| Équations équilibrées la veille |
NaCOOH + H2O = NaOH + HCOOH
K2S + Sn(NO3)2 = KNO3 + SnS =>
K2S + Sn(NO3)2 = 2 KNO3 + SnS
NiCl2 + Ca(NO3)2 = Ni(NO3)2 + CaCl2 =>
NiCl2 + Ca(NO3)2 = Ni(NO3)2 + CaCl2
N + Cs = CsN =>
N + Cs = CsN
CH3CH2CHCH3CH2CHO + Cr2O7{2-} + H{+} = CH3CH2CHCH3CH2COOH + Cr{3+} + H2O =>
3 CH3CH2CHCH3CH2CHO + Cr2O7{2-} + 8 H{+} = 3 CH3CH2CHCH3CH2COOH + 2 Cr{3+} + 4 H2O
K + AlOH + H2SO4 = H2 + KAl(SO4)2 + H2O =>
2 K + 2 AlOH + 4 H2SO4 = 3 H2 + 2 KAl(SO4)2 + 2 H2O
CaCO2 + NaO = CaO + NaCO2 =>
CaCO2 + NaO = CaO + NaCO2
MgCl2 + HC2H3O2 = Mg(C2H3O2)2 + HCl =>
MgCl2 + 2 HC2H3O2 = Mg(C2H3O2)2 + 2 HCl
NH4NO3 + HCHO = HNO3 + (CH2)6N4 + H2O =>
4 NH4NO3 + 6 HCHO = 4 HNO3 + (CH2)6N4 + 6 H2O
MgSO4(aq) + K2CO3(aq) = MgCO3(s) + K2SO4(aq) =>
MgSO4(aq) + K2CO3(aq) = MgCO3(s) + K2SO4(aq)
NH4H2S + HCl = NH4Cl + HH2S =>
NH4H2S + HCl = NH4Cl + HH2S
Cr2O3(s) + SiC(s) = Cr(s) + SiO2(s) + CO2(g) =>
4 Cr2O3(s) + 3 SiC(s) = 8 Cr(s) + 3 SiO2(s) + 3 CO2(g)
H2TeO3 + Ca(OH)2 = Ca(TeO3) + H2O =>
H2TeO3 + Ca(OH)2 = Ca(TeO3) + 2 H2O
(CH3)2CHOH + CuO = (CH3)2CO + Cu + H2O =>
(CH3)2CHOH + CuO = (CH3)2CO + Cu + H2O
K2SO3 + NaNO3 + HCl = K2SO4 + NO2 + H2O + NaCl =>
K2SO3 + 2 NaNO3 + 2 HCl = K2SO4 + 2 NO2 + H2O + 2 NaCl
CaBr2 + Na2CO3 = CaNa2 + Br2CO3 =>
CaBr2 + Na2CO3 = CaNa2 + Br2CO3
Na2CO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
Na2CO3 + H2SO4 = CO2 + H2O + Na2SO4
NO2 + H2O = O2 + NH3 =>
4 NO2 + 6 H2O = 7 O2 + 4 NH3
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
KClO4 + P4 = P4O10 + KCl =>
5 KClO4 + 2 P4 = 2 P4O10 + 5 KCl
Br2 + NaOH = NaBr + NaOBr + H2O =>
Br2 + 2 NaOH = NaBr + NaOBr + H2O
ZnCl + AgF = ZnF + AgCl =>
ZnCl + AgF = ZnF + AgCl
LiHSO4 + NaOH = NaHSO4 + LiOH =>
LiHSO4 + NaOH = NaHSO4 + LiOH
sodiumhydroxide = sodium + oxygen + hydrogen =>
2 NaOH = 2 Na + O2 + H2
Fe(OH)3 + NH4 = Fe + NH3 + H2O =>
Fe(OH)3 + 3 NH4 = Fe + 3 NH3 + 3 H2O
Co(NO3)2 + NaHCO3 = CoCO3 + NaNO3 + CO2 + H2O =>
Co(NO3)2 + 2 NaHCO3 = CoCO3 + 2 NaNO3 + CO2 + H2O
