| Équations équilibrées la veille | Équations équilibrées le lendemain |
KNO3 + 2 HCl = KNO2 + Cl2 + H2O
Cr(OH)3 + HCl = CrCl3 + H2O =>
Cr(OH)3 + 3 HCl = CrCl3 + 3 H2O
(Na2O)8(SiO2)30(H2O)52 + Ca(OH)2 = CaSiO3 + NaOH + H2O =>
(Na2O)8(SiO2)30(H2O)52 + 30 Ca(OH)2 = 30 CaSiO3 + 16 NaOH + 74 H2O
HCOH + Ag(NH3)2OH = HCOOH + Ag + NH3 + H2O =>
HCOH + 2 Ag(NH3)2OH = HCOOH + 2 Ag + 4 NH3 + H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
H2SO4(aq) + NaOH = Na2SO4 + H2O(l) =>
H2SO4(aq) + 2 NaOH = Na2SO4 + 2 H2O(l)
Na2Cr2O7 + PI3 + HNO3 = NaIO3 + H3PO4 + Cr(NO3)3 + H2O + NaNO3 =>
10 Na2Cr2O7 + 3 PI3 + 71 HNO3 = 9 NaIO3 + 3 H3PO4 + 20 Cr(NO3)3 + 31 H2O + 11 NaNO3
C7H5NO3 + C3H6O + HO{-} = C16H10N2O2 + CH3COO{-} + H2O =>
2 C7H5NO3 + 2 C3H6O + 2 HO{-} = C16H10N2O2 + 2 CH3COO{-} + 4 H2O
Cu(NO3)2 + Ni = Cu + NiNO3 =>
Cu(NO3)2 + 2 Ni = Cu + 2 NiNO3
KCl + AuNO3 = KNO3 + AuCl =>
KCl + AuNO3 = KNO3 + AuCl
(C2H5)2O + O2 = CO2 + H2O =>
(C2H5)2O + 6 O2 = 4 CO2 + 5 H2O
Fe2O3 + NaOH = NaO3 + Fe2OH =>
Fe2O3 + NaOH = NaO3 + Fe2OH
MgCO3 + FePO4 = Mg3(PO4)2 + Fe2(CO3)3 =>
3 MgCO3 + 2 FePO4 = Mg3(PO4)2 + Fe2(CO3)3
Cu2Te + H2SO4 = CuSO4 + TeO2 + SO2 + H2O =>
Cu2Te + 6 H2SO4 = 2 CuSO4 + TeO2 + 4 SO2 + 6 H2O
CrO4{2-} + HCl = Cr2O7{2-} + H2O + Cl{-} =>
2 CrO4{2-} + 2 HCl = Cr2O7{2-} + H2O + 2 Cl{-}
K4Fe(CN)6 + K2MnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
4 K4Fe(CN)6 + 61 K2MnO4 + 205 H2SO4 = 138 KHSO4 + 2 Fe2(SO4)3 + 61 MnSO4 + 24 HNO3 + 24 CO2 + 124 H2O
Cu2 + K4Fe(CN)6 = Cu2Fe(CN)6 + K =>
Cu2 + K4Fe(CN)6 = Cu2Fe(CN)6 + 4 K
NH2CH2COOH + FeCl3 + H2O = ClNH3CH2COOH + Fe(OH)3 =>
3 NH2CH2COOH + FeCl3 + 3 H2O = 3 ClNH3CH2COOH + Fe(OH)3
CoCl2 + H2O2 + NaOH = CoO(OH) + NaCl + H2O =>
2 CoCl2 + H2O2 + 4 NaOH = 2 CoO(OH) + 4 NaCl + 2 H2O
S8 + P4 = S2P4 =>
S8 + 4 P4 = 4 S2P4
CuFeS2 + NaOH = Cu(OH)2 + Fe(OH)2 + Na2S =>
CuFeS2 + 4 NaOH = Cu(OH)2 + Fe(OH)2 + 2 Na2S
CH3CHClCOOH + NaHCO3 = CH3CHClCOONa + CO2 + H2O =>
CH3CHClCOOH + NaHCO3 = CH3CHClCOONa + CO2 + H2O
(NH2)2CO = C3N6H6 + NH3 + CO2 =>
6(NH2)2CO = C3N6H6 + 6 NH3 + 3 CO2
MnO4{-} + H3O{+} + H2S = Mn{+2} + H2O + S =>
2 MnO4{-} + 6 H3O{+} + 5 H2S = 2 Mn{+2} + 14 H2O + 5 S
