| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CHO + Br2 + H2O = CH3COOH + 2 HBr
Zn + H2O = H2 + ZnO =>
Zn + H2O = H2 + ZnO
NH3OHHCl = NH3ClH2O =>
NH3OHHCl = NH3ClH2O
C7H7NO2 + K2Cr2O7 + H2SO4 = C7H5NO4 + K2SO4 + Cr2(SO4)3 + H2O =>
C7H7NO2 + K2Cr2O7 + 4 H2SO4 = C7H5NO4 + K2SO4 + Cr2(SO4)3 + 5 H2O
Cu + HNO3 = Cu(NO3)2 + N + H2O =>
5 Cu + 12 HNO3 = 5 Cu(NO3)2 + 2 N + 6 H2O
KBr + Cl2 = KCl + Br2(i) =>
2 KBr + Cl2 = 2 KCl + Br2(i)
Al + Fe{+2}O{+3} = Fe + Al{+2}O{+3} =>
Al + Fe{+2}O{+3} = Fe + Al{+2}O{+3}
Fe(SCN)3 + Na2SO3 + H2SO4 = FeSO4 + (SCN)2 + Na2S + H2O =>
6 Fe(SCN)3 + 2 Na2SO3 + 6 H2SO4 = 6 FeSO4 + 9(SCN)2 + 2 Na2S + 6 H2O
Mg + N2 + O2 = Mg(NO3)2 =>
Mg + N2 + 3 O2 = Mg(NO3)2
S + HNO3(concentrated) = H2SO4 + NO2 + H2O =>
S + 6 HNO3(concentrated) = H2SO4 + 6 NO2 + 2 H2O
Cu(OH)2 + NH3 = Cu(NH3)4 + (OH)2 =>
Cu(OH)2 + 4 NH3 = Cu(NH3)4 + (OH)2
HOCl(aq) + NaOH(aq) = H2O(l) + NaOCl(aq) =>
HOCl(aq) + NaOH(aq) = H2O(l) + NaOCl(aq)
Al + HNO3 + NaOH + H2O = NH3 + Na[Al(OH)4] =>
8 Al + 3 HNO3 + 8 NaOH + 15 H2O = 3 NH3 + 8 Na[Al(OH)4]
Mg + HOOCCOOH = HOOCCOOMg + H2 =>
2 Mg + 2 HOOCCOOH = 2 HOOCCOOMg + H2
Na2S(aq) + HCI(aq) = NaCI(aq) + H2S(g) =>
Na2S(aq) + 2 HCI(aq) = 2 NaCI(aq) + H2S(g)
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
CrO3 + Fe = Fe2O3 + Cr =>
CrO3 + 2 Fe = Fe2O3 + Cr
KFeO2 + HCl = FeCl3 + KCl + H2O =>
KFeO2 + 4 HCl = FeCl3 + KCl + 2 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CH3COOH + H2 = CH3CHO + H2O =>
CH3COOH + H2 = CH3CHO + H2O
NH + I2 = N2I6 + H2 =>
2 NH + 3 I2 = N2I6 + H2
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Cu2SO4 + H2O = Cu2O + H2SO4 =>
Cu2SO4 + H2O = Cu2O + H2SO4
NaOHCO2(exces) = NaHCO3 =>
NaOHCO2(exces) = NaHCO3
AuS + O2 = Au2O3 + SO2 =>
4 AuS + 7 O2 = 2 Au2O3 + 4 SO2
Na2SO3 + Pb(NO3)2 = Na2(NO3)2 + PbSO3 =>
Na2SO3 + Pb(NO3)2 = Na2(NO3)2 + PbSO3
(a)Al(s) + (b)HCl(aq) = (c)AlCl3(aq) + (d)H2(g) =>
2(a)Al(s) + 6(b)HCl(aq) = 2(c)AlCl3(aq) + 3(d)H2(g)
KMnO4 + KNO2 + H2SO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 3 H2O + 5 KNO3 + K2SO4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
S2O8{2-} + H2O = SO4{2-} + O2 + H{+} =>
2 S2O8{2-} + 2 H2O = 4 SO4{2-} + O2 + 4 H{+}
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
CaCO + HCl = COCl2 + CaCl2 + H2 =>
CaCO + 4 HCl = COCl2 + CaCl2 + 2 H2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Na2O + KCl = NaCl + K2O =>
Na2O + 2 KCl = 2 NaCl + K2O
Fe3O4 + KMn04 + H2SO4 = Fe2SO4 + K2SO4 + MnSO4 + H2O =>
18 Fe3O4 + 10 KMn04 + 72 H2SO4 = 27 Fe2SO4 + 5 K2SO4 + 40 MnSO4 + 72 H2O
AgNO{3+} + H{2+}SO{4+} = Ag{2+}SO{4+} + HNO{3+} =>
AgNO{3+} + H{2+}SO{4+} = Ag{2+}SO{4+} + HNO{3+}
K2S2O3 + H2SO4 = K2SO4 + H2O + SO2 =>
K2S2O3 + 3 H2SO4 = K2SO4 + 3 H2O + 4 SO2
O2 + C5H12O2 = CO2 + H2O =>
7 O2 + C5H12O2 = 5 CO2 + 6 H2O
H3C6H5O7(aq) + NaHCO3(s) = CO2(g) + H2O(l) + Na3C6H5O7(aq) =>
H3C6H5O7(aq) + 3 NaHCO3(s) = 3 CO2(g) + 3 H2O(l) + Na3C6H5O7(aq)
C5H11OH + KMnO4 + H2SO4 = C5H10O + K2SO4 + MnSO4 + H2O =>
5 C5H11OH + 2 KMnO4 + 3 H2SO4 = 5 C5H10O + K2SO4 + 2 MnSO4 + 8 H2O
NaHCO3(s) + HCl(aq) = NaCl(s) + H2CO3 = NaCl(s) + H2O(l) + CO2 =>
NaHCO3(s) + HCl(aq) = NaCl(s) + H2CO3
K2MnO4 + Na2SO4 + H2O = KMnO4 + Na2SO3 + KOH =>
2 K2MnO4 + Na2SO4 + H2O = 2 KMnO4 + Na2SO3 + 2 KOH
Na2O + KCl = NaCl + K2O =>
Na2O + 2 KCl = 2 NaCl + K2O
KHCO3HCl = KClH2O(l)CO2 =>
KHCO3HCl = KClH2O(l)CO2
NaClAg = AgClNa =>
NaClAg = AgClNa
KOH + O2 = KO2 + OH =>
KOH + O2 = KO2 + OH
C4H6O5 + NaOH = C4H4O5 + H2O + Na =>
C4H6O5 + 2 NaOH = C4H4O5 + 2 H2O + 2 Na
N2H6SO4 + CuCl2 + NaOH = N2 + NaCl + Na2SO4 + CuCl + H2O =>
N2H6SO4 + 4 CuCl2 + 6 NaOH = N2 + 4 NaCl + Na2SO4 + 4 CuCl + 6 H2O
(CaO)3Al2O3 + CaO(Al2O3)6 = CaO(Al2O3)2 =>
4(CaO)3Al2O3 + 5 CaO(Al2O3)6 = 17 CaO(Al2O3)2
Fe + Cl2 = FeCl3 = =>
2 Fe + 3 Cl2 = 2 FeCl3
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Équations équilibrées sur11/15/24
Équations équilibrées sur12/15/23
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