| Équations équilibrées la veille |
K2SO3 + 2 HNO2 = H2SO3 + 2 KNO2
Ag3PO4 + CaCl2 = Ca3(PO4)2 + AgCl =>
2 Ag3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 AgCl
K2Cr2O7 + NaNO2 + H2O = Cr(OH)3 + KOH + NaNO3 =>
K2Cr2O7 + 3 NaNO2 + 4 H2O = 2 Cr(OH)3 + 2 KOH + 3 NaNO3
K + H2 = KH2 =>
K + H2 = KH2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaVO3 + H2SO4 + H2O2 + H2O = [VO(O2)(H2O)3]2SO4 + Na2SO4 =>
2 NaVO3 + 2 H2SO4 + 2 H2O2 + 2 H2O = [VO(O2)(H2O)3]2SO4 + Na2SO4
Li2O + Co2 = Li2Co3 + O2 =>
2 Li2O + 3 Co2 = 2 Li2Co3 + O2
Cr2O3 + HNO3 + KOH = KNO2 + K2CrO4 + H2O =>
Cr2O3 + 3 HNO3 + 7 KOH = 3 KNO2 + 2 K2CrO4 + 5 H2O
Cu3(PO4)2 + SiO2 + C = CuSiO3 + P4 + CO =>
2 Cu3(PO4)2 + 6 SiO2 + 10 C = 6 CuSiO3 + P4 + 10 CO
Ba(OH)2 + KCH3COO = Ba(CH3COO)2 + KOH =>
Ba(OH)2 + 2 KCH3COO = Ba(CH3COO)2 + 2 KOH
(CH3NH2CH3)Cl + NaOH = NaCl + H2O + CH3NHCH3 =>
(CH3NH2CH3)Cl + NaOH = NaCl + H2O + CH3NHCH3
CH3CH2Br + NaCN = CH3CH2CN + NaBr =>
CH3CH2Br + NaCN = CH3CH2CN + NaBr
Cu + HCl = H2Cu + Cl2 =>
Cu + 2 HCl = H2Cu + Cl2
Sr + Al2(SO4)3 = Sr(SO4)2 + Al =>
3 Sr + 2 Al2(SO4)3 = 3 Sr(SO4)2 + 4 Al
Cu{2+} + NH3 = Cu(NH3)6{2+} =>
Cu{2+} + 6 NH3 = Cu(NH3)6{2+}
Be2 + S2 = BeS =>
Be2 + S2 = 2 BeS
MgSO3 + H2SO4 = SO2 + H2O + MgSO4 =>
MgSO3 + H2SO4 = SO2 + H2O + MgSO4
CrO3 + Br2 + C = CO + CrBr3 =>
2 CrO3 + 3 Br2 + 6 C = 6 CO + 2 CrBr3
Li20C10O30 + Ni10O10 + Cu10O10 + W10O30 = Li40Cu5Ni5W10O60 + C10O20 =>
4 Li20C10O30 + Ni10O10 + Cu10O10 + 2 W10O30 = 2 Li40Cu5Ni5W10O60 + 4 C10O20
Mg + H2SO4 = MgSO4 + S02 + H2O =>
6 Mg + 8 H2SO4 = 6 MgSO4 + S02 + 8 H2O
KHCO3 + AlCl3 = Al(HCO3)3 + KCl =>
3 KHCO3 + AlCl3 = Al(HCO3)3 + 3 KCl
Sr3(PO3)2 + H2S = SrS + H3PO3 =>
Sr3(PO3)2 + 3 H2S = 3 SrS + 2 H3PO3
CH2(OH) + O2 = CO2 + H2O =>
4 CH2(OH) + 5 O2 = 4 CO2 + 6 H2O
CsH2O + SO4 = H2O + Cs2SO4 =>
2 CsH2O + SO4 = 2 H2O + Cs2SO4
Na2Cr2O7 + SnBr2 + HBr = NaBr + CrBr3 + SnBr4 + H3O =>
