| Équations équilibrées la veille |
AsO43{-} + 88 Zn + 89 H{+} = AsH3 + 88 Zn{+} + 43 H2O
NH4Cl + Br2 = N2 + HCl + HBr =>
2 NH4Cl + 3 Br2 = N2 + 2 HCl + 6 HBr
S2O3 + NO2 = SO3 + N2O =>
S2O3 + 2 NO2 = 2 SO3 + N2O
PbC2H3O2 + CoCl2 = PbCl2 + CoC2H3O2 =>
PbC2H3O2 + CoCl2 = PbCl2 + CoC2H3O2
Zn + HNO3 + H{+} = NO + H2O + Zn{2+} =>
3 Zn + 2 HNO3 + 6 H{+} = 2 NO + 4 H2O + 3 Zn{2+}
HI + Sr(OH)2 = H2O + I2Sr =>
2 HI + Sr(OH)2 = 2 H2O + I2Sr
Sn + HCl = SnCl8 + H2 =>
Sn + 8 HCl = SnCl8 + 4 H2
NaClO + Na2S2O3 + H2O = NaCl + H2SO4 + NaOH =>
4 NaClO + Na2S2O3 + 3 H2O = 4 NaCl + 2 H2SO4 + 2 NaOH
CH3OH(l) + O2 = CO2 + H2O =>
2 CH3OH(l) + 3 O2 = 2 CO2 + 4 H2O
HBr + H2O + Se = H3O + SeBr2 =>
2 HBr + 2 H2O + Se = 2 H3O + SeBr2
C3H6(OH)2 + K2Cr2O7 + H2SO4 = C2H5COOH + K2SO3 + H2O + Cr2(SO4)3 =>
4 C3H6(OH)2 + K2Cr2O7 + 4 H2SO4 = 4 C2H5COOH + K2SO3 + 8 H2O + Cr2(SO4)3
BaCl2 + K(IO3) = Ba(IO3)2 + KCl =>
BaCl2 + 2 K(IO3) = Ba(IO3)2 + 2 KCl
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
Na2Al2F8 + CO2 = NaO + AlO + CF4 =>
Na2Al2F8 + 2 CO2 = 2 NaO + 2 AlO + 2 CF4
C2H7HNO3S + O2 = CO2 + H2O + NO2 + SO2 =>
2 C2H7HNO3S + 9 O2 = 4 CO2 + 8 H2O + 2 NO2 + 2 SO2
F2O7 = F2 + O2 =>
2 F2O7 = 2 F2 + 7 O2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Pb{4+} + H2O = Pb(OH)4 + H{+} =>
Pb{4+} + 4 H2O = Pb(OH)4 + 4 H{+}
S4O6{2-} + BrO3{-} + H2O = SO42{-} + Br{-} + H{+} =>
3 S4O6{2-} + 161 BrO3{-} + 3 H2O = 12 SO42{-} + 161 Br{-} + 6 H{+}
Fe(Cl)3 + HCl = HFeCl4 =>
Fe(Cl)3 + HCl = HFeCl4
K2CrO4 + H2SO4 = CrO3 + K2SO4 + KOH =>
2 K2CrO4 + H2SO4 = 2 CrO3 + K2SO4 + 2 KOH
HC2H3O2 + NH3 = N(C2H3O2)3 + H =>
3 HC2H3O2 + NH3 = N(C2H3O2)3 + 6 H
BeI2 + Cu2(SO4) = Be(SO4) + CuI =>
BeI2 + Cu2(SO4) = Be(SO4) + 2 CuI
Cr(OH)3 + KOH + Br2 = KBr + K2CrO4 + H2O =>
2 Cr(OH)3 + 10 KOH + 3 Br2 = 6 KBr + 2 K2CrO4 + 8 H2O
K3PO4 + HCl + MgCl2 + NH3 = MgNH4PO4 + K{+} + Cl{-} =>
K3PO4 + HCl + MgCl2 + NH3 = MgNH4PO4 + 3 K{+} + 3 Cl{-}
