| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CH3COCH3 + 16 CrO3 = 8 Cr2O3 + 9 H2O + 9 CO2
C2H5OH + K2CrO7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CH3CHO + H2O =>
9 C2H5OH + 2 K2CrO7 + 5 H2SO4 = 2 K2SO4 + Cr2(SO4)3 + 9 CH3CHO + 14 H2O
NH4OH + HNO3 = NO3NH4 + HOH =>
NH4OH + HNO3 = NO3NH4 + HOH
HCl + MgCl2 = HCl2 + MgCl =>
HCl + MgCl2 = HCl2 + MgCl
XKBr + H2SO4 + MnO2 = XKHSO4 + MnSO4 + H2O + Br2 =>
2 XKBr + 3 H2SO4 + MnO2 = 2 XKHSO4 + MnSO4 + 2 H2O + Br2
CaCl(O3)2 = CaCl + O =>
CaCl(O3)2 = CaCl + 6 O
H2SO4 + FeSO4 + KClO4 = Fe2(SO4)3 + KCl + H2O =>
4 H2SO4 + 8 FeSO4 + KClO4 = 4 Fe2(SO4)3 + KCl + 4 H2O
Hg2SO4 + CuOH = Cu2SO4 + HgOH =>
Hg2SO4 + 2 CuOH = Cu2SO4 + 2 HgOH
C2H4(g) + O2(g) = CO2(g) + H2O(i) =>
C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(i)
K2O = K + O2 =>
2 K2O = 4 K + O2
H2SO4 + NaCl + H2O = HClO4 + Na2SO4 + H2 =>
H2SO4 + 2 NaCl + 8 H2O = 2 HClO4 + Na2SO4 + 8 H2
C14H21NONH = OH + C14H21N2 =>
C14H21NONH = OH + C14H21N2
Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3
KMnO4 + NaOH + NaHSO3 = K2SO4 + Na2SO4 + H2O + MnO2 =>
2 KMnO4 + NaOH + 3 NaHSO3 = K2SO4 + 2 Na2SO4 + 2 H2O + 2 MnO2
HCl + CO3 = H2CO3 + Cl2 =>
2 HCl + CO3 = H2CO3 + Cl2
Na2CO3 + H2SO4 = Na2SO4 + H2OCO2 =>
Na2CO3 + H2SO4 = Na2SO4 + H2OCO2
NH4OH + CoCl2 = CoOH + NH4Cl2 =>
NH4OH + CoCl2 = CoOH + NH4Cl2
LiCl + HNO3 = LiNO3 + HCl =>
LiCl + HNO3 = LiNO3 + HCl
FeCl3*6H2O + K4Fe(CN)6 = Fe4(Fe(CN)6)3 + KCl + H2O =>
4 FeCl3*6H2O + 3 K4Fe(CN)6 = Fe4(Fe(CN)6)3 + 12 KCl + 24 H2O
H2SO4 + MgS = H2S + MgSO4 =>
H2SO4 + MgS = H2S + MgSO4
SO2 + KMnO4 + H2O = Mn(HSO4)2 + K2SO4 =>
5 SO2 + 2 KMnO4 + 2 H2O = 2 Mn(HSO4)2 + K2SO4
NiSO4 = NiS + O2 =>
NiSO4 = NiS + 2 O2
Na2HPO4 + HNO3 = NaNO3 + H2 + PO4 =>
2 Na2HPO4 + 4 HNO3 = 4 NaNO3 + 3 H2 + 2 PO4
Zn2 + (SCN)1 = Zn(SCN)2 =>
Zn2 + 4(SCN)1 = 2 Zn(SCN)2
H2O + NO + Zn{2+} = HNO2 + Zn{+} + H{+} =>
H2O + NO + Zn{2+} = HNO2 + Zn{+} + H{+}
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
NaOH(s) + HNO3(aq) = NaNO3(aq) + H2O(l) =>
NaOH(s) + HNO3(aq) = NaNO3(aq) + H2O(l)
NH4NO3(s) = H2O + N2 + O2 =>
2 NH4NO3(s) = 4 H2O + 2 N2 + O2
Al + KOH = [Al(OH)4] + K =>
Al + 4 KOH = [Al(OH)4] + 4 K
S + CO = SO2 + C =>
S + 2 CO = SO2 + 2 C
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
FeCl2 + K3Cr2O7 + HCl = FeCl3 + KCl + CrCl3 + H2O =>
5 FeCl2 + K3Cr2O7 + 14 HCl = 5 FeCl3 + 3 KCl + 2 CrCl3 + 7 H2O
C4H8Br2 + KOH = C4H10O2 + KBr =>
C4H8Br2 + 2 KOH = C4H10O2 + 2 KBr
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Na2CO3 + Mg(NO3)2 = MgCO3 + NaNO3 =>
Na2CO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3
FeSO4 + KMnO4 + H3SO4 = Fe2(SO4)3 + K2SO4 + MnSO4 + H2O =>
14 FeSO4 + 6 KMnO4 + 16 H3SO4 = 7 Fe2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 24 H2O
Cu2S + O2 + C = Cu + CSO2 =>
Cu2S + O2 + C = 2 Cu + CSO2
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
BaCl2 + H2O = Ba(OH)2 + HCl =>
BaCl2 + 2 H2O = Ba(OH)2 + 2 HCl
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Au + Cu + HCl + H2O2 = AuCuCl2 + H2O =>
Au + Cu + 2 HCl + H2O2 = AuCuCl2 + 2 H2O
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
K(MnO4)2 + HCl = KCl + MnCl + H2O + Cl2 =>
2 K(MnO4)2 + 32 HCl = 2 KCl + 4 MnCl + 16 H2O + 13 Cl2
LiHCO3 = Li2CO3 + H2O + CO2 =>
2 LiHCO3 = Li2CO3 + H2O + CO2
NH4CI + AgNO2 = NH4NO2 + AgCI =>
NH4CI + AgNO2 = NH4NO2 + AgCI
Tb5 + N3 = Tb3N5 =>
9 Tb5 + 25 N3 = 15 Tb3N5
Cl2 + H2S = S + Cl{-} + H{+} =>
Cl2 + H2S = S + 2 Cl{-} + 2 H{+}
HgO2H2 + H3PO4 = Hg3 + P2O8 + H2O =>
3 HgO2H2 + 2 H3PO4 = Hg3 + P2O8 + 6 H2O
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Équations équilibrées sur12/22/24
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