| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb + 2 HCl(aq) = PbCl2(ppt) + H2
NaH + BCl3 = NaCl + B + H2 =>
6 NaH + 2 BCl3 = 6 NaCl + 2 B + 3 H2
HI + Cu(OH)2 = CuI + I2 + H2O =>
4 HI + 2 Cu(OH)2 = 2 CuI + I2 + 4 H2O
HC2H3O2 + Na2S = NaC2H3O2 + H2S =>
2 HC2H3O2 + Na2S = 2 NaC2H3O2 + H2S
MnO4{-} + NO2{-} + H{+} = Mn{2+} + NO3{-} + H2O =>
2 MnO4{-} + 5 NO2{-} + 6 H{+} = 2 Mn{2+} + 5 NO3{-} + 3 H2O
Kl + AgNo3 = AgKl + No3 =>
Kl + AgNo3 = AgKl + No3
Co + SCN = CoSCN =>
Co + SCN = CoSCN
CoCl2*6H2O + C2H8N2 + H2O2 + HCl = [Co(C2H8N2)2Cl2]Cl + H2O =>
2 CoCl2*6H2O + 4 C2H8N2 + H2O2 + 2 HCl = 2[Co(C2H8N2)2Cl2]Cl + 14 H2O
H3AsO4 + KI + HCl = H3AsO3 + KCl + I2 + H2O =>
H3AsO4 + 2 KI + 2 HCl = H3AsO3 + 2 KCl + I2 + H2O
CH3COOH + KOH = KCH3COO + H2O =>
CH3COOH + KOH = KCH3COO + H2O
Cu(OH)2 + NaOH = Na2Cu(OH)4 =>
Cu(OH)2 + 2 NaOH = Na2Cu(OH)4
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
S + NaOH = Na2S + Na2SO3 + H2O =>
3 S + 6 NaOH = 2 Na2S + Na2SO3 + 3 H2O
NaSCN + KMnO4 + H2SO4 = K2SO4 + MnSO4 + NaCN + H2O =>
5 NaSCN + 6 KMnO4 + 4 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 NaCN + 4 H2O
Ni(OH)2 + HNO3 = Ni(NO3)2 + H2O =>
Ni(OH)2 + 2 HNO3 = Ni(NO3)2 + 2 H2O
Ca(s) + CuSO4(aq) = CaSO4(aq) + Cu(s) =>
Ca(s) + CuSO4(aq) = CaSO4(aq) + Cu(s)
C6H5CH2OH + K2Cr2O7 + H2SO4 = C6H5CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5CH2OH + K2Cr2O7 + 4 H2SO4 = 3 C6H5CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
Ca + NaOH = Ca(OH)2 + Na =>
Ca + 2 NaOH = Ca(OH)2 + 2 Na
CH3CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 11 H2O
Pt + AgNO3 = Pt(NO3)4 + Ag =>
Pt + 4 AgNO3 = Pt(NO3)4 + 4 Ag
K2SO3 + HBr = KBr + H2SO3 =>
K2SO3 + 2 HBr = 2 KBr + H2SO3
NI + H3PO4 = NIPO4 + H2 =>
2 NI + 2 H3PO4 = 2 NIPO4 + 3 H2
SI + HNO3 + HF = H2SIF6 + NO + H2O =>
3 SI + 4 HNO3 + 18 HF = 3 H2SIF6 + 4 NO + 8 H2O
Cr2(SO4)3 + H2O = Cr + O2 + H2SO4 =>
2 Cr2(SO4)3 + 6 H2O = 4 Cr + 3 O2 + 6 H2SO4
Fe2(SO4)3 + Sr(OH)2 = Fe(OH)3 + SrSO4 =>
Fe2(SO4)3 + 3 Sr(OH)2 = 2 Fe(OH)3 + 3 SrSO4
AgCl + NaOH = Ag + H2O + NaCl + O2 =>
4 AgCl + 4 NaOH = 4 Ag + 2 H2O + 4 NaCl + O2
Sr(OH)2(aq) + H2CO3(aq) = Sr(HCO3)2(s) + H2O(l) =>
Sr(OH)2(aq) + 2 H2CO3(aq) = Sr(HCO3)2(s) + 2 H2O(l)
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
HCO3{-} + H{+} = H2O + CO2 =>
HCO3{-} + H{+} = H2O + CO2
NaC2H3O2 + Co3(PO4)2 = Na3PO4 + Co(C2H3O2)2 =>
6 NaC2H3O2 + Co3(PO4)2 = 2 Na3PO4 + 3 Co(C2H3O2)2
I + O = I3O =>
3 I + O = I3O
NH4 + NO3 = N2 + H2O =>
6 NH4 + 4 NO3 = 5 N2 + 12 H2O
BiCl3 + HNO3 = Bi(NO3)5 + NO + HCl + H2O =>
3 BiCl3 + 17 HNO3 = 3 Bi(NO3)5 + 2 NO + 9 HCl + 4 H2O
La + HNO3 = La(NO3)4 + NH4HNO3 + H2O =>
9 La + 44 HNO3 = 9 La(NO3)4 + 4 NH4HNO3 + 12 H2O
NH3 + KNO2 = N2 + H2O + KOH =>
NH3 + KNO2 = N2 + H2O + KOH
Cr2O3 + NaOH + H2O = Na3(Cr(OH)6) =>
Cr2O3 + 6 NaOH + 3 H2O = 2 Na3(Cr(OH)6)
Sc + Co(ClO3)2 = Co + Sc(ClO3) =>
2 Sc + Co(ClO3)2 = Co + 2 Sc(ClO3)
Cu + NO3H = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 NO3H = 3 Cu(NO3)2 + 2 NO + 4 H2O
MgSO4 + H3PO4 = Mg3(PO4)2 + H2SO4 =>
3 MgSO4 + 2 H3PO4 = Mg3(PO4)2 + 3 H2SO4
H2SO4 + NaOH = NaHSO4 + H2O =>
H2SO4 + NaOH = NaHSO4 + H2O
Nb(NO3)5 + Mg(NO3)2 + C2H6N4O2 + Dy(NO3)3 = Mg097Nb2O6Dy003 + CO2 + N2 + H2O =>
20 Nb(NO3)5 + 970 Mg(NO3)2 + 1266 C2H6N4O2 + 30 Dy(NO3)3 = 10 Mg097Nb2O6Dy003 + 2532 CO2 + 3597 N2 + 3798 H2O
Cu + Ag(NO3)3 = Ag + Cu(NO3) =>
3 Cu + Ag(NO3)3 = Ag + 3 Cu(NO3)
Ca(OH)2 + Na2SO4 = CaSO4 + NaOH =>
Ca(OH)2 + Na2SO4 = CaSO4 + 2 NaOH
HClO4 + KOH = ClO4 + KOH2 =>
HClO4 + KOH = ClO4 + KOH2
KI + CuCl2 = I2 + KCl + CuI =>
4 KI + 2 CuCl2 = I2 + 4 KCl + 2 CuI
Li2CO3 + HCl = Li2Cl + HCO3 =>
Li2CO3 + HCl = Li2Cl + HCO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Th(NO3)4 + NaOH = ThO2 + NaNO3 + H2O =>
Th(NO3)4 + 4 NaOH = ThO2 + 4 NaNO3 + 2 H2O
HCOOH + Ca = Ca(HCOO)2 + H2 =>
2 HCOOH + Ca = Ca(HCOO)2 + H2
Na3PO4 + H2O = NaOH + H3PO4 =>
Na3PO4 + 3 H2O = 3 NaOH + H3PO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/26/24
Équations équilibrées sur11/25/23
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