| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KNO2 + 2 KI + 4 HCl = 4 KCl + 2 NO + 2 H2O + I2
C2H2 + KMnO4 + KOH = K2MnO4 + K2C2O4 + H2O =>
C2H2 + 8 KMnO4 + 10 KOH = 8 K2MnO4 + K2C2O4 + 6 H2O
AsCl3 + H3PO2 + H2O = As4 + H3PO4 + HCl =>
4 AsCl3 + 3 H3PO2 + 6 H2O = As4 + 3 H3PO4 + 12 HCl
Na3[Cr(OH)6] + KMnO4 + KOH = K2CrO4 + Na2MnO4 + K2MnO4 + H2O =>
2 Na3[Cr(OH)6] + 6 KMnO4 + 4 KOH = 2 K2CrO4 + 3 Na2MnO4 + 3 K2MnO4 + 8 H2O
CH3COOH + Cu = CH3Cu + CO2 + H2O =>
7 CH3COOH + 8 Cu = 8 CH3Cu + 6 CO2 + 2 H2O
MnO2 + PbO2 + NHO3 = Pb(NO3)2 + HMnO4 + H2O =>
2 MnO2 + 3 PbO2 + 6 NHO3 = 3 Pb(NO3)2 + 2 HMnO4 + 2 H2O
K2Cr2O7 + KIO3 + H2SO4 = KIO4 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 KIO3 + 4 H2SO4 = 3 KIO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
Al + V2O2 = Al2O2 + V =>
2 Al + V2O2 = Al2O2 + 2 V
CrCl2 + H2SO4 = Cr2(SO4)3 + H2O + SO2 + HCl =>
2 CrCl2 + 4 H2SO4 = Cr2(SO4)3 + 2 H2O + SO2 + 4 HCl
Mn2 + O = Mn2O3 =>
Mn2 + 3 O = Mn2O3
K2Cr2O7 + NH4HS + KOH + H2O = K3Cr(OH)6 + S + NH3 =>
K2Cr2O7 + 3 NH4HS + 4 KOH + H2O = 2 K3Cr(OH)6 + 3 S + 3 NH3
Zn + MnO3 = Mn2O3 + ZnO =>
3 Zn + 2 MnO3 = Mn2O3 + 3 ZnO
CH3COOH + CH3(CH2)7OH = C10H20O + H2O =>
4 CH3COOH + 9 CH3(CH2)7OH = 8 C10H20O + 9 H2O
Al + NSO4 = AlSO4 + N =>
Al + NSO4 = AlSO4 + N
AlCl3(ac) + NaOH(ac) = NaCl(ac) + Al(OH)3 =>
AlCl3(ac) + 3 NaOH(ac) = 3 NaCl(ac) + Al(OH)3
C6H6 + HNO3 = C6H5NO2 + H2O =>
C6H6 + HNO3 = C6H5NO2 + H2O
Mn(OH)2 + O2 = MnO2H + H2O =>
4 Mn(OH)2 + O2 = 4 MnO2H + 2 H2O
C8H16OH(l) + O2(g) = CO2(g) + H2O(g) =>
4 C8H16OH(l) + 47 O2(g) = 32 CO2(g) + 34 H2O(g)
NH4(OH) + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4(OH) + H3PO4 = (NH4)3PO4 + 3 H2O
H2S + Na2Cr2O7 + H2TeO4 = TeCrO4 + NaHTeO4 + S + H2O =>
4 H2S + Na2Cr2O7 + 4 H2TeO4 = 2 TeCrO4 + 2 NaHTeO4 + 4 S + 7 H2O
Ca(OH)2 + K2SO4 = KOH + CaSO4 =>
Ca(OH)2 + K2SO4 = 2 KOH + CaSO4
Zn + HNO3 = ZnNO3 + NH3NO3 + H2O =>
7 Zn + 9 HNO3 = 7 ZnNO3 + NH3NO3 + 3 H2O
KI + KMnO2 + H2SO4 = MnSO4 + I2 + K2SO4 + H2O =>
2 KI + 2 KMnO2 + 4 H2SO4 = 2 MnSO4 + I2 + 2 K2SO4 + 4 H2O
C6H4(OH)COOH + NaOH = C6H4(ONa)COONa + H2O =>
C6H4(OH)COOH + 2 NaOH = C6H4(ONa)COONa + 2 H2O
Na2O(s) + H2O = NaOH =>
Na2O(s) + H2O = 2 NaOH
LiOH + HCl = LiCl + HOH =>
LiOH + HCl = LiCl + HOH
C5H8O12N4 + O2 = CO2 + H2O + N2 =>
