| Équations équilibrées la veille |
Mn(NO2)2 + BeCl2 = Be(NO2)2 + MnCl2
Al3 + S4 = Al4S3 =>
16 Al3 + 9 S4 = 12 Al4S3
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
SiO2 + HF = SiF4 + HOH =>
SiO2 + 4 HF = SiF4 + 2 HOH
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
EuCl3*6H2O + HC8H4F3O2S + NaOH + C12H8N2 = Eu(C8H4F3O2S)3(C12H8N2) + NaCl + H2O =>
EuCl3*6H2O + 3 HC8H4F3O2S + 3 NaOH + C12H8N2 = Eu(C8H4F3O2S)3(C12H8N2) + 3 NaCl + 9 H2O
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
KNO3 + C6N6FeK3 = K2O + CO2 + N2 + Fe2O3 =>
12 KNO3 + 2 C6N6FeK3 = 9 K2O + 12 CO2 + 12 N2 + Fe2O3
ReF6 + Re = ReF5 =>
5 ReF6 + Re = 6 ReF5
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaMnO4 + NaOH + NaI = NaIO3 + H2O + Na2MnO4 =>
6 NaMnO4 + 6 NaOH + NaI = NaIO3 + 3 H2O + 6 Na2MnO4
Al(s) + CaS(aq) = AlS(s) + Ca(aq) =>
Al(s) + CaS(aq) = AlS(s) + Ca(aq)
CH3COOH + BaCO3 = CH3COOBa + CO2 + H2O =>
9 CH3COOH + 8 BaCO3 = 8 CH3COOBa + 10 CO2 + 6 H2O
HF(aq) + Ba(OH)2(aq) = BaF2(aq) + H2O(l) =>
2 HF(aq) + Ba(OH)2(aq) = BaF2(aq) + 2 H2O(l)
CH3COOH + HOCH2CH3 = CH3COOCH2CH3 + H2O =>
CH3COOH + HOCH2CH3 = CH3COOCH2CH3 + H2O
K2Cr2O7 + MnSO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + MnO2 =>
K2Cr2O7 + 3 MnSO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + 3 MnO2
CuSO4 + K = Cu + K2SO4 =>
CuSO4 + 2 K = Cu + K2SO4
Cu2O2 + H2SO4 = CuSO4 + H2O =>
Cu2O2 + 2 H2SO4 = 2 CuSO4 + 2 H2O
W + HF + HNO3 = NO + H2[WO2F4] + H2O =>
W + 4 HF + 2 HNO3 = 2 NO + H2[WO2F4] + 2 H2O
CrBr3 + K2SO4 = Cr2(SO4)3 + KBr =>
2 CrBr3 + 3 K2SO4 = Cr2(SO4)3 + 6 KBr
Ir(NO3)2(aq) + Na2SO4(aq) = IrSO4(aq) + NaNO3(aq) =>
Ir(NO3)2(aq) + Na2SO4(aq) = IrSO4(aq) + 2 NaNO3(aq)
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NaFO3 + NaF + H2SO4 = F2 + Na2SO4 + H2O =>
NaFO3 + 5 NaF + 3 H2SO4 = 3 F2 + 3 Na2SO4 + 3 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
HNO3(l) + N2H4(l) = N2(g) + H2O(g) =>
4 HNO3(l) + 5 N2H4(l) = 7 N2(g) + 12 H2O(g)
H2S + Cr2O72{-} + H3O{+} = Cr3{+} + S + H2O =>
427 H2S + 6 Cr2O72{-} + 10 H3O{+} = 4 Cr3{+} + 427 S + 442 H2O
NaSO4 + FeCl3 = NaCl + Fe(SO4)3 =>
3 NaSO4 + FeCl3 = 3 NaCl + Fe(SO4)3
KOH + HBr = KBr{+} + H2O{-} =>
KOH + HBr = KBr{+} + H2O{-}
Al + F2O = Al2O3 + F2 =>
2 Al + 3 F2O = Al2O3 + 3 F2
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
(AlOH)(NO3)2 = AlOH + (NO3)2 =>
(AlOH)(NO3)2 = AlOH + (NO3)2
Au + CO = AuO + C =>
Au + CO = AuO + C
Br + N2 = N2Br3 =>
3 Br + N2 = N2Br3
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Se + K + Si = SeKSi =>
Se + K + Si = SeKSi
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
CrO3 + Al2O3 = Al2CrO6 =>
CrO3 + Al2O3 = Al2CrO6
NaBiO3 + Na2SO3 + H2SO4 = Bi2(SO4)3 + Na2SO4 + H2O =>
2 NaBiO3 + 2 Na2SO3 + 4 H2SO4 = Bi2(SO4)3 + 3 Na2SO4 + 4 H2O
KNO3 + CrSO4 + Na2CO3 = KNO2 + Na2CrO4 + Na2SO4 + CO2 =>
2 KNO3 + CrSO4 + 2 Na2CO3 = 2 KNO2 + Na2CrO4 + Na2SO4 + 2 CO2
H2S + Na3AsO4 + HCl = As2S3 + S + NaCl + H2O =>
5 H2S + 2 Na3AsO4 + 6 HCl = As2S3 + 2 S + 6 NaCl + 8 H2O
PCI3 = C + PI3 =>
PCI3 = C + PI3
Zn + Ni(NO3)3 = Zn(NO3)2 + Ni2 =>
3 Zn + 2 Ni(NO3)3 = 3 Zn(NO3)2 + Ni2
Na3Po4 + H2O + NH3 = NaOH + (NH4)3Po4 =>
Na3Po4 + 3 H2O + 3 NH3 = 3 NaOH + (NH4)3Po4
Cu(OH)2 + C6H12O6 = H2O + Cu(C6H10O6) =>
Cu(OH)2 + C6H12O6 = 2 H2O + Cu(C6H10O6)
(NH4)2CO3 + Ca(NO3)2 = NH4NO3 + CaCO3 =>
(NH4)2CO3 + Ca(NO3)2 = 2 NH4NO3 + CaCO3
Li2O + ZnO = Li2Zn + O2 =>
Li2O + ZnO = Li2Zn + O2
KCl + H3BO3 = HCl + K3BO3 =>
3 KCl + H3BO3 = 3 HCl + K3BO3
PbS + Fe = Pb + FeS =>
PbS + Fe = Pb + FeS
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Équations équilibrées sur11/12/24
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