| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2O + H2O = 2 NaOH
K2CrO4 + H2SO4 + CH3CH2OH = CrSO4 + KSO4 + H2O + CH3CHO =>
K2CrO4 + 3 H2SO4 + CH3CH2OH = CrSO4 + 2 KSO4 + 4 H2O + CH3CHO
C8H8O3 + HNO3 = C8H7NO5 + H3O + NO3 =>
C8H8O3 + 2 HNO3 = C8H7NO5 + H3O + NO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KCI + NaNo3 = KNo3 + NaCI =>
KCI + NaNo3 = KNo3 + NaCI
Fe2O3 + P = Fe + P2O5 =>
5 Fe2O3 + 6 P = 10 Fe + 3 P2O5
Na2B4O7 + H2O = NaOH + H2B4O7 =>
Na2B4O7 + 2 H2O = 2 NaOH + H2B4O7
P2O5 + BaO = BaO2 + PO2 =>
P2O5 + BaO = BaO2 + 2 PO2
K2Cr2O3 + H2O2 + H2SO4 = KHSO4 + Cr2(SO4)3 + H2O =>
K2Cr2O3 + H2O2 + 5 H2SO4 = 2 KHSO4 + Cr2(SO4)3 + 5 H2O
Fe2O3 + P = Fe + P2O5 =>
5 Fe2O3 + 6 P = 10 Fe + 3 P2O5
K2S + HNO3 = K2SO4 + NO + H2O =>
3 K2S + 8 HNO3 = 3 K2SO4 + 8 NO + 4 H2O
Ti(SO4)2 + H2O = Ti(OH)2SO4 + H2SO4 =>
Ti(SO4)2 + 2 H2O = Ti(OH)2SO4 + H2SO4
Cr2O7{2-} + CH3CH2OH + H{+} = Cr{3+} + CH3COOH + H2O =>
2 Cr2O7{2-} + 3 CH3CH2OH + 16 H{+} = 4 Cr{3+} + 3 CH3COOH + 11 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
FK = F + K2 =>
2 FK = 2 F + K2
MnI2(aq) + AgNO3(aq) = AgI(s) + Mn(NO3)2(aq) =>
MnI2(aq) + 2 AgNO3(aq) = 2 AgI(s) + Mn(NO3)2(aq)
Cr(OH)3 + KOH = K(Cr(OH)4) =>
Cr(OH)3 + KOH = K(Cr(OH)4)
Pb(No3)2 + NaI = PbI2 + NaNo3 =>
Pb(No3)2 + 2 NaI = PbI2 + 2 NaNo3
AlCl3 + Fe = FeCl3 + Al =>
AlCl3 + Fe = FeCl3 + Al
SO4{2-} + H{+} + CH2O = S{-} + CO2 + H2O =>
4 SO4{2-} + 4 H{+} + 7 CH2O = 4 S{-} + 7 CO2 + 9 H2O
Mg2 + F = MgF2 =>
Mg2 + 4 F = 2 MgF2
LiNO3 + Mg(ClO3)2 = Mg(NO3)2 + LiClO3 =>
2 LiNO3 + Mg(ClO3)2 = Mg(NO3)2 + 2 LiClO3
Na2S2O4 + O2 + H2O = NaHSO4 + NaHSO3 =>
Na2S2O4 + O2 + H2O = NaHSO4 + NaHSO3
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
BeO + Li3N = Be3N2 + Li2O =>
3 BeO + 2 Li3N = Be3N2 + 3 Li2O
TaCl5 + Na = Ta + NaCl =>
TaCl5 + 5 Na = Ta + 5 NaCl
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
[Co(NH3)4(H2O)CN]Br2 = Co(NH3)4 + (H2O)CN + Br =>
[Co(NH3)4(H2O)CN]Br2 = Co(NH3)4 + (H2O)CN + 2 Br
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
K2Cr2O7 + HNO3 = KNO3 + H2Cr2O7 =>
K2Cr2O7 + 2 HNO3 = 2 KNO3 + H2Cr2O7
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Fe + NO2 = NO + FeO =>
Fe + NO2 = NO + FeO
CuS + NaF = CuF2 + Na2S =>
CuS + 2 NaF = CuF2 + Na2S
NaOH + Na2CO3 = NaHCO3 + Na2O =>
NaOH + Na2CO3 = NaHCO3 + Na2O
FeCl3 + MgO = MgCl2 + Fe2O3 =>
2 FeCl3 + 3 MgO = 3 MgCl2 + Fe2O3
Al2O3 + Mg(OH)2 + H2O = Mg3(Al(OH)6)2 =>
Al2O3 + 3 Mg(OH)2 + 3 H2O = Mg3(Al(OH)6)2
CO2 + NH4{+} + H2 = C5H9O4N + H2O + H{+} =>
5 CO2 + NH4{+} + 9 H2 = C5H9O4N + 6 H2O + H{+}
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2 =>
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2
Mg3P2 + HCl = PH3 + MgCl2 =>
Mg3P2 + 6 HCl = 2 PH3 + 3 MgCl2
Ni + Cu2O = Cu + NiO =>
Ni + Cu2O = 2 Cu + NiO
BaCl + KI = KCl + BaI =>
BaCl + KI = KCl + BaI
KMnO4 + H2O + K2SO3 = MnO2 + K2SO4 + KOH =>
2 KMnO4 + H2O + 3 K2SO3 = 2 MnO2 + 3 K2SO4 + 2 KOH
NaIO3 + NaI + H2SO4 = Na2SO4 + I2 + H2O =>
NaIO3 + 5 NaI + 3 H2SO4 = 3 Na2SO4 + 3 I2 + 3 H2O
SnO + KOH = SnOH + KO =>
SnO + KOH = SnOH + KO
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
K2[Cr2O7] + HCl = CrCl3 + KCl + H2O + Cl2 =>
K2[Cr2O7] + 14 HCl = 2 CrCl3 + 2 KCl + 7 H2O + 3 Cl2
CrPO4 + Zn(NO2)2 = Cr(NO2)3 + Zn3(PO4)2 =>
2 CrPO4 + 3 Zn(NO2)2 = 2 Cr(NO2)3 + Zn3(PO4)2
NiCl3 + Zn(s) = ZnCl2 + Ni2(aq) =>
2 NiCl3 + 3 Zn(s) = 3 ZnCl2 + Ni2(aq)
NH2 + O2 = NO + H2O =>
NH2 + O2 = NO + H2O
C + O = Carbondioxide =>
C + 2 O = CO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/01/24
Équations équilibrées sur10/01/23
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