| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2O + 2 NaOH = 3 H2 + 2 NaO2
KCl + H2SO4 = Cl2 + K2SO4 + H2O + SO2 =>
2 KCl + 2 H2SO4 = Cl2 + K2SO4 + 2 H2O + SO2
CaCO3 + CH3COOH = (CH3COO)Ca + H2O + CO2 =>
8 CaCO3 + 9 CH3COOH = 8(CH3COO)Ca + 6 H2O + 10 CO2
C2O4H2 + NaOH = Na + H2CO4 + H2O =>
C2O4H2 + 6 NaOH = 6 Na + 2 H2CO4 + 2 H2O
HCOONa + [Ag(NH3)2]OH = Ag + Na2CO3 + (NH4)2CO3 + NH3 + H2O =>
2 HCOONa + 4[Ag(NH3)2]OH = 4 Ag + Na2CO3 + (NH4)2CO3 + 6 NH3 + 2 H2O
C2H5OH + H3O{+} + Cr2O7{2-} = CH3COOH + H2O + Cr{3+} =>
3 C2H5OH + 16 H3O{+} + 2 Cr2O7{2-} = 3 CH3COOH + 27 H2O + 4 Cr{3+}
(NH4)2CO3 + H = NH4 + H2O + CO2 =>
(NH4)2CO3 + 2 H = 2 NH4 + H2O + CO2
C8H10 + O2 = CO2 + HOH =>
2 C8H10 + 21 O2 = 16 CO2 + 10 HOH
Ni + Mg(NO3)2 = Ni(NO3)2 + Mg =>
Ni + Mg(NO3)2 = Ni(NO3)2 + Mg
KIO3 + HCl = I2 + Cl2 + KCl + H2O =>
2 KIO3 + 12 HCl = I2 + 5 Cl2 + 2 KCl + 6 H2O
NH4OH + H3PO4 = NH4PO3 + H2O =>
NH4OH + H3PO4 = NH4PO3 + 2 H2O
AgBr + HCl = H[AgCl2] + HBr =>
AgBr + 2 HCl = H[AgCl2] + HBr
LaC2(s) + H2O(l) = La(OH)3(s) + C2H2(g) + H2(g) =>
2 LaC2(s) + 6 H2O(l) = 2 La(OH)3(s) + 2 C2H2(g) + H2(g)
K3PO4 + Li = Li2PO4 + K =>
K3PO4 + 2 Li = Li2PO4 + 3 K
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 + H2O2 = K2Fe1(C2O4)33H2O + (NH4)2SO4 + H2SO4 + H2O =>
Fe(NH4)2(SO4)2*6H2O + 32 H2C2O4 + K2C2O4 + 31 H2O2 = K2Fe1(C2O4)33H2O + (NH4)2SO4 + H2SO4 + 67 H2O
Ag = Ag500 =>
500 Ag = Ag500
I2 + C2H5OH + Zn = HI + HZnO2 + C =>
11 I2 + 4 C2H5OH + 2 Zn = 22 HI + 2 HZnO2 + 8 C
NaNO2 + H2SO4 + FeSO4 = H2O + NO + Na2SO4 + Fe(SO4)3 =>
4 NaNO2 + 4 H2SO4 + FeSO4 = 4 H2O + 4 NO + 2 Na2SO4 + Fe(SO4)3
I3{-} + Pb{2+} = Pb{4+} + I{-} =>
I3{-} + Pb{2+} = Pb{4+} + 3 I{-}
CH14OH + O2 = CO + H2O =>
4 CH14OH + 15 O2 = 4 CO + 30 H2O
NH4NO3 + Mg(OH)2 = NH3 + MgNO3 + H2O =>
7 NH4NO3 + 8 Mg(OH)2 = 6 NH3 + 8 MgNO3 + 13 H2O
H + O3 = H2O =>
6 H + O3 = 3 H2O
HCl + K2Cr2O7 = CrCl3 + Cl2 + H2O + KCl =>
14 HCl + K2Cr2O7 = 2 CrCl3 + 3 Cl2 + 7 H2O + 2 KCl
(NH4)3 + HCl = NH4Cl + H2 =>
