| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Zn + 3 Cu(SO4)2 = 2 Zn(SO4)3 + 3 Cu
C6H5CH2OH + H2O = H2O3C6H5COO + H =>
C6H5CH2OH + 4 H2O = H2O3C6H5COO + 9 H
C2H4O2 + C3H8O = H2O + C5H10O2 =>
C2H4O2 + C3H8O = H2O + C5H10O2
CO2 + H2O + SO3 = C6H6S + O2 =>
6 CO2 + 3 H2O + SO3 = C6H6S + 9 O2
C11H23O + O2 = CO2 + H2O =>
4 C11H23O + 65 O2 = 44 CO2 + 46 H2O
Mg + HNO2 = Mg(NO2)2 + H2 =>
Mg + 2 HNO2 = Mg(NO2)2 + H2
K3PO4 + Al(NO3)3 = K(NO3)3 + Al3PO4(aq) =>
K3PO4 + 3 Al(NO3)3 = 3 K(NO3)3 + Al3PO4(aq)
FeI2 + K2Cr2O7 + H2SO4 = I2 + Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 FeI2 + K2Cr2O7 + 7 H2SO4 = 2 I2 + Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
CaCl2 + Na2(CO3) = CaCO3 + NaCl =>
CaCl2 + Na2(CO3) = CaCO3 + 2 NaCl
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
CH3OH + Cr2O7 + H{+} = CO2 + H2O + Cr3{+} =>
20 CH3OH + 9 Cr2O7 + 6 H{+} = 20 CO2 + 43 H2O + 6 Cr3{+}
FeNO32 + HNO3 = FeNO33 + NO + H2O =>
3 FeNO32 + 2 HNO3 = 3 FeNO33 + 2 NO + H2O
H2 + Sc = ScH =>
H2 + 2 Sc = 2 ScH
CH3CH2CH2CH2CH2CO2HH2O = CH3CH2CH2CH2CH2CO2H3O =>
CH3CH2CH2CH2CH2CO2HH2O = CH3CH2CH2CH2CH2CO2H3O
BeCl2 + K2CO3 + H2O = (BeOH)2CO3 + KCl + KHCO3 =>
2 BeCl2 + 3 K2CO3 + 2 H2O = (BeOH)2CO3 + 4 KCl + 2 KHCO3
P4 + O2 = P2O8 =>
P4 + 8 O2 = 2 P2O8
ClO4 + NO2 = Cl2 + NO3 =>
2 ClO4 + 8 NO2 = Cl2 + 8 NO3
PCl5 + NH4Cl = PNCl2 + HCl =>
PCl5 + NH4Cl = PNCl2 + 4 HCl
C6H12O + Ag2O = C7H14O2 + Ag =>
7 C6H12O + 5 Ag2O = 6 C7H14O2 + 10 Ag
Mg(k) + O2(d) = MgO2(k) =>
Mg(k) + O2(d) = MgO2(k)
Zn(s) + I(l) + H2O(aq) = ZnO(aq) + IH2(s) =>
Zn(s) + I(l) + H2O(aq) = ZnO(aq) + IH2(s)
NaF + Ba(SO4)2 = BaF + Na(SO4)2 =>
NaF + Ba(SO4)2 = BaF + Na(SO4)2
PbS + HNO2 = Pb(NO3)2 + NO + S + H2O =>
PbS + 8 HNO2 = Pb(NO3)2 + 6 NO + S + 4 H2O
Ca(OH)2 + S = S(OH)2 + Ca =>
Ca(OH)2 + S = S(OH)2 + Ca
Rb(OH) + H(NO) = H(OH) + RbNO =>
Rb(OH) + H(NO) = H(OH) + RbNO
NaOH + PbSO4 = PbSO4OH + Na =>
NaOH + PbSO4 = PbSO4OH + Na
Cu(OH3)2 + NaOH + HCl = NaH2 + CuCl2 + H2O =>
