| Équations équilibrées la veille |
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
HCOOH + K = HCOOK + H2 =>
2 HCOOH + 2 K = 2 HCOOK + H2
NaBH4 + H2SO4 = B2H6 + H2 + Na2SO4 =>
2 NaBH4 + H2SO4 = B2H6 + 2 H2 + Na2SO4
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
FeCl3(aq) + KSCN(aq) = Fe(SCN)3(aq) + KCl(aq) =>
FeCl3(aq) + 3 KSCN(aq) = Fe(SCN)3(aq) + 3 KCl(aq)
C2H2O3 + C2H8N2 + C6H6O4S + NaOH + FeCl3 = C18H16N2O6NaFe + NaCl + H2O + Na2SO4 =>
2 C2H2O3 + C2H8N2 + 2 C6H6O4S + 8 NaOH + FeCl3 = C18H16N2O6NaFe + 3 NaCl + 8 H2O + 2 Na2SO4
C10H26N4 + O2 = CO2 + HNO3 + H2O =>
2 C10H26N4 + 43 O2 = 20 CO2 + 8 HNO3 + 22 H2O
Zn + AgNO3 = Zn(NO3)2(aq) + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2(aq) + 2 Ag
CuH + H2O = CuOH + H2 =>
CuH + H2O = CuOH + H2
FeS + H2NO3 = Fe(NO3)3 + H2SO4 + N2O + H2O =>
FeS + 7 H2NO3 = Fe(NO3)3 + H2SO4 + 2 N2O + 6 H2O
Mg{2+} + I{-} = I2 + Mg =>
Mg{2+} + 2 I{-} = I2 + Mg
KMnO7 + Fe + HCl = FeCl2 + MnCl2 + KCl + H2O =>
2 KMnO7 + 11 Fe + 28 HCl = 11 FeCl2 + 2 MnCl2 + 2 KCl + 14 H2O
CH3C6H3(NH2)2 + CoBr2 + HBr = CH3C6H3(NH2)2CoBr4 + H2 =>
CH3C6H3(NH2)2 + CoBr2 + 2 HBr = CH3C6H3(NH2)2CoBr4 + H2
KReO4 + NH2OH + H2SO4 = ReO2 + N2 + H2O + K2SO4 =>
2 KReO4 + 6 NH2OH + H2SO4 = 2 ReO2 + 3 N2 + 10 H2O + K2SO4
CH3O = CO + H2 =>
2 CH3O = 2 CO + 3 H2
Ba(HCO3)2 + LiOH = Li2CO3 + BaCO3 + H2O =>
Ba(HCO3)2 + 2 LiOH = Li2CO3 + BaCO3 + 2 H2O
H2SO3 + ZnO = ZnSO4 + H2 =>
H2SO3 + ZnO = ZnSO4 + H2
Ni(OH)2 + H = Ni + H2O =>
Ni(OH)2 + 2 H = Ni + 2 H2O
CaCO3(s) + H2SO4(aq) = CaSO4(s) + H2O(l) + CO2(g) =>
CaCO3(s) + H2SO4(aq) = CaSO4(s) + H2O(l) + CO2(g)
Al(OH)2 = Al + O2 + H2O =>
2 Al(OH)2 = 2 Al + O2 + 2 H2O
H2O + Mn{3+} = Mn{2+} + MnO2 + H{+} =>
2 H2O + 2 Mn{3+} = Mn{2+} + MnO2 + 4 H{+}
Cd(NO3)2 + NH4F = CdF2 + NH4NO3 =>
Cd(NO3)2 + 2 NH4F = CdF2 + 2 NH4NO3
SO2 + KMnO4 + KOH = H2O + K2SO4 + MnSO4 =>
5 SO2 + 2 KMnO4 + 4 KOH = 2 H2O + 3 K2SO4 + 2 MnSO4
Li3(PO4) + Mg(OH)2 = Li(OH) + Mg3(PO4)2 =>
2 Li3(PO4) + 3 Mg(OH)2 = 6 Li(OH) + Mg3(PO4)2
COONaCOONa + K2Cr2O7 + H2SO4 = Na2SO4 + K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