Zn(OH)2 + NaOH = Na2ZnO2 + H2O =>
Zn(OH)2 + 2 NaOH = Na2ZnO2 + 2 H2O
Y2O3 + BaCO3 + CuO = YBa2Cu3O7 + O + C =>
Y2O3 + 4 BaCO3 + 6 CuO = 2 YBa2Cu3O7 + 7 O + 4 C
NH4(NO3)*5Ca(NO3)2*10H2O + KCl = KNO3 + NH4Cl + CaCl2 + H2O =>
NH4(NO3)*5Ca(NO3)2*10H2O + 11 KCl = 11 KNO3 + NH4Cl + 5 CaCl2 + 10 H2O
Fe + H6S3O12 = FeSO4 + H2O + SO2 =>
3 Fe + 2 H6S3O12 = 3 FeSO4 + 6 H2O + 3 SO2
MgO + NCl = MgCl2 + N2O =>
MgO + 2 NCl = MgCl2 + N2O
Sr(NO3)2 + NiSO4 = Ni(NO3)2 + SrSO4 =>
Sr(NO3)2 + NiSO4 = Ni(NO3)2 + SrSO4
AgNO3 + Sn(NO2)4 = Ag4(NO2)4 + Sn(NO3)4 =>
4 AgNO3 + Sn(NO2)4 = Ag4(NO2)4 + Sn(NO3)4
K2CrO4 + Fe(NO3)3 = K2NO3 + Fe(CrO4)3 =>
3 K2CrO4 + Fe(NO3)3 = 3 K2NO3 + Fe(CrO4)3
CH3OH + H2SO4 = HSO4 + CH3OH2 =>
CH3OH + H2SO4 = HSO4 + CH3OH2
UO2 + HS = US4 + H2O =>
UO2 + 4 HS = US4 + 2 H2O
H4O3 = H2O2 + H2O =>
H4O3 = H2O2 + H2O
HCOONa + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 + Na3SO4 =>
6 HCOONa + 2 KMnO4 + 5 H2SO4 = 6 CO2 + 8 H2O + K2SO4 + 2 MnSO4 + 2 Na3SO4
CaSiO3 + K3PO4 = Ca3(PO4)2 + K2SiO3 =>
3 CaSiO3 + 2 K3PO4 = Ca3(PO4)2 + 3 K2SiO3
COOHCOOH + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
5 COOHCOOH + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
NaOH + C = Na + CO + H2 =>
2 NaOH + 2 C = 2 Na + 2 CO + H2
CaBr + AgNO3 = Ca(NO3)2 + Ag2Br =>
CaBr + 2 AgNO3 = Ca(NO3)2 + Ag2Br
NH4OH + H2O = NH4O{-} + H3O{+} =>
NH4OH + H2O = NH4O{-} + H3O{+}
C4H10O + CH2O2 = H2O + C7H16O2 =>
13 C4H10O + 4 CH2O2 = 5 H2O + 8 C7H16O2
HI(aq) + Al(s) = AlI3 + H2 =>
6 HI(aq) + 2 Al(s) = 2 AlI3 + 3 H2
Na4Si + H2O = NaOH + Na2SiO3 + H2 =>
Na4Si + 5 H2O = 2 NaOH + Na2SiO3 + 4 H2
Se5Cl2 + O2 = SeO2 + Cl2 =>
Se5Cl2 + 5 O2 = 5 SeO2 + Cl2
CoCl2 + K(SCN) = Co(SCN)2 + KCl =>
CoCl2 + 2 K(SCN) = Co(SCN)2 + 2 KCl
FeCl3 + K2S = FeS + KCl + S =>
2 FeCl3 + 3 K2S = 2 FeS + 6 KCl + S
Fe2 + Cu = Fe2Cu =>
Fe2 + Cu = Fe2Cu
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Équations équilibrées sur11/22/24
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