3 Cu(OH3)2 + 4 NaOH + 6 HCl = 4 NaH2 + 3 CuCl2 + 10 H2O
H2SO4 + FeCO3 = FeSO4 + H2O + CO2 =>
H2SO4 + FeCO3 = FeSO4 + H2O + CO2
Ag(NO3) + Ca = Ca(NO3)2 + Ag =>
2 Ag(NO3) + Ca = Ca(NO3)2 + 2 Ag
SiO2(s) + HF(aq) = SiF4 + H2O =>
SiO2(s) + 4 HF(aq) = SiF4 + 2 H2O
Ca(CH3CO2)2 = CaO(CH3)2COCO2 =>
Ca(CH3CO2)2 = CaO(CH3)2COCO2
HCl + MgHCO3 = MgCl + CO2 + H2O =>
HCl + MgHCO3 = MgCl + CO2 + H2O
CaAl2O4 + CH3COOAg = Ag2Al2O4 + (CH3COO)2Ca =>
CaAl2O4 + 2 CH3COOAg = Ag2Al2O4 + (CH3COO)2Ca
K2CrO4 + Mg(ClO3)2 = K(ClO3) + MgCrO4 =>
K2CrO4 + Mg(ClO3)2 = 2 K(ClO3) + MgCrO4
CH4 + S = CS2(l) + H2S(g) =>
CH4 + 4 S = CS2(l) + 2 H2S(g)
LiAl(SiO3)2 + CaO = Li2O + CaSiO3 + Al2O3 =>
2 LiAl(SiO3)2 + 4 CaO = Li2O + 4 CaSiO3 + Al2O3
FeCl3(aq) + NaNO3(aq) = FeNO3(s) + NaCl3(aq) =>
FeCl3(aq) + NaNO3(aq) = FeNO3(s) + NaCl3(aq)
CH3CH2COH + Ag2O = Ag + CH3CH2COOH =>
CH3CH2COH + Ag2O = 2 Ag + CH3CH2COOH
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
CaCrCO3 = CaCO3Cr =>
CaCrCO3 = CaCO3Cr
Zn + H(NO3) = Zn(NO3)2 + H2O + (NH4)(NO3) =>
4 Zn + 10 H(NO3) = 4 Zn(NO3)2 + 3 H2O + (NH4)(NO3)
C7H6N2O4 + HNO3 = H2O + N2O3 + CO =>
2 C7H6N2O4 + 18 HNO3 = 15 H2O + 11 N2O3 + 14 CO
HClO4 + Ag = AgClO4 + HClO3 + H2O =>
3 HClO4 + 2 Ag = 2 AgClO4 + HClO3 + H2O
HNO3 + H2C2O4 = CO2 + NO + H2O =>
2 HNO3 + 3 H2C2O4 = 6 CO2 + 2 NO + 4 H2O
Cu + HgCl2(aq) = CuCl2 + Hg =>
Cu + HgCl2(aq) = CuCl2 + Hg
CaH4(PO4)2 + CaSO4 = Ca3(PO4)2 + H2SO4 =>
CaH4(PO4)2 + 2 CaSO4 = Ca3(PO4)2 + 2 H2SO4
Sr(OH)2 + NH4Cl = SrCl2 + NH3 + H2O =>
Sr(OH)2 + 2 NH4Cl = SrCl2 + 2 NH3 + 2 H2O
KI + Ag(CHCO2) = K(CHCO2) + AgI =>
KI + Ag(CHCO2) = K(CHCO2) + AgI
Br2 + NaOH = NaBrO3 + NaBr3 + H2O =>
8 Br2 + 6 NaOH = NaBrO3 + 5 NaBr3 + 3 H2O
RbOH(s) + CoCl2(s) = RbCl(s) + Co(OH)2() =>
2 RbOH(s) + CoCl2(s) = 2 RbCl(s) + Co(OH)2()
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Équations équilibrées sur02/07/25
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