| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KI + 2 H2SO4 = K2SO4 + I2 + SO2 + 2 H2O
H2SO4 + KI = KHSO4 + I2 + H2O + H2S =>
9 H2SO4 + 8 KI = 8 KHSO4 + 4 I2 + 4 H2O + H2S
Cr(HCO3)3 = Cr2(CO3)3 + CO2 + H2O =>
2 Cr(HCO3)3 = Cr2(CO3)3 + 3 CO2 + 3 H2O
H2SO4 + KI = KHSO4 + I2 + H2O + H2S =>
9 H2SO4 + 8 KI = 8 KHSO4 + 4 I2 + 4 H2O + H2S
Hg2(NO3)2 + K3PO4 = Hg3(PO4) + KNO3 =>
3 Hg2(NO3)2 + 2 K3PO4 = 2 Hg3(PO4) + 6 KNO3
C5H10O + NaBH4 = C5H12O + NaBH2 =>
C5H10O + NaBH4 = C5H12O + NaBH2
Fe(OH)3(aq) + HNO3(aq) = Fe(NO3)3 + H2O =>
Fe(OH)3(aq) + 3 HNO3(aq) = Fe(NO3)3 + 3 H2O
AlBr3 + K2S = KBr + Al2S3 =>
2 AlBr3 + 3 K2S = 6 KBr + Al2S3
ZnBrHCl = ZnClHBr =>
ZnBrHCl = ZnClHBr
Cr(HCO3)3 = Cr2(CO3)3 + CO2 + H2O =>
2 Cr(HCO3)3 = Cr2(CO3)3 + 3 CO2 + 3 H2O
MnO2 + H2O + Zn = Mn(OH)2 + Zn(OH)2 =>
MnO2 + 2 H2O + Zn = Mn(OH)2 + Zn(OH)2
Hg2(NO3)2 + K3PO4 = (Hg2)3(PO4)2 + KNO3 =>
3 Hg2(NO3)2 + 2 K3PO4 = (Hg2)3(PO4)2 + 6 KNO3
Cr(HCO3)3 = Cr2(CO3)3 + CO2 + H2O =>
2 Cr(HCO3)3 = Cr2(CO3)3 + 3 CO2 + 3 H2O
CaCO3 + HCl(aq) = CaCl2(aq) + CO2 + H2O =>
CaCO3 + 2 HCl(aq) = CaCl2(aq) + CO2 + H2O
C20H80 + O2 = CO2 + H2O =>
C20H80 + 40 O2 = 20 CO2 + 40 H2O
CH3 + COOH + KOH = KCH3CO2 + H2O =>
CH3 + COOH + KOH = KCH3CO2 + H2O
Fe(OH)3 + H2C2O4 = Fe + H2O + C2O4 =>
2 Fe(OH)3 + 3 H2C2O4 = 2 Fe + 6 H2O + 3 C2O4
SO2 + Ba(OH)2 = BaSO3 + H2O =>
SO2 + Ba(OH)2 = BaSO3 + H2O
Na(g) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(g) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
V9As11 + Ni = VAs + NiAs =>
V9As11 + 2 Ni = 9 VAs + 2 NiAs
CaCl2(aq) + Na3PO4(aq) = Ca3(PO4)2 + NaCl(aq) =>
3 CaCl2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2 + 6 NaCl(aq)
(NH{4}){2}S + Pb{3}N{4} = (NH{4}){3}N + Pb{2}S{4} =>
(NH{4}){2}S + Pb{3}N{4} = (NH{4}){3}N + Pb{2}S{4}
NaCl + CaO = CaCl2Na2O =>
2 NaCl + CaO = CaCl2Na2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C6H8O7 + H2O2 = C6H6O7 + H2O =>
C6H8O7 + H2O2 = C6H6O7 + 2 H2O
