| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CH2CHOHCOOH + NaOH = CH3CH2CHOHCOONa + H2O
SO3 + K2O = K2SO4 =>
SO3 + K2O = K2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH4SO3 + HCl = HSO3 + NH4Cl =>
NH4SO3 + HCl = HSO3 + NH4Cl
Ba(s) + Ni(NO3)2(aq) = Ba(NO3)2(aq) + Ni(s) =>
Ba(s) + Ni(NO3)2(aq) = Ba(NO3)2(aq) + Ni(s)
XCl + KOH = XOK + KCl + H2O =>
XCl + 2 KOH = XOK + KCl + H2O
Fe(No3)3 + NaOH = NaNo3 + Fe(OH)3 =>
Fe(No3)3 + 3 NaOH = 3 NaNo3 + Fe(OH)3
HCOOK + H2SO4 = KHSO4 + CO2 + SO2 + H2O =>
HCOOK + 2 H2SO4 = KHSO4 + CO2 + SO2 + 2 H2O
H2CO3 + NH4OH = H2O + (NH4)2CO3 =>
H2CO3 + 2 NH4OH = 2 H2O + (NH4)2CO3
NO + KMnO4 + HNO3 = Mn(NO3)2 + H2O + KNO3 =>
5 NO + 3 KMnO4 + 4 HNO3 = 3 Mn(NO3)2 + 2 H2O + 3 KNO3
K2(Cr2O7)2 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2(Cr2O7)2 + 7 SnCl2 + 28 HCl = 4 CrCl3 + 7 SnCl4 + 2 KCl + 14 H2O
Ag3BO3 + H2SO4 = Ag2SO4 + H3BO3 =>
2 Ag3BO3 + 3 H2SO4 = 3 Ag2SO4 + 2 H3BO3
Cr{+3} + CrO4{2-} = Cr2(CrO4)3 =>
2 Cr{+3} + 3 CrO4{2-} = Cr2(CrO4)3
H30 + OH = H2O =>
H30 + 30 OH = 30 H2O
CuSO4(ac) + Fe(s) = Cu(s) + Fe2(SO4)3(ac) =>
3 CuSO4(ac) + 2 Fe(s) = 3 Cu(s) + Fe2(SO4)3(ac)
Cr{+3} + CrO4{2-} = Cr2(CrO4)3 =>
2 Cr{+3} + 3 CrO4{2-} = Cr2(CrO4)3
Na2S + ZnCl2 = ZnS + NaCl =>
Na2S + ZnCl2 = ZnS + 2 NaCl
Cr{+3} + CrO4{2-} = Cr2(CrO4)3 =>
2 Cr{+3} + 3 CrO4{2-} = Cr2(CrO4)3
NO + KMnO4 + HNO3 = Mn(NO3)2 + H2O + KNO3 =>
5 NO + 3 KMnO4 + 4 HNO3 = 3 Mn(NO3)2 + 2 H2O + 3 KNO3
Na2SO4(aq) + Ba(CH3COO)2(aq) = BaSO4 + NaCH3COO =>
Na2SO4(aq) + Ba(CH3COO)2(aq) = BaSO4 + 2 NaCH3COO
Ra(OH)2 = Ra + (OH)2 =>
Ra(OH)2 = Ra + (OH)2
KOH + Se = K2SeO3 + K2Se + H2O =>
6 KOH + 3 Se = K2SeO3 + 2 K2Se + 3 H2O
ZnSO4 + LiNO3 = Zn(NO3)2 + Li2SO4 =>
ZnSO4 + 2 LiNO3 = Zn(NO3)2 + Li2SO4
C7H14 + KMnO4 + H2SO4 = C7H14COOH + MnSO4 + K2SO4 + H2O =>
16 C7H14 + 14 KMnO4 + 21 H2SO4 = 14 C7H14COOH + 14 MnSO4 + 7 K2SO4 + 28 H2O
C18H26O2 + O2 = CO4 + H2O =>
2 C18H26O2 + 83 O2 = 36 CO4 + 26 H2O
