| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn + 2 HCl = ZnCl2 + 2 H
Na2O + H3PO4 = H2O + Na3PO4 =>
3 Na2O + 2 H3PO4 = 3 H2O + 2 Na3PO4
H2SO4(ll) + Na2CO3(s) = Na2SO4(aq) + H2O + CO2(g) =>
H2SO4(ll) + Na2CO3(s) = Na2SO4(aq) + H2O + CO2(g)
Fe2O3 + KNO3 + KOH = K2FeO4 + KNO2 + H2O =>
Fe2O3 + 3 KNO3 + 4 KOH = 2 K2FeO4 + 3 KNO2 + 2 H2O
CH3NO2 + O2 = CO2 + N2 + H2O =>
4 CH3NO2 + 3 O2 = 4 CO2 + 2 N2 + 6 H2O
Na2CO3 + Zn(NO3)2 = Zn(CO3) + Na(NO3) =>
Na2CO3 + Zn(NO3)2 = Zn(CO3) + 2 Na(NO3)
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
rubidiumhydroxide + bariumchloride = rubidiumchloride + bariumhydroxide =>
2 RbOH + BaCl2 = 2 RbCl + Ba(OH)2
CaO + Mg(OH)2 = MgO + Ca(OH)2 =>
CaO + Mg(OH)2 = MgO + Ca(OH)2
Na2S + HNO3 = Na(NO3) + H2S =>
Na2S + 2 HNO3 = 2 Na(NO3) + H2S
KMnO4 + Cr2(SO4)3 + KOH = K2MnO4 + K2SO4 + K2CrO4 + H2O =>
6 KMnO4 + Cr2(SO4)3 + 16 KOH = 6 K2MnO4 + 3 K2SO4 + 2 K2CrO4 + 8 H2O
CuCl2OH = Cu(OH)Cl2 =>
CuCl2OH = Cu(OH)Cl2
KOJ = KJO3 + KJ =>
3 KOJ = KJO3 + 2 KJ
Fe3O4 + HNO3 = NO + Fe(NO3)3 + H2O =>
3 Fe3O4 + 28 HNO3 = NO + 9 Fe(NO3)3 + 14 H2O
NaNO2(aq) + HSO3NH2(s) = NaHSO4(aq) + H2O(l) + N2(g) =>
NaNO2(aq) + HSO3NH2(s) = NaHSO4(aq) + H2O(l) + N2(g)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
Fe + K4[Fe(CN)6] = Fe2[Fe(CN)6] + K =>
2 Fe + K4[Fe(CN)6] = Fe2[Fe(CN)6] + 4 K
NaCN + H2O = HCN + Na2O =>
2 NaCN + H2O = 2 HCN + Na2O
CO2 + K2O = K2CO3 =>
CO2 + K2O = K2CO3
NaCN + H2O = HCOONa + NH3 =>
NaCN + 2 H2O = HCOONa + NH3
CH3CH2COOH + K2CO3 = CH3CH2COK + CO2 + H2O =>
16 CH3CH2COOH + 7 K2CO3 = 14 CH3CH2COK + 13 CO2 + 13 H2O
K2CrO4 + AgCl = Ag2CrO4 + KCl =>
K2CrO4 + 2 AgCl = Ag2CrO4 + 2 KCl
La + HCl = La3{+} + Cl{-} + H2 =>
6 La + 2 HCl = 2 La3{+} + 2 Cl{-} + H2
Na(Br)(s) + Ag(NO3)(aq) = Na(NO3) + Br(Ag) =>
Na(Br)(s) + Ag(NO3)(aq) = Na(NO3) + Br(Ag)
Fe2O3 + CaCl2 = CaO + FeCl3 =>
Fe2O3 + 3 CaCl2 = 3 CaO + 2 FeCl3
