| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 NH2CONH2 + 3 NH4NO3 = 2(NH2)2NH*HNO3 + 4 NH3 + 3 CO2
CO(NH2)2 + BrO{-} = N2 + CO2 + H2O + Br{-} =>
CO(NH2)2 + 3 BrO{-} = N2 + CO2 + 2 H2O + 3 Br{-}
Fe2(SO4)3 + NaHS = S + FeSO4 + Na2SO4 + H2O =>
5 Fe2(SO4)3 + 8 NaHS = 9 S + 10 FeSO4 + 4 Na2SO4 + 4 H2O
MnSO4 + NaOH = Mn(OH)2 + Na2SO4 =>
MnSO4 + 2 NaOH = Mn(OH)2 + Na2SO4
CH3CH2CH2CHO + K2Cr2O7 + H2SO4 = CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
9 CH3CH2CH2CHO + 5 K2Cr2O7 + 20 H2SO4 = 12 CH3CH2COOH + 5 K2SO4 + 5 Cr2(SO4)3 + 20 H2O
C2H2 + Br2 = C2H2Br2 =>
C2H2 + Br2 = C2H2Br2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
CuSO4*5H2O + NaCl + NaHSO3 + NaOH = CuCl + Na2SO4 + H2O =>
2 CuSO4*5H2O + 2 NaCl + NaHSO3 + 3 NaOH = 2 CuCl + 3 Na2SO4 + 12 H2O
Ba3(PO4)2(s) + H{+} = Ba{2+} + H3PO4(aq) =>
Ba3(PO4)2(s) + 6 H{+} = 3 Ba{2+} + 2 H3PO4(aq)
K2I2 = KI =>
K2I2 = 2 KI
K1Mn1O4 = K2Mn1O4 + MnO2 + O2 =>
2 K1Mn1O4 = K2Mn1O4 + MnO2 + O2
(NH4)Cl + Ca(OH)2 = (NH4)(OH) + CaCl2 =>
2(NH4)Cl + Ca(OH)2 = 2(NH4)(OH) + CaCl2
NaBr(s) = Na + Br =>
NaBr(s) = Na + Br
CO3{2-} + H3O{+} = CO2 + H2O =>
CO3{2-} + 2 H3O{+} = CO2 + 3 H2O
SnO2 + H2O + OH{-} = [Sn(OH)6]{2-} =>
SnO2 + 2 H2O + 2 OH{-} = [Sn(OH)6]{2-}
H2SO4 + CuHCO3 = Cu2SO4 + H2O + CO2 =>
H2SO4 + 2 CuHCO3 = Cu2SO4 + 2 H2O + 2 CO2
HC2H3O2(aq) + CaCO3(s) = Ca(C2H3O2)2 + H2O + CO2 =>
2 HC2H3O2(aq) + CaCO3(s) = Ca(C2H3O2)2 + H2O + CO2
Au + HNO3 = NH4NO3 + H2O + AuNO3 =>
8 Au + 10 HNO3 = NH4NO3 + 3 H2O + 8 AuNO3
Na2MnO4 + HCl = NaCl + MnCl2 + Cl2 + H2O =>
Na2MnO4 + 8 HCl = 2 NaCl + MnCl2 + 2 Cl2 + 4 H2O
H3BO3 + Ba(OH)2 = (Ba(OH))2HBO3 + H2O =>
H3BO3 + 2 Ba(OH)2 = (Ba(OH))2HBO3 + 2 H2O
N2O + CO = N2 + CO2 =>
N2O + CO = N2 + CO2
(NH4)2SO4 + NH4OH = (NH4)2 + OHSO4 =>
2(NH4)2SO4 + 2 NH4OH = 3(NH4)2 + 2 OHSO4
C12H30 + O2 = CH4 + CO2 =>
2 C12H30 + 9 O2 = 15 CH4 + 9 CO2
FeS + H{+} = H2S + Fe{2+} =>
FeS + 2 H{+} = H2S + Fe{2+}
KOH + Na2B4O7 = K2B4O7 + NaOH =>
2 KOH + Na2B4O7 = K2B4O7 + 2 NaOH