AlCl3 + KH2PO4 = AlPO4 + KH2Cl3 =>
AlCl3 + KH2PO4 = AlPO4 + KH2Cl3
Fe(OH)3 + H3(PO4) = Fe(PO4) + H(OH) =>
Fe(OH)3 + H3(PO4) = Fe(PO4) + 3 H(OH)
Be + N = Be3N2 =>
3 Be + 2 N = Be3N2
Al + HSO4 = Al2(SO4)3 + H2 =>
4 Al + 6 HSO4 = 2 Al2(SO4)3 + 3 H2
ZnSNH3 = Zn(NH3)S =>
ZnSNH3 = Zn(NH3)S
FeCl2 + K(MnO4) + HCl = FeCl3 + KCl + MnCl2 + H2O =>
5 FeCl2 + K(MnO4) + 8 HCl = 5 FeCl3 + KCl + MnCl2 + 4 H2O
Pb + AgNO3 = Ag + (PbNO3)2 =>
2 Pb + 2 AgNO3 = 2 Ag + (PbNO3)2
XC2H6O + O2 = XC2H4O2 + H2O =>
XC2H6O + O2 = XC2H4O2 + H2O
C6H5COOK + C2H5OH = C6H5COOC2H5 + KOH =>
C6H5COOK + C2H5OH = C6H5COOC2H5 + KOH
Ba(OH)2 + Na2O = BaO + NaOH =>
Ba(OH)2 + Na2O = BaO + 2 NaOH
V9As11 + Ni = VAs + NiAs =>
V9As11 + 2 Ni = 9 VAs + 2 NiAs
C6H4(CO2H)2 + HOCH2CH2OH = [(CO)C6H4(CO2CH2CH2O)] + H2O =>
C6H4(CO2H)2 + HOCH2CH2OH = [(CO)C6H4(CO2CH2CH2O)] + 2 H2O
H2S + Na = Na2S + H2 =>
H2S + 2 Na = Na2S + H2
AgClO4 = Ag + ClO4 =>
AgClO4 = Ag + ClO4
CsOH + H2SO4 = Cs2 + SO4 + H2OH =>
2 CsOH + 2 H2SO4 = Cs2 + 2 SO4 + 2 H2OH
HgHCl = HHgCl =>
HgHCl = HHgCl
H2SO4(aq) = SO3(g) + H2O(l) =>
H2SO4(aq) = SO3(g) + H2O(l)
C4H9NO + O2 = CO2 + H2O + NO2 =>
4 C4H9NO + 27 O2 = 16 CO2 + 18 H2O + 4 NO2
Ca(CH3COO)2 = CaCO3 + CH3COCH3 =>
Ca(CH3COO)2 = CaCO3 + CH3COCH3
Al(C2H3O2)3 + H2SO4 = Al2(SO4)3 + HC2H3O2 =>
2 Al(C2H3O2)3 + 3 H2SO4 = Al2(SO4)3 + 6 HC2H3O2
MgO + C + HCl = MgCl2 + H2 + CO2 =>
2 MgO + C + 4 HCl = 2 MgCl2 + 2 H2 + CO2
Fe(SO4) + Ba(OH)2 = Fe(OH)2 + Ba(SO4) =>
Fe(SO4) + Ba(OH)2 = Fe(OH)2 + Ba(SO4)
Na2S2O4 + K2Cr2O7 + H2SO4 = Na2SO4 + K2SO4 + Cr2(SO4)3 + H2S =>
16 Na2S2O4 + 4 K2Cr2O7 + 9 H2SO4 = 16 Na2SO4 + 4 K2SO4 + 4 Cr2(SO4)3 + 9 H2S
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
NaCl + MnO2 + H2SO4 = NaHSO4 + MnCl2 + Cl2 + H2O =>
4 NaCl + MnO2 + 4 H2SO4 = 4 NaHSO4 + MnCl2 + Cl2 + 2 H2O
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Équations équilibrées sur07/11/24
Équations équilibrées sur08/10/23
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