| Équations équilibrées la veille | Équations équilibrées le lendemain |
3(Cr2O7)2 + 84 H = 4 Cr3 + 42 H2O
BaCl2(aq) + NaSO4(aq) = Ba(SO4)2 + NaCl =>
BaCl2(aq) + 2 NaSO4(aq) = Ba(SO4)2 + 2 NaCl
HCl + Cu = CuCl2 + H2 =>
2 HCl + Cu = CuCl2 + H2
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
Al2(CO3)3 = Al2O3 + CO2 =>
Al2(CO3)3 = Al2O3 + 3 CO2
NaNO3 + Al + NaOH + H2O = Na[Al(OH)4] + NH3 =>
3 NaNO3 + 8 Al + 5 NaOH + 18 H2O = 8 Na[Al(OH)4] + 3 NH3
Ba(NO3)2 + NaHCO3 = Ba(CO3) + H2O + CO2 + NaNO3 =>
Ba(NO3)2 + 2 NaHCO3 = Ba(CO3) + H2O + CO2 + 2 NaNO3
C2H4 + H2O2 = C2H4O + H2O =>
C2H4 + H2O2 = C2H4O + H2O
FeCl3 + K2O = Fe2O3 + KCl =>
2 FeCl3 + 3 K2O = Fe2O3 + 6 KCl
CH3CCH + CuCl + NH3 = CH3CCCu + NH4Cl =>
CH3CCH + CuCl + NH3 = CH3CCCu + NH4Cl
HSO3{-} + H2O = H3O + SO3{-} =>
HSO3{-} + H2O = H3O + SO3{-}
NaClO + H2SO4 + NaI = I2 + H2O + Na2SO4 + HCl =>
2 NaClO + 3 H2SO4 + 4 NaI = 2 I2 + 2 H2O + 3 Na2SO4 + 2 HCl
KMnO4 = MnO2K2MnO4 + O2 =>
2 KMnO4 = MnO2K2MnO4 + O2
Ca3P2 + HNO3 = Ca(NO3)2 + H3P =>
Ca3P2 + 6 HNO3 = 3 Ca(NO3)2 + 2 H3P
O8 = O5 =>
5 O8 = 8 O5
CaCr2 + BOH = Ca(OH)2 + CrB =>
CaCr2 + 2 BOH = Ca(OH)2 + 2 CrB
(CH3COO)2Pb*3H2O + Na2Cr2O7 = PbCrO4 + CH3COONa + CH3COOH + H2O =>
2(CH3COO)2Pb*3H2O + Na2Cr2O7 = 2 PbCrO4 + 2 CH3COONa + 2 CH3COOH + 5 H2O
Na + OH4 = NaOH + H2 =>
2 Na + 2 OH4 = 2 NaOH + 3 H2
Cd(NO3)2 + Na2CO3 = Na2(NO3) + Cd(CO3)2 =>
Cd(NO3)2 + 2 Na2CO3 = 2 Na2(NO3) + Cd(CO3)2
K2C2O4 + H2O = K + H3C2O + OH =>
K2C2O4 + 6 H2O = 2 K + H3C2O + 9 OH
CuCl2 + NaNo3 = Cu(No3)2 + NaCl =>
CuCl2 + 2 NaNo3 = Cu(No3)2 + 2 NaCl
Na2O2 + H2O = NaOH + O =>
Na2O2 + H2O = 2 NaOH + O
Al2O3 + BaO = Al2BaO4 =>
Al2O3 + BaO = Al2BaO4
Mn(OH)2 + FeCl3 = Fe(OH)3 + MnCl2 =>
3 Mn(OH)2 + 2 FeCl3 = 2 Fe(OH)3 + 3 MnCl2
MnO4{-} + C2O4{-}2 + H{+} = Mn{+}2 + CO2 + H2O =>
MnO4{-} + 6 C2O4{-}2 + 8 H{+} = Mn{+}2 + 12 CO2 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + N2HO3 + H2O =>
5 Cu + 14 HNO3 = 5 Cu(NO3)2 + 2 N2HO3 + 6 H2O
Na2B4O7 + NaOH + H2O2 = NaBO2H2O2 + H2O =>
Na2B4O7 + 2 NaOH + 4 H2O2 = 4 NaBO2H2O2 + H2O
