| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 AuCl3 + 9 NaOH + 3 HCOH = 2 Au + 6 NaCl + 3 HCOONa + 6 H2O
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Sc + H2O = Sc(OH)3 + H2 =>
2 Sc + 6 H2O = 2 Sc(OH)3 + 3 H2
Al(s) + Fe2O3(s) = Al2O3 + Fe(l) =>
2 Al(s) + Fe2O3(s) = Al2O3 + 2 Fe(l)
Sn(OH)2 + NaOH = SnO2 + Na + H2O =>
Sn(OH)2 + 2 NaOH = SnO2 + 2 Na + 2 H2O
FeS + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 10 H2O + 9 SO2
CuSO4(H2O)5 = CuSO4 + H2O =>
CuSO4(H2O)5 = CuSO4 + 5 H2O
NaOH + Fe2(PO4)3 = Fe2(OH) + Na(PO4)3 =>
NaOH + Fe2(PO4)3 = Fe2(OH) + Na(PO4)3
Cl2 + SnBr4 = BrCl + Sn =>
2 Cl2 + SnBr4 = 4 BrCl + Sn
C8H8O + NaBH4 + C2H5OH = C8H10O + B(OC2H)4Na =>
12 C8H8O + NaBH4 + 4 C2H5OH = 12 C8H10O + B(OC2H)4Na
MoO3 + H2 = Mo + H2O =>
MoO3 + 3 H2 = Mo + 3 H2O
H4P2O7 + Pb(OH)4 = H2O + PbP2O7 =>
H4P2O7 + Pb(OH)4 = 4 H2O + PbP2O7
Fe + I2 = Fe(I2)3 =>
Fe + 3 I2 = Fe(I2)3
Ra + H2O = Ra(OH)2 + H2 =>
Ra + 2 H2O = Ra(OH)2 + H2
CrSO4 + NH4OH = Cr(OH)3 + (NH4)2 + (SO4) =>
2 CrSO4 + 6 NH4OH = 2 Cr(OH)3 + 3(NH4)2 + 2(SO4)
Cu(OH)2 + NaCl = CuCl2 + Na(OH) =>
Cu(OH)2 + 2 NaCl = CuCl2 + 2 Na(OH)
Ca(OH)2 + HC3H5O3 = H2O + Ca(C3H5O3)2 =>
Ca(OH)2 + 2 HC3H5O3 = 2 H2O + Ca(C3H5O3)2
C6H6 + NHO3 = C6NO2H5 + H2O =>
C6H6 + NHO3 = C6NO2H5 + H2O
I2 + NaOH + NaClO3 = NaIO3 + H2O + NaCl =>
3 I2 + 6 NaOH + 5 NaClO3 = 6 NaIO3 + 3 H2O + 5 NaCl
FeBr2 + K2(CO3) = Fe(CO3) + KBr =>
FeBr2 + K2(CO3) = Fe(CO3) + 2 KBr
NaClO + KNO3 = KClO + NaNO3 =>
NaClO + KNO3 = KClO + NaNO3
K2SO3 + MnO2 + NH4Cl = K2SO4 + MnCl2 + NH3 + H2O =>
K2SO3 + MnO2 + 2 NH4Cl = K2SO4 + MnCl2 + 2 NH3 + H2O
Fe2O3(l) + C(s) = Fe(s) + CO2(g) =>
2 Fe2O3(l) + 3 C(s) = 4 Fe(s) + 3 CO2(g)
NaCl(s) + SO2(g) + H2O(g) + O2(g) = Na2SO4(a) + HCl(g) =>
4 NaCl(s) + 2 SO2(g) + 2 H2O(g) + O2(g) = 2 Na2SO4(a) + 4 HCl(g)
Cu(OH)2(s) + HCl = CuCl2 + H2O =>
Cu(OH)2(s) + 2 HCl = CuCl2 + 2 H2O
HBrO2 + NaOH = NaBrO2 + H2O =>
HBrO2 + NaOH = NaBrO2 + H2O
Li + HNO3 = LiNO3 + N2O + H2O =>
8 Li + 10 HNO3 = 8 LiNO3 + N2O + 5 H2O
