| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 C5H8 + 2 KMnO4 + 4 H2O = 3 C5H10O2 + 2 MnO2 + 2 KOH
{3} = {2} =>
2{3} = 3{2}
Ba(NO3)2 + NaCl = BaCl2 + NO3 + Na =>
Ba(NO3)2 + 2 NaCl = BaCl2 + 2 NO3 + 2 Na
Cr2O3 + H2SO4 = Cr2(SO4)3 + H2O =>
Cr2O3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2O
C6H4N2O2 + O2 = CO2 + NO2 + H2O =>
C6H4N2O2 + 8 O2 = 6 CO2 + 2 NO2 + 2 H2O
Na(s) + S(s) = NaS(s) =>
Na(s) + S(s) = NaS(s)
MgSe = Mg + Se =>
MgSe = Mg + Se
Al + HNO3 = Al(NO3) + NO + H2O =>
3 Al + 4 HNO3 = 3 Al(NO3) + NO + 2 H2O
C6H6(g) + O2 = CO2(g) + H2O(l) =>
2 C6H6(g) + 15 O2 = 12 CO2(g) + 6 H2O(l)
NaNO2 + NaOH + Zn + H2O = NH3 + Na2[Zn(OH)4] =>
NaNO2 + 5 NaOH + 3 Zn + 5 H2O = NH3 + 3 Na2[Zn(OH)4]
Al(OH)3 + Co(NO3)2 = CoAl2O4 + O2 + NO2 + H2O =>
4 Al(OH)3 + 2 Co(NO3)2 = 2 CoAl2O4 + O2 + 4 NO2 + 6 H2O
C2H7N + K2Cr2O7 + HCl = CrCl3 + NH3 + H2O + KCl + CO2 =>
C2H7N + 2 K2Cr2O7 + 16 HCl = 4 CrCl3 + NH3 + 10 H2O + 4 KCl + 2 CO2
KMgCl3*6H2O = MgCl2 + KCl + H2O =>
KMgCl3*6H2O = MgCl2 + KCl + 6 H2O
Ca3(PO4)2 + C + SiO2 = P + CaSiO3 + CO =>
Ca3(PO4)2 + 5 C + 3 SiO2 = 2 P + 3 CaSiO3 + 5 CO
KOH + SO2 = K2SO3 + H2O =>
2 KOH + SO2 = K2SO3 + H2O
Hg + K = K2[Hg2] =>
2 Hg + 2 K = K2[Hg2]
Fe2(SO4)3 + (NH4)2SO4 = NH4Fe(SO4)2 =>
Fe2(SO4)3 + (NH4)2SO4 = 2 NH4Fe(SO4)2
AlCl3 + CH3COONa + H2O = Al(OH)2CH3COO + NaCl + CH3COOH =>
AlCl3 + 3 CH3COONa + 2 H2O = Al(OH)2CH3COO + 3 NaCl + 2 CH3COOH
C2H5OH + KMnO4 + NaOH = K2MnO4 + Na2MnO4 + CH3COONa + H2O =>
C2H5OH + 4 KMnO4 + 5 NaOH = 2 K2MnO4 + 2 Na2MnO4 + CH3COONa + 4 H2O
H2SO4 + CaCl2 = CaSO4 + HCl* =>
H2SO4 + CaCl2 = CaSO4 + 2 HCl*
Mg + NaHSO4 = MgSO4 + Na2SO4 + H2O + H2S =>
4 Mg + 10 NaHSO4 = 4 MgSO4 + 5 Na2SO4 + 4 H2O + H2S
K2O + HI = K2OH + I =>
K2O + HI = K2OH + I
NaOH + Al(OH)3 = NaAl(OH)4 =>
NaOH + Al(OH)3 = NaAl(OH)4
Br2 + NaCl = BrCl + NaBr =>
Br2 + NaCl = BrCl + NaBr
UO2(NO3)2 + K4[Fe(CN)6] = (UO2)2[Fe(CN)6] + KNO3 =>
2 UO2(NO3)2 + K4[Fe(CN)6] = (UO2)2[Fe(CN)6] + 4 KNO3
CaCO3 + HCl = CaCl2(aq)CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2(aq)CO2 + H2O
C2H82 + O2 = CO2 + H2O =>
2 C2H82 + 45 O2 = 4 CO2 + 82 H2O
Na2SO4 + HCl = H2SO4 + NaCl =>
Na2SO4 + 2 HCl = H2SO4 + 2 NaCl
CH3COOH + C3H7OH = CH3COOC3H7 + H2O =>
CH3COOH + C3H7OH = CH3COOC3H7 + H2O
Cu(NO3)2 + Cu(OH)2 = CuOHNO3 =>
Cu(NO3)2 + Cu(OH)2 = 2 CuOHNO3
Pb(CH3COO)2 + (NH4)2S = PbS + NH4CH3COO =>
Pb(CH3COO)2 + (NH4)2S = PbS + 2 NH4CH3COO
S2O3{-}2 + H{+} = S + SO2 + H2O =>
4 S2O3{-}2 + 4 H{+} = 3 S + 5 SO2 + 2 H2O
Cr{+3} + Al = Cr + Al{+3} =>
Cr{+3} + Al = Cr + Al{+3}
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
NH4NO2 + H2S = (NH4)2S + HNO2 =>
2 NH4NO2 + H2S = (NH4)2S + 2 HNO2
H2S + K2SO3 = K2S + H2SO4 =>
3 H2S + 4 K2SO3 = 4 K2S + 3 H2SO4
AuBr3 + CrCl2 = AuCl3 + CrBr2 =>
2 AuBr3 + 3 CrCl2 = 2 AuCl3 + 3 CrBr2
Al + S = AlS =>
Al + S = AlS
Zn + HCl = H + ZnHCl2 =>
Zn + 2 HCl = H + ZnHCl2
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
Ta + Cl2 = TaCl5 =>
2 Ta + 5 Cl2 = 2 TaCl5
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Fe(OH)2 + SO2 = Fe2(SO2)3 + OH =>
2 Fe(OH)2 + 3 SO2 = Fe2(SO2)3 + 4 OH
CrCl3 + NH4OH = NH4[Cr(OH)4] + NH4Cl =>
CrCl3 + 4 NH4OH = NH4[Cr(OH)4] + 3 NH4Cl
CH3CH2CH2CH3NCH2CH3 + CH3I = CH2CH3CH2CH3CH2CH3NCH3I =>
CH3CH2CH2CH3NCH2CH3 + CH3I = CH2CH3CH2CH3CH2CH3NCH3I
BeNO3 = BeNO2 + O2 =>
2 BeNO3 = 2 BeNO2 + O2
Cr + HNO3 = Cr(NO3)3 + N2O + H2O =>
8 Cr + 30 HNO3 = 8 Cr(NO3)3 + 3 N2O + 15 H2O
HOC6H4CH2OH + NaOH = NaOC6H4CH2ONa + H2O =>
HOC6H4CH2OH + 2 NaOH = NaOC6H4CH2ONa + 2 H2O
SO2 + Li2Se = SSe2 + OLi2 =>
SO2 + 2 Li2Se = SSe2 + 2 OLi2
Au + HCl = AuCl + H =>
Au + HCl = AuCl + H
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/25/24
Équations équilibrées sur12/25/23
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