| Équations équilibrées la veille |
24 FeSO4 + 6 HBrO2 + 9 H2SO4 = 11 Fe2(SO4)3 + 2 FeBr3 + 12 H2O
P4 + S = P3S3 =>
3 P4 + 12 S = 4 P3S3
G = G2 =>
2 G = G2
HBr + CuZn = BrZn + Cu + H2 =>
2 HBr + 2 CuZn = 2 BrZn + 2 Cu + H2
Zn{2+} + S{2-} = ZnS(s) =>
Zn{2+} + S{2-} = ZnS(s)
(NH4)2SO4(aq) + NaOH(aq) = NH4OH + Na2SO4 =>
(NH4)2SO4(aq) + 2 NaOH(aq) = 2 NH4OH + Na2SO4
I2 + NaAt = I2NaAt =>
I2 + NaAt = I2NaAt
K2CO3 + Fe3Br8 = KBr + Fe3O4 + CO2 =>
4 K2CO3 + Fe3Br8 = 8 KBr + Fe3O4 + 4 CO2
Cu(OH)2 + Fe = Fe(OH)2 + Cu =>
Cu(OH)2 + Fe = Fe(OH)2 + Cu
Gd2O3 + HI = GdI3 + H2O =>
Gd2O3 + 6 HI = 2 GdI3 + 3 H2O
HNO3 + Br2 = HBrO3 + H2O + NO2 =>
10 HNO3 + Br2 = 2 HBrO3 + 4 H2O + 10 NO2
BaCl2 + CoSO4 = BaSO4 + Cl2Co =>
BaCl2 + CoSO4 = BaSO4 + Cl2Co
C + H2 + O2 = CHO =>
2 C + H2 + O2 = 2 CHO
HMnO4 + H2SO4 + KF = MnSO4 + H2O + F2 + K2SO4 =>
2 HMnO4 + 7 H2SO4 + 10 KF = 2 MnSO4 + 8 H2O + 5 F2 + 5 K2SO4
S2O8{2-} + Cr{3+} + H2O = Cr2O7{2-} + SO4{2-} + H{+} =>
3 S2O8{2-} + 2 Cr{3+} + 7 H2O = Cr2O7{2-} + 6 SO4{2-} + 14 H{+}
MgCl2(ac) + NaOH(ac) = Mg(OH)2(s) + NaCl(ac) =>
MgCl2(ac) + 2 NaOH(ac) = Mg(OH)2(s) + 2 NaCl(ac)
Mg3(PO4)2 + NaOH = Mg(OH)2 + Na3(PO4) =>
Mg3(PO4)2 + 6 NaOH = 3 Mg(OH)2 + 2 Na3(PO4)
HgO + H2SO3 = HgSO3 + H2O =>
HgO + H2SO3 = HgSO3 + H2O
PCl4 + H2O = HCl + O2 + P =>
PCl4 + 2 H2O = 4 HCl + O2 + P
Cu + Be(Ag2)3 = BeCu + Ag =>
Cu + Be(Ag2)3 = BeCu + 6 Ag
Rb2SO3(s) + Hg(NO3)2 = HgSO3(s) + RbNO3(aq) =>
Rb2SO3(s) + Hg(NO3)2 = HgSO3(s) + 2 RbNO3(aq)
(NH4)2CO3 + HCl = NH4Cl + H2O + CO2 =>
(NH4)2CO3 + 2 HCl = 2 NH4Cl + H2O + CO2
ZnO + Ca(OH)2 = CaZnO2 + H2O =>
ZnO + Ca(OH)2 = CaZnO2 + H2O
H2S + Na2SO3 = H2O + Na + S =>
3 H2S + Na2SO3 = 3 H2O + 2 Na + 4 S
LaCl3 + Ca(OH)2 = La(OH)3 + CaCl2 =>
2 LaCl3 + 3 Ca(OH)2 = 2 La(OH)3 + 3 CaCl2
FeSO4 + Ba(OH)2 = Fe(OH)3 + Ba3(SO4)2 =>
2 FeSO4 + 3 Ba(OH)2 = 2 Fe(OH)3 + Ba3(SO4)2
KMnO4 + HCl + NaSO3 = MnCl2 + KCl + NaSO4 + H2O =>
2 KMnO4 + 6 HCl + 5 NaSO3 = 2 MnCl2 + 2 KCl + 5 NaSO4 + 3 H2O
N2S3 + AuClO = N(ClO)3 + Au2S =>
N2S3 + 6 AuClO = 2 N(ClO)3 + 3 Au2S
Al + HBr = AlBr3 + H2 =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
Cl2 + Br2 = BrCl =>
Cl2 + Br2 = 2 BrCl
FeO3 + C = FeCO3 =>
FeO3 + C = FeCO3
K3PO4(ac) + BaCl2(ac) = Ba3(PO4)2(s) + KCl(ac) =>
2 K3PO4(ac) + 3 BaCl2(ac) = Ba3(PO4)2(s) + 6 KCl(ac)
K + H3PO4 = H2 + K3PO4 =>
6 K + 2 H3PO4 = 3 H2 + 2 K3PO4
KBr + Cl{2-} = KCl + Br{2-} =>
KBr + Cl{2-} = KCl + Br{2-}
PbCrO4 + OH{-} = Pb(OH)4{2-} + CrO4{2-} =>
PbCrO4 + 4 OH{-} = Pb(OH)4{2-} + CrO4{2-}
Cl2 + I{-} = I2 + Cl{-} =>
Cl2 + 2 I{-} = I2 + 2 Cl{-}
KMnO4 + KI + H2SO4 = MnO2 + I2 + KOH + K2SO4 =>
2 KMnO4 + 6 KI + 2 H2SO4 = 2 MnO2 + 3 I2 + 4 KOH + 2 K2SO4
K2Mn2O7 + HCl = MnCl2 + KCl + Cl2 + H2O =>
K2Mn2O7 + 14 HCl = 2 MnCl2 + 2 KCl + 4 Cl2 + 7 H2O
K2SO3 + HBr = K2Br + SO3H =>
K2SO3 + HBr = K2Br + SO3H
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ca(OH)2 + Na2CO3 = CaCO3 + NaOH =>
Ca(OH)2 + Na2CO3 = CaCO3 + 2 NaOH
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
NaCl + SmCl3 = Na3Sm7Cl24 =>
3 NaCl + 7 SmCl3 = Na3Sm7Cl24
Hg2(NO3)2 + CaCl2 = Ca(NO3)2 + Hg2Cl2 =>
Hg2(NO3)2 + CaCl2 = Ca(NO3)2 + Hg2Cl2
Al2(SO4)3 + Ca(OH)2 = CaSO4 + Al(OH)3 =>
Al2(SO4)3 + 3 Ca(OH)2 = 3 CaSO4 + 2 Al(OH)3
N2O3 + Ca(OH)2 = Ca3(NO3)2 + H2O =>
N2O3 + 3 Ca(OH)2 = Ca3(NO3)2 + 3 H2O
H2SO4 + Ca3P2 = SO2 + Ca3(PO4)2 + H2O =>
8 H2SO4 + Ca3P2 = 8 SO2 + Ca3(PO4)2 + 8 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
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