| Équations équilibrées la veille | Équations équilibrées le lendemain |
C5H11 + Br2 = C5H11Br2
AsH3 + HgCl2 = Hg3Cl3As + HCl =>
AsH3 + 3 HgCl2 = Hg3Cl3As + 3 HCl
Ca(s) + H2SO4(aq) = CaSO4(aq) + H2(g) =>
Ca(s) + H2SO4(aq) = CaSO4(aq) + H2(g)
Mg(CN)2 + HCl = CHN + MgCl2 =>
Mg(CN)2 + 2 HCl = 2 CHN + MgCl2
AgBr + GaPO4Ag3PO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4Ag3PO4 = 2 Ag3PO4 + GaBr3
NaCl + MgSO4 = MgCl2(aq) + Na2SO4 =>
2 NaCl + MgSO4 = MgCl2(aq) + Na2SO4
KMnO4 + H2C2O4 + H2SO4 = MnO + CO2 + H2O + K2SO4 =>
2 KMnO4 + 5 H2C2O4 + H2SO4 = 2 MnO + 10 CO2 + 6 H2O + K2SO4
Fe + Cl2 + O2 = Fe(ClO)2 =>
Fe + Cl2 + O2 = Fe(ClO)2
LiOH + H2SO4 = LiSO4H + H2O =>
LiOH + H2SO4 = LiSO4H + H2O
Ca(ClO3)2 + CaCl2 + H2O = Ca(OH)2 + Cl2 =>
Ca(ClO3)2 + 5 CaCl2 + 6 H2O = 6 Ca(OH)2 + 6 Cl2
N + Br = Br3N =>
N + 3 Br = Br3N
KClO3 + PbCl2 = KCl2 + PbClO3 =>
KClO3 + PbCl2 = KCl2 + PbClO3
KMnO4 + H2SO4 = MnSO4 + O2 + K2SO + H2O =>
2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 4 O2 + K2SO + 3 H2O
Mg(HSO4)2 + Mg(OH)2 = (MgOH)2SO4 + H2O =>
Mg(HSO4)2 + 3 Mg(OH)2 = 2(MgOH)2SO4 + 2 H2O
HNO3 + Cu(OH)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(OH)2 = Cu(NO3)2 + 2 H2O
Ba3N2 + Na2S = BaS + Na3N =>
Ba3N2 + 3 Na2S = 3 BaS + 2 Na3N
Cr2O72 = Cr + O2 =>
Cr2O72 = 2 Cr + 36 O2
C18H33O2Na + HCl = C18H34O2 + NaCl =>
C18H33O2Na + HCl = C18H34O2 + NaCl
Na2CO3 + Na2S = Na + CO3S =>
Na2CO3 + Na2S = 4 Na + CO3S
C5H10 + Br2 = C4H9Br + CHBr =>
C5H10 + Br2 = C4H9Br + CHBr
AgC2H3O2 + MgCl2 = AgCl + Mg(C2H3O2)2 =>
2 AgC2H3O2 + MgCl2 = 2 AgCl + Mg(C2H3O2)2
SO3 + NaOH = NaO + SOH + H2O =>
SO3 + 5 NaOH = 5 NaO + SOH + 2 H2O
HC2H3O2 + O2 = CO2 + H2O =>
HC2H3O2 + 2 O2 = 2 CO2 + 2 H2O
Fe(NO3)2 + KMnO4 + H2SO4 = MnSO4 + Fe2(SO4)3 + KNO3 + Fe(NO3)3 + H2O =>
5 Fe(NO3)2 + KMnO4 + 4 H2SO4 = MnSO4 + Fe2(SO4)3 + KNO3 + 3 Fe(NO3)3 + 4 H2O
Cu + H2C2O4*2H2O = CuC2O4 + H2 + H2O =>
Cu + H2C2O4*2H2O = CuC2O4 + H2 + 2 H2O
(Mg)(OH)2 = (Mg)(O) + (H2O) =>
(Mg)(OH)2 = (Mg)(O) + (H2O)
