| Équations équilibrées la veille | Équations équilibrées le lendemain |
7 C6H12O6 = 12 C2H6 + 6 H2O + 18 CO2
Cr2S3 + Mn(NO3)2 + Na2CO3 = NO + CO2 + NaCrO4 + NaMnO4 + NaSO4 =>
Cr2S3 + 35 Mn(NO3)2 + 20 Na2CO3 = 70 NO + 20 CO2 + 2 NaCrO4 + 35 NaMnO4 + 3 NaSO4
SiS2 + H2SO4 = SO2 + H2O + SiO2 =>
SiS2 + 6 H2SO4 = 8 SO2 + 6 H2O + SiO2
SbCl3 + NaS = SbS3 + NaCl =>
SbCl3 + 3 NaS = SbS3 + 3 NaCl
Mg + PO4 = Mg3(PO4)2 =>
3 Mg + 2 PO4 = Mg3(PO4)2
FeBr + Ca(OH)2 = Fe(OH) + Ca(Br)2 =>
2 FeBr + Ca(OH)2 = 2 Fe(OH) + Ca(Br)2
As + O2 = As4O6 =>
4 As + 3 O2 = As4O6
H2SO4 + Zn = ZnSO4 + H4 =>
2 H2SO4 + 2 Zn = 2 ZnSO4 + H4
C5H9NNaO4 + O2 = CO2 + H2O + NH3 + NaOH =>
4 C5H9NNaO4 + 19 O2 = 20 CO2 + 10 H2O + 4 NH3 + 4 NaOH
Al2(SO4)3 + CaCO3 = Al2(CO3)3 + CaSO4 =>
Al2(SO4)3 + 3 CaCO3 = Al2(CO3)3 + 3 CaSO4
B2O3(s) + HF(aq) = BF3(s) + H2O =>
B2O3(s) + 6 HF(aq) = 2 BF3(s) + 3 H2O
NH4OH + CuSO4 = NH4SO4 + CuOH =>
NH4OH + CuSO4 = NH4SO4 + CuOH
KI(l) + Zn(NO3)2(l) = K(NO3)(l) + ZnI2(l) =>
2 KI(l) + Zn(NO3)2(l) = 2 K(NO3)(l) + ZnI2(l)
NH4NO3 + Fe3(PO4)2 = Fe(NO3)2 + (NH4)3 + PO4 =>
6 NH4NO3 + Fe3(PO4)2 = 3 Fe(NO3)2 + 2(NH4)3 + 2 PO4
KOH + HBrO3 = KBrO3 + H2O =>
KOH + HBrO3 = KBrO3 + H2O
CrCl3 + NaOH + H2O2 = Na2Cr2O7 + NaCl + H2O =>
2 CrCl3 + 8 NaOH + 3 H2O2 = Na2Cr2O7 + 6 NaCl + 7 H2O
Ba(ClO4)2(aq) + Na2S(aq) = BaS(s) + NaClO4(aq) =>
Ba(ClO4)2(aq) + Na2S(aq) = BaS(s) + 2 NaClO4(aq)
Pb + Au(NO3)3 = Au + Pb(NO3)4 =>
3 Pb + 4 Au(NO3)3 = 4 Au + 3 Pb(NO3)4
CuSO4*5H2O + K2C2O4*2H2O = Cu(C2O4)*2H2O + H2O + K2SO4 =>
CuSO4*5H2O + K2C2O4*2H2O = Cu(C2O4)*2H2O + 5 H2O + K2SO4
PBS + O3 = PBSO4 =>
3 PBS + 4 O3 = 3 PBSO4
HClO2(aq) + Na2CO3(aq) = NaClO2(aq) + CO2(g) + H2O(l) =>
2 HClO2(aq) + Na2CO3(aq) = 2 NaClO2(aq) + CO2(g) + H2O(l)
C4H10O2(l) + O2(g) = CO2(g) + H2O(l) =>
2 C4H10O2(l) + 11 O2(g) = 8 CO2(g) + 10 H2O(l)
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO + H2O =>
3 Cu2S + 16 HNO3 = 3 Cu(NO3)2 + 3 CuSO4 + 10 NO + 8 H2O
CoNO3(aq) + NaS(aq) = CoS(s) + NaNO3(aq) =>
CoNO3(aq) + NaS(aq) = CoS(s) + NaNO3(aq)
Cr{2+} + H{+} + O2 = Cr{3+} + H2O =>
4 Cr{2+} + 4 H{+} + O2 = 4 Cr{3+} + 2 H2O
C6H5NH2 + HCl = C6H5NH3 + Cl =>
C6H5NH2 + HCl = C6H5NH3 + Cl
