| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 MnO + 3 Si = 2 MnSi + SiO2
Al + CuSO4*5H2O = Al2(SO4)3 + Cu + H2O =>
2 Al + 3 CuSO4*5H2O = Al2(SO4)3 + 3 Cu + 15 H2O
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
Na2Cr2O7 + SO2 = Na2SO3 + CrO3 =>
Na2Cr2O7 + SO2 = Na2SO3 + 2 CrO3
[NH3CH2COOH]Br + NaOH = NH2CH2COONa + NaBr + H2O =>
[NH3CH2COOH]Br + 2 NaOH = NH2CH2COONa + NaBr + 2 H2O
ZrCl4 + H2O2 = H2ZrO5 + HCl + O2 =>
2 ZrCl4 + 6 H2O2 = 2 H2ZrO5 + 8 HCl + O2
C5 = C =>
C5 = 5 C
CH3Br + H2O = CH4O + HBr =>
CH3Br + H2O = CH4O + HBr
[Cu(NH3)4](OH)2 + HCl = CuCl2 + NH3 + H2O =>
[Cu(NH3)4](OH)2 + 2 HCl = CuCl2 + 4 NH3 + 2 H2O
H2SO4(aq) + Ni(OH)2(aq) = H2O(l) + NiSO4(s) =>
H2SO4(aq) + Ni(OH)2(aq) = 2 H2O(l) + NiSO4(s)
Sb{3+} + NaOH = Sb(OH)4{-} + Na{+} =>
Sb{3+} + 4 NaOH = Sb(OH)4{-} + 4 Na{+}
Ba(OH)2 + P2O5 = BaHPO4 + H2O =>
2 Ba(OH)2 + P2O5 = 2 BaHPO4 + H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
C5H10Br2 + Zn = C5H10Br2Zn =>
C5H10Br2 + Zn = C5H10Br2Zn
MgCO3 + HCl = MgCl2 + H2CO3 =>
MgCO3 + 2 HCl = MgCl2 + H2CO3
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + H2SO4 + NO2 + H2O =>
CuFeS2 + 22 HNO3 = Cu(NO3)2 + Fe(NO3)3 + 2 H2SO4 + 17 NO2 + 9 H2O
SnS + HNO3 = NO + S + Sn(NO3)2 + H2O =>
3 SnS + 8 HNO3 = 2 NO + 3 S + 3 Sn(NO3)2 + 4 H2O
*Li3PO4 + *NaBr = *Na3PO4 + *LiBr =>
*Li3PO4 + 3*NaBr = *Na3PO4 + 3*LiBr
Cl2 + CaI2 = CaCl2 + I2 =>
Cl2 + CaI2 = CaCl2 + I2
Na2SO4 + Na2CO3 + MnCO3 = Na6Mn2(CO3)4(SO4) =>
Na2SO4 + 2 Na2CO3 + 2 MnCO3 = Na6Mn2(CO3)4(SO4)
C4H8O + HCN = C4H8OHCN =>
C4H8O + HCN = C4H8OHCN
Cr2O7{-2} + H{+} + H2S = Cr{+3} + H2O + SO4{-2} =>
4 Cr2O7{-2} + 26 H{+} + 3 H2S = 8 Cr{+3} + 16 H2O + 3 SO4{-2}
Fe + HOH = Fe2O3 + H2 =>
2 Fe + 3 HOH = Fe2O3 + 3 H2
BaCl2 + NaHCO3 = NaCl + BaCO3 + H2O + CO2 =>
BaCl2 + 2 NaHCO3 = 2 NaCl + BaCO3 + H2O + CO2
H3PO4 + (NH4)2CO3 = H2CO3 + (NH4)3PO4 =>
2 H3PO4 + 3(NH4)2CO3 = 3 H2CO3 + 2(NH4)3PO4
C10H14 + SO4{2-} + H{+} = CO2 + H2S + H2O =>
4 C10H14 + 27 SO4{2-} + 54 H{+} = 40 CO2 + 27 H2S + 28 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
NaSiO3CO2 = SiO2NaCO3 =>
NaSiO3CO2 = SiO2NaCO3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CH3COOHBaCO3 = BaCOOHCO3CH3 =>
CH3COOHBaCO3 = BaCOOHCO3CH3
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
NiSO4 + Li3PO4 = Li2SO4 + Ni3(PO4)2 =>
3 NiSO4 + 2 Li3PO4 = 3 Li2SO4 + Ni3(PO4)2
NH4Br = NH3 + HBr =>
NH4Br = NH3 + HBr
SrCl + HOH = HCl + SrOH =>
SrCl + HOH = HCl + SrOH
CO2(g) + O2(g) = CO4 =>
CO2(g) + O2(g) = CO4
C2H3ClCOOH + NH3 = C2H3NH2COOH + NH4Cl =>
C2H3ClCOOH + 2 NH3 = C2H3NH2COOH + NH4Cl
C6H5OH + Fe = C6H5OHFe =>
C6H5OH + Fe = C6H5OHFe
Zn + I2 = Zn7I13 =>
14 Zn + 13 I2 = 2 Zn7I13
Ca(OH)2 + H2C2O4 = Ca(C2O4) + H2O =>
Ca(OH)2 + H2C2O4 = Ca(C2O4) + 2 H2O
Fe(OH)3 + CuCl2 = Cu(OH)2 + FeCl3 =>
2 Fe(OH)3 + 3 CuCl2 = 3 Cu(OH)2 + 2 FeCl3
AlOHCl2 + HBr = AlCl3 + AlBr3 + H2O =>
3 AlOHCl2 + 3 HBr = 2 AlCl3 + AlBr3 + 3 H2O
HCl + MgO + K2O = MgKCl3 + H2O =>
6 HCl + 2 MgO + K2O = 2 MgKCl3 + 3 H2O
S(s) + NaOH(aq) = Na2S(aq) + Na2S2O3(aq) + H2O(aq) =>
4 S(s) + 6 NaOH(aq) = 2 Na2S(aq) + Na2S2O3(aq) + 3 H2O(aq)
Sr(NO3)2 + NaCaPO4 = Sr4P2O7 + O + Na + Ca + N =>
4 Sr(NO3)2 + 2 NaCaPO4 = Sr4P2O7 + 25 O + 2 Na + 2 Ca + 8 N
Au + O2 + NaCN + H2O = Na[Au(CN)2] + NaOH =>
4 Au + O2 + 8 NaCN + 2 H2O = 4 Na[Au(CN)2] + 4 NaOH
HNO2 + Ca = Ca(NO2)2 + H2 =>
2 HNO2 + Ca = Ca(NO2)2 + H2
Fe(Cl)3 + H2SO4 = Fe2(SO4)3 + HCl =>
2 Fe(Cl)3 + 3 H2SO4 = Fe2(SO4)3 + 6 HCl
CoH12 + O2 = Co2 + H2O =>
2 CoH12 + 6 O2 = Co2 + 12 H2O
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
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Équations équilibrées sur11/20/24
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