Al2(SO4)3 + H2O = Al(OH)3 + H2SO4 =>
Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 H2SO4
KClO3 + KI + HCl = I2 + KCl + H2O =>
KClO3 + 6 KI + 6 HCl = 3 I2 + 7 KCl + 3 H2O
C2H5OH + Ag2O = CH3CHO + Ag + H2O =>
C2H5OH + Ag2O = CH3CHO + 2 Ag + H2O
C3H6(propene) + KMnO4 + H2O = CH3CHOHCH2OH + MnO2 + KOH =>
3 C3H6(propene) + 2 KMnO4 + 4 H2O = 3 CH3CHOHCH2OH + 2 MnO2 + 2 KOH
Co(NO3)2(aq) + HCl(l) = CoCl2 + HNO3 =>
Co(NO3)2(aq) + 2 HCl(l) = CoCl2 + 2 HNO3
HC2H3O2 + Ba(OH)2 = H2O + Ba(C6H3O2)2 =>
6 HC2H3O2 + Ba(OH)2 = 10 H2O + Ba(C6H3O2)2
Nd + SO4 = Nd2(SO4)3 =>
2 Nd + 3 SO4 = Nd2(SO4)3
NaAlSi3O8 + H + H2O = Na + Al2Si2O9H4 + SiO2 =>
2 NaAlSi3O8 + 2 H + H2O = 2 Na + Al2Si2O9H4 + 4 SiO2
Zn + KOH + KNO3 = NH3 + K2ZnO2 + H2O =>
4 Zn + 7 KOH + KNO3 = NH3 + 4 K2ZnO2 + 2 H2O
CuO(s) + NH3 = N2(g) + Cu(s) + H2O(g) =>
3 CuO(s) + 2 NH3 = N2(g) + 3 Cu(s) + 3 H2O(g)
Cs2CO3 + AlCl3 = Al2(CO3)3 + CsCl =>
3 Cs2CO3 + 2 AlCl3 = Al2(CO3)3 + 6 CsCl
C2H5OH + K2Cr2O7 = Cr + CO2 + H2O + K =>
7 C2H5OH + 6 K2Cr2O7 = 12 Cr + 14 CO2 + 21 H2O + 12 K
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Cu + SnSO4 = CuSO4 + Sn =>
Cu + SnSO4 = CuSO4 + Sn
Ca(NO3)2 + Na(SO4) = Ca(SO4) + Na(NO3)2 =>
Ca(NO3)2 + Na(SO4) = Ca(SO4) + Na(NO3)2
Co(ClO4)2(aq) + NaCN(aq) = Co(CN)2(s) + NaClO4(aq) =>
Co(ClO4)2(aq) + 2 NaCN(aq) = Co(CN)2(s) + 2 NaClO4(aq)
H3BO3 + Ni = Ni3(BO3)2 + H2 =>
2 H3BO3 + 3 Ni = Ni3(BO3)2 + 3 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
MgSO4*7H2O = MgO + H2O + H2SO4 =>
MgSO4*7H2O = MgO + 6 H2O + H2SO4
H2S(aq) + AgNO3(aq) = Ag2S(aq) + HNO3 =>
H2S(aq) + 2 AgNO3(aq) = Ag2S(aq) + 2 HNO3
CH3COOH + NaHCO3 = NaCOOH + H2O + CO2 =>
CH3COOH + 4 NaHCO3 = 4 NaCOOH + 2 H2O + 2 CO2
KMnO4 + KNO2 + KOH = K2MnO4 + KNO3*H2O =>
2 KMnO4 + KNO2 + 2 KOH = 2 K2MnO4 + KNO3*H2O
FeS + HNO3 = Fe(NO3)3 + S + H2O + NO =>
FeS + 4 HNO3 = Fe(NO3)3 + S + 2 H2O + NO
Al(s) + HCl(ag) = H2(s) + AlCl3(ag) =>
2 Al(s) + 6 HCl(ag) = 3 H2(s) + 2 AlCl3(ag)
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