| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C2H5OH + K2Cr2O7 + 3 H2SO4 = 2 CH3COOH + 5 H2O + K2Cr2(SO4)3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Na2S2O3 + HNO3 = Na2SO4 + S + NO2 + H2O =>
Na2S2O3 + 2 HNO3 = Na2SO4 + S + 2 NO2 + H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
(I)2 + H2S = S + HI =>
(I)2 + H2S = S + 2 HI
Ba(OH)2 + H2O = HBa(OH)2 + OH =>
Ba(OH)2 + H2O = HBa(OH)2 + OH
K2Cr2O7 + H3PO3 + HCl = CrCl3 + H3PO4 + H2O + KCl =>
K2Cr2O7 + 3 H3PO3 + 8 HCl = 2 CrCl3 + 3 H3PO4 + 4 H2O + 2 KCl
Cu(NO3)2(aq) + NaOH(aq) = Cu(OH)2 + NaNO3 =>
Cu(NO3)2(aq) + 2 NaOH(aq) = Cu(OH)2 + 2 NaNO3
CuSO4*5H2O + Al = AlSO4*5H2O + Cu =>
CuSO4*5H2O + Al = AlSO4*5H2O + Cu
Na + HCl + HNO3 = NaCl + NO + H2O =>
3 Na + 3 HCl + HNO3 = 3 NaCl + NO + 2 H2O
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
C + Nb2O5 = NbC + CO =>
7 C + Nb2O5 = 2 NbC + 5 CO
Br2 + OH{-} = Br{-} + BrO{-} + H2O =>
Br2 + 2 OH{-} = Br{-} + BrO{-} + H2O
C5H11Cl + Na = NaCl + C5H11 =>
C5H11Cl + Na = NaCl + C5H11
Zr + HF = F + HZr =>
Zr + HF = F + HZr
Fe(s) + ClO(g) = FeClO(s) =>
Fe(s) + ClO(g) = FeClO(s)
Pb(NO3)2 + Li2(SO4) = Pb(SO4) + LiNO3 =>
Pb(NO3)2 + Li2(SO4) = Pb(SO4) + 2 LiNO3
NaClO2 + C6H8O7 = Na3C6H5O7 + ClO2{-} + H{+} =>
3 NaClO2 + C6H8O7 = Na3C6H5O7 + 3 ClO2{-} + 3 H{+}
MnO4{-} + HSO3{-} + OH{-} = MnO2 + SO4{-2} + H2O =>
2 MnO4{-} + 3 HSO3{-} + OH{-} = 2 MnO2 + 3 SO4{-2} + 2 H2O
C57H110O6 + O2 = CO2(g) + H2O(g) =>
2 C57H110O6 + 163 O2 = 114 CO2(g) + 110 H2O(g)
N2O5 = N2 + O2 =>
2 N2O5 = 2 N2 + 5 O2
Cr2O7{-}2 + H2C2O4 + H{+} = Cr{+}3 + CO2 + H2O =>
2 Cr2O7{-}2 + 11 H2C2O4 + 6 H{+} = 4 Cr{+}3 + 22 CO2 + 14 H2O
Al + Na2CO3 = AlNa2CO3 =>
Al + Na2CO3 = AlNa2CO3
Na(NO3) + H2SO4 = Na2(SO4) + HNO3 =>
2 Na(NO3) + H2SO4 = Na2(SO4) + 2 HNO3
Ag + Pb3(PO4)2 = Pb + Ag3(PO4) =>
6 Ag + Pb3(PO4)2 = 3 Pb + 2 Ag3(PO4)
AgCl + O2 = Ag2O + Cl =>
4 AgCl + O2 = 2 Ag2O + 4 Cl
KHSO3(aq) + NaNO3(aq) = KNO3(aq) + NaHSO3(aq) =>
KHSO3(aq) + NaNO3(aq) = KNO3(aq) + NaHSO3(aq)
HCl + NO3 = HNO3 + Cl =>
HCl + NO3 = HNO3 + Cl
K2Cr2O7 + Na2S + H2O = S + Na3[Cr(OH)6] + KOH =>
K2Cr2O7 + 3 Na2S + 7 H2O = 3 S + 2 Na3[Cr(OH)6] + 2 KOH
C3H8O + HCl = C3H7Cl + H2O =>
C3H8O + HCl = C3H7Cl + H2O
K4[Fe(CN)6] + KMnO4 + H2O = K3[Fe(CN)6] + MnO(OH)2 + KOH =>
3 K4[Fe(CN)6] + KMnO4 + 3 H2O = 3 K3[Fe(CN)6] + MnO(OH)2 + 4 KOH
Zn(OH)2 + Al(OH)3 = ZnAl2O4 + H2O =>
Zn(OH)2 + 2 Al(OH)3 = ZnAl2O4 + 4 H2O
Mn2S3 = MnS + S8 =>
8 Mn2S3 = 16 MnS + S8
FeCr2O4 + NaCO3 + O = NaCrO4 + FeO3 + CO2 =>
FeCr2O4 + 2 NaCO3 + 5 O = 2 NaCrO4 + FeO3 + 2 CO2
Ca3(PO4)2(aq) + H2SO4(aq) = CaSO4(s) + Ca(H2PO4)2(aq) =>
Ca3(PO4)2(aq) + 2 H2SO4(aq) = 2 CaSO4(s) + Ca(H2PO4)2(aq)
(NH4)2SO4 + CuCl2 = (NH4)2Cl2 + CuSO4 =>
(NH4)2SO4 + CuCl2 = (NH4)2Cl2 + CuSO4
H2SO4(aq) + TiO2(s) = H2O2(l) + TiSO4(aq) =>
H2SO4(aq) + TiO2(s) = H2O2(l) + TiSO4(aq)
Na2S + FeCl3 + H2O = Na2SO3 + FeCl2 + HCl =>
Na2S + 6 FeCl3 + 3 H2O = Na2SO3 + 6 FeCl2 + 6 HCl
K2Cr2O7 + K2SO3 + HCl = Cr2(SO4)3 + KCl + H2O =>
K2Cr2O7 + 3 K2SO3 + 8 HCl = Cr2(SO4)3 + 8 KCl + 4 H2O
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
KI + H2SO4 = KHSO4 + I2 + S + H2O =>
6 KI + 7 H2SO4 = 6 KHSO4 + 3 I2 + S + 4 H2O
NH3 + HNO3 = N2O + H2O =>
NH3 + HNO3 = N2O + 2 H2O
MgN + H2O = MgO + NH2 =>
MgN + H2O = MgO + NH2
Cu(s) + H2SO4(ac) = CuSO4(ac) + SO2(g) + H2O =>
Cu(s) + 2 H2SO4(ac) = CuSO4(ac) + SO2(g) + 2 H2O
AgNo3 + ZnCl2 = AgCl2 + ZnNo3 =>
AgNo3 + ZnCl2 = AgCl2 + ZnNo3
IO3{-} + HSO3{-} + OH{-} = I{-} + SO4{2-} + H2O =>
IO3{-} + 3 HSO3{-} + 3 OH{-} = I{-} + 3 SO4{2-} + 3 H2O
B + F = BF3 =>
B + 3 F = BF3
NH4CH3CO2 + HCl = NH4Cl + CH3COOH =>
NH4CH3CO2 + HCl = NH4Cl + CH3COOH
Au + H2O = Au(OH)2 + H2 =>
Au + 2 H2O = Au(OH)2 + H2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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