H2PO4{-} + HCl = H3PO4 + Cl{-} =>
H2PO4{-} + HCl = H3PO4 + Cl{-}
MnO4{-} + NH2OH + H{+} = Mn{+2} + N2 + H2O =>
2 MnO4{-} + 10 NH2OH + 6 H{+} = 2 Mn{+2} + 5 N2 + 18 H2O
C16H36O4Ti + HNO3 + O2 = Ti(NO3)4 + CO2 + H2O =>
C16H36O4Ti + 4 HNO3 + 24 O2 = Ti(NO3)4 + 16 CO2 + 20 H2O
C6H6O2 + FeCl3 = Fe(C6H5O2)3 + HCl =>
3 C6H6O2 + FeCl3 = Fe(C6H5O2)3 + 3 HCl
Mg3P2 + H2O = Mg(OH)2 + H3P =>
Mg3P2 + 6 H2O = 3 Mg(OH)2 + 2 H3P
Br2 + K2S = BrS + K2 =>
Br2 + 2 K2S = 2 BrS + 2 K2
V(CH3COO)3 + Na2Se = NaCH3COO + V2Se3 =>
2 V(CH3COO)3 + 3 Na2Se = 6 NaCH3COO + V2Se3
SO3 + KOH = SO3OH + K =>
SO3 + KOH = SO3OH + K
C10H16 + CI = C + HCI =>
C10H16 + 16 CI = 10 C + 16 HCI
Ca3(PO4)2 + HCl = CaCl2 + H2O + P2O5 =>
Ca3(PO4)2 + 6 HCl = 3 CaCl2 + 3 H2O + P2O5
C3H7O + H2SO4 + KMnO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
10 C3H7O + 3 H2SO4 + 2 KMnO4 = 10 C3H6O + K2SO4 + 2 MnSO4 + 8 H2O
NaNO3 + IK = INa + KNO3 =>
NaNO3 + IK = INa + KNO3
Zn + BaNO3 = ZnNO3 + Ba =>
Zn + BaNO3 = ZnNO3 + Ba
CaCl2 + H2O = Ca(OH)2 + H2 + Cl2 =>
CaCl2 + 2 H2O = Ca(OH)2 + H2 + Cl2
C15H31COOH + Mg(OH)2 = (C15H31COO)2Mg + H2O =>
2 C15H31COOH + Mg(OH)2 = (C15H31COO)2Mg + 2 H2O
La + Fe + Si = LaFeSi =>
La + Fe + Si = LaFeSi
NaOH(aq) + Fe(NO3)3(aq) + KSCN(aq) = Fe(OH)3 + Na(SCN) + K(NO3) =>
3 NaOH(aq) + Fe(NO3)3(aq) + 3 KSCN(aq) = Fe(OH)3 + 3 Na(SCN) + 3 K(NO3)
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
OCl = Cl + O2 =>
2 OCl = 2 Cl + O2
Cu2{+} + I{-} + I2 = CuI =>
2 Cu2{+} + 2 I{-} + I2 = 4 CuI
Os(Fe(CN)6)2 + Ta = (Fe(CN)6)2 + Os5Ta3 =>
5 Os(Fe(CN)6)2 + 3 Ta = 5(Fe(CN)6)2 + Os5Ta3
ZnCl2 + F2 = ZnF2 + Cl2 =>
ZnCl2 + F2 = ZnF2 + Cl2
Mg + HCl + H2O = H2 + MgClO =>
2 Mg + 2 HCl + 2 H2O = 3 H2 + 2 MgClO
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H3PO2 + AgNO3 + H2O = H3PO4 + Ag + HNO3 =>
H3PO2 + 4 AgNO3 + 2 H2O = H3PO4 + 4 Ag + 4 HNO3
Bi + HNO3(st) = Bi(NO3)3 + NO2 + H2O =>
Bi + 6 HNO3(st) = Bi(NO3)3 + 3 NO2 + 3 H2O
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Équations équilibrées sur12/21/24
Équations équilibrées sur01/20/24
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