| Équations équilibrées la veille |
MoS2 + 18 HNO3 = MoO3 + 18 NO2 + 2 H2SO4 + 7 H2O
Na2CO3 + C + N = NaCN + CO =>
Na2CO3 + 4 C + 2 N = 2 NaCN + 3 CO
KMnO4 + KNO2 + HBr = MnBr2 + KBr + KNO3 + H2O =>
2 KMnO4 + 5 KNO2 + 6 HBr = 2 MnBr2 + 2 KBr + 5 KNO3 + 3 H2O
NaNO3 + Se = SeO2 + Na2O + NO =>
4 NaNO3 + 3 Se = 3 SeO2 + 2 Na2O + 4 NO
(C3H8) + O2 = CO2 + H2O =>
(C3H8) + 5 O2 = 3 CO2 + 4 H2O
SnCl2 + Na2SiO3 = SnSiO3 + Na2Cl2 =>
SnCl2 + Na2SiO3 = SnSiO3 + Na2Cl2
NH4NO3 + Li = LiNO3 + NH4 =>
NH4NO3 + Li = LiNO3 + NH4
NaHSO4 + CuSO4 = Cu(HSO4)2 + Na2SO4 =>
2 NaHSO4 + CuSO4 = Cu(HSO4)2 + Na2SO4
SnCl4 + Ce2(SO4)3 = SnSO4 + Ce(SO4)2 + CeCl4 =>
SnCl4 + Ce2(SO4)3 = SnSO4 + Ce(SO4)2 + CeCl4
AlCl3 + (NH4)2CO3 = NH4Cl + Al2(CO3)3 =>
2 AlCl3 + 3(NH4)2CO3 = 6 NH4Cl + Al2(CO3)3
Al(OH)3 + SO4H2 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 SO4H2 = Al2(SO4)3 + 6 H2O
Cu(s) + HNO3(ac) = Cu(NO3)2(ac) + NO2(g) + H2O(ac) =>
Cu(s) + 4 HNO3(ac) = Cu(NO3)2(ac) + 2 NO2(g) + 2 H2O(ac)
Ni + C + O = Ni(CO)4 =>
Ni + 4 C + 4 O = Ni(CO)4
Fe2(SO4)3 + MeS = FeSO4 + MeSO4 + S =>
Fe2(SO4)3 + MeS = 2 FeSO4 + MeSO4 + S
C6H12O6 + Cr2O7 + H{+} = Cr{3+} + CO2 + H2O =>
C6H12O6 + 3 Cr2O7 + 18 H{+} = 6 Cr{3+} + 6 CO2 + 15 H2O
NaCH3COO + CH3COOH = NaH + CH3COO =>
NaCH3COO + CH3COOH = NaH + 2 CH3COO
K(s) + Cl2(g) + O2(g) = KClO3(s) =>
2 K(s) + Cl2(g) + 3 O2(g) = 2 KClO3(s)
I{-} + Cr2O7{2-} + H{+} = I + Cr{3+} + H2O =>
6 I{-} + Cr2O7{2-} + 14 H{+} = 6 I + 2 Cr{3+} + 7 H2O
Al2O3 + NaCl + CuSO4 = AlCl3 + Na2SO4 + CuO =>
Al2O3 + 6 NaCl + 3 CuSO4 = 2 AlCl3 + 3 Na2SO4 + 3 CuO
F2 + AlCl = AlF3 + Cl2 =>
3 F2 + 2 AlCl = 2 AlF3 + Cl2
Zn + NaOH + H2O = NaZn(OH)2 + H2 =>
2 Zn + 2 NaOH + 2 H2O = 2 NaZn(OH)2 + H2
KCe = K + Ce2 =>
2 KCe = 2 K + Ce2
Co + MgS = Co2S3 + Mg =>
2 Co + 3 MgS = Co2S3 + 3 Mg
CuCO3 + H2SO3 = CuSO3 + H2O + CO2 =>
CuCO3 + H2SO3 = CuSO3 + H2O + CO2
FeSO4 + NH4Br = FeBr2 + (NH4)2SO4 =>
FeSO4 + 2 NH4Br = FeBr2 + (NH4)2SO4