C5H8O12N4 + O2 = 5 CO2 + 4 H2O + 2 N2
HgBr2 + HNO3 = Hg(NO3)2 + HBr =>
HgBr2 + 2 HNO3 = Hg(NO3)2 + 2 HBr
Na3HCO3 + C6H8O7 = C6H5Na3O7 + CO2 + H2O =>
9 Na3HCO3 + 8 C6H8O7 = 9 C6H5Na3O7 + 3 CO2 + 14 H2O
AlCl3 + LiBr = AlBr3 + LiCl =>
AlCl3 + 3 LiBr = AlBr3 + 3 LiCl
Bi(NO3)3 + Na2SnO2 + NaOH = Bi + Na2SnO3 + H2O + NaNO2 =>
2 Bi(NO3)3 + 9 Na2SnO2 + 6 NaOH = 2 Bi + 9 Na2SnO3 + 3 H2O + 6 NaNO2
CH3CH2OH(l) + H2O(l) = CH3COOH(aq) + H2(g) =>
CH3CH2OH(l) + H2O(l) = CH3COOH(aq) + 2 H2(g)
K2MnO4 + H2SO4 + H2C2O4 = K2SO4 + MnSO4 + CO2 + H2O =>
K2MnO4 + 2 H2SO4 + 2 H2C2O4 = K2SO4 + MnSO4 + 4 CO2 + 4 H2O
FeCl3 + KClO3 = Fe(ClO4)3 + KCl =>
FeCl3 + 4 KClO3 = Fe(ClO4)3 + 4 KCl
K2Cr2O7 + H2O + Na2SO3 = Cr(OH)3 + K + OH{-} + SO4 + Na{+} =>
K2Cr2O7 + 5 H2O + 2 Na2SO3 = 2 Cr(OH)3 + 2 K + 4 OH{-} + 2 SO4 + 4 Na{+}
Cu(OH)2(s) + Na2SO4(aq) = CuSO4(aq) + NaOH(aq) =>
Cu(OH)2(s) + Na2SO4(aq) = CuSO4(aq) + 2 NaOH(aq)
H3CCCH3CHCH3 + KMnO4 + H2SO4 = H3CCOCH2CH2COOH + MnSO4 + K2SO4 + H2O =>
5 H3CCCH3CHCH3 + 8 KMnO4 + 12 H2SO4 = 5 H3CCOCH2CH2COOH + 8 MnSO4 + 4 K2SO4 + 17 H2O
C6H12O6 + O2 = H2O + CO2 =>
C6H12O6 + 6 O2 = 6 H2O + 6 CO2
Carbon2Hydrogen6 + Oxygen2 = Hydrogen2Oxygen + CarbonOxygen2 =>
2 Carbon2Hydrogen6 + 7 Oxygen2 = 6 Hydrogen2Oxygen + 4 CarbonOxygen2
CH4O + H2SO4 + K2Cr2O7 = CH2O2 + Cr2S3O12 + K2SO4 + H2O =>
3 CH4O + 8 H2SO4 + 2 K2Cr2O7 = 3 CH2O2 + 2 Cr2S3O12 + 2 K2SO4 + 11 H2O
NH3 + HCl = HNCl + H3 =>
NH3 + HCl = HNCl + H3
Sn + K2CO3 + O2 = CO2 + K2SnO3 =>
Sn + K2CO3 + O2 = CO2 + K2SnO3
C3H4O2 + C2H5MgCl + HCl + H2O = C5H12O2 + MgCl2 =>
7 C3H4O2 + 12 C2H5MgCl + 12 HCl + 4 H2O = 9 C5H12O2 + 12 MgCl2
P + Fe2O3 = P4O10 + Fe3 =>
36 P + 30 Fe2O3 = 9 P4O10 + 20 Fe3
Fe(C2H3O2)3 + Mg(SO3) = Mg(C2H3O2)2 + Fe2(SO3)3 =>
2 Fe(C2H3O2)3 + 3 Mg(SO3) = 3 Mg(C2H3O2)2 + Fe2(SO3)3
Ag2O + NH3 + H2O = Ag(NH3)2 + OH =>
Ag2O + 4 NH3 + H2O = 2 Ag(NH3)2 + 2 OH
Zn(C2H3O2)2 + K2(CrO4) = Zn(CrO4) + K(C2H3O2) =>
Zn(C2H3O2)2 + K2(CrO4) = Zn(CrO4) + 2 K(C2H3O2)
Fe(NO3)3*9H2O = FeO + NO2 + O2 + H2O =>
Fe(NO3)3*9H2O = FeO + 3 NO2 + O2 + 9 H2O
radium + bromine = RaBr2 =>
Ra + Br2 = RaBr2
FeI2 + KOH + H2O2 = KIO3 + Fe(OH)2 + H2O =>
FeI2 + 2 KOH + 6 H2O2 = 2 KIO3 + Fe(OH)2 + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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