| Équations équilibrées la veille |
U(SO4)2 + 4 NaOH = U(OH)4 + 2 Na2SO4
[Ag(H2O)4] + CN = [Ag(CN)2] + H2O =>
[Ag(H2O)4] + 2 CN = [Ag(CN)2] + 4 H2O
NaO2 = Na2O + O2 =>
4 NaO2 = 2 Na2O + 3 O2
K4[Fe(CN)6] + Fe(SCN)3 + KCl = K3(CN)6 + Fe(KSCN)6 + FeCl2 =>
4 K4[Fe(CN)6] + 6 Fe(SCN)3 + 14 KCl = 4 K3(CN)6 + 3 Fe(KSCN)6 + 7 FeCl2
Fe(OH)2 + HNO3 = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 HNO3 = Fe(NO3)2 + 2 H2O
(NH4)2S + O2 = SO3 + NH3 + H2O =>
(NH4)2S + 2 O2 = SO3 + 2 NH3 + H2O
Fe{3+} + SCN{-} = Fe(SCN)6{3-} =>
Fe{3+} + 6 SCN{-} = Fe(SCN)6{3-}
BF3(g) + H2O(l) = H3BO3(aq) + HBF4(aq) =>
4 BF3(g) + 3 H2O(l) = H3BO3(aq) + 3 HBF4(aq)
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
SCN{-} + H2O + Br2 = SO4{-} + CN{-} + Br{-} + H3O{+} =>
2 SCN{-} + 24 H2O + 7 Br2 = 2 SO4{-} + 2 CN{-} + 14 Br{-} + 16 H3O{+}
NaHSO3 = H2O + Na2SO3 + SO2 =>
2 NaHSO3 = H2O + Na2SO3 + SO2
Zn + CuCO{3} = ZnCO{3} + Cu =>
Zn + CuCO{3} = ZnCO{3} + Cu
KMnO4 + H2(SO4) + H2S = K2(SO4) + Mn(SO4) + H2O =>
8 KMnO4 + 7 H2(SO4) + 5 H2S = 4 K2(SO4) + 8 Mn(SO4) + 12 H2O
Cu(s) + Ag(NO3) = Cu(NO3)2 + Ag =>
Cu(s) + 2 Ag(NO3) = Cu(NO3)2 + 2 Ag
AgNO3 + KClO3 = AgClO3 + KNO3 =>
AgNO3 + KClO3 = AgClO3 + KNO3
NH4 + Cu(OH)2 + NH3 = Cu(NH3)4 + H2O =>
2 NH4 + Cu(OH)2 + 2 NH3 = Cu(NH3)4 + 2 H2O
CuCl + NH3 + H2O = [Cu(NH3)2]OH + NH4Cl =>
CuCl + 3 NH3 + H2O = [Cu(NH3)2]OH + NH4Cl
MnCl2 + O2 + KOH + H2O = MnO(OH)3 + KCl =>
4 MnCl2 + 3 O2 + 8 KOH + 2 H2O = 4 MnO(OH)3 + 8 KCl
Al(OH)3 + HSIO3 = Al(SIO3)3 + H2O =>
Al(OH)3 + 3 HSIO3 = Al(SIO3)3 + 3 H2O
(COOH)2(aq) + KMnO4(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + CO2(g) + H2O(l) =>
5(COOH)2(aq) + 2 KMnO4(aq) + 3 H2SO4(aq) = 2 MnSO4(aq) + K2SO4(aq) + 10 CO2(g) + 8 H2O(l)
KOH + MgSO4 = Mg(OH)2 + K2SO4 =>
2 KOH + MgSO4 = Mg(OH)2 + K2SO4
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Zn + K2Cr2O7 + 7 H2SO4 = 3 ZnSO4 + Cr2(SO4)3 + K2SO4 + 7 H2O
SnCl2 + HCl = HSnCl3 =>
SnCl2 + HCl = HSnCl3
CH4 + O2 = CH2O + H2O =>
CH4 + O2 = CH2O + H2O
CU + SO4 = CUSO4 =>
CU + SO4 = CUSO4
C2H6O + Cr2O7{-} + H{+} = C2H4O + H2O + Cr3{+} =>
37 C2H6O + 6 Cr2O7{-} + 10 H{+} = 37 C2H4O + 42 H2O + 4 Cr3{+}
ZnO = O2 + Zn =>
2 ZnO = O2 + 2 Zn
ZnSO4 + Cu = ZnCu + SO4 =>
ZnSO4 + Cu = ZnCu + SO4
Cr2O7{-2} + NH4OH = CrO4{-2} + NH4{+} + H2O =>
Cr2O7{-2} + 2 NH4OH = 2 CrO4{-2} + 2 NH4{+} + H2O
Mg + Zn + HCl = MgZnCl + H =>
Mg + Zn + HCl = MgZnCl + H
CH3COOAg + NH4OH = NH3 + CH3COOH + OHAg =>
CH3COOAg + NH4OH = NH3 + CH3COOH + OHAg
CU + SO4 = CUSO4 =>
CU + SO4 = CUSO4
K2SO4 + Ag(NO3) = K(NO3) + Ag2(SO4) =>
K2SO4 + 2 Ag(NO3) = 2 K(NO3) + Ag2(SO4)
KMnO4 + CH3HOCH2COCH3 = Mn(acac)3 + (CH3CO)2CHCH(CH3CO)2 + KOH + H2O =>
39 KMnO4 + 105 CH3HOCH2COCH3 = 13 Mn(acac)3 + 42(CH3CO)2CHCH(CH3CO)2 + 39 KOH + 159 H2O
KMnO4 + NaOH + NaHSO3 = Na2(MnO4) + K2SO4 + H2O =>
2 KMnO4 + 3 NaOH + NaHSO3 = 2 Na2(MnO4) + K2SO4 + 2 H2O
Na2Cr2O7 + SO2 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
Na2Cr2O7 + 3 SO2 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O
C2H6(g) + O2(g) = CO2(g) + H2(g) =>
C2H6(g) + 2 O2(g) = 2 CO2(g) + 3 H2(g)
Pb(NO3)2 + NH4OH = Pb(OH)2 + NH4(NO3) =>
Pb(NO3)2 + 2 NH4OH = Pb(OH)2 + 2 NH4(NO3)
C6H5CH2CH2Br + KOH = KBr + H2O + C6H5C2H3 =>
C6H5CH2CH2Br + KOH = KBr + H2O + C6H5C2H3
H2S + O2 = H2O + SO4 =>
2 H2S + 5 O2 = 2 H2O + 2 SO4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
KNO3 + Mg + H2O = NH2OH + Mg(OH)2 + KOH =>
KNO3 + 3 Mg + 5 H2O = NH2OH + 3 Mg(OH)2 + KOH
Fe{+3} + e = Fe =>
Fe{+3} + 3e = Fe
F2 + LiBr = FBr + Li =>
F2 + 2 LiBr = 2 FBr + 2 Li
CU + SO4 = CUSO4 =>
CU + SO4 = CUSO4
CuZn + HCl = CuCl + Zn + H = CuZn + HCl = CuCl + Zn + H =>
CuZn + HCl = CuCl + Zn + H
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH4HCO3 = CO2 + H2O + NH3 =>
NH4HCO3 = CO2 + H2O + NH3
SnCl2 + HCl = HSnCl3 =>
SnCl2 + HCl = HSnCl3
C230H71 + O2 = CO2 + H2O =>
4 C230H71 + 991 O2 = 920 CO2 + 142 H2O
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