| Équations équilibrées la veille |
Na2WO4 + H3PO4 = Na2HPO4 + H2WO4
Ba(OH)2(aq) + NH4Cl(s) = BaCl2(aq) + NH4OH(aq) =>
Ba(OH)2(aq) + 2 NH4Cl(s) = BaCl2(aq) + 2 NH4OH(aq)
KI + NaNO3 + H2SO4 = I2 + NO + H2O + K2SO4 + Na2SO4 =>
6 KI + 2 NaNO3 + 4 H2SO4 = 3 I2 + 2 NO + 4 H2O + 3 K2SO4 + Na2SO4
HCOOC6H5 + NaHCO3 = C5H5Na + H2O + CO2 =>
13 HCOOC6H5 + 15 NaHCO3 = 15 C5H5Na + 9 H2O + 31 CO2
Al(OH)3 + HCl = HOH + AlCl3 =>
Al(OH)3 + 3 HCl = 3 HOH + AlCl3
Pb(NO3)2 + Na2MoO4 = PbMoO4 + NaNO3 =>
Pb(NO3)2 + Na2MoO4 = PbMoO4 + 2 NaNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cu(NO3)2 + Na3PO3 = Cu3(PO3)2 + NaNO3 =>
3 Cu(NO3)2 + 2 Na3PO3 = Cu3(PO3)2 + 6 NaNO3
C6H7N + H2SO4 = C6H7NO3S + H2O =>
C6H7N + H2SO4 = C6H7NO3S + H2O
Mn + H2 = Mn2H2 =>
2 Mn + H2 = Mn2H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Zn + HCl = ZnCl2 + H24 =>
12 Zn + 24 HCl = 12 ZnCl2 + H24
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
HCl + ZnO2 = ZnCl2 + O2 + H2O =>
4 HCl + 2 ZnO2 = 2 ZnCl2 + O2 + 2 H2O
Bi + AgNO3 = Bi(NO3)2 + Ag =>
Bi + 2 AgNO3 = Bi(NO3)2 + 2 Ag
NO2 + H2CO3 = NCO4 + H2O =>
NO2 + H2CO3 = NCO4 + H2O
Mo + S8 + O2 = Mo(SO4)3 =>
8 Mo + 3 S8 + 48 O2 = 8 Mo(SO4)3
BaO + CO2 = BaCO3 =>
BaO + CO2 = BaCO3
Al(s) + CH3COOH(aq) = Al(C2H3O2)3(s) + H2(g) =>
2 Al(s) + 6 CH3COOH(aq) = 2 Al(C2H3O2)3(s) + 3 H2(g)
AuCl + SnCl2 = Au + SnCl4 =>
2 AuCl + SnCl2 = 2 Au + SnCl4
H2CrO4 + Ru = Ru2(CrO4) + H2 =>
H2CrO4 + 2 Ru = Ru2(CrO4) + H2
CuSO4 + NaOH + C3H8O3 = Cu2O + Na2SO4 + C3H4O4 + H2O =>
6 CuSO4 + 12 NaOH + C3H8O3 = 3 Cu2O + 6 Na2SO4 + C3H4O4 + 8 H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
SO4{-} + H{+} + {-} = SO2{-2} + H2O =>
SO4{-} + 4 H{+} + 5e = SO2{-2} + 2 H2O
Co(s) + O2 = CoO3 =>
2 Co(s) + 3 O2 = 2 CoO3
HfO2 + C = HfC + CO =>
HfO2 + 3 C = HfC + 2 CO
KOH + Al + H2O = [Al(OH)4]{-} + K{+} + H2 =>
2 KOH + 2 Al + 6 H2O = 2[Al(OH)4]{-} + 2 K{+} + 3 H2
Hg2F2 + HF + O2 = HgF2 + H2O =>
2 Hg2F2 + 4 HF + O2 = 4 HgF2 + 2 H2O
