| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na2SO3 + 2 NaCl = 2 ClSO3 + 3 NaNa
KNO2 + K2Cr2O7 + H2SO4 = KNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 KNO2 + K2Cr2O7 + 4 H2SO4 = 3 KNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
C7H6O + KMnO4 = C7H6O2 + KMnO3 =>
C7H6O + KMnO4 = C7H6O2 + KMnO3
K2C2O4 + H2O = C2HO4 + K + OH =>
K2C2O4 + H2O = C2HO4 + 2 K + OH
CaHPO4*2H2O + NaOH + H2O = Na2HPO4*12H2O + Ca(OH)2 =>
CaHPO4*2H2O + 2 NaOH + 10 H2O = Na2HPO4*12H2O + Ca(OH)2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
NaNo3 + CaCo3 = Ca(No3)2 + Na2Co3 =>
2 NaNo3 + CaCo3 = Ca(No3)2 + Na2Co3
BH4 + RCOCH3 = RCOH2CH3 + BH3 =>
2 BH4 + RCOCH3 = RCOH2CH3 + 2 BH3
Zn(OH)2 + HBr = ZnBr2 + H2O =>
Zn(OH)2 + 2 HBr = ZnBr2 + 2 H2O
C4H10O + Br2 + H2O = C4H8O2 + HBr =>
C4H10O + 2 Br2 + H2O = C4H8O2 + 4 HBr
Al + (H2SO4)3 = Al2(SO4)3 + H =>
2 Al + (H2SO4)3 = Al2(SO4)3 + 6 H
Cu + H2SO4(aq) = Cu2SO4 + H2O + SO2 =>
2 Cu + 2 H2SO4(aq) = Cu2SO4 + 2 H2O + SO2
I + HNO3 = HIO3 + NO2 + H =>
I + 3 HNO3 = HIO3 + 3 NO2 + 2 H
Fe{2+} + MnO4{-} + H{+}(𝒂𝒒) = Fe{3+} + Mn{2+} + H2O =>
5 Fe{2+} + MnO4{-} + 8 H{+}(𝒂𝒒) = 5 Fe{3+} + Mn{2+} + 4 H2O
Cu(OH)2 + NaOH + C6H12O6 = Cu2O + NaC6H11O7 + H2O =>
2 Cu(OH)2 + NaOH + C6H12O6 = Cu2O + NaC6H11O7 + 3 H2O
C3H6 + Br = C3H6Br2 =>
C3H6 + 2 Br = C3H6Br2
NaClO + CaCO3 + H2O = Ca(OH)2 + NaClO3 + CaC2 =>
5 NaClO + 4 CaCO3 + 2 H2O = 2 Ca(OH)2 + 5 NaClO3 + 2 CaC2
CrPd3 + Cr3C2 + C = Cr3PdC2 =>
3 CrPd3 + 8 Cr3C2 + 2 C = 9 Cr3PdC2
ClO = Cl + O =>
ClO = Cl + O
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
K2MnO4 + H2SO4 = KMnO4 + MnO2 + K2SO4 + H2O =>
3 K2MnO4 + 2 H2SO4 = 2 KMnO4 + MnO2 + 2 K2SO4 + 2 H2O
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Cu + HI = CuI + H =>
Cu + HI = CuI + H
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
HCl + Zn = H2 + ZnCl2 =>
2 HCl + Zn = H2 + ZnCl2
O1 + Cl2 = Cl2O =>
O1 + Cl2 = Cl2O
Na2SO3 + NaCl = ClSO3 + NaNa =>
2 Na2SO3 + 2 NaCl = 2 ClSO3 + 3 NaNa
C2H2 + [Cu(NH3)2]Cl = C2Cu2 + NH3 + HCl =>
C2H2 + 2[Cu(NH3)2]Cl = C2Cu2 + 4 NH3 + 2 HCl
C2H6 + Cr2O3 = Cr + H2O + C2H4 =>
3 C2H6 + Cr2O3 = 2 Cr + 3 H2O + 3 C2H4
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NH4Cl + KSO4 = KCl + SO4NH4 =>
NH4Cl + KSO4 = KCl + SO4NH4
H2O + Na = H2ONa4 =>
H2O + 4 Na = H2ONa4
Mg + LiCl = Li + MgCl =>
Mg + LiCl = Li + MgCl
FeS + FeO = Fe + SO2 =>
FeS + 2 FeO = 3 Fe + SO2
CuSO4(H2O)5 + (NH4)2HPO4 = Cu2PO4OH + NH4HSO4 + H2O =>
2 CuSO4(H2O)5 + (NH4)2HPO4 = Cu2PO4OH + 2 NH4HSO4 + 9 H2O
Cl{-} + KMnO4 + H2SO4 = Cl2 + Mn{2+} + SO4{2-} + K2SO4 + H2O =>
10 Cl{-} + 2 KMnO4 + 8 H2SO4 = 5 Cl2 + 2 Mn{2+} + 7 SO4{2-} + K2SO4 + 8 H2O
Tm5 + At4 = Tm5At9 =>
4 Tm5 + 9 At4 = 4 Tm5At9
(C2H5CO)2O + NaOH = C2H5COONa + H2O =>
(C2H5CO)2O + 2 NaOH = 2 C2H5COONa + H2O
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
C4H10O + K2Cr2O7 + H2SO4 = C3H6O + Cr2(SO4)3 + K2SO4 + H2O =>
9 C4H10O + 4 K2Cr2O7 + 16 H2SO4 = 12 C3H6O + 4 Cr2(SO4)3 + 4 K2SO4 + 25 H2O
(COOH)22H2O + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5(COOH)22H2O + 22 KMnO4 + 33 H2SO4 = 110 CO2 + 22 MnSO4 + 11 K2SO4 + 93 H2O
(NH4)2S + Al2(CO3)3 = (NH4)2CO3 + Al2S3 =>
3(NH4)2S + Al2(CO3)3 = 3(NH4)2CO3 + Al2S3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KOH(aq) + MgSO4 = K2SO4 + Mg(OH)2 =>
2 KOH(aq) + MgSO4 = K2SO4 + Mg(OH)2
NiCl2 + NaHCO3 = Ni(HCO3)2(aq) + NaCl(aq) =>
NiCl2 + 2 NaHCO3 = Ni(HCO3)2(aq) + 2 NaCl(aq)
MnO4{-} + I{-} + H3O{+} = MnO2 + I2 + H2O =>
2 MnO4{-} + 6 I{-} + 8 H3O{+} = 2 MnO2 + 3 I2 + 12 H2O
Ni3(PO4)2 + H2(SO4) = Ni(SO4) + H3PO4 =>
Ni3(PO4)2 + 3 H2(SO4) = 3 Ni(SO4) + 2 H3PO4
CHOOH + Ca(OH)2 = Ca(HCOO)2 + H2O =>
2 CHOOH + Ca(OH)2 = Ca(HCOO)2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaNo3 + CaCo3 = Ca(No3)2 + Na2Co3 =>
2 NaNo3 + CaCo3 = Ca(No3)2 + Na2Co3
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