C8H18O8 + O2 = CO2 + H2O =>
2 C8H18O8 + 17 O2 = 16 CO2 + 18 H2O
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
C6H15Cl2NO + NaOH = NaCl + C6H14Cl1NO + H2O =>
C6H15Cl2NO + NaOH = NaCl + C6H14Cl1NO + H2O
Au(CN) + Zn = Au(s) + Zn(CN)4 =>
4 Au(CN) + Zn = 4 Au(s) + Zn(CN)4
HCl + SnCl2 + K2Cr2O7 = KCl + CrCl + SnCl4 + H2O =>
14 HCl + 5 SnCl2 + K2Cr2O7 = 2 KCl + 2 CrCl + 5 SnCl4 + 7 H2O
CaO + HBr = CaBr2 + H2O =>
CaO + 2 HBr = CaBr2 + H2O
Be + HNO3 = Be(NO3)2 + NO + H2O =>
3 Be + 8 HNO3 = 3 Be(NO3)2 + 2 NO + 4 H2O
Si(s) + HCl(aq) = SiCl4 + H =>
Si(s) + 4 HCl(aq) = SiCl4 + 4 H
Sb2S5 + HNO3 + H2O = H3SbO2 + H2SO4 + NO =>
3 Sb2S5 + 32 HNO3 + 8 H2O = 6 H3SbO2 + 15 H2SO4 + 32 NO
C6H10 + C18H27O = C6H6 + C18H31O =>
C6H10 + C18H27O = C6H6 + C18H31O
KMnO4 + H2O + Na2S2O3 = MnO2 + K2SO4 + KOH + Na2SO4 =>
8 KMnO4 + H2O + 3 Na2S2O3 = 8 MnO2 + 3 K2SO4 + 2 KOH + 3 Na2SO4
Mg + FeCl3 + H2O = MgCl2 + Fe(OH)2 + H2 =>
3 Mg + 2 FeCl3 + 4 H2O = 3 MgCl2 + 2 Fe(OH)2 + 2 H2
HBrO2 + BeClO2 = Be + HBrO2ClO2 =>
HBrO2 + BeClO2 = Be + HBrO2ClO2
C(NH2)2O + NaBrO + NaOH = N2 + Na2CO3 + NaBr + H2O =>
C(NH2)2O + 3 NaBrO + 2 NaOH = N2 + Na2CO3 + 3 NaBr + 3 H2O
Cr2S3 + KClO3 + KOH = K2CrO4 + KCl + K2SO4 + H2O =>
Cr2S3 + 5 KClO3 + 10 KOH = 2 K2CrO4 + 5 KCl + 3 K2SO4 + 5 H2O
ZnS + K2SO4 = ZnSO4 + K2S =>
ZnS + K2SO4 = ZnSO4 + K2S
Co2 + H2O = CoH12 + O =>
Co2 + 12 H2O = 2 CoH12 + 12 O
SrSO3 + CH3COOH = Sr(CH3COO)2 + H2O + SO2 =>
SrSO3 + 2 CH3COOH = Sr(CH3COO)2 + H2O + SO2
FeO + HCN = Fe + HNO2 + CO =>
3 FeO + HCN = 3 Fe + HNO2 + CO
As2S3 + HNO3 + H2O = NO + H3AsO4 + S =>
3 As2S3 + 10 HNO3 + 4 H2O = 10 NO + 6 H3AsO4 + 9 S
H3PO4 + KOH = PO4 + KH + H2O =>
2 H3PO4 + 3 KOH = 2 PO4 + 3 KH + 3 H2O
BF3(s) = B(s) + F2(g) =>
2 BF3(s) = 2 B(s) + 3 F2(g)
Li(ClO3)2 + NH4Cl = LiCl + NH4(ClO3)2 =>
Li(ClO3)2 + NH4Cl = LiCl + NH4(ClO3)2
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Équations équilibrées sur12/17/24
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