| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Au + 3 CuSO4 = Au2(SO4)3 + 3 Cu
CH3COONa + FeCl3 = (CH3COO)3Fe + NaCl =>
3 CH3COONa + FeCl3 = (CH3COO)3Fe + 3 NaCl
KF = F2 + K =>
2 KF = F2 + 2 K
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Au2(SO4)3 = Au + SO4 =>
Au2(SO4)3 = 2 Au + 3 SO4
KF = K + F =>
KF = K + F
HC8KH4O4 + Ba(OH)2 = Ba(C8KH4O4)2 + H2O =>
2 HC8KH4O4 + Ba(OH)2 = Ba(C8KH4O4)2 + 2 H2O
B + O2 = BO =>
2 B + O2 = 2 BO
KF = K + F =>
KF = K + F
Na(HCO3) = Na2O + CO2 + H2O =>
2 Na(HCO3) = Na2O + 2 CO2 + H2O
B2H6 + NH3 = BN + H2 =>
B2H6 + 2 NH3 = 2 BN + 6 H2
KF = K + F =>
KF = K + F
BrF5 + H2O = BrO2F + HF =>
BrF5 + 2 H2O = BrO2F + 4 HF
Fe(OH)2 + FeCl2 = FeOHCl =>
Fe(OH)2 + FeCl2 = 2 FeOHCl
KF = K + F =>
KF = K + F
KJ + FeCl3 = J2 + KCl + FeCl2 =>
2 KJ + 2 FeCl3 = J2 + 2 KCl + 2 FeCl2
B2O3 = B + O =>
B2O3 = 2 B + 3 O
MnCl2 + NaOH = Mn(OH)2 + NaCl =>
MnCl2 + 2 NaOH = Mn(OH)2 + 2 NaCl
H2O + NO3{-} + Zn = OH{-} + NH3{+} + Zn{2+} =>
12 H2O + 2 NO3{-} + 7 Zn = 18 OH{-} + 2 NH3{+} + 7 Zn{2+}
KF = K + F =>
KF = K + F
Ba(NO3)2(aq) + CuSO4 = BaSO4 + Cu(NO3)2 =>
Ba(NO3)2(aq) + CuSO4 = BaSO4 + Cu(NO3)2
KF = K + F =>
KF = K + F
Al{3+} + Ag2(NO3) = Al2(NO3)3 + Ag{+} =>
2 Al{3+} + 3 Ag2(NO3) = Al2(NO3)3 + 6 Ag{+}
Ba(NO3)2(aq) + Na2CO3(aq) = BaCO3 + NaNO3 =>
Ba(NO3)2(aq) + Na2CO3(aq) = BaCO3 + 2 NaNO3
NH4Cl + AgNO3 = AgCl + NH4NO3 =>
NH4Cl + AgNO3 = AgCl + NH4NO3
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
CH3CH2CH2OHCH3 + KMnO4 + H2SO4 = CH3CH2COOH + K2SO4 + MnSO4 + H2O =>
30 CH3CH2CH2OHCH3 + 38 KMnO4 + 57 H2SO4 = 40 CH3CH2COOH + 19 K2SO4 + 38 MnSO4 + 102 H2O
HCl + Na2S = H2S + NaCl =>
2 HCl + Na2S = H2S + 2 NaCl
Ba(NO3)2 + NH3 = BaO + N2 + H2O =>
3 Ba(NO3)2 + 10 NH3 = 3 BaO + 8 N2 + 15 H2O
MgCO3 = CO2MgO =>
MgCO3 = CO2MgO
HCl = Cl2 + H2 =>
2 HCl = Cl2 + H2
bariumhydroxide + sulfuricacid = Bariumsulfate + water =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Ba(NO3)2 + Na2CO3 = BaCO3 + Na2(NO3)2 =>
Ba(NO3)2 + Na2CO3 = BaCO3 + Na2(NO3)2
HCl = Cl2 + H2 =>
2 HCl = Cl2 + H2
Fe + H2O = Fe(OH)3 + H2 =>
2 Fe + 6 H2O = 2 Fe(OH)3 + 3 H2
NaCl + HC2H3O2 = Na(C2H3O2) + HCl =>
NaCl + HC2H3O2 = Na(C2H3O2) + HCl
HCl = Cl2 + H2 =>
2 HCl = Cl2 + H2
HgNO32 = HgO + NO2 + O2 =>
2 HgNO32 = 2 HgO + 2 NO2 + 29 O2
Ba(OH)2(aq) + H2SO4(aq) = BaSO4 + H2O =>
Ba(OH)2(aq) + H2SO4(aq) = BaSO4 + 2 H2O
C8H5KO4 + O2 = CO2 + H2O + K2O =>
2 C8H5KO4 + 15 O2 = 16 CO2 + 5 H2O + K2O
HCl = Cl2 + H2 =>
2 HCl = Cl2 + H2
HCNO + CuSO4 = CuCHN + SO5 =>
HCNO + CuSO4 = CuCHN + SO5
Ba(OH)2 + Al(Cl)3 = Ba(Cl)2 + Al(OH)3 =>
3 Ba(OH)2 + 2 Al(Cl)3 = 3 Ba(Cl)2 + 2 Al(OH)3
Cl + Ag(NO3)2 = AgCl + Cl(NO3)2 =>
2 Cl + Ag(NO3)2 = AgCl + Cl(NO3)2
Ba(OH)2 + P2O5 = BaHPO4 + H2O =>
2 Ba(OH)2 + P2O5 = 2 BaHPO4 + H2O
C2H6O + Fe2(Cr2O7)3 + H2SO4 = C2H4O2 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
9 C2H6O + 2 Fe2(Cr2O7)3 + 24 H2SO4 = 9 C2H4O2 + 6 Cr2(SO4)3 + 2 Fe2(SO4)3 + 33 H2O
C + KMnO4 = CMnO4 + K =>
C + KMnO4 = CMnO4 + K
HCl = Cl2 + H2 =>
2 HCl = Cl2 + H2
Cu2SO3 + (CH3COO)2Ba = CH3COOCu + BaSO3 =>
Cu2SO3 + (CH3COO)2Ba = 2 CH3COOCu + BaSO3
Cr(NO3)3 + C6H8O7 = Cr3O4 + N2 + H2O + CO2 =>
54 Cr(NO3)3 + 46 C6H8O7 = 18 Cr3O4 + 81 N2 + 184 H2O + 276 CO2
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