TlCl + HClO + HCl = TlCl3 + H2O =>
TlCl + HClO + HCl = TlCl3 + H2O
BeFl2 + Mg = MgFl2 + Be =>
BeFl2 + Mg = MgFl2 + Be
Na2SH2O = Na2OH2S =>
Na2SH2O = Na2OH2S
NH4Br + Na2SO4 = (NH4)2SO4 + NaBr =>
2 NH4Br + Na2SO4 = (NH4)2SO4 + 2 NaBr
NaOH(s) + H2O(l) = NaO2H3 =>
NaOH(s) + H2O(l) = NaO2H3
NH3 + Na2CO3 + CO = NaCN + CO2 + H2O =>
2 NH3 + Na2CO3 + 2 CO = 2 NaCN + CO2 + 3 H2O
Zn + K3[Fe(CN)6] + H2SO4 = Zn2[Fe(CN)6] + H2 + K2SO4 =>
4 Zn + 2 K3[Fe(CN)6] + 3 H2SO4 = 2 Zn2[Fe(CN)6] + 3 H2 + 3 K2SO4
ZnBr2 + Ba(OH)2 = BaBr2 + Zn(OH)2 =>
ZnBr2 + Ba(OH)2 = BaBr2 + Zn(OH)2
Cu + HClO4 = Cu(ClO4)2 + Cl2 + H2O =>
7 Cu + 16 HClO4 = 7 Cu(ClO4)2 + Cl2 + 8 H2O
C2H5OH + CuO = C2H5COOH + H2O + Cu =>
3 C2H5OH + 4 CuO = 2 C2H5COOH + 3 H2O + 4 Cu
AgHCl = AgClH =>
AgHCl = AgClH
K2CrO7 + FeSO4 + H2SO4 = Fe(SO4)3 + CrSO4 + K2SO4 + H2O =>
2 K2CrO7 + 5 FeSO4 + 14 H2SO4 = 5 Fe(SO4)3 + 2 CrSO4 + 2 K2SO4 + 14 H2O
K2Cr2O7 + NaHSO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
2 K2Cr2O7 + 6 NaHSO3 + 5 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 Na2SO4 + 8 H2O
Al2(SO4)3 + NH4OH = Al(NH4)3 + SO4(OH)2 =>
Al2(SO4)3 + 6 NH4OH = 2 Al(NH4)3 + 3 SO4(OH)2
(NH4)2CO3(aq) + Al(NO3)3(aq) = NH4NO3(aq) + Al2(CO3)3(aq) =>
3(NH4)2CO3(aq) + 2 Al(NO3)3(aq) = 6 NH4NO3(aq) + Al2(CO3)3(aq)
SiO2 + CaCO3 = CO2 + CaSiO3 =>
SiO2 + CaCO3 = CO2 + CaSiO3
BiS3(s) + O2(g) = Bi2O3(s) + SO2(g) =>
4 BiS3(s) + 15 O2(g) = 2 Bi2O3(s) + 12 SO2(g)
CH3CH2CHBrCH3 + KOH = CH3CH2CHCH3OH + KBr =>
CH3CH2CHBrCH3 + KOH = CH3CH2CHCH3OH + KBr
Cu(NO3)2 + Na2CO3 + H2O = CuCO3*Cu(OH)2 + CO2 + NaNO3 =>
2 Cu(NO3)2 + 2 Na2CO3 + H2O = CuCO3*Cu(OH)2 + CO2 + 4 NaNO3
NaI + CaCl2 = NaCl + CaI2 =>
2 NaI + CaCl2 = 2 NaCl + CaI2
NaNO3 + NH4OH = NH4NO3 + NaOH =>
NaNO3 + NH4OH = NH4NO3 + NaOH
K2S + Al(OH)3 = Al2S3 + KOH =>
3 K2S + 2 Al(OH)3 = Al2S3 + 6 KOH
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Équations équilibrées sur12/18/24
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