| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SO4 + 2 KHCO3 = (K)2SO4 + 2 H2O + 2 CO2
NaClO4(aq) + AgNO3(aq) = NaNO3(aq) + AgClO4(aq) =>
NaClO4(aq) + AgNO3(aq) = NaNO3(aq) + AgClO4(aq)
CuCl2 + K2CO3 + H2O = KCl + (CuOH)2CO3 + CO2 =>
2 CuCl2 + 2 K2CO3 + H2O = 4 KCl + (CuOH)2CO3 + CO2
S + O + H2O = H2SO4 =>
S + 3 O + H2O = H2SO4
K2SO3 + HCI = H2O + SO2 + KCI =>
K2SO3 + 2 HCI = H2O + SO2 + 2 KCI
BaSO4 + HI = BaS + I + H2O =>
BaSO4 + 8 HI = BaS + 8 I + 4 H2O
(Fe3O4) + Al = Fe + (Al2O3) =>
3(Fe3O4) + 8 Al = 9 Fe + 4(Al2O3)
Mg(s) + Cl2(s) = MgCl2(s) =>
Mg(s) + Cl2(s) = MgCl2(s)
NaBr + HNO3 = Br2 + NO2*NaNO3 + H2O =>
2 NaBr + 4 HNO3 = Br2 + 2 NO2*NaNO3 + 2 H2O
C8H5KO4 + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
2 C8H5KO4 + 10 K2Cr2O7 + 41 H2SO4 = 16 CO2 + 11 K2SO4 + 10 Cr2(SO4)3 + 46 H2O
CaCO3 + NH2CH2COOH + HClO4 = Ca(NH2CH2COOH)2(ClO4)2 + CO2 + H2O =>
CaCO3 + 2 NH2CH2COOH + 2 HClO4 = Ca(NH2CH2COOH)2(ClO4)2 + CO2 + H2O
(CH3CO)2O + H2O = CH3COOH =>
(CH3CO)2O + H2O = 2 CH3COOH
CH3CH2CHCHCH3 + Cl2 = CH3CH2CHClCHClCH3 =>
CH3CH2CHCHCH3 + Cl2 = CH3CH2CHClCHClCH3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Mg3P2 + NaCl = MgCl2 + Na3P =>
Mg3P2 + 6 NaCl = 3 MgCl2 + 2 Na3P
Ca[HCO3]2 = CaCO3 + H2O + CO2 =>
Ca[HCO3]2 = CaCO3 + H2O + CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
P4O10 + HNO3 = N2O5 + HPO3 =>
P4O10 + 4 HNO3 = 2 N2O5 + 4 HPO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H2O2 + C6H8O7 = C2H2O4 + H2O =>
6 H2O2 + C6H8O7 = 3 C2H2O4 + 7 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al2(SO4)3 + NaClO3 = Al(ClO3)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaClO3 = 2 Al(ClO3)3 + 3 Na2SO4
CO2(g) + H2O = C6H12O6(s) + O2 =>
6 CO2(g) + 6 H2O = C6H12O6(s) + 6 O2
KIO3 + KI + H2SO4 = K2SO4 + H2O + I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 I2
C6H6 + C2H5Br = C6H5Br + C2H6 =>
C6H6 + C2H5Br = C6H5Br + C2H6
C8H6 + H2O = C8H8O =>
C8H6 + H2O = C8H8O
CUO(s) + H2SO4 = CUSO4 + H2O =>
CUO(s) + H2SO4 = CUSO4 + H2O
NH4Cl + CrPO4 = (NH4)3PO4 + CrCl3 =>
3 NH4Cl + CrPO4 = (NH4)3PO4 + CrCl3
KHSO3 + NaNO3 = KNO3 + NaSO3 + H2 =>
2 KHSO3 + 2 NaNO3 = 2 KNO3 + 2 NaSO3 + H2
SCN + O2 + H2O = SO4 + CO2 + NH4 =>
SCN + 2 O2 + 2 H2O = SO4 + CO2 + NH4
Cu + KOH + H2O = KCuO2 + H2 =>
2 Cu + 2 KOH + 2 H2O = 2 KCuO2 + 3 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
S + O2 + H2O = H2SO4 =>
2 S + 3 O2 + 2 H2O = 2 H2SO4
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2 =>
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2
Cr(NO3)2 + Pb(SO4)2 = Cr(SO4)2 + Pb(NO3)2 =>
Cr(NO3)2 + Pb(SO4)2 = Cr(SO4)2 + Pb(NO3)2
CH3COOH + Na2CO3 = CH3Na + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3Na + H2O + 3 CO2
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
Fe + Cr(NO3) = Fe(NO3)2 + Cr =>
Fe + 2 Cr(NO3) = Fe(NO3)2 + 2 Cr
[]Na2O2 + []H2SO4 = []Na2SO4 + []H2O2 =>
[]Na2O2 + []H2SO4 = []Na2SO4 + []H2O2
BiO5 + HCl = BiCl3 + Cl2 + H2O =>
2 BiO5 + 20 HCl = 2 BiCl3 + 7 Cl2 + 10 H2O
ZnSO4 + Na2S = Na2SO4 + Zn + S =>
ZnSO4 + Na2S = Na2SO4 + Zn + S
AgNO3(aq) + NH4OH(aq) = AgOH + NH4NO3 =>
AgNO3(aq) + NH4OH(aq) = AgOH + NH4NO3
Mg3P2 + NaCl = MgCl2 + Na3P =>
Mg3P2 + 6 NaCl = 3 MgCl2 + 2 Na3P
Na4(s) + H2O(l) = NaOH(aq) + H2(g) =>
Na4(s) + 4 H2O(l) = 4 NaOH(aq) + 2 H2(g)
Fe(cr) + H2O(l) = Fe2O3(cr) + H2(g) =>
2 Fe(cr) + 3 H2O(l) = Fe2O3(cr) + 3 H2(g)
K2SO3 + H2SO4 = SO2 + H2O + KSO4 =>
K2SO3 + 3 H2SO4 = 2 SO2 + 3 H2O + 2 KSO4
SbS4 + H2O = Sb2S5 + H2S + O =>
2 SbS4 + 3 H2O = Sb2S5 + 3 H2S + 3 O
NO3{-} + Fe2S3 + H{+} = Fe{+3} + SO4{2-} + NO + H2O =>
8 NO3{-} + Fe2S3 + 8 H{+} = 2 Fe{+3} + 3 SO4{2-} + 8 NO + 4 H2O
HNO3 + Sb = (Sb2)O5 + NO2 + (H2)O =>
10 HNO3 + 2 Sb = (Sb2)O5 + 10 NO2 + 5(H2)O
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