| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CaBr2 + 2 K2CO3 = Ca2(CO3)2 + 4 KBr
K4Fe(CN)6 + H2SO4 + KMnO4 = MnSO4 + K2SO4 + Fe2(SO4)3 + HNO3 + H2O + CO2 =>
10 K4Fe(CN)6 + 218 H2SO4 + 122 KMnO4 = 122 MnSO4 + 81 K2SO4 + 5 Fe2(SO4)3 + 60 HNO3 + 188 H2O + 60 CO2
MnO + O2 = MnO2 =>
2 MnO + O2 = 2 MnO2
P3N5 + O2 = P2O5 + N5 =>
4 P3N5 + 15 O2 = 6 P2O5 + 4 N5
HgCl2 + Fe = Hg + FeCl3 =>
3 HgCl2 + 2 Fe = 3 Hg + 2 FeCl3
MgCl2(aq) + NaOH(aq) = NaCl + Mg(OH)2 =>
MgCl2(aq) + 2 NaOH(aq) = 2 NaCl + Mg(OH)2
C6H5COH2 + H2O = H3O + C6H5CO =>
C6H5COH2 + 2 H2O = 2 H3O + C6H5CO
NaO + H2SO4 = NaSO4 + H2O =>
NaO + H2SO4 = NaSO4 + H2O
Mn{+4} + O{-2} = MnO{2} =>
Mn{+4} + O{-2} = MnO{2}
BaO2 + KI + HCl = KCl + BaCl2 + H2O + I2 =>
BaO2 + 2 KI + 4 HCl = 2 KCl + BaCl2 + 2 H2O + I2
Mg + H2SO4 = Mg2SO3 + H2O =>
2 Mg + H2SO4 = Mg2SO3 + H2O
NaBiO3 + HCl = Bi2O3 + Cl2 + NaCl + H2O =>
2 NaBiO3 + 6 HCl = Bi2O3 + 2 Cl2 + 2 NaCl + 3 H2O
BaCl2 + Ca(NO3)2 = BaCa + ClNO3 =>
BaCl2 + Ca(NO3)2 = BaCa + 2 ClNO3
HCH2CHCO2 + OH{-} = H2O + CHCHCOOH{-} =>
HCH2CHCO2 + OH{-} = H2O + CHCHCOOH{-}
Al + Cu{+20} = Al{+3} + Cu =>
20 Al + 3 Cu{+20} = 20 Al{+3} + 3 Cu
Cu(NO3)2*3H2O + H2SO4 = CuSO4 + H2O + NO3 + H =>
Cu(NO3)2*3H2O + H2SO4 = CuSO4 + 3 H2O + 2 NO3 + 2 H
Na2SO4 = Na + SO4 =>
Na2SO4 = 2 Na + SO4
SrAl2Si2O8 + H4SiO4 + H = Al2Si4O10(OH)2 + Sr + H2O =>
SrAl2Si2O8 + 2 H4SiO4 + 2 H = Al2Si4O10(OH)2 + Sr + 4 H2O
HI + HIO3 = HO2 + I2 =>
2 HI + 4 HIO3 = 6 HO2 + 3 I2
Li + B = LiB =>
Li + B = LiB
HSO4 + OHNa = HOH + SO4Na =>
HSO4 + OHNa = HOH + SO4Na
Cl2(g) + KBr(aw) = ClBr + K2 =>
Cl2(g) + 2 KBr(aw) = 2 ClBr + K2
KClCUCl = CUKCl2 =>
KClCUCl = CUKCl2
Al2O3 + H2 = Al2O + H2O =>
Al2O3 + 2 H2 = Al2O + 2 H2O
HBr + Zn2(CO3) = H2CO3 + ZnBr =>
2 HBr + Zn2(CO3) = H2CO3 + 2 ZnBr
H2Ag + NaOH = Na2Ag + H2O =>
H2Ag + 2 NaOH = Na2Ag + 2 H2O
K2Cr2O7 + CH3CH(OH)CH3 + H2(SO4) = K2(SO4) + Cr2(SO4)3 + CH3COCH3 + H2O =>
K2Cr2O7 + 3 CH3CH(OH)CH3 + 4 H2(SO4) = K2(SO4) + Cr2(SO4)3 + 3 CH3COCH3 + 7 H2O
Zn + H2ONaOH = Na2[Zn(OH)4] + H2 =>
Zn + 2 H2ONaOH = Na2[Zn(OH)4] + H2
Br2 + HClO + H2O = HBrO9 + HCl =>
Br2 + 17 HClO + H2O = 2 HBrO9 + 17 HCl
Na2CO3 + CuSO4*5H2O = CuCO3 + Na2SO4*5H2O =>
Na2CO3 + CuSO4*5H2O = CuCO3 + Na2SO4*5H2O
C2H6 + Br2 = C6H5Br + HBr =>
3 C2H6 + 7 Br2 = C6H5Br + 13 HBr
C2NH7 + O2 = N2 + CO2 + H2O =>
4 C2NH7 + 15 O2 = 2 N2 + 8 CO2 + 14 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
As2S5 + H2O2 + NH4OH = (NH4)3AsO4 + H2O + (NH4)2SO4 =>
As2S5 + 20 H2O2 + 16 NH4OH = 2(NH4)3AsO4 + 28 H2O + 5(NH4)2SO4
HCl(hydrochloricacid) + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl(hydrochloricacid) + CaCO3 = CaCl2 + H2O + CO2
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Co + Ag{+} = Co{2} + Ag =>
Co + 2 Ag{+} = Co{2} + 2 Ag
C7H6O2 + C2H4(NH2)2 = C16H16N2O2 + H2O =>
2 C7H6O2 + C2H4(NH2)2 = C16H16N2O2 + 2 H2O
Na2SO4 = Na{+} + SO4{2-} =>
Na2SO4 = 2 Na{+} + SO4{2-}
ZnOH2O = Zn(OH)2 =>
ZnOH2O = Zn(OH)2
I2 + CCl4 = I2(CCl4) =>
I2 + CCl4 = I2(CCl4)
H3C6H5O7 + Ca(OH)2 = Ca3(C6H5O7)2 + HOH =>
2 H3C6H5O7 + 3 Ca(OH)2 = Ca3(C6H5O7)2 + 6 HOH
GaBr3 + K2SO4 = KBr + Ga2(SO4)3 =>
2 GaBr3 + 3 K2SO4 = 6 KBr + Ga2(SO4)3
KMnO4 + H2SO4 + FeSO4(NH4)2SO4(H2O)6 = K2SO4 + MnSO4 + Fe2(SO4)3 + (NH4)2SO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 FeSO4(NH4)2SO4(H2O)6 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 10(NH4)2SO4 + 68 H2O
H2S2O3 + HNO3 + H2O = H2SO4 + HNO2 =>
H2S2O3 + 4 HNO3 + H2O = 2 H2SO4 + 4 HNO2
C6H + O = CO + H2O =>
2 C6H + 13 O = 12 CO + H2O
K2SO3 + HBr = KBr + H2SO3 =>
K2SO3 + 2 HBr = 2 KBr + H2SO3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 = K4Fe(C2O4)3*3H2O + (NH4)2(SO4) + H2SO4 + H2O =>
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + 2 K2C2O4 = K4Fe(C2O4)3*3H2O + (NH4)2(SO4) + H2SO4 + 3 H2O
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Équations équilibrées sur12/12/24
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