| Équations équilibrées la veille |
3 Zn + 8 HNO3 = 3 Zn[NO3]2 + 2 NO + 4 H2O
C17H35COONa + CaCl2 = C17H35COO + Ca + NaCl =>
2 C17H35COONa + CaCl2 = 2 C17H35COO + Ca + 2 NaCl
Ca(HCO3)2 + NaC18H35O2 = NaHCO3 + Ca(C18H35O2)2 =>
Ca(HCO3)2 + 2 NaC18H35O2 = 2 NaHCO3 + Ca(C18H35O2)2
Na3AsO3 + SnCl2 + HCl = As + NaCl + SnCl4 + H2O =>
2 Na3AsO3 + 3 SnCl2 + 12 HCl = 2 As + 6 NaCl + 3 SnCl4 + 6 H2O
Fe2(SO4)3 + HNO3 = Fe(NO3)3 + H2SO4 =>
Fe2(SO4)3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2SO4
Cr(N2H4CO6)4Cr(CN)6 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
Cr(N2H4CO6)4Cr(CN)6 + 18 KMnO4 + 19 H2SO4 = K2Cr2O7 + 18 MnSO4 + 10 CO2 + 14 KNO3 + K2SO4 + 27 H2O
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
Na2CO3(aq) + HNO3(aq) = NaNO3(aq) + CO2(g) + H2O(l) =>
Na2CO3(aq) + 2 HNO3(aq) = 2 NaNO3(aq) + CO2(g) + H2O(l)
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
KMnO4 + ZnCl2 = KCl + Zn(MnO4)2 =>
2 KMnO4 + ZnCl2 = 2 KCl + Zn(MnO4)2
KMnO4 + Na2SO3 + H2SO4 = MnO2 + Na2SO4 + H2O + K2SO4 =>
2 KMnO4 + 3 Na2SO3 + H2SO4 = 2 MnO2 + 3 Na2SO4 + H2O + K2SO4
MnO4{-} + S2O5{2-} + OH{-} = MnO2 + SO4{2-} + H2O =>
4 MnO4{-} + 3 S2O5{2-} + 2 OH{-} = 4 MnO2 + 6 SO4{2-} + H2O
NaAl(OH)4 + HNO3 = NaNO3 + Al(OH)3 + H2O =>
NaAl(OH)4 + HNO3 = NaNO3 + Al(OH)3 + H2O
Fr + BaCl2 = FrCl + Ba =>
2 Fr + BaCl2 = 2 FrCl + Ba
Fe + HI = FeI2 + H2 =>
Fe + 2 HI = FeI2 + H2
Fe + CuH2 = Fe2H + Cu =>
4 Fe + CuH2 = 2 Fe2H + Cu
NaH + CH3CCH = CH3CCNa + H2 =>
NaH + CH3CCH = CH3CCNa + H2
HBO2 + H2O = B2H6 + O2 =>
2 HBO2 + 2 H2O = B2H6 + 3 O2
HCl + NaOH = NaCl + H2O(balanced) =>
HCl + NaOH = NaCl + H2O(balanced)
N2 + Cl2 = NCl3 =>
N2 + 3 Cl2 = 2 NCl3
K + MnCl2 = KCl2 + Mn =>
K + MnCl2 = KCl2 + Mn
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Sb2O5 + HCl = SbCl3 + Cl2 + H2O =>
Sb2O5 + 10 HCl = 2 SbCl3 + 2 Cl2 + 5 H2O
N2H4 + N2O = N2 + H2O =>
N2H4 + 2 N2O = 3 N2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ga + H2 = Ga2H6 =>
2 Ga + 3 H2 = Ga2H6
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
C5H4(g) + O2(g) = CO2(g) + H2O(g) =>
C5H4(g) + 6 O2(g) = 5 CO2(g) + 2 H2O(g)
K2Cr2O7 + (NH4)2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + NO =>
3 K2Cr2O7 + (NH4)2S + 11 H2SO4 = 3 K2SO4 + 3 Cr2(SO4)3 + 15 H2O + 2 NO
Ca(NO3)2*4H2O + Al(NO3)3*9H2O + Co(NO3)2*6H2O + C6H10O5 = Ca2AlCo4O10 + N2 + H2O + CO2 =>
24 Ca(NO3)2*4H2O + 12 Al(NO3)3*9H2O + 48 Co(NO3)2*6H2O + 35 C6H10O5 = 12 Ca2AlCo4O10 + 90 N2 + 667 H2O + 210 CO2
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
BaCl2 + KIO3 = Ba(IO3)2 + KCl =>
BaCl2 + 2 KIO3 = Ba(IO3)2 + 2 KCl
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2 =>
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2
H3BO3 + NaOH = H2O + Na2B4O7 =>
4 H3BO3 + 2 NaOH = 7 H2O + Na2B4O7
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NH4OH + AlCl3 = Al(OH)3 + NH4Cl =>
3 NH4OH + AlCl3 = Al(OH)3 + 3 NH4Cl
H3BO3 = H2B4O7 + H2O =>
4 H3BO3 = H2B4O7 + 5 H2O
H3BO3 + NaOH = Na3BO3 + H2O =>
H3BO3 + 3 NaOH = Na3BO3 + 3 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
HBr + NH3 = NH4Br =>
HBr + NH3 = NH4Br
MnO2 + H2O = MnO(OH)2 =>
MnO2 + H2O = MnO(OH)2
K2S + MgBr2 = K2Br2 + MgS =>
K2S + MgBr2 = K2Br2 + MgS
Zn(s) + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn(s) + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Al(OH)4{-} + H2SO4 = Al(OH)3 + H2O + SO4{-2} =>
2 Al(OH)4{-} + H2SO4 = 2 Al(OH)3 + 2 H2O + SO4{-2}
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Na2CO3(s) + H2SO4(l) = Na2SO4(s) + CO2(g) + H2O(l) =>
Na2CO3(s) + H2SO4(l) = Na2SO4(s) + CO2(g) + H2O(l)
Mg + H2SO4(concentrated) = MgSO4 + H2O + SO2 =>
Mg + 2 H2SO4(concentrated) = MgSO4 + 2 H2O + SO2
H3BO3 = B2O3 + H2O =>
2 H3BO3 = B2O3 + 3 H2O
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Équations équilibrées sur02/10/25
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