NaI + K2CrO4 = Na2CrO4 + KI =>
2 NaI + K2CrO4 = Na2CrO4 + 2 KI
AgNO3 + BaCl2 = Ba(NO3)2 + AgCl =>
2 AgNO3 + BaCl2 = Ba(NO3)2 + 2 AgCl
NH4{+} + Cl{-} = NH3 + HCl =>
NH4{+} + Cl{-} = NH3 + HCl
Li(OH) + HClO2 = Li(ClO2) + H2O =>
Li(OH) + HClO2 = Li(ClO2) + H2O
Mg2O2(s) + H2O(l) = Mg(OH)2(aq) =>
Mg2O2(s) + 2 H2O(l) = 2 Mg(OH)2(aq)
NaClO3 + KCl = KClO3 + NaCl =>
NaClO3 + KCl = KClO3 + NaCl
Hg(NO2)2 + KOH = Hg(OH)2 + KNO2 =>
Hg(NO2)2 + 2 KOH = Hg(OH)2 + 2 KNO2
(r)Sb2S3 + HCl = H3SbCl6 + H2S =>
(r)Sb2S3 + 12 HCl = 2 H3SbCl6 + 3 H2S
Y + H2CO3 = YCO2 + H2O =>
Y + H2CO3 = YCO2 + H2O
Al + Cd = AlCd =>
Al + Cd = AlCd
Ca(OH)2(aq) + H3PO4(aq) = H2O(g) + Ca3(PO4)2(s) =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = 6 H2O(g) + Ca3(PO4)2(s)
NH3OH + H3N2 = NOH3 + NH3H2 =>
7 NH3OH + H3N2 = 7 NOH3 + 2 NH3H2
CH3CH(CH3)COOH + NaOH = CH3CH(CH3)COONa + H2O =>
CH3CH(CH3)COOH + NaOH = CH3CH(CH3)COONa + H2O
SbS3 + H = Sb2S3 + H2S =>
2 SbS3 + 6 H = Sb2S3 + 3 H2S
K(NO3) + H2CO3 = K2CO3 + HNO3 =>
2 K(NO3) + H2CO3 = K2CO3 + 2 HNO3
PbSO4 + Na2S = Na2SO4 + PbS =>
PbSO4 + Na2S = Na2SO4 + PbS
C6H5NO2 + [H] + HCl = C6H5NH3{+} + Cl{-} + H2O =>
C6H5NO2 + 6[H] + HCl = C6H5NH3{+} + Cl{-} + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C2O4{-2} + MnO4{-} + H{+} = Mn{2} + CO2 + H2O =>
5 C2O4{-2} + 2 MnO4{-} + 16 H{+} = 2 Mn{2} + 10 CO2 + 8 H2O
NaOH + (CH3COO)2Mg = Mg(OH)2 + CH3COONa =>
2 NaOH + (CH3COO)2Mg = Mg(OH)2 + 2 CH3COONa
Pb{2+}(aq) + I{-}(aq) = PbI2 =>
Pb{2+}(aq) + 2 I{-}(aq) = PbI2
C7H5(NO2)3 = CO + C + H2 + N2 =>
2 C7H5(NO2)3 = 12 CO + 2 C + 5 H2 + 3 N2
Pb(N3)2 + Cr(MnO4)2 = Cr2O3 + MnO2 + Pb2O4 + NO =>
10 Pb(N3)2 + 32 Cr(MnO4)2 = 16 Cr2O3 + 64 MnO2 + 5 Pb2O4 + 60 NO
CH3CO2CH3 + NaOH = CH3OH + CH3CO2Na =>
CH3CO2CH3 + NaOH = CH3OH + CH3CO2Na
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
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Équations équilibrées sur10/30/24
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