| Équations équilibrées la veille | Équations équilibrées le lendemain |
CUO + 2 HNO3 = H2O + CU(NO3)2
LiBH4 + I2 = LiI + HI + BI3 =>
LiBH4 + 4 I2 = LiI + 4 HI + BI3
KHC8H4O4(aq) + NaOH(aq) = KNaC8H4O4(aq) + H2O(l) =>
KHC8H4O4(aq) + NaOH(aq) = KNaC8H4O4(aq) + H2O(l)
C17H32O9 + H2O = CH4 + CO2 =>
4 C17H32O9 + 18 H2O = 41 CH4 + 27 CO2
MnO4{-} + NO2{-} + H3O{+} = Mn{2+} + NO3{-} + H2 =>
2 MnO4{-} + 14 NO2{-} + 6 H3O{+} = 2 Mn{2+} + 14 NO3{-} + 9 H2
C3H4N2O7 + O2 = CO2 + H2O + N2 =>
2 C3H4N2O7 + O2 = 6 CO2 + 4 H2O + 2 N2
KCrO2 + O2 = KCrO4 =>
KCrO2 + O2 = KCrO4
Cr(OH)3 + HClO3 = Cr(ClO3)3 + H2O =>
Cr(OH)3 + 3 HClO3 = Cr(ClO3)3 + 3 H2O
BaCl2 + H2SO4 = Ba2SO4 + HCl2 =>
2 BaCl2 + H2SO4 = Ba2SO4 + 2 HCl2
Na[Al(OH)4] + Na2HPO4 = Na3PO4 + Al(OH)3 + H2O =>
Na[Al(OH)4] + Na2HPO4 = Na3PO4 + Al(OH)3 + H2O
Zn(NO3)2 + K2S = S(NO3)2 + K2Zn =>
Zn(NO3)2 + K2S = S(NO3)2 + K2Zn
Na3SO4 + Mn(OH)2 = Mn3(SO4)2 + NaOH =>
2 Na3SO4 + 3 Mn(OH)2 = Mn3(SO4)2 + 6 NaOH
CrO4 + S2O4 + OH = CrOH + SO3 =>
CrO4 + 2 S2O4 + OH = CrOH + 4 SO3
H2SiO3 + Na2CO3 = Na2SiO3 + CO2 + H2O =>
H2SiO3 + Na2CO3 = Na2SiO3 + CO2 + H2O
Pb(No3)2 + Na2CO3 = PbCO3 + NaNo3 =>
Pb(No3)2 + Na2CO3 = PbCO3 + 2 NaNo3
CH3CH + H2 = CH3CH2CH3 =>
3 CH3CH + 2 H2 = 2 CH3CH2CH3
(d)Eu(s) + HF(g) = EuF3(s) + H2(g) =>
2(d)Eu(s) + 6 HF(g) = 2 EuF3(s) + 3 H2(g)
Na2S2O3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + NaHSO4 =>
5 Na2S2O3 + 8 KMnO4 + 12 H2SO4 = 4 K2SO4 + 8 MnSO4 + 7 H2O + 10 NaHSO4
FeBr2 + K2Cr2O7 + H2SO4 = Br2 + K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
2 FeBr2 + K2Cr2O7 + 7 H2SO4 = 2 Br2 + K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
Zn(ClO3)2 + Pb(CrO4)2 = ZnCrO4 + Pb(ClO3)4 =>
2 Zn(ClO3)2 + Pb(CrO4)2 = 2 ZnCrO4 + Pb(ClO3)4
HBr(aq) + K2SO3 = KBr + H2O + SO2 =>
2 HBr(aq) + K2SO3 = 2 KBr + H2O + SO2
H2PtCl6*6H2O + NaBH4 = NaCl + Pt + B(OH)3 + H2 + HCl =>
H2PtCl6*6H2O + 2 NaBH4 = 2 NaCl + Pt + 2 B(OH)3 + 6 H2 + 4 HCl
KNO3 + Cl2 = Cl(NO3)3 + K =>
6 KNO3 + Cl2 = 2 Cl(NO3)3 + 6 K
