| Équations équilibrées la veille |
3 CaCO3 + 2 AlF3 = 3 CaF2 + Al2(CO3)3
NaCl(aq) + CaO(aq) = CaCl2(aq) + Na2O(aq) =>
2 NaCl(aq) + CaO(aq) = CaCl2(aq) + Na2O(aq)
Cu(s) + H2SO4 = CuSO4(aq) + SO2 + H2O =>
Cu(s) + 2 H2SO4 = CuSO4(aq) + SO2 + 2 H2O
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
CuSO4 + Fe + H2O = Cu + FeSO4*7H2O =>
CuSO4 + Fe + 7 H2O = Cu + FeSO4*7H2O
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Na2CO3 + C2H4O2 = C2H3O2Na + H2O + CO2 =>
Na2CO3 + 2 C2H4O2 = 2 C2H3O2Na + H2O + CO2
CH3COONa + AgNO3 = CHCOONa + AgNO2 + H2O =>
CH3COONa + AgNO3 = CHCOONa + AgNO2 + H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
CH3OH = CH3OCH3 + H2O =>
2 CH3OH = CH3OCH3 + H2O
C8H8O + O2 = CO2 + H2O =>
2 C8H8O + 19 O2 = 16 CO2 + 8 H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Co(OH)2(s) + HCl(aq) = CoCl2(aq) + H2O =>
Co(OH)2(s) + 2 HCl(aq) = CoCl2(aq) + 2 H2O
CH3CH2OH + OH = CH3CH2O + H2O =>
CH3CH2OH + OH = CH3CH2O + H2O
CaCl2 + NH3 = Ca + N3 + HCl =>
9 CaCl2 + 6 NH3 = 9 Ca + 2 N3 + 18 HCl
MgCl2 + Ca = CaCl + Mg2 =>
2 MgCl2 + 4 Ca = 4 CaCl + Mg2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Cu(s) + HNO3(l) = Cu(NO3)2(s) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(l) = 3 Cu(NO3)2(s) + 2 NO(g) + 4 H2O(l)
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
NaH2PO2 + AgNO3 + H2O = NaH2PO4 + Ag + HNO3 =>
NaH2PO2 + 4 AgNO3 + 2 H2O = NaH2PO4 + 4 Ag + 4 HNO3
MnSO4H2O + NaOH + NaClO3 = MnO2 + Na2SO4 + NaCl + H2O =>
3 MnSO4H2O + 6 NaOH + NaClO3 = 3 MnO2 + 3 Na2SO4 + NaCl + 6 H2O
HNO3 + Hg2 + C2H5(OH) = Hg(CNO)2 + H2 + O =>
4 HNO3 + Hg2 + 2 C2H5(OH) = 2 Hg(CNO)2 + 8 H2 + 10 O
Ng + FeCl3 = Fe + NgCl2 =>
3 Ng + 2 FeCl3 = 2 Fe + 3 NgCl2
NaIO3 + Na2S + HCl = NaI + S + NaCl + H2O =>
NaIO3 + 3 Na2S + 6 HCl = NaI + 3 S + 6 NaCl + 3 H2O
S8 = S =>
S8 = 8 S
KH2CO3 + HCl = HH2CO3 + KCl =>
KH2CO3 + HCl = HH2CO3 + KCl
COO = CO2 =>
COO = CO2
K2Cr2O7 + H2SO4 + B6H10 = H2O + H3BO3 + K2SO4 + Cr2SO4 =>
14 K2Cr2O7 + 28 H2SO4 + 5 B6H10 = 8 H2O + 30 H3BO3 + 14 K2SO4 + 14 Cr2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Zn(s) + N2(l) = Zn3N2(s) =>
3 Zn(s) + N2(l) = Zn3N2(s)
ZnCO3 + H = Zn + CO2 + H2O =>
ZnCO3 + 2 H = Zn + CO2 + H2O
Cr(OH)3 + SO2 = Cr2(SO4)3 + H2 =>
2 Cr(OH)3 + 3 SO2 = Cr2(SO4)3 + 3 H2
Fe2O3 + C = CO2 + Fe4 =>
2 Fe2O3 + 3 C = 3 CO2 + Fe4
SbO3 + C = Sb3 + CO =>
3 SbO3 + 9 C = Sb3 + 9 CO
NaF + O2 = NaFO =>
2 NaF + O2 = 2 NaFO
H4 + O2 = H2O =>
H4 + O2 = 2 H2O
HS + H2O = H2S + OH =>
HS + H2O = H2S + OH
SiC + HF = SiF4 + C + H2 =>
SiC + 4 HF = SiF4 + C + 2 H2
HCl + MgCO3 = MgCl2(s) + H2CO3 =>
2 HCl + MgCO3 = MgCl2(s) + H2CO3
C6H5CHO + Cu(OH)2 = C6H5COOH + Cu2O + H2O =>
C6H5CHO + 2 Cu(OH)2 = C6H5COOH + Cu2O + 2 H2O
MgO + NO = MgNO2 =>
MgO + NO = MgNO2
KHC4H4O6(S) + NaHCO3 = KNaC4H4O6(S) + H2O(i) + CO2(g) =>
KHC4H4O6(S) + NaHCO3 = KNaC4H4O6(S) + H2O(i) + CO2(g)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CO2 + Ba(OH)2 = Ba(HCO3)2 =>
2 CO2 + Ba(OH)2 = Ba(HCO3)2
KMnO3 + (COOH)2 + H2SO4 = MnSO4 + CO2 + H2O + KHSO4 =>
2 KMnO3 + 3(COOH)2 + 4 H2SO4 = 2 MnSO4 + 6 CO2 + 6 H2O + 2 KHSO4
HgO = Hg3 + O2 =>
6 HgO = 2 Hg3 + 3 O2
Mn2(HPO4)3 + NaCl = MnCl3 + Na2HPO4 =>
Mn2(HPO4)3 + 6 NaCl = 2 MnCl3 + 3 Na2HPO4
FeBr3 + NH3 + H2O = NH4Br + Fe(OH)3 =>
FeBr3 + 3 NH3 + 3 H2O = 3 NH4Br + Fe(OH)3
C3H4 + KMnO4 + H2SO4 = H2C2O4 + K2SO4 + MnSO4 + H2O =>
10 C3H4 + 26 KMnO4 + 39 H2SO4 = 15 H2C2O4 + 13 K2SO4 + 26 MnSO4 + 44 H2O
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