| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
K2CrO7 + CrCl2 + HCl = KCl + CrCl3 + H2O =>
K2CrO7 + 9 CrCl2 + 14 HCl = 2 KCl + 10 CrCl3 + 7 H2O
HNO3 + Ag = AgNO3 + NO2 + H2O =>
2 HNO3 + Ag = AgNO3 + NO2 + H2O
SiO2 + B = Si + B2O3 =>
3 SiO2 + 4 B = 3 Si + 2 B2O3
H2 + OH = H2O =>
H2 + 2 OH = 2 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
ClO2 + H2O = HClO3 + HCl =>
6 ClO2 + 3 H2O = 5 HClO3 + HCl
CuS + HNO3 = Cu(NO3)2 + NO2 + S8 + H2O =>
8 CuS + 32 HNO3 = 8 Cu(NO3)2 + 16 NO2 + S8 + 16 H2O
Na2SO3 + K2CrO7 + H2O = Cr(OH)3 + KOH + Na2SO4 =>
9 Na2SO3 + 2 K2CrO7 + 5 H2O = 2 Cr(OH)3 + 4 KOH + 9 Na2SO4
CH4O + H2SO4 + K2Cr2O7 = CH2O2 + K2SO4 + Cr2(SO4) + H2O =>
5 CH4O + 4 H2SO4 + 2 K2Cr2O7 = 5 CH2O2 + 2 K2SO4 + 2 Cr2(SO4) + 9 H2O
CH3CH2OH + O3 = CO2 + H2O =>
CH3CH2OH + 2 O3 = 2 CO2 + 3 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Na2SO3 + K2Cr2O7 + H2O = Cr(OH)3 + KOH + Na2SO4 =>
3 Na2SO3 + K2Cr2O7 + 4 H2O = 2 Cr(OH)3 + 2 KOH + 3 Na2SO4
NaNO2(s) + O2(g) = NaNO3(s) =>
2 NaNO2(s) + O2(g) = 2 NaNO3(s)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NO + H2 = N2 + H2O =>
2 NO + 2 H2 = N2 + 2 H2O
Fe2O3 + C = CO2 + Fe =>
2 Fe2O3 + 3 C = 3 CO2 + 4 Fe
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NO2 + H2O + O2 = HNO3 =>
4 NO2 + 2 H2O + O2 = 4 HNO3
CAH2 + H2O = CA(OH)2 + H2 =>
CAH2 + 2 H2O = CA(OH)2 + 2 H2
K + I2 = KI =>
2 K + I2 = 2 KI
Ca(s) + F2(g) = CaF2(s) =>
Ca(s) + F2(g) = CaF2(s)
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeO + H2PO4 = FePO4 + H2O =>
FeO + H2PO4 = FePO4 + H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CH3COC2H5NH + NaOH = CH3COONa + C2H5NH2 =>
CH3COC2H5NH + NaOH = CH3COONa + C2H5NH2
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
BAO + NAOH = BAOH + NAO =>
BAO + NAOH = BAOH + NAO
CuCl2 + Zn = ZnCl2 + Cu =>
CuCl2 + Zn = ZnCl2 + Cu
NaBr + AgNO3 = AgBr + NaNO3 =>
NaBr + AgNO3 = AgBr + NaNO3
Fe + O4 = FeO =>
4 Fe + O4 = 4 FeO
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cu2O + O2 + HCl = CuCl2 + H2O =>
2 Cu2O + O2 + 8 HCl = 4 CuCl2 + 4 H2O
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Al3 + S2 = Al3S2 =>
Al3 + S2 = Al3S2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NiCl2 + NaBH4 + H2O = Ni2B + H2BO3 + NaCl + H2 =>
2 NiCl2 + 4 NaBH4 + 9 H2O = Ni2B + 3 H2BO3 + 4 NaCl + 14 H2
KOH + H3PO4 = K2HPO4 + H2O =>
2 KOH + H3PO4 = K2HPO4 + 2 H2O
MnS2 + FeCr2O7 = Mn(Cr2O7)2 + FeS =>
MnS2 + 2 FeCr2O7 = Mn(Cr2O7)2 + 2 FeS
NaSiO3 + H2O = HSiO3 + NaOH =>
NaSiO3 + H2O = HSiO3 + NaOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuSO4 + NaCl + SO2 + H2O = CuCl + NaHSO4 + H2SO4 =>
2 CuSO4 + 2 NaCl + SO2 + 2 H2O = 2 CuCl + 2 NaHSO4 + H2SO4
Hg2(C2H3O2)2(aq) + KCl(aq) = Hg2Cl2(s) + KC2H3O2(aq) =>
Hg2(C2H3O2)2(aq) + 2 KCl(aq) = Hg2Cl2(s) + 2 KC2H3O2(aq)
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/05/18
Équations équilibrées sur03/07/17
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