B + H2SO4 = B3(SO4)3 + H2 =>
3 B + 3 H2SO4 = B3(SO4)3 + 3 H2
K(OH) + H(NO3) = K(NO3) + H(OH) =>
K(OH) + H(NO3) = K(NO3) + H(OH)
Na10W12O41 + H2 = NaOH + H2O + W =>
Na10W12O41 + 36 H2 = 10 NaOH + 31 H2O + 12 W
NaCl + H3PO4 = NaPO4 + H3Cl =>
NaCl + H3PO4 = NaPO4 + H3Cl
CuIISO4 + Zn0 = ZnIISO4 + Cu0 =>
CuIISO4 + Zn0 = ZnIISO4 + Cu0
BCl3 + Pb + H2 = BPb + HCl =>
2 BCl3 + 2 Pb + 3 H2 = 2 BPb + 6 HCl
I2 + Cl2 + H2O = HCl + HIO3 =>
I2 + 5 Cl2 + 6 H2O = 10 HCl + 2 HIO3
H2O(g) = H(g) + O2(g) =>
2 H2O(g) = 4 H(g) + O2(g)
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
Cd{2+} + NaOH = Na + Cd(OH){2} =>
Cd{2+} + NaOH = Na + Cd(OH){2}
LiI = Li + I2 =>
2 LiI = 2 Li + I2
KMnO4 + BiBr5 + H2SO4 = Br2 + MnSO4 + Bi2(SO4)5 + K2SO4 + H2O =>
2 KMnO4 + 2 BiBr5 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + Bi2(SO4)5 + K2SO4 + 8 H2O
NH3 + CrO3 = N2 + H2O + Cr2O3 =>
2 NH3 + 2 CrO3 = N2 + 3 H2O + Cr2O3
AgCl + ZnO = Ag2O + ZnCl2 =>
2 AgCl + ZnO = Ag2O + ZnCl2
H3PO4 + HCl = HClPCl5 + H2O =>
H3PO4 + 6 HCl = HClPCl5 + 4 H2O
Bi2O3 + SeO2 + CH3COOH = Bi2Se3 + CO2H2O =>
4 Bi2O3 + 12 SeO2 + 9 CH3COOH = 4 Bi2Se3 + 18 CO2H2O
H2SeO3 + P2O5 = H3PO4 + SeO2 =>
3 H2SeO3 + P2O5 = 2 H3PO4 + 3 SeO2
Fe2(SO4)3 + Al(OH)3 = Al2(SO4)3 + Fe(OH)3 =>
Fe2(SO4)3 + 2 Al(OH)3 = Al2(SO4)3 + 2 Fe(OH)3
KCIO4 + P = KCI + P2O5 =>
5 KCIO4 + 8 P = 5 KCI + 4 P2O5
Cu(OH)2 + KSO4 = K(OH) + Cu(SO4)2 =>
Cu(OH)2 + 2 KSO4 = 2 K(OH) + Cu(SO4)2
Al + Cu(No2)2 = Cu + Al(No2)3 =>
2 Al + 3 Cu(No2)2 = 3 Cu + 2 Al(No2)3
CuCl2 + KI = KCl2 + CuI =>
CuCl2 + KI = KCl2 + CuI
Cl2 + KOH = KCl + KClO2 + H2O =>
2 Cl2 + 4 KOH = 3 KCl + KClO2 + 2 H2O
CH4 + SO4 = CO2 + H2S + H2 =>
2 CH4 + SO4 = 2 CO2 + H2S + 3 H2
KO + HCl = KClO3 + KCl + H2O =>
6 KO + 6 HCl = KClO3 + 5 KCl + 3 H2O
Hg2O3C = Hg + HgO + CO2 =>
Hg2O3C = Hg + HgO + CO2
H{+} + Cr2O7{-2} + Cl{-} = Cr{+3} + Cl2 + H2O =>
14 H{+} + Cr2O7{-2} + 6 Cl{-} = 2 Cr{+3} + 3 Cl2 + 7 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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