| Équations équilibrées la veille |
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
K + MgI2 = Mg2 + KI =>
4 K + 2 MgI2 = Mg2 + 4 KI
KO2(s) + CO3(g) = K2CO3(s) + O2(g) =>
2 KO2(s) + CO3(g) = K2CO3(s) + 2 O2(g)
C + CaCl2 = CCl4 + CaC2 =>
5 C + 2 CaCl2 = CCl4 + 2 CaC2
FeCl3 + NaNO3 = Fe(NO3)3 + ClNa =>
FeCl3 + 3 NaNO3 = Fe(NO3)3 + 3 ClNa
PCl5 + H3BO3 = B2O3 + POCl3 + HCl =>
3 PCl5 + 2 H3BO3 = B2O3 + 3 POCl3 + 6 HCl
C3H5(NO3)3 = CO2 + N2 + H2O + O =>
2 C3H5(NO3)3 = 6 CO2 + 3 N2 + 5 H2O + O
NH4NO3 + Cu(OH)2 + NH4OH = [Cu(NH3)4]NO3 + H2O =>
7 NH4NO3 + 8 Cu(OH)2 + 26 NH4OH = 8[Cu(NH3)4]NO3 + 39 H2O
AlCaBr2 = AlBr2Ca =>
AlCaBr2 = AlBr2Ca
C4H6Cl2 + O2 = CCl4 + CO2 + H2O =>
2 C4H6Cl2 + 10 O2 = CCl4 + 7 CO2 + 6 H2O
CH3(CH2)7CHCH(CH2)7COOH + KMnO4 + H2O = CH3(CH2)7CHOHCHOH(CH2)7COOH + MnO2 + KOH =>
3 CH3(CH2)7CHCH(CH2)7COOH + 2 KMnO4 + 4 H2O = 3 CH3(CH2)7CHOHCHOH(CH2)7COOH + 2 MnO2 + 2 KOH
CrO3 + Na2S2O3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
8 CrO3 + 3 Na2S2O3 + 9 H2SO4 = 4 Cr2(SO4)3 + 3 Na2SO4 + 9 H2O
AgI + NaCN = Ag(CN)2 + Na2I =>
AgI + 2 NaCN = Ag(CN)2 + Na2I
CHOOH + O2 = CO2 + H2O =>
2 CHOOH + O2 = 2 CO2 + 2 H2O
Zn + Fe(NO3)3 = Fe + Zn(NO3)2 =>
3 Zn + 2 Fe(NO3)3 = 2 Fe + 3 Zn(NO3)2
HCl + Cu2S = CuCl + H2S =>
2 HCl + Cu2S = 2 CuCl + H2S
CH3COOH + Mo(CO)6 = Mo2(O2CCH3)4 + C4H6O3 + CO2 =>
21 CH3COOH + 4 Mo(CO)6 = 2 Mo2(O2CCH3)4 + 10 C4H6O3 + 10 CO2
Fe(OH)2 + NaBrO + H2O = Fe(OH)3 + NaBr =>
2 Fe(OH)2 + NaBrO + H2O = 2 Fe(OH)3 + NaBr
Mn(s) + CuBr2(aq) = MnBr3(aq) + Cu(s) =>
2 Mn(s) + 3 CuBr2(aq) = 2 MnBr3(aq) + 3 Cu(s)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
C2H6O + Cr2O7{2-} + H{+} = C2H4O2 + Cr{3+} + H2O =>
3 C2H6O + 2 Cr2O7{2-} + 16 H{+} = 3 C2H4O2 + 4 Cr{3+} + 11 H2O
NaIO3 + HCl + KI = H2O + NaCl + KCl + I2 =>
NaIO3 + 6 HCl + 5 KI = 3 H2O + NaCl + 5 KCl + 3 I2
FeCl3 + KBr + H2SO4 = FeSO4 + Br2 + KCl + HCl =>
2 FeCl3 + 2 KBr + 2 H2SO4 = 2 FeSO4 + Br2 + 2 KCl + 4 HCl
NaI + FeCl3 = FeCl2 + I2 + NaCl =>
2 NaI + 2 FeCl3 = 2 FeCl2 + I2 + 2 NaCl
La + Te + S = La2TeS2 =>
2 La + Te + 2 S = La2TeS2
Zn + Po4 = Zn3(Po4)2 =>
3 Zn + 2 Po4 = Zn3(Po4)2
Ni(NO3)2 + NaOH = Ni(OH)2 + NO3Na =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NO3Na
LiOH + MgCl = LiCl + Mg(OH) =>
LiOH + MgCl = LiCl + Mg(OH)
CaI2 + H2SO4 = HI + CaSO4 =>
CaI2 + H2SO4 = 2 HI + CaSO4
CH3CH2NH2 + CH3Br = CH3CH2CH2NH2 + HBr =>
CH3CH2NH2 + CH3Br = CH3CH2CH2NH2 + HBr
Na2SO4 + Cu(NO3)2 = Na(NO3)2 + SO4Cu2 =>
Na2SO4 + 2 Cu(NO3)2 = 2 Na(NO3)2 + SO4Cu2
C10H14N2O4 + H2 = C10H14N2 + H2O =>
C10H14N2O4 + 4 H2 = C10H14N2 + 4 H2O
K2MnO4 + KNO2 + H2SO4 = KNO3 + MnSO4 + K2SO4 + H2O =>
K2MnO4 + 2 KNO2 + 2 H2SO4 = 2 KNO3 + MnSO4 + K2SO4 + 2 H2O
MnCl2 + H2SO4 = MnSO4 + HCl =>
MnCl2 + H2SO4 = MnSO4 + 2 HCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2S2O6(O2) + H2S + H2O = H2SO4 + K2SO4 =>
4 K2S2O6(O2) + H2S + 4 H2O = 5 H2SO4 + 4 K2SO4
Ba + Sn2(CO3)4 = Ba2CO3 + Sn =>
8 Ba + Sn2(CO3)4 = 4 Ba2CO3 + 2 Sn
C2H6(l) + O2(g) = CO2(s) + H2O(l) =>
2 C2H6(l) + 7 O2(g) = 4 CO2(s) + 6 H2O(l)
Cr2O3 + Ca = Cr + CaO =>
Cr2O3 + 3 Ca = 2 Cr + 3 CaO
C4H3FN2O2 + POCl3 = C4HCl2FN2 + H3PO4 =>
3 C4H3FN2O2 + 2 POCl3 = 3 C4HCl2FN2 + 2 H3PO4
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
HBr + Na = NaBr + H2 =>
2 HBr + 2 Na = 2 NaBr + H2
Na2S + O2 + H2O = NaOH + S =>
2 Na2S + O2 + 2 H2O = 4 NaOH + 2 S
Cr2O4 + H2O = Cr(OH)3 + OH =>
Cr2O4 + 4 H2O = 2 Cr(OH)3 + 2 OH
CuOHCl = CuOH + Cl =>
CuOHCl = CuOH + Cl
ZnBr2 + (NH4)2S = NH4Br + ZnS =>
ZnBr2 + (NH4)2S = 2 NH4Br + ZnS
C9H20 + O2 = C9 + H20O2 =>
C9H20 + O2 = C9 + H20O2
N2O3 + H2O = HNO3 + NO =>
3 N2O3 + H2O = 2 HNO3 + 4 NO
Si3N4 + HF = SiF4 + NH3 =>
Si3N4 + 12 HF = 3 SiF4 + 4 NH3
C + O2 + N2 + H2 = CO(NH2)2 =>
2 C + O2 + 2 N2 + 4 H2 = 2 CO(NH2)2
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