2 Na2Cr2O7 + 13 SnBr2 + 42 HBr = 4 NaBr + 4 CrBr3 + 13 SnBr4 + 14 H3O
Cu(NO3)2 + H2O = Cu + HNO3 + O2 =>
2 Cu(NO3)2 + 2 H2O = 2 Cu + 4 HNO3 + O2
Cr(NO3)3 + KOH = Cr(OH)3 + KNO3 =>
Cr(NO3)3 + 3 KOH = Cr(OH)3 + 3 KNO3
HNO3 + Mg(s) = Mg(NO3)2 + H2 =>
2 HNO3 + Mg(s) = Mg(NO3)2 + H2
CuS + K2(CO)3 = Cu(CO)3 + K2S =>
CuS + K2(CO)3 = Cu(CO)3 + K2S
K + BaCl2 = Ba + KCl =>
2 K + BaCl2 = Ba + 2 KCl
NH4OH + CUSO4 = [CU(NH3)4]SO4 + H2O =>
4 NH4OH + CUSO4 = [CU(NH3)4]SO4 + 4 H2O
NH4SO4 + BaCl = BaSO4 + NH4Cl =>
NH4SO4 + BaCl = BaSO4 + NH4Cl
Na2S + Fe = Na + FeS =>
Na2S + Fe = 2 Na + FeS
Cu + H2S + H2O = CuS + H3O =>
Cu + H2S + 2 H2O = CuS + 2 H3O
KCl + MnO2 = KMnCl + O2 =>
KCl + MnO2 = KMnCl + O2
CrO2 + Br2 + KOH = KBr + K2CrO4 + H2O =>
CrO2 + Br2 + 4 KOH = 2 KBr + K2CrO4 + 2 H2O
CuCl2 + MgO = CuO + MgCl2 =>
CuCl2 + MgO = CuO + MgCl2
H2S(g) + O2(g) = SO2(g) + H2(g) =>
H2S(g) + O2(g) = SO2(g) + H2(g)
FOH + H2SO4 = F2SO4 + H2O =>
2 FOH + H2SO4 = F2SO4 + 2 H2O
Iron(ii)chloride + chlorine = iron(iii)chloride =>
2 FeCl2 + Cl2 = 2 FeCl3
O2 + H = O2H2 =>
O2 + 2 H = O2H2
SO3 + MnO{-} + H{+} = SO4{-} + Mn2{+} + H2O =>
SO3 + 2 MnO{-} + 2 H{+} = SO4{-} + Mn2{+} + H2O
Fe(NO3)3 + BaCl2 = FeCl3 + Ba(NO3)2 =>
2 Fe(NO3)3 + 3 BaCl2 = 2 FeCl3 + 3 Ba(NO3)2
NaClO2 + H2SO4 = ClO2 + Na2SO4 + NaCl + H2O =>
5 NaClO2 + 2 H2SO4 = 4 ClO2 + 2 Na2SO4 + NaCl + 2 H2O
CoCl2*6H2O + NH2CH2CH2NH2 + H2O2 + HCl = H2O + [Co(NH2CH2CH2NH2)2Cl2]Cl =>
2 CoCl2*6H2O + 4 NH2CH2CH2NH2 + H2O2 + 2 HCl = 14 H2O + 2[Co(NH2CH2CH2NH2)2Cl2]Cl
MnO4 + Cl2 = MnO2 + ClO4 =>
4 MnO4 + Cl2 = 4 MnO2 + 2 ClO4
NH4BrO2 = N2 + Br2 + H2O =>
2 NH4BrO2 = N2 + Br2 + 4 H2O
MnO(OH)2 + HCl = MnCl2 + Cl2 + H2O =>
MnO(OH)2 + 4 HCl = MnCl2 + Cl2 + 3 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
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Équations équilibrées sur12/13/24
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