Mg2 + O2 + Br2 = MgO2Br2 =>
Mg2 + 2 O2 + 2 Br2 = 2 MgO2Br2
KMnO4 + As2O3 + H2SO4 = MnSO4 + As2(SO4)5 + H2O + K2SO4 =>
4 KMnO4 + 5 As2O3 + 31 H2SO4 = 4 MnSO4 + 5 As2(SO4)5 + 31 H2O + 2 K2SO4
K2S + CuCl2 = CuS + KCl =>
K2S + CuCl2 = CuS + 2 KCl
Cr(ClO3)3 + SrCO3 = Cr2(CO3)3 + Sr(ClO3)2 =>
2 Cr(ClO3)3 + 3 SrCO3 = Cr2(CO3)3 + 3 Sr(ClO3)2
NaCn + HCl = HCn + NaCl =>
NaCn + HCl = HCn + NaCl
NaOH(aq) + Zn(NO3)2(aq) = Na(NO3)(aq) + Zn(OH)2(s) =>
2 NaOH(aq) + Zn(NO3)2(aq) = 2 Na(NO3)(aq) + Zn(OH)2(s)
BrF5 = Br2 + F2 =>
2 BrF5 = Br2 + 5 F2
NaCl + H2SO4 + MnO4 = NaSO4 + MnCl2 + H2O + Cl2 =>
4 NaCl + 4 H2SO4 + MnO4 = 4 NaSO4 + MnCl2 + 4 H2O + Cl2
H3PO4 + (NH4)2MoO4 + HNO3 = MoPO4 + NO2 + H2O =>
H3PO4 + (NH4)2MoO4 + 11 HNO3 = MoPO4 + 13 NO2 + 11 H2O
HC2H2O2 + Al(OH)3 = H2O + Al(C2H2O2)3 =>
3 HC2H2O2 + Al(OH)3 = 3 H2O + Al(C2H2O2)3
Ba(NO3)2 + Na2(CO3) = Ba2(CO3)2 + Na(NO3) =>
2 Ba(NO3)2 + 2 Na2(CO3) = Ba2(CO3)2 + 4 Na(NO3)
H3NCH2CONHCH2COO + H2O = H3NCH2COO =>
H3NCH2CONHCH2COO + H2O = 2 H3NCH2COO
MgCO3 + H3PO4 = Mg3(PO4)2 + H2O + CO2 =>
3 MgCO3 + 2 H3PO4 = Mg3(PO4)2 + 3 H2O + 3 CO2
Al + N2H4ClO4 = N2 + H2O + HCl + Al2O3 =>
10 Al + 6 N2H4ClO4 = 6 N2 + 9 H2O + 6 HCl + 5 Al2O3
Cu + LiCl = CuCl2 + Li =>
Cu + 2 LiCl = CuCl2 + 2 Li
NH4Cl + CaOH2 = Ca2Cl + H2O + NH4 =>
NH4Cl + 2 CaOH2 = Ca2Cl + 2 H2O + NH4
Gu + O2 = GuO =>
2 Gu + O2 = 2 GuO
C3H6O + CrO3 + H2SO4 = C3H6OCOOH + H2O + Cr2(SO4)3 =>
24 C3H6O + 26 CrO3 + 39 H2SO4 = 18 C3H6OCOOH + 48 H2O + 13 Cr2(SO4)3
NH3 + NH4H2PO4 = (NH4)3PO4 =>
2 NH3 + NH4H2PO4 = (NH4)3PO4
KNO3 + MnO2 + KOH = KNO2 + KMnO4 + H2O =>
3 KNO3 + 2 MnO2 + 2 KOH = 3 KNO2 + 2 KMnO4 + H2O
MgCl2 + H2O = HCl + Mg(OH)2 =>
MgCl2 + 2 H2O = 2 HCl + Mg(OH)2
C6H12O6(aq) = CH3CH2OH(aq) + CO2 =>
C6H12O6(aq) = 2 CH3CH2OH(aq) + 2 CO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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