| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaHCO3 = Na2CO3 + CO2 + H2O
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Rb + Cl2 = RbCl =>
2 Rb + Cl2 = 2 RbCl
C2H4 + KMnO4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 KOH
H2 + S = H2S =>
H2 + S = H2S
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
PbCl2(aq) + K2SO4(aq) = PbSO4(s) + KCl(aq) =>
PbCl2(aq) + K2SO4(aq) = PbSO4(s) + 2 KCl(aq)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HBr + Cl2 = HCl + Br2 =>
2 HBr + Cl2 = 2 HCl + Br2
NaI + Br2 + H2O = NaIO3 + HBr =>
NaI + 3 Br2 + 3 H2O = NaIO3 + 6 HBr
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
FeCl3 + Ca3(BO3)2 = FeBO3 + CaCl2 =>
2 FeCl3 + Ca3(BO3)2 = 2 FeBO3 + 3 CaCl2
Au(OH)3 + H2SO4 = Au2(SO4)3 + H2O =>
2 Au(OH)3 + 3 H2SO4 = Au2(SO4)3 + 6 H2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P4 =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + 10 CO + P4
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
CH4 + H2S = CS2 + H2 =>
CH4 + 2 H2S = CS2 + 4 H2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
AgNO3 + K2SO4 = Ag2SO4 + KNO3 =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
NaNO3 + H2SO4 = HNO3 + NaHSO4 =>
NaNO3 + H2SO4 = HNO3 + NaHSO4
H2C2O4 + KOH = K2C2O4 + H2O =>
H2C2O4 + 2 KOH = K2C2O4 + 2 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C2H5OH(l) + O2(g) = CO2(g) + H2O(l) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
COF2 = CO2 + CF4 =>
2 COF2 = CO2 + CF4
K + H2O = KOH + H =>
K + H2O = KOH + H
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
Al(OH)3 + KOH = K[Al(OH)4] =>
Al(OH)3 + KOH = K[Al(OH)4]
Mg + Se2 = MgSe =>
2 Mg + Se2 = 2 MgSe
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/08/21
Équations équilibrées sur03/10/20
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