3 COONaCOONa + K2Cr2O7 + 7 H2SO4 = 3 Na2SO4 + K2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
LiHCO3(s) = Li2CO3(s) + H2O(g) + CO2(g) =>
2 LiHCO3(s) = Li2CO3(s) + H2O(g) + CO2(g)
HCl + H2NO3 = H3NO3Cl =>
HCl + H2NO3 = H3NO3Cl
NaHCO3(s) + CH3COOH(aq) = CH3COONa(ag) + CO2(g) + H2O(l) =>
NaHCO3(s) + CH3COOH(aq) = CH3COONa(ag) + CO2(g) + H2O(l)
Na2SO4 + HCl = NaCl + SO3 + H2O =>
Na2SO4 + 2 HCl = 2 NaCl + SO3 + H2O
Cr2O7{2-} + H2S + H{+} = Cr{3+} + S + H2O =>
Cr2O7{2-} + 3 H2S + 8 H{+} = 2 Cr{3+} + 3 S + 7 H2O
Ca(ClO)2 = Cl2 + CaO2 =>
Ca(ClO)2 = Cl2 + CaO2
HCl + N2O5 = N2Cl10 + H2O =>
10 HCl + N2O5 = N2Cl10 + 5 H2O
NH4C2H3O2 + FeCl3 = NH4Cl + Fe(C2H3O2)3 =>
3 NH4C2H3O2 + FeCl3 = 3 NH4Cl + Fe(C2H3O2)3
Na2SO3 + HCe = NaCe + H2SO3 =>
Na2SO3 + 2 HCe = 2 NaCe + H2SO3
K2C2O4 + CrPO4 = K2PO4 + CrC2O4 =>
K2C2O4 + CrPO4 = K2PO4 + CrC2O4
CuBr2 + NaOH = Cu(OH)2 + NaBr =>
CuBr2 + 2 NaOH = Cu(OH)2 + 2 NaBr
NaHPO4 + (NH4)2MoO4 + HNO3 = (NH4)3(PMo12O42) + NH4NO3 + NaNO3 + H2O =>
8 NaHPO4 + 96(NH4)2MoO4 + 182 HNO3 = 8(NH4)3(PMo12O42) + 171 NH4NO3 + 8 NaNO3 + 89 H2O
MgSiO3 = Mg + SiO3 =>
MgSiO3 = Mg + SiO3
Cr2O7 + OH = CrH7 + O8 =>
8 Cr2O7 + 112 OH = 16 CrH7 + 21 O8
C6H10O + KMnO4 = C6H8O4K2 + MnO2 + H2O =>
C6H10O + 2 KMnO4 = C6H8O4K2 + 2 MnO2 + H2O
Fe + H2SO4 = Fe2(SO3)3 + H2O =>
2 Fe + 3 H2SO4 = Fe2(SO3)3 + 3 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
HCl{+} + CCN = C{4+} + HCl + N =>
8 HCl{+} + CCN = 2 C{4+} + 8 HCl + N
KBr + Co(NO3)2 = KNO3 + CoBr2 =>
2 KBr + Co(NO3)2 = 2 KNO3 + CoBr2
K2 + O + H2O = KOH =>
K2 + O + H2O = 2 KOH
Fe3C + HNO3 = Fe(NO3)2 + NO2 + CO2 + H2O =>
Fe3C + 16 HNO3 = 3 Fe(NO3)2 + 10 NO2 + CO2 + 8 H2O
Be(NO3)2 + Na2SO4 = BeSO4 + NaNO3 =>
Be(NO3)2 + Na2SO4 = BeSO4 + 2 NaNO3
HOCH2CH2COOH + KMnO4 + H2SO4 = HOOCCH2COOH + MnSO4 + K2SO4 + H2O =>
5 HOCH2CH2COOH + 4 KMnO4 + 6 H2SO4 = 5 HOOCCH2COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
Mg3N2 + H2O = Mg(OH)2 + ammonia =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
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