NH3 + CS2 + Ca(OH)2 = NH4NCS + CaS + H2O =>
2 NH3 + CS2 + Ca(OH)2 = NH4NCS + CaS + 2 H2O
C9H12 + O2 = CO2 + H2O =>
C9H12 + 12 O2 = 9 CO2 + 6 H2O
CaCO3(s) + H2SO4(aq) = CO2 + H2O + CaSO4 =>
CaCO3(s) + H2SO4(aq) = CO2 + H2O + CaSO4
H2 + Cu(NO3)2 = HNO3 + Cu =>
H2 + Cu(NO3)2 = 2 HNO3 + Cu
K2Cr2O7 + FeSO4 + HCl = H2SO4 + KCl + CrCl3 + FeCl3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 26 HCl = 6 H2SO4 + 2 KCl + 2 CrCl3 + 6 FeCl3 + 7 H2O
Fe{2+} + CrO7{2-} + H{+} = Fe{3+} + Cr{3+} + H2O =>
9 Fe{2+} + CrO7{2-} + 14 H{+} = 9 Fe{3+} + Cr{3+} + 7 H2O
C57H110O6 + NaOH = C18H35O2Na + C3H8O3 =>
C57H110O6 + 3 NaOH = 3 C18H35O2Na + C3H8O3
K2C2O4(aq) + KMnO4(aq) + H2SO4(aq) = CO2(g) + MnSO4(aq) + K2SO4(aq) + H2O =>
5 K2C2O4(aq) + 2 KMnO4(aq) + 8 H2SO4(aq) = 10 CO2(g) + 2 MnSO4(aq) + 6 K2SO4(aq) + 8 H2O
KOH + H2SO4 = K2SO4 + H2O = =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
Br2O7 + H2O = HBrO4 =>
Br2O7 + H2O = 2 HBrO4
NaCl(s) + H2SO4(l) = HCl(g) + Na2SO4 =>
2 NaCl(s) + H2SO4(l) = 2 HCl(g) + Na2SO4
NaHCO3 + Al2(SO4)3 = Al(HCO3)3 + Na2SO4 =>
6 NaHCO3 + Al2(SO4)3 = 2 Al(HCO3)3 + 3 Na2SO4
CdCrO4 + Au3 = Cd + Au(CrO4)2 =>
6 CdCrO4 + Au3 = 6 Cd + 3 Au(CrO4)2
NaI(s) + H2SO4(aq) = Na2SO4(aq) + I2(s) + H2S(g) + H2O(l) =>
8 NaI(s) + 5 H2SO4(aq) = 4 Na2SO4(aq) + 4 I2(s) + H2S(g) + 4 H2O(l)
Cu + N2O4 = Cu2O + N2O =>
6 Cu + N2O4 = 3 Cu2O + N2O
C2H4O2 + O2 = C2H4O3 =>
2 C2H4O2 + O2 = 2 C2H4O3
Cl2 + PbO = O2 + PbCl2 =>
2 Cl2 + 2 PbO = O2 + 2 PbCl2
CH3CHCHCH3CH3 + OsO4 + H2O = CH3CH(OH)CH2CH3 + OsO2(OH)2 =>
4 CH3CHCHCH3CH3 + 2 OsO4 + 5 H2O = 5 CH3CH(OH)CH2CH3 + 2 OsO2(OH)2
HCOOC2H5 + O2 = CO2 + H2O =>
2 HCOOC2H5 + 7 O2 = 6 CO2 + 6 H2O
NaNO3 + NaI + H2SO4 = I2 + Na2SO4 + H2O + NO =>
2 NaNO3 + 6 NaI + 4 H2SO4 = 3 I2 + 4 Na2SO4 + 4 H2O + 2 NO
NaBr(s) + Pb(CH3COO)2 = CH3COONa + PbBr2 =>
2 NaBr(s) + Pb(CH3COO)2 = 2 CH3COONa + PbBr2
KClO3 = KClO2 + O2* =>
2 KClO3 = 2 KClO2 + O2*
K4CrO5 + HCl = KCl + CrCl3 + H2O + Cl2 =>
2 K4CrO5 + 20 HCl = 8 KCl + 2 CrCl3 + 10 H2O + 3 Cl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/07/23
Équations équilibrées sur01/06/23
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