| Équations équilibrées la veille |
CaCO3 + 2 HI = CaI2 + H2O + CO2
Mn(NO3)4 + BaSO4 = Ba(NO3)2 + Mn(SO4)2 =>
Mn(NO3)4 + 2 BaSO4 = 2 Ba(NO3)2 + Mn(SO4)2
Mg(NO3)2 + H2SO4 = H(NO3)2 + Mg2SO4 =>
2 Mg(NO3)2 + H2SO4 = 2 H(NO3)2 + Mg2SO4
H2SO4 + HI = SO2 + I2 + H2O =>
H2SO4 + 2 HI = SO2 + I2 + 2 H2O
Na + (OH)2 = Na(OH)2 =>
Na + (OH)2 = Na(OH)2
As2S3 + HNO3 = H2O + H2SO4 + H3AsO4 + NO2 =>
As2S3 + 28 HNO3 = 8 H2O + 3 H2SO4 + 2 H3AsO4 + 28 NO2
Pb2O3 = O2 + PbO =>
2 Pb2O3 = O2 + 4 PbO
BaO2 + Cr2(SO4)3 + NaOH = Na2CrO4 + BaSO4 + H2O =>
3 BaO2 + Cr2(SO4)3 + 4 NaOH = 2 Na2CrO4 + 3 BaSO4 + 2 H2O
S2H2 + O2 = SO2 + H2O =>
2 S2H2 + 5 O2 = 4 SO2 + 2 H2O
P + H2 = PH3(g) =>
2 P + 3 H2 = 2 PH3(g)
K3[Cr(C2O4)3]*3H2O + NaOH = Cr(OH)3 + K{+} + C2O42{-} + Na + H2O =>
K3[Cr(C2O4)3]*3H2O + 231 NaOH = Cr(OH)3 + 3 K{+} + 3 C2O42{-} + 231 Na + 117 H2O
Ca(OH)2 + CO3 = CaCO3 + OH =>
Ca(OH)2 + CO3 = CaCO3 + 2 OH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Ag2CO3 + HNO3 = AgNO3 + H2CO3 =>
Ag2CO3 + 2 HNO3 = 2 AgNO3 + H2CO3
CaCl2 + NaHCO3 = NaCl + CaCO3 + CO2 + H2O =>
CaCl2 + 2 NaHCO3 = 2 NaCl + CaCO3 + CO2 + H2O
Cl2O5 + H2O = HClO3 =>
Cl2O5 + H2O = 2 HClO3
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
OH = H2O + O2 =>
4 OH = 2 H2O + O2
CoCl3(aq) + NaOH(aq) = Co(OH)3 + NaCl =>
CoCl3(aq) + 3 NaOH(aq) = Co(OH)3 + 3 NaCl
Co{2+} + Cl{-} = Co(Cl)4{2-} =>
Co{2+} + 4 Cl{-} = Co(Cl)4{2-}
Pb(NO3)2 + HCl = NO + Cl2 + PbO + H2O =>
Pb(NO3)2 + 6 HCl = 2 NO + 3 Cl2 + PbO + 3 H2O
H2S + I2 = HI + S =>
H2S + I2 = 2 HI + S
KMnO4 + SnCl2 + H2SO4 = Cl2 + MnSO4 + Sn(SO4)2 + K2SO4 + H2O =>
4 KMnO4 + 5 SnCl2 + 16 H2SO4 = 5 Cl2 + 4 MnSO4 + 5 Sn(SO4)2 + 2 K2SO4 + 16 H2O
I2 + CCl4 = Cl2 + CI4 =>
2 I2 + CCl4 = 2 Cl2 + CI4
I2 + CCl4 = CI4 + Cl =>
2 I2 + CCl4 = CI4 + 4 Cl
KI + KClO3 = KIO3 + KCl =>
KI + KClO3 = KIO3 + KCl
NH4ReO4 + Re = ReO2 + NH3 + H2O =>
4 NH4ReO4 + 3 Re = 7 ReO2 + 4 NH3 + 2 H2O
KI + KClO3 = KIO3 + KCl =>
KI + KClO3 = KIO3 + KCl
Co{2+} + Cl{-} = CoCl4{2-} =>
Co{2+} + 4 Cl{-} = CoCl4{2-}
KI + KClO3 = KIO3 + KCl =>
KI + KClO3 = KIO3 + KCl
Ca(SO4) + AlCl3 = CaCl2 + Al2(SO4)3 =>
3 Ca(SO4) + 2 AlCl3 = 3 CaCl2 + Al2(SO4)3
I2 + H2S = H{+} + I{-} + S =>
I2 + H2S = 2 H{+} + 2 I{-} + S
K2CO3 + HCN = KCN + H2O + CO2 =>
K2CO3 + 2 HCN = 2 KCN + H2O + CO2
KMnO4 + H2SO4 + SnCl2 = MnSO4 + K2SO4 + Cl2 + SnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 SnCl2 = 2 MnSO4 + K2SO4 + 5 Cl2 + 5 SnSO4 + 8 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Ce{4+} + I{-} + OH{-} = Ce + IO3{-} + H2O =>
3 Ce{4+} + 2 I{-} + 12 OH{-} = 3 Ce + 2 IO3{-} + 6 H2O
I2 + CCl4 = ICl + C =>
2 I2 + CCl4 = 4 ICl + C
Br2 + KI = I + KBr =>
Br2 + 2 KI = 2 I + 2 KBr
BCl3 + H2O = HCl + B(OH)3 =>
BCl3 + 3 H2O = 3 HCl + B(OH)3
AgOH + N2O5 = AgNO3 + H2O =>
2 AgOH + N2O5 = 2 AgNO3 + H2O
Co{2+} + Cl{-} = CoCl4{-2} =>
Co{2+} + 4 Cl{-} = CoCl4{-2}
KMnO4 + H2SO4 + SnCl2 = MnSO4 + K2SO4 + SnCl4 + H2O + Sn(SO4)2 =>
4 KMnO4 + 16 H2SO4 + 10 SnCl2 = 4 MnSO4 + 2 K2SO4 + 5 SnCl4 + 16 H2O + 5 Sn(SO4)2
I2 + CCl4 = CI + Cl =>
I2 + 2 CCl4 = 2 CI + 8 Cl
SiO2 = O2 + Si =>
SiO2 = O2 + Si
Co{2+} + Cl{-} = (CoCl4){2-} =>
Co{2+} + 4 Cl{-} = (CoCl4){2-}
(NH4)2SO3(s) = NH3(g) + SO2(g) + H2O(v) =>
(NH4)2SO3(s) = 2 NH3(g) + SO2(g) + H2O(v)
C3H4O4 = CO2 + CO + H2 =>
C3H4O4 = CO2 + 2 CO + 2 H2
SnCl2 + KMnO4 + H2SO4 = Sn(SO4)2 + SnCl4 + MnCl2 + KCl + H2O =>
5 SnCl2 + 2 KMnO4 + 8 H2SO4 = 4 Sn(SO4)2 + SnCl4 + 2 MnCl2 + 2 KCl + 8 H2O
I2 + CCl4 = Cl2 + CI4 =>
2 I2 + CCl4 = 2 Cl2 + CI4
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