| Équations équilibrées la veille |
3 NaOH + C6H8O7 = 3 H2O + C6H5O7Na3
C6H10 = C9H12 + H2 =>
3 C6H10 = 2 C9H12 + 3 H2
Cr2O3 + K2SO4 = Cr2(SO4)3 + Cr + K2Cr2O7 =>
7 Cr2O3 + 3 K2SO4 = Cr2(SO4)3 + 6 Cr + 3 K2Cr2O7
N2 + O2 = N(O2) =>
N2 + 2 O2 = 2 N(O2)
Fe + H(OH) = Fe(OH)3 + H2 =>
2 Fe + 6 H(OH) = 2 Fe(OH)3 + 3 H2
AgCl + NH4OH = [Ag(NH3)2]Cl + H2O =>
AgCl + 2 NH4OH = [Ag(NH3)2]Cl + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
ZnS + H2O = H2ZnSO =>
ZnS + H2O = H2ZnSO
NH4ClO4 + NaOH = NaClO4 + NH3 + H2O =>
NH4ClO4 + NaOH = NaClO4 + NH3 + H2O
CH3Cl + HBr = HCl + CH3Br =>
CH3Cl + HBr = HCl + CH3Br
C6H6(l) + O2(g) = CO2(g) + H2O(l) =>
2 C6H6(l) + 15 O2(g) = 12 CO2(g) + 6 H2O(l)
Al(Br2)3 + Cl = Al(Cl)3 + Br2 =>
Al(Br2)3 + 3 Cl = Al(Cl)3 + 3 Br2
BiCl3 + HNO3 = Bi(NO3)5 + NO + HCl + H2O =>
3 BiCl3 + 17 HNO3 = 3 Bi(NO3)5 + 2 NO + 9 HCl + 4 H2O
Cr2O3 + K2SO3 = Cr2(SO4)3 + Cr + K2Cr2O7 =>
8 Cr2O3 + 3 K2SO3 = Cr2(SO4)3 + 8 Cr + 3 K2Cr2O7
PCl3 + Br2 + H2O = HBr + H3PO4 + HCl =>
PCl3 + Br2 + 4 H2O = 2 HBr + H3PO4 + 3 HCl
CS2(s) + O2(g) = SO2 + CO2 =>
CS2(s) + 3 O2(g) = 2 SO2 + CO2
C2H5N2 + O2 = N2 + H2O + CO2 =>
4 C2H5N2 + 13 O2 = 4 N2 + 10 H2O + 8 CO2
RbF + Cu(SO4)2 = CuF2 + Rb(SO4) =>
2 RbF + Cu(SO4)2 = CuF2 + 2 Rb(SO4)
Br2 + CCl4 = Br4C + Cl2 =>
2 Br2 + CCl4 = Br4C + 2 Cl2
Al2S3(aq) + H2O(l) = Al(OH)3(s) + H2S(s) =>
Al2S3(aq) + 6 H2O(l) = 2 Al(OH)3(s) + 3 H2S(s)
Cr2O3 + K2SO3 = Cr2(SO4)3 + Cr + K2Cr2O7 =>
8 Cr2O3 + 3 K2SO3 = Cr2(SO4)3 + 8 Cr + 3 K2Cr2O7
C + S2 = CS6 =>
C + 3 S2 = CS6
Fe(Cl)2 + K2CO3 = FeCO3 + KCl =>
Fe(Cl)2 + K2CO3 = FeCO3 + 2 KCl
NH4Br + CaCO3 = NH4(CO3) + CaBr =>
NH4Br + CaCO3 = NH4(CO3) + CaBr
CrO3 + SO2 = Cr2O3 + SO3 =>
2 CrO3 + 3 SO2 = Cr2O3 + 3 SO3
H3PO3 + CaCO3 = Ca(H2PO3)2 + H2O + CO2 =>
2 H3PO3 + CaCO3 = Ca(H2PO3)2 + H2O + CO2
FeSO4 + MgOH = FeOH + MgSO4 =>
FeSO4 + MgOH = FeOH + MgSO4
Br2 + Ba(OH)2 + H2O = Ba(BrO3)2 + HBr =>
6 Br2 + Ba(OH)2 + 4 H2O = Ba(BrO3)2 + 10 HBr
Fe2S3 + H2SO4 = FeSO4 + S + H2S =>
Fe2S3 + 2 H2SO4 = 2 FeSO4 + S + 2 H2S
PBr3 + CaCr2O7 + H3PO4 = Br + CrPO4 + Ca3(PO4)2 + H2O =>
18 PBr3 + 15 CaCr2O7 + 22 H3PO4 = 54 Br + 30 CrPO4 + 5 Ca3(PO4)2 + 33 H2O
Br2 + NaCl = BrCl + NaBr =>
Br2 + NaCl = BrCl + NaBr
KCl + H2O + Ni = NiCl2 + KOH + H2 =>
2 KCl + 2 H2O + Ni = NiCl2 + 2 KOH + H2
NaOH + CH2ClCOOH + HCl = CH2ClCOONa + H3O + Cl =>
NaOH + CH2ClCOOH + HCl = CH2ClCOONa + H3O + Cl
C3H6 + O2 = C2H6 + CO2 =>
C3H6 + O2 = C2H6 + CO2
C10H15N = C + H14 + N =>
14 C10H15N = 140 C + 15 H14 + 14 N
PCl3 + Br2 + H2O = HBr + H3PO4 + HCl =>
PCl3 + Br2 + 4 H2O = 2 HBr + H3PO4 + 3 HCl
Sn + KOH + H2O = K2(Sn(OH)6) + H2 =>
Sn + 2 KOH + 4 H2O = K2(Sn(OH)6) + 2 H2
BaCl2 + Mg3N2 = Ba3N2 + MgCl2 =>
3 BaCl2 + Mg3N2 = Ba3N2 + 3 MgCl2
C4H9COOH + O2 = C + H2O =>
2 C4H9COOH + 3 O2 = 10 C + 10 H2O
*1Pt + HCl + NaClO3 = H2O + H2PtCl6 + NaCl =>
3*1Pt + 18 HCl + 2 NaClO3 = 6 H2O + 3 H2PtCl6 + 2 NaCl
K + CO3 = K2CO3 =>
2 K + CO3 = K2CO3
Pb(OH)4 + H2S = Pb2S4 + H2O =>
2 Pb(OH)4 + 4 H2S = Pb2S4 + 8 H2O
Se3Cl6 + O2 = SeO2 + Cl2 =>
Se3Cl6 + 3 O2 = 3 SeO2 + 3 Cl2
FeS + O2 = Fe3O4 + SO3 =>
6 FeS + 13 O2 = 2 Fe3O4 + 6 SO3
Sr(NO3)2 + LiSO4 = LiSr + (NO3)2SO4 =>
Sr(NO3)2 + LiSO4 = LiSr + (NO3)2SO4
CaCl2 + Cs3PO4 = Cl2PO4 + Cs3Ca =>
CaCl2 + Cs3PO4 = Cl2PO4 + Cs3Ca
C3H4O4 + C2H6O = C7H12O2 + H2O =>
3 C3H4O4 + 13 C2H6O = 5 C7H12O2 + 15 H2O
SiO2 + HF = HFSiF4 + H2O =>
SiO2 + 5 HF = HFSiF4 + 2 H2O
C2H5OH(l) + O2(g) = CO2(g) + H2O(l) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
HNO3 + Zn = H2O + NO2 + Zn(NO3)2 =>
4 HNO3 + Zn = 2 H2O + 2 NO2 + Zn(NO3)2
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