KOH + H2SiO3 = K2SiO3 + H2O =>
2 KOH + H2SiO3 = K2SiO3 + 2 H2O
N2H5Cl = NH2 + HCl =>
N2H5Cl = 2 NH2 + HCl
S(s) + NaOH(aq) = Na2S(aq) + Na2S2O3(aq) + H2O(aq) =>
4 S(s) + 6 NaOH(aq) = 2 Na2S(aq) + Na2S2O3(aq) + 3 H2O(aq)
MgOAl2O3 = Mg(AlO2)2 =>
MgOAl2O3 = Mg(AlO2)2
Cr{+3} + CrO4{2-} = Cr2(CrO4)3 =>
2 Cr{+3} + 3 CrO4{2-} = Cr2(CrO4)3
NH4Cl + O2 = NO2 + HCl + H2O =>
4 NH4Cl + 7 O2 = 4 NO2 + 4 HCl + 6 H2O
H2SO4 + K2SO4 = H2K2 + SO4 =>
H2SO4 + K2SO4 = H2K2 + 2 SO4
Zr3Al2 + Si = ZrAl2 + Zr5Si4 =>
5 Zr3Al2 + 8 Si = 5 ZrAl2 + 2 Zr5Si4
C6H5Cl + H2O = C6H6O + HCl =>
C6H5Cl + H2O = C6H6O + HCl
Fe + K3[Fe(CN)6] + H2SO4 = Fe3[Fe(CN)6] + H2 + K2SO4 =>
6 Fe + 2 K3[Fe(CN)6] + 3 H2SO4 = 2 Fe3[Fe(CN)6] + 3 H2 + 3 K2SO4
CaMg(CO3)2 + H{+} = H2O + CO2 + Ca{2+} + Mg{2+} =>
CaMg(CO3)2 + 4 H{+} = 2 H2O + 2 CO2 + Ca{2+} + Mg{2+}
ZnCl2(aq) + Na2CO3(aq) = ZnCO3 + NaCl =>
ZnCl2(aq) + Na2CO3(aq) = ZnCO3 + 2 NaCl
K2CrO4 + BaCl2 = K2Cl2 + BaCrO4 =>
K2CrO4 + BaCl2 = K2Cl2 + BaCrO4
Ca(HCO3)2 + Ba(OH)2 = Ca(OH)2 + Ba(HCO3)2 =>
Ca(HCO3)2 + Ba(OH)2 = Ca(OH)2 + Ba(HCO3)2
HBr + HKCO3 = H2O + KBr + CO2 =>
HBr + HKCO3 = H2O + KBr + CO2
Cr2O3 + NaOH = Cr(OH)3 + Na2O =>
Cr2O3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2O
Fe2O + CO = Fe + CO2 =>
Fe2O + CO = 2 Fe + CO2
CuCl2 + K2(CrO4) = Cu(CrO4) + KCl =>
CuCl2 + K2(CrO4) = Cu(CrO4) + 2 KCl
CH3CO2H(aq) + Na2CO3(aq) = CH3CO2Na(aq) + H2O(l) + CO2(g) =>
2 CH3CO2H(aq) + Na2CO3(aq) = 2 CH3CO2Na(aq) + H2O(l) + CO2(g)
LiCl + KNO3 = KCl + LiNO3 =>
LiCl + KNO3 = KCl + LiNO3
Sb2S5 + HNO3 = Sb2O5 + H2SO4 + NO + H2O =>
3 Sb2S5 + 40 HNO3 = 3 Sb2O5 + 15 H2SO4 + 40 NO + 5 H2O
HNO3 + Na2SO3 = HSO3 + Na2NO3 =>
HNO3 + Na2SO3 = HSO3 + Na2NO3
CH3CH2OH + CH3CH2CH2COOH = CH3CH2CH2COOCH2CH3 + H2O =>
CH3CH2OH + CH3CH2CH2COOH = CH3CH2CH2COOCH2CH3 + H2O
H{+} + Fe = H + Fe{2+} =>
2 H{+} + Fe = 2 H + Fe{2+}
SO2Fe(OH)2 = FeSO3H2O =>
SO2Fe(OH)2 = FeSO3H2O
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