NO2 + Cr2O7{-2} + H{+} = NO3{-} + Cr{+3} + H2O =>
6 NO2 + Cr2O7{-2} + 2 H{+} = 6 NO3{-} + 2 Cr{+3} + H2O
CuSO4 + C = Cu + CO2 + SO2 =>
CuSO4 + C = Cu + CO2 + SO2
K2Cr2O7 + H2C2O4*2H2O = K[Cr(H2O2)(C2O4)2]*2H2O + H2O + CO2 =>
K2Cr2O7 + 5 H2C2O4*2H2O = 2 K[Cr(H2O2)(C2O4)2]*2H2O + 9 H2O + 2 CO2
HgS + HNO3 + HCl = HgCl2 + NO + S + H2O =>
3 HgS + 2 HNO3 + 6 HCl = 3 HgCl2 + 2 NO + 3 S + 4 H2O
C4 = C =>
C4 = 4 C
CrO32{-} + SO32{-} + H3O{+} = Cr3{+} + SO42{-} + H2O =>
15 CrO32{-} + 47 SO32{-} + 20 H3O{+} = 5 Cr3{+} + 47 SO42{-} + 30 H2O
BeCl2 + K2CO3 + H2O = (BeOH)2CO3 + KCl + KHCO3 =>
2 BeCl2 + 3 K2CO3 + 2 H2O = (BeOH)2CO3 + 4 KCl + 2 KHCO3
HIO3 + HI = I2 + H2O =>
HIO3 + 5 HI = 3 I2 + 3 H2O
C4 = C =>
C4 = 4 C
HCl + H2MgO2 = MgO2HCl + H2 =>
HCl + H2MgO2 = MgO2HCl + H2
As2O5 = As2O3O2 =>
As2O5 = As2O3O2
C2H5Br + NaOH = C2H5OH + NaBr =>
C2H5Br + NaOH = C2H5OH + NaBr
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
ZnBr2(aq) + K3PO4(aq) = ZnPO4(s) + K3Br2(aq) =>
ZnBr2(aq) + K3PO4(aq) = ZnPO4(s) + K3Br2(aq)
N(s) + O2(g) = NO(g) =>
2 N(s) + O2(g) = 2 NO(g)
CH3CH2CH2CH2OH2 + Br = CH3CH2CH2CH2Br + H2O =>
CH3CH2CH2CH2OH2 + Br = CH3CH2CH2CH2Br + H2O
Na[Sb(OH)4] + AgNO3 + H2O = Na[Sb(OH)6] + Ag2O + NO2 =>
Na[Sb(OH)4] + 2 AgNO3 + H2O = Na[Sb(OH)6] + Ag2O + 2 NO2
CH3COOH + Ag2O = CH3CO3H + Ag =>
CH3COOH + Ag2O = CH3CO3H + 2 Ag
C7O2NH7 + CH3CH2OH = C9O2NH11 + H2O =>
C7O2NH7 + CH3CH2OH = C9O2NH11 + H2O
K2Mn2O7 + HCl = MnCl3 + Cl2 + H2O + KCl =>
K2Mn2O7 + 14 HCl = 2 MnCl3 + 3 Cl2 + 7 H2O + 2 KCl
KMnO4 + C6H5CHO = C6H5COOH + K + Mn2 =>
2 KMnO4 + 8 C6H5CHO = 8 C6H5COOH + 2 K + Mn2
Cl2 + GaI3 = GaCl3 + I2 =>
3 Cl2 + 2 GaI3 = 2 GaCl3 + 3 I2
C12H22O11 + CH3OOH = C3H6O3 =>
3 C12H22O11 + 3 CH3OOH = 13 C3H6O3
CuO + K2SO3 = CuSO4 + K =>
CuO + K2SO3 = CuSO4 + 2 K
Sn(s) + Cu(CH3COO)2(aq) = Sn(CH3COO)2(aq) + Cu(s) =>
Sn(s) + Cu(CH3COO)2(aq) = Sn(CH3COO)2(aq) + Cu(s)
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