HC1
Cl + BrK = ClK + Br =>
Cl + BrK = ClK + Br
KI + CuSO4 + H2O = Cu(OH)2 + K2SO4 + HI =>
2 KI + CuSO4 + 2 H2O = Cu(OH)2 + K2SO4 + 2 HI
NaCl(s) = Na(aq) + Cl(aq) =>
NaCl(s) = Na(aq) + Cl(aq)
Pb2CO3(OH)2 + O2 = Pb3O4 + CO2 + H2O =>
3 Pb2CO3(OH)2 + O2 = 2 Pb3O4 + 3 CO2 + 3 H2O
KOH + P + H2O = PH3 + KPH2O2 =>
3 KOH + 4 P + 3 H2O = PH3 + 3 KPH2O2
AI + S = AIS3 =>
AI + 3 S = AIS3
Si + Cl2 = SiCl1 =>
2 Si + Cl2 = 2 SiCl1
CsN = Cs + N =>
CsN = Cs + N
KOH + MgCl2 = KCl + Mg(OH)2 =>
2 KOH + MgCl2 = 2 KCl + Mg(OH)2
NiBr + O2 = Br2 + NiO =>
2 NiBr + O2 = Br2 + 2 NiO
Al2(CO3)3(s) + HNO3(aq) = Al(NO3)3(aq) + H2O(l) + CO2(g) =>
Al2(CO3)3(s) + 6 HNO3(aq) = 2 Al(NO3)3(aq) + 3 H2O(l) + 3 CO2(g)
Ba + SO4 = BaSO4 =>
Ba + SO4 = BaSO4
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
CH2O + I2 + OH{-} = HCOO{-} + I{-} + H2O =>
CH2O + I2 + 3 OH{-} = HCOO{-} + 2 I{-} + 2 H2O
FeCl3(ac) + KSCN(ac) = K3[Fe(SCN)6](ac) + KCl(ac) =>
FeCl3(ac) + 6 KSCN(ac) = K3[Fe(SCN)6](ac) + 3 KCl(ac)
Cu(NO3)2(l) + NaOH(l) = Cu(OH)2(s) + NaNO3(l) =>
Cu(NO3)2(l) + 2 NaOH(l) = Cu(OH)2(s) + 2 NaNO3(l)
Pb(OH)4 + Fe = Fe(OH)2 + Pb =>
Pb(OH)4 + 2 Fe = 2 Fe(OH)2 + Pb
CH3CH2Br2 + Br2 = CH3CHBr2 + HBr =>
2 CH3CH2Br2 + Br2 = 2 CH3CHBr2 + 2 HBr
CrO4{2-} + CN{-} + H2O = CNO{-} + Cr(OH)4{-} + OH{-} =>
2 CrO4{2-} + 3 CN{-} + 5 H2O = 3 CNO{-} + 2 Cr(OH)4{-} + 2 OH{-}
Na3PO4 + AuClO3 = NaClO3 + Au3PO4 =>
Na3PO4 + 3 AuClO3 = 3 NaClO3 + Au3PO4
CuSO4 + NaOH + Na3PO4 = NaSO4 + Na3OH + Cu3(PO4)2 =>
6 CuSO4 + 3 NaOH + 4 Na3PO4 = 6 NaSO4 + 3 Na3OH + 2 Cu3(PO4)2
Na2Cr2O7 + H2SO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 H2SO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + 4 H2O
MnSO4 + KOH = Mn(OH)2 + K2SO4 =>
MnSO4 + 2 KOH = Mn(OH)2 + K2SO4
H2S + NaOH = H2O + Na2S =>
H2S + 2 NaOH = 2 H2O + Na2S
K2Cr2O7 + H2SO4 + H2O2 + C2H5OC2H5 = CrO(O2)2C4H10O + H2O + K2SO4 =>
K2Cr2O7 + H2SO4 + 4 H2O2 + 2 C2H5OC2H5 = 2 CrO(O2)2C4H10O + 5 H2O + K2SO4
NaOH(aq) + AgNO3 = AgOH(aq) + NaNO3(aq) =>
NaOH(aq) + AgNO3 = AgOH(aq) + NaNO3(aq)
K3[Fe(CN)6] + Br2 + KOH = K4[Fe(CN)6] + KBrO + H2O =>
2 K3[Fe(CN)6] + Br2 + 4 KOH = 2 K4[Fe(CN)6] + 2 KBrO + 2 H2O
C7H6O + CH3COCH3 = C17H14O + H2O =>
2 C7H6O + CH3COCH3 = C17H14O + 2 H2O
Ca3P2 + H(OH) = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H(OH) = 3 Ca(OH)2 + 2 PH3
C5H12(l) + O2(g) = CO2(g) + H2O(l) =>
C5H12(l) + 8 O2(g) = 5 CO2(g) + 6 H2O(l)
CH3CH2Br2 + Br2 = CH3CHBr2 + HBr =>
2 CH3CH2Br2 + Br2 = 2 CH3CHBr2 + 2 HBr
Ni(NO3)2*6H2O + Fe(NO3)3*9H2O = NiFe2O4 + H2O + HNO3 =>
Ni(NO3)2*6H2O + 2 Fe(NO3)3*9H2O = NiFe2O4 + 20 H2O + 8 HNO3
Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl
CaO(s) + HCl = CaCl2 + H2O =>
CaO(s) + 2 HCl = CaCl2 + H2O
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Équations équilibrées sur10/29/24
Équations équilibrées sur11/28/23
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