| Équations équilibrées la veille |
NaCl + KF = NaF + KCl
CH3CHOHCOOH + K2Cr2O7 + H2SO4 = CH3COCOOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CHOHCOOH + K2Cr2O7 + 4 H2SO4 = 3 CH3COCOOH + K2SO4 + Cr2(SO4)3 + 7 H2O
KNO3 + FeO = Fe(NO3)2 + K2O =>
2 KNO3 + FeO = Fe(NO3)2 + K2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Na + AlBr3 = NaBr + Al3 =>
9 Na + 3 AlBr3 = 9 NaBr + Al3
Fe(s) + F2(g) = FeF3(s) =>
2 Fe(s) + 3 F2(g) = 2 FeF3(s)
Cr2S3 + O2 = Cr2O3 + SO2 =>
2 Cr2S3 + 9 O2 = 2 Cr2O3 + 6 SO2
H2SO4 + HCl = SO2Cl2 + H2O =>
H2SO4 + 2 HCl = SO2Cl2 + 2 H2O
CuCl2 + Mn = MnCl3 + Cu =>
3 CuCl2 + 2 Mn = 2 MnCl3 + 3 Cu
ZnI2 + Br2 = ZnBr + I =>
2 ZnI2 + Br2 = 2 ZnBr + 4 I
CoCO3 + H2SO4 = CoSO4 + H2O + CO2 =>
CoCO3 + H2SO4 = CoSO4 + H2O + CO2
Li2ON2O3 = LiNO2 =>
Li2ON2O3 = 2 LiNO2
IO2{-} + Sn{2+} + H{+} = I{-} + Sn{4+} + H2O =>
IO2{-} + 2 Sn{2+} + 4 H{+} = I{-} + 2 Sn{4+} + 2 H2O
MnO2 + K2SO4 + H2SO4 = KMnO4 + MnSO4 + H2O =>
5 MnO2 + K2SO4 + 2 H2SO4 = 2 KMnO4 + 3 MnSO4 + 2 H2O
H4O4 = H4O2 + O2 =>
H4O4 = H4O2 + O2
H3 + Cr = CrH3 =>
H3 + Cr = CrH3
AgOH + H2S = Ag2S + H2O =>
2 AgOH + H2S = Ag2S + 2 H2O
H2SO4 + Zn + Ag3PO4 = ZnSO4 + PH3 + Ag + H2O =>
11 H2SO4 + 11 Zn + 2 Ag3PO4 = 11 ZnSO4 + 2 PH3 + 6 Ag + 8 H2O
NaCl + Pb(NO3)2 = PbCl2 + NaNO3 =>
2 NaCl + Pb(NO3)2 = PbCl2 + 2 NaNO3
NaOH = Na + OH =>
NaOH = Na + OH
HCl + Ca = CaCl2 + H2 =>
2 HCl + Ca = CaCl2 + H2
BaCl + NaCO3 = BaCO3 + NaCl =>
BaCl + NaCO3 = BaCO3 + NaCl
Fe + H2SO4 + H2O = FeSO4*7H2O + H2 =>
Fe + H2SO4 + 7 H2O = FeSO4*7H2O + H2
K3P + H2S = K2S + H3P =>
2 K3P + 3 H2S = 3 K2S + 2 H3P
H60 = H =>
H60 = 60 H
FeSO4 + H2S = FeS + H2O + SO3 =>
FeSO4 + H2S = FeS + H2O + SO3
ZnSO4 + NaClO = Na2SO4 + Zn(ClO)2 =>
ZnSO4 + 2 NaClO = Na2SO4 + Zn(ClO)2
Ag(CO3)2 = Ag + CO2 + O2 =>
Ag(CO3)2 = Ag + 2 CO2 + O2
BaCl + NaCO3 = BaCO3 + NaCl =>
BaCl + NaCO3 = BaCO3 + NaCl
Al(OH)3 + Fe2O3 = Al2O3 + Fe(OH)3 =>
2 Al(OH)3 + Fe2O3 = Al2O3 + 2 Fe(OH)3
(CN)2 + H2O = H2C2O4 + NH3 =>
(CN)2 + 4 H2O = H2C2O4 + 2 NH3
BaCl + NaCO3 = BaCO3 + NaCl =>
BaCl + NaCO3 = BaCO3 + NaCl
Cr2I5 + KOH + Br2 = KIO4 + K2CrO4 + KBr + H2O =>
2 Cr2I5 + 112 KOH + 47 Br2 = 10 KIO4 + 4 K2CrO4 + 94 KBr + 56 H2O
NaI + Al2(SO4)3 = Na2SO4 + AlI3 =>
6 NaI + Al2(SO4)3 = 3 Na2SO4 + 2 AlI3
C3H6 + H2O = C3H8O =>
C3H6 + H2O = C3H8O
BaCl + NaCO3 = BaCO3 + NaCl =>
BaCl + NaCO3 = BaCO3 + NaCl
Fe(OH)3 + CuO = Fe2O3 + Cu(OH)2 =>
2 Fe(OH)3 + 3 CuO = Fe2O3 + 3 Cu(OH)2
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
CH3CH2CHBrCH3 + KCN = CH3CH2CH2CH2CN + KBr =>
CH3CH2CHBrCH3 + KCN = CH3CH2CH2CH2CN + KBr
Ni(OH)2 + NH4OH + (NH4)2SO4 = [Ni(NH3)6]SO4 + H2O =>
Ni(OH)2 + 4 NH4OH + (NH4)2SO4 = [Ni(NH3)6]SO4 + 6 H2O
H2O2 + As2S3 + NH4OH = (NH4)3AsO4 + (NH4)2SO4 + H2O =>
14 H2O2 + As2S3 + 12 NH4OH = 2(NH4)3AsO4 + 3(NH4)2SO4 + 20 H2O
FeSO4 + K4(Fe(CN)6) = K2SO4 + Fe2(Fe(CN)6) =>
2 FeSO4 + K4(Fe(CN)6) = 2 K2SO4 + Fe2(Fe(CN)6)
Na3AsO3 + HCl + Mg = AsH3 + MgCl2 + NaCl + H2O =>
Na3AsO3 + 9 HCl + 3 Mg = AsH3 + 3 MgCl2 + 3 NaCl + 3 H2O
NaOHAgNO3 = AgNaNO3OH =>
NaOHAgNO3 = AgNaNO3OH
Cr2(SO4)3 + AgCH3COO = Cr(CH3COO)3 + Ag2SO4 =>
Cr2(SO4)3 + 6 AgCH3COO = 2 Cr(CH3COO)3 + 3 Ag2SO4
XO3{-} + KI + H2SO4 = K2SO4 + H2O + XO + I2 + e =>
XO3{-} + 4 KI + 2 H2SO4 = 2 K2SO4 + 2 H2O + XO + 2 I2 + e
Cr2O3(s) + Si(l) = Cr(l) + SiO2(s) =>
2 Cr2O3(s) + 3 Si(l) = 4 Cr(l) + 3 SiO2(s)
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
As2S + KClO3 + H2O = H3AsO4 + H2SO4 + KCl =>
3 As2S + 8 KClO3 + 12 H2O = 6 H3AsO4 + 3 H2SO4 + 8 KCl
HCl + H2O = Cl2O + H2 =>
2 HCl + H2O = Cl2O + 2 H2
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