| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Mg + Na2HPO4 = Mg2HPO4 + 2 Na
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Na2C2O4 + H2SO4 + KMnO4 = K2SO4 + NaSO4 + MnSO4 + H2O + CO2 =>
5 Na2C2O4 + 16 H2SO4 + 4 KMnO4 = 2 K2SO4 + 10 NaSO4 + 4 MnSO4 + 16 H2O + 10 CO2
NH4ClO4(s) = N2(g) + O2(g) + HCl(g) + H2O(l) =>
4 NH4ClO4(s) = 2 N2(g) + 5 O2(g) + 4 HCl(g) + 6 H2O(l)
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
KMnO4 + KHSO3 + H2SO4 = MnSO4 + KHSO4 + H2O =>
2 KMnO4 + 5 KHSO3 + 4 H2SO4 = 2 MnSO4 + 7 KHSO4 + 3 H2O
Cr2O7{2-} + I{-]+H{+} = Cr{3+}+I2+H2O =>
Cr2O7{2-} + 6 I{-]+14H{+} = 2 Cr{3+}+3I2+7H2O
NH4ClO4(s) = N2(g) + Cl2(g) + O2(g) + H2O =>
2 NH4ClO4(s) = N2(g) + Cl2(g) + 2 O2(g) + 4 H2O
BaO + HCl = BaCl2 + H2O =>
BaO + 2 HCl = BaCl2 + H2O
BaCl2Fe(SO4)3 = Ba(SO4)3FeCl2 =>
BaCl2Fe(SO4)3 = Ba(SO4)3FeCl2
MgCl2 + NH4Cl = Mg(NH4)2 + Cl2 =>
MgCl2 + 2 NH4Cl = Mg(NH4)2 + 2 Cl2
Cr2O3 + O2 + H2O = H2CrO4 =>
2 Cr2O3 + 3 O2 + 4 H2O = 4 H2CrO4
C5H8O2 + Nd(NO3)3*3H2O = Nd(C5H7O2)3 + HNO3 + H2O =>
3 C5H8O2 + Nd(NO3)3*3H2O = Nd(C5H7O2)3 + 3 HNO3 + 3 H2O
NH4ClO4(s) = Cl2(g) + H2O(g) + N2O(g) + O2(g) =>
4 NH4ClO4(s) = 2 Cl2(g) + 8 H2O(g) + 2 N2O(g) + 3 O2(g)
Ca + HF = CaF2 + H2 =>
Ca + 2 HF = CaF2 + H2
NaClBaCl2 = NaCl2BaCl =>
NaClBaCl2 = NaCl2BaCl
CH3NH2 = CH3NHCH3NH3 =>
2 CH3NH2 = CH3NHCH3NH3
Al(CH3COO)3 + K3PO4 = Al(PO4) + K(CH3COO) =>
Al(CH3COO)3 + K3PO4 = Al(PO4) + 3 K(CH3COO)
BaBr2 + AgNO3 = Ba(NO3)2 + AgBr =>
BaBr2 + 2 AgNO3 = Ba(NO3)2 + 2 AgBr
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
HNO3 + ClOH = HOH + ClNO3 =>
HNO3 + ClOH = HOH + ClNO3
NH4ClO4(s) = N2(g) + Cl2(g) + O2(g) + H2O(g) =>
2 NH4ClO4(s) = N2(g) + Cl2(g) + 2 O2(g) + 4 H2O(g)
HNO3 + H2O = HO + NO =>
HNO3 + H2O = 3 HO + NO
Na + Cl2 = NaCl2 =>
Na + Cl2 = NaCl2
BaSO4 + KOH = K2SO4 + Ba(OH)2 =>
BaSO4 + 2 KOH = K2SO4 + Ba(OH)2
Co + Cl = CoCl2 =>
Co + 2 Cl = CoCl2
MnO2 + H2O2 = MnH2 + O =>
MnO2 + H2O2 = MnH2 + 4 O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe(NH4)2(SO4)2 + Na2CO3 = (NH4)2SO4 + Na2SO4 + FeCO3 =>
Fe(NH4)2(SO4)2 + Na2CO3 = (NH4)2SO4 + Na2SO4 + FeCO3
Sr(OH)2 + KHC8H4O4 = H2O + Sr(KC8H4O4)2 =>
Sr(OH)2 + 2 KHC8H4O4 = 2 H2O + Sr(KC8H4O4)2
NH3 + H2O = NH4{+} + OH{-} =>
NH3 + H2O = NH4{+} + OH{-}
CH3COOH + Na2CO3 = C2H3NaO2 + CO2 + H2O =>
2 CH3COOH + Na2CO3 = 2 C2H3NaO2 + CO2 + H2O
NH4ClO4(s) = N2(g) + Cl2(g) + O2(g) + H2O(l) =>
2 NH4ClO4(s) = N2(g) + Cl2(g) + 2 O2(g) + 4 H2O(l)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H + N = NH3(g) =>
3 H + N = NH3(g)
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
ZnOCaCO3 = CaO3ZnCO =>
ZnOCaCO3 = CaO3ZnCO
Ce(OH)4 + HCl = Ce(OH)3 + H2O + HClO4 =>
8 Ce(OH)4 + HCl = 8 Ce(OH)3 + 4 H2O + HClO4
NH4ClO4(s) = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4(s) = N2 + Cl2 + 2 O2 + 4 H2O
Sn + H2SO4 = Sn4SO4 + SO2 + H2O =>
4 Sn + 2 H2SO4 = Sn4SO4 + SO2 + 2 H2O
(NH4)2Cr2O7 + V = V2(Cr2O7)5 + NH4 =>
5(NH4)2Cr2O7 + 2 V = V2(Cr2O7)5 + 10 NH4
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Ca(NO3)2 + Na2HPO4 = CaHPO4 + NaNO3 =>
Ca(NO3)2 + Na2HPO4 = CaHPO4 + 2 NaNO3
Fe2O3 + Fe = FeO =>
Fe2O3 + Fe = 3 FeO
C8H10 + O2 = CO2 + H2O =>
2 C8H10 + 21 O2 = 16 CO2 + 10 H2O
C5H10 + H2 = C5H12 =>
C5H10 + H2 = C5H12
Cu(OH)2 + NH4OH = Cu(NH3)2(OH)2 + H2O =>
Cu(OH)2 + 2 NH4OH = Cu(NH3)2(OH)2 + 2 H2O
Br2 + CuI = CuBr + I2 =>
Br2 + 2 CuI = 2 CuBr + I2
H2O3 = H2 + O2 =>
2 H2O3 = 2 H2 + 3 O2
NaHCO3(s) = CO2(g) + H2O(g) + Na2CO3(s) =>
2 NaHCO3(s) = CO2(g) + H2O(g) + Na2CO3(s)
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Équations équilibrées sur11/15/24
Équations équilibrées sur12/15/23
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