KAl(SO4)2 + CaCl2 = AlCl3 + K2SO4 + CaSO4 =>
2 KAl(SO4)2 + 3 CaCl2 = 2 AlCl3 + K2SO4 + 3 CaSO4
SO2 + AuCl3 + H2O = Au + H2SO4 + HCl =>
3 SO2 + 2 AuCl3 + 6 H2O = 2 Au + 3 H2SO4 + 6 HCl
Ca2SiO4 + CaSiO3 = Ca3Si2O7 =>
Ca2SiO4 + CaSiO3 = Ca3Si2O7
CrOH(NO3)2 + H2O = Cr(OH)3 + HNO3 =>
CrOH(NO3)2 + 2 H2O = Cr(OH)3 + 2 HNO3
BaCl2 + CH3COONa + K2Cr2O7 + H2O = BaCrO4 + NaCl + KCl + CH3COOH =>
2 BaCl2 + 2 CH3COONa + K2Cr2O7 + H2O = 2 BaCrO4 + 2 NaCl + 2 KCl + 2 CH3COOH
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr =>
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr
HSO3{-} + H2O = SO3{2-} + H3O{+} =>
HSO3{-} + H2O = SO3{2-} + H3O{+}
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
BaBr2 + AgNO3 = Ba(NO3)2 + AgBr =>
BaBr2 + 2 AgNO3 = Ba(NO3)2 + 2 AgBr
NaAlO2 + SO2 + H2O = NaHSO3 + Al(OH)3 =>
NaAlO2 + SO2 + 2 H2O = NaHSO3 + Al(OH)3
K2Cr2O7 + C2H6O + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 + C2H4O2 =>
2 K2Cr2O7 + 3 C2H6O + 8 H2SO4 = 2 Cr2(SO4)3 + 11 H2O + 2 K2SO4 + 3 C2H4O2
HI + C6H6O6 = C6H8O6 + I2 =>
2 HI + C6H6O6 = C6H8O6 + I2
Hg(SCN)2 + Na2S2O3 + NaOH = Hg2SO3 + NaSCN + H2O =>
4 Hg(SCN)2 + Na2S2O3 + 6 NaOH = 2 Hg2SO3 + 8 NaSCN + 3 H2O
HSO3{-} + H2O = H2SO3 + OH{-} =>
HSO3{-} + H2O = H2SO3 + OH{-}
C3H8 + O2 = CO2 + H2O(unbalanced) =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O(unbalanced)
HNO3(aq) + Al(OH)3(aq) = H2O(l) + Al(NO3)3(aq) =>
3 HNO3(aq) + Al(OH)3(aq) = 3 H2O(l) + Al(NO3)3(aq)
CuO + Na2CrO4 + H2O = Cu(CrO4)2 + NaOH + H2 =>
CuO + 2 Na2CrO4 + 3 H2O = Cu(CrO4)2 + 4 NaOH + H2
S + C = C4S2 =>
2 S + 4 C = C4S2
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
HF + Sr(OH)2 = HOH + SrF2 =>
2 HF + Sr(OH)2 = 2 HOH + SrF2
MgO + Ba(OH)2 = Mg(OH)2 + BaO =>
MgO + Ba(OH)2 = Mg(OH)2 + BaO
Pt + O2 = PtO2 =>
Pt + O2 = PtO2
H2CO3 + C3H6O + NH3 = C12H20N2O2 + H2O =>
9 H2CO3 + 29 C3H6O + 16 NH3 = 8 C12H20N2O2 + 40 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/12/25
Équations équilibrées sur02/11/24
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