2(NH4)3 + 6 HCl = 6 NH4Cl + 3 H2
H3PO4 + HC1 = PC5 + H2O =>
H3PO4 + 5 HC1 = PC5 + 4 H2O
H2B4O7 + NaOH = Na2B4O7 + H2O =>
H2B4O7 + 2 NaOH = Na2B4O7 + 2 H2O
C4H8 = C8H16 =>
2 C4H8 = C8H16
CaCl2 + Ag(CH3COO) = Ca(CH3COO)2 + AgCl =>
CaCl2 + 2 Ag(CH3COO) = Ca(CH3COO)2 + 2 AgCl
CO(NH2)2 + H2O = CO2(g) + NH3(ac) =>
CO(NH2)2 + H2O = CO2(g) + 2 NH3(ac)
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
KCl*NaCl = KCl + NaCl =>
KCl*NaCl = KCl + NaCl
P + KOH = POH + K =>
P + KOH = POH + K
KClO3 + C12H22O11 + H2SO4 = CO2 + H2O + HCl + KSO4 =>
48 KClO3 + 5 C12H22O11 + 48 H2SO4 = 60 CO2 + 79 H2O + 48 HCl + 48 KSO4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Br2(lo) + I2(s) = IBr3(g) =>
3 Br2(lo) + I2(s) = 2 IBr3(g)
AgMo3 + H2S = Ag2S + HMo3 =>
2 AgMo3 + H2S = Ag2S + 2 HMo3
S + HNO3 + H2O = H2SO4 + N2 =>
5 S + 6 HNO3 + 2 H2O = 5 H2SO4 + 3 N2
Ag + FeCl3 = FeCl2 + AgCl2 =>
Ag + 2 FeCl3 = 2 FeCl2 + AgCl2
AgNo3 + BrO = AgBrO + No3 =>
AgNo3 + BrO = AgBrO + No3
KNO2 + H2O = KNO3 + H2 =>
KNO2 + H2O = KNO3 + H2
H{+} + Br{-} + Cr2O7{-} = Br2 + Cr{+3} + H2O =>
28 H{+} + 14 Br{-} + 2 Cr2O7{-} = 7 Br2 + 4 Cr{+3} + 14 H2O
FeCl3 + K4[Fe(CN)6] = KCl + K4(Fe(CN)6)3 + Fe =>
8 FeCl3 + 9 K4[Fe(CN)6] = 24 KCl + 3 K4(Fe(CN)6)3 + 8 Fe
V + SbO{+} + H = V{2+} + Sb + H2O =>
V + 2 SbO{+} + 4 H = V{2+} + 2 Sb + 2 H2O
CuSO4 + NaOH + HOCH2CHOHCH2OH = CH3COOH + Cu2O + Na2SO4 + H2O =>
4 CuSO4 + 8 NaOH + 2 HOCH2CHOHCH2OH = 3 CH3COOH + 2 Cu2O + 4 Na2SO4 + 6 H2O
NaHSO4 + H2O = NaOH + H2SO4 =>
NaHSO4 + H2O = NaOH + H2SO4
C6H18 + O2 = H2O + CO2 =>
2 C6H18 + 21 O2 = 18 H2O + 12 CO2
Na3[Cr(OH)6] + HBr = Cr(OH)3 + NaBr + H2O =>
Na3[Cr(OH)6] + 3 HBr = Cr(OH)3 + 3 NaBr + 3 H2O
CuI2 + HNO3 = Cu(NO3)2 + I2 + NO2 + H2O =>
CuI2 + 4 HNO3 = Cu(NO3)2 + I2 + 2 NO2 + 2 H2O
Ga(OH)3 + NaOH = Na[Ga(OH)4] =>
Ga(OH)3 + NaOH = Na[Ga(OH)4]
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Équations équilibrées sur12/14/24
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