| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CH2CH2COOH + PCl5 = CH3CH2CH2COCl + POCl3 + HCl
V + Br2 = VBr4 =>
V + 2 Br2 = VBr4
CoCl + KOH + KClO2 = Co2O3 + KCl + H2O =>
2 CoCl + 2 KOH + KClO2 = Co2O3 + 3 KCl + H2O
AgNo3(aq) + NaI(aq) = AgI(s) + NaNo3(aq) =>
AgNo3(aq) + NaI(aq) = AgI(s) + NaNo3(aq)
C6H7NO3S + Na2CO3 = C6H6NO3SNa + H2O + CO2 =>
2 C6H7NO3S + Na2CO3 = 2 C6H6NO3SNa + H2O + CO2
(NH4)2Cr2O7 = N2Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2Cr2O3 + 4 H2O
AgNO3 + Na2S2O3 + H2O = Ag2S + H2SO4 + NaNO3 =>
2 AgNO3 + Na2S2O3 + H2O = Ag2S + H2SO4 + 2 NaNO3
CuO + CH4 = Cu + CO + H2O =>
3 CuO + CH4 = 3 Cu + CO + 2 H2O
Na2SeO3 + NaIO3 + H2O = H2SeO4 + NaOH + I2 =>
5 Na2SeO3 + 2 NaIO3 + 11 H2O = 5 H2SeO4 + 12 NaOH + I2
Pb2O4 = Pb2O + O =>
Pb2O4 = Pb2O + 3 O
sodiumnitrite + ammoniumchloride = sodiumchloride + water + nitrogen =>
NaNO2 + NH4Cl = NaCl + 2 H2O + N2
nonane + oxygen = water + carbondioxide =>
C9H20 + 14 O2 = 10 H2O + 9 CO2
Al + AgCl = AgAl + Cl =>
Al + AgCl = AgAl + Cl
Zn + (NO3){-} + H{+} = Zn{2+} + (NH4){+} + H2O =>
4 Zn + (NO3){-} + 10 H{+} = 4 Zn{2+} + (NH4){+} + 3 H2O
FeSO4 + HJO3 + H2SO4 = Fe2(SO4)3 + HJ + H2O =>
6 FeSO4 + HJO3 + 3 H2SO4 = 3 Fe2(SO4)3 + HJ + 3 H2O
H(subscript)3PO(subscript)4 + NH(subscript)3 = ((NH(subscript)4)(subscript)3)PO(subscript)4 =>
H(subscript)3PO(subscript)4 + 3 NH(subscript)3 = ((NH(subscript)4)(subscript)3)PO(subscript)4
Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaSO4
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
Cu + HNO3 = Cu2HNO3 =>
2 Cu + HNO3 = Cu2HNO3
H2O2 + HCl + Rh = H3RhCl6 + H2O =>
3 H2O2 + 12 HCl + 2 Rh = 2 H3RhCl6 + 6 H2O
Se2O3 + H2 = SeH2 + O2 =>
2 Se2O3 + 4 H2 = 4 SeH2 + 3 O2
AgNO3(aq) + NH3(aq) = Ag(NH3)2NO3(aq) =>
AgNO3(aq) + 2 NH3(aq) = Ag(NH3)2NO3(aq)
KMnO4 + Na2SO3 + NaOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O =>
2 KMnO4 + Na2SO3 + 2 NaOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O
CaS + Ba = BaS + Ca =>
CaS + Ba = BaS + Ca
SrO2 + HCl = SrCl2 + H2O2 =>
SrO2 + 2 HCl = SrCl2 + H2O2
Na(Au(CN)2) + Zn = Na2(Zn(CN)4) + Au =>
2 Na(Au(CN)2) + Zn = Na2(Zn(CN)4) + 2 Au
Ca + HOH = HCa + OH =>
Ca + HOH = HCa + OH
CO{2+} + [NO2]{-} + H{+} = [CO(NO2)6]{3-} + NO + H2O =>
CO{2+} + 7[NO2]{-} + 2 H{+} = [CO(NO2)6]{3-} + NO + H2O
CH3COOH(aq) + NaHCO3(s) = CO2(g) + H2O(l) + CH3COONa =>
CH3COOH(aq) + NaHCO3(s) = CO2(g) + H2O(l) + CH3COONa
H3S + HNO3 = H2SO4 + NO + H2O =>
H3S + 3 HNO3 = H2SO4 + 3 NO + 2 H2O
IO3{-} + S2O3{2-} + OH{-} = I{-} + SO4{2-} + H2O =>
4 IO3{-} + 3 S2O3{2-} + 6 OH{-} = 4 I{-} + 6 SO4{2-} + 3 H2O
MgO + HBr = HO + MgBr =>
MgO + HBr = HO + MgBr
V + Br2 = VBr4 =>
V + 2 Br2 = VBr4
NiSO4 + Na2CO3 = NiCO3 + Na2SO4 =>
NiSO4 + Na2CO3 = NiCO3 + Na2SO4
CaCl2 + KOH0 = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH0 = Ca(OH)2 + 2 KCl
NaOH + BaSO3 = Ba(OH)2 + Na2SO3 =>
2 NaOH + BaSO3 = Ba(OH)2 + Na2SO3
KOH + H2SO4 = H2O + K2SO4 =>
2 KOH + H2SO4 = 2 H2O + K2SO4
Pb(SO4)2 + Na3PO4 = Na2SO4 + Pb3(PO4)4 =>
3 Pb(SO4)2 + 4 Na3PO4 = 6 Na2SO4 + Pb3(PO4)4
SiO2 + Mg = Mg2Si + MgO =>
SiO2 + 4 Mg = Mg2Si + 2 MgO
HClO + NH3 = NH4 + ClO =>
HClO + NH3 = NH4 + ClO
CH3CH2CCH + HCl = CH3CH2CCl2CH3 =>
CH3CH2CCH + 2 HCl = CH3CH2CCl2CH3
CaCl2 + Ca(OH)2 = Ca(OH)Cl =>
CaCl2 + Ca(OH)2 = 2 Ca(OH)Cl
Cl2 + FeI3 = ClI + Fe =>
3 Cl2 + 2 FeI3 = 6 ClI + 2 Fe
KI(aq) + Pb(NO3)2(aq) = K(NO3)(aq) + PbI2 =>
2 KI(aq) + Pb(NO3)2(aq) = 2 K(NO3)(aq) + PbI2
Ba(NO3)2 + NH(OH)4 = Ba(OH)2 + NH(NO3)4 =>
2 Ba(NO3)2 + NH(OH)4 = 2 Ba(OH)2 + NH(NO3)4
HCl + HNO3 = (NO)Cl + Cl2 + H2O =>
3 HCl + HNO3 = (NO)Cl + Cl2 + 2 H2O
sodiumborate + sulfuricacid + water = boricacid + sodiumsulfate =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
NaC2H3O2 + CaCl2 + Hg2NO3 = NaCl + Hg2C2H3O2 + Ca(NO3)2 =>
2 NaC2H3O2 + CaCl2 + 2 Hg2NO3 = 2 NaCl + 2 Hg2C2H3O2 + Ca(NO3)2
ZnCl2 + (NH3)2S = ZnS + NH3Cl =>
ZnCl2 + (NH3)2S = ZnS + 2 NH3Cl
Zn + HCl(aq) = ZnCl(at) + H =>
Zn + HCl(aq) = ZnCl(at) + H
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/03/25
Équations équilibrées sur04/02/24
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