Fr(MnO4) + HBr = MnBr3 + FrBr + H2O + Br2 =>
Fr(MnO4) + 8 HBr = MnBr3 + FrBr + 4 H2O + 2 Br2
KMnO4 + MgI2 + H2O = MnO2 + I2 + Mg(OH)2 + KI =>
2 KMnO4 + 4 MgI2 + 4 H2O = 2 MnO2 + 3 I2 + 4 Mg(OH)2 + 2 KI
Ba + TiS4 = Ti + BaS =>
4 Ba + TiS4 = Ti + 4 BaS
H2PtCl6 + HCHO + NaOH = Pt + NaCl + CH2O2 + H2O =>
H2PtCl6 + 2 HCHO + 6 NaOH = Pt + 6 NaCl + 2 CH2O2 + 4 H2O
Na2O + H3PO4 = H2O + Na3PO4 =>
3 Na2O + 2 H3PO4 = 3 H2O + 2 Na3PO4
Na2CO3(aq) + H2SO4(aq) = Na2SO4 + CO2 + H2O =>
Na2CO3(aq) + H2SO4(aq) = Na2SO4 + CO2 + H2O
NBI3(cr) + I2(cr) = NBI5(cr) =>
NBI3(cr) + I2(cr) = NBI5(cr)
Fe + HCo4 = FeCo4 + H =>
Fe + HCo4 = FeCo4 + H
Sr(NO3)2 + Na2SO3 = NaNO3 + SrSO3 =>
Sr(NO3)2 + Na2SO3 = 2 NaNO3 + SrSO3
AgNO3 + AlCl3 = Al(NO3)3 + AgCl =>
3 AgNO3 + AlCl3 = Al(NO3)3 + 3 AgCl
Fe + HCo4 = FeCo4 + H =>
Fe + HCo4 = FeCo4 + H
Ba(OH)2 = BaO + H2O =>
Ba(OH)2 = BaO + H2O
NaF + BeO = BeF2 + Na2O =>
2 NaF + BeO = BeF2 + Na2O
Mg + H2SO4(k) = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4(k) = 4 MgSO4 + H2S + 4 H2O
C3H8O3 = CH4 + CO2 + H2O =>
4 C3H8O3 = 7 CH4 + 5 CO2 + 2 H2O
NaSO4 + LiOH = LiSO4 + NaOH =>
NaSO4 + LiOH = LiSO4 + NaOH
MgO + N2 = Mg + NO =>
2 MgO + N2 = 2 Mg + 2 NO
NaOH + AgCH3COO = CH3COONa + AgOH =>
NaOH + AgCH3COO = CH3COONa + AgOH
S2 + H = H2S =>
S2 + 4 H = 2 H2S
K2Cr2O4 + FeSO4 + H2SO4 = Fe2(SO4)3 + CrSO4 + K2SO4 + H2O =>
K2Cr2O4 + 2 FeSO4 + 4 H2SO4 = Fe2(SO4)3 + 2 CrSO4 + K2SO4 + 4 H2O
CH3CH2CH2OH + KMnO4 + KOH = CH3CH2COOK + K2MnO4 + H2O =>
CH3CH2CH2OH + 4 KMnO4 + 5 KOH = CH3CH2COOK + 4 K2MnO4 + 4 H2O
Cd = Cd{2+} + e =>
Cd = Cd{2+} + 2e
Fe(CNS)3 + KMnO4 + HCl = FeCl3 + KCl + MnCl2 + CO2 + SO2 + NO + H2O =>
5 Fe(CNS)3 + 33 KMnO4 + 114 HCl = 5 FeCl3 + 33 KCl + 33 MnCl2 + 15 CO2 + 15 SO2 + 15 NO + 57 H2O
K3N + HCl = KCl + H3N =>
K3N + 3 HCl = 3 KCl + H3N
K2FeO4 + H2O = FeOOH + KOH + O2 =>
4 K2FeO4 + 6 H2O = 4 FeOOH + 8 KOH + 3 O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/23/24
Équations équilibrées sur12/23/23
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