| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cr2O7{-}2 + 7 H2O2 + 2 H{+} = 4 CrO5 + 8 H2O
Al + NaOH + NaNO3 = NH3 + Na3AlO3 + H2O =>
8 Al + 21 NaOH + 3 NaNO3 = 3 NH3 + 8 Na3AlO3 + 6 H2O
KMnO4 + CH3OCH2COCH3 = Mn(CH3OCHCOCH3)3 + CO2 + H2O + KOH =>
5 KMnO4 + 16 CH3OCH2COCH3 = 5 Mn(CH3OCHCOCH3)3 + 4 CO2 + 9 H2O + 5 KOH
K2Cr2O7 + NaSO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 6 NaSO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Na2SO4 + H2O
H2SO4 = H2 + O + S =>
H2SO4 = H2 + 4 O + S
Na2CO3 + HBr = H2CO3 + NaBr =>
Na2CO3 + 2 HBr = H2CO3 + 2 NaBr
Sn + CuCl2 = Cu + Sn2(Cl2)2 =>
2 Sn + 2 CuCl2 = 2 Cu + Sn2(Cl2)2
CH3CH2CH2CH2OH + KMnO4 + NaOH = CH3CH2CH2COONa + KOH + MnO2 + H2O =>
3 CH3CH2CH2CH2OH + 4 KMnO4 + 3 NaOH = 3 CH3CH2CH2COONa + 4 KOH + 4 MnO2 + 4 H2O
SO3{2-} + MnO4{-} + H3O{+} = SO4{2-} + Mn{2+} + H2O =>
5 SO3{2-} + 2 MnO4{-} + 6 H3O{+} = 5 SO4{2-} + 2 Mn{2+} + 9 H2O
MgH2 + MgFe2O4 = MgO + Fe + H2 =>
3 MgH2 + MgFe2O4 = 4 MgO + 2 Fe + 3 H2
Ca(OH)2 + KN = KNO3 + Ca + H2O =>
3 Ca(OH)2 + KN = KNO3 + 3 Ca + 3 H2O
Na3PO4 + BaClO3 = NaClO3 + Ba3PO4 =>
Na3PO4 + 3 BaClO3 = 3 NaClO3 + Ba3PO4
Cr(OH)3(s) + H2SO4(aq) = Cr2(SO4)3(aq) + H2O(l) =>
2 Cr(OH)3(s) + 3 H2SO4(aq) = Cr2(SO4)3(aq) + 6 H2O(l)
NaClO3 + C = NaCl + CO =>
NaClO3 + 3 C = NaCl + 3 CO
H3PO4 + Ga(OH)3 = GaPO4 + HOH =>
H3PO4 + Ga(OH)3 = GaPO4 + 3 HOH
KCl + Na3[Co(NO2)6] = K3[Co(NO2)6] + NaCl =>
3 KCl + Na3[Co(NO2)6] = K3[Co(NO2)6] + 3 NaCl
Me4NBr5 = Me4NBr3 + Br2 =>
Me4NBr5 = Me4NBr3 + Br2
K2Cr2O7 + H2SO4 + C2H5OH = C2H4O + Cr2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 C2H5OH = 3 C2H4O + Cr2(SO4)3 + 7 H2O + K2SO4
MgO + NaCl = Na2O + MgCl2 =>
MgO + 2 NaCl = Na2O + MgCl2
Cr(OH)3 + OH = [Cr(OH)6]3 =>
3 Cr(OH)3 + 9 OH = [Cr(OH)6]3
AlBr3 + Ba(OH)2 = Al(OH)3 + BaBr2 =>
2 AlBr3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaBr2
MgCl2 + B2O3 = BCl3 + MgO =>
3 MgCl2 + B2O3 = 2 BCl3 + 3 MgO
C7H6OCl2 + NaOH = C7H6O2 + NaCl + H2O =>
C7H6OCl2 + 2 NaOH = C7H6O2 + 2 NaCl + H2O
CH3CHOHCH2CH2CH3 + K2Cr2O7 + H2SO4 = CH3CHOCH2CH2CH3 + K2SO4 + Cr(SO4)2 + H2O =>
4 CH3CHOHCH2CH2CH3 + K2Cr2O7 + 5 H2SO4 = 4 CH3CHOCH2CH2CH3 + K2SO4 + 2 Cr(SO4)2 + 7 H2O
BaSO4 + HNO3 = Ba(NO3)2 + H2SO4 =>
BaSO4 + 2 HNO3 = Ba(NO3)2 + H2SO4
TiCl4(g) + Mg(l) = Ti(s) + MgCl2(s) =>
TiCl4(g) + 2 Mg(l) = Ti(s) + 2 MgCl2(s)
KClO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + HCl + H2O =>
2 KClO3 + 12 FeSO4 + 7 H2SO4 = 6 Fe2(SO4)3 + K2SO4 + 2 HCl + 6 H2O
Ba(C2H3O2)2 + KI = K(C2H3O2) + BaI2 =>
Ba(C2H3O2)2 + 2 KI = 2 K(C2H3O2) + BaI2
MnO4{-} + VO{2+} + H2O = V(OH)4{+} + Mn{2+} + H{+} =>
MnO4{-} + 5 VO{2+} + 11 H2O = 5 V(OH)4{+} + Mn{2+} + 2 H{+}
Al(OH)4{-} + H{+} = Al{3+} + H2O =>
Al(OH)4{-} + 4 H{+} = Al{3+} + 4 H2O
Al2(SO4)3(aq) + AgNO3(aq) = Al2Ag + NO3(SO4)3 =>
Al2(SO4)3(aq) + AgNO3(aq) = Al2Ag + NO3(SO4)3
HAsO3 + Mn(OH)2 = Mn(AsO3)2 + H2O =>
2 HAsO3 + Mn(OH)2 = Mn(AsO3)2 + 2 H2O
AgNO3 + H3PO3 = AgH2PO3 + HNO3 =>
AgNO3 + H3PO3 = AgH2PO3 + HNO3
C6H6O + H2 = CH4 + CO =>
C6H6O + 7 H2 = 5 CH4 + CO
NO2 + NaOH = NaNO3 + H =>
NO2 + NaOH = NaNO3 + H
H3PO4 + Ag = Ag3PO4 + H2 =>
2 H3PO4 + 6 Ag = 2 Ag3PO4 + 3 H2
Na2S(aq) + HNO3(aq) = H2S(aq) + NaNO3(aq) =>
Na2S(aq) + 2 HNO3(aq) = H2S(aq) + 2 NaNO3(aq)
C2O4{-2} + H2O = C2O4H{-} + OH{-} =>
C2O4{-2} + H2O = C2O4H{-} + OH{-}
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Ti + HNO3 + HCl = H2[TiCl6] + NO + H2O =>
3 Ti + 4 HNO3 + 18 HCl = 3 H2[TiCl6] + 4 NO + 8 H2O
Fe(No3)2 + Ba(OH)2 = Fe(OH)2 + Ba(No3)2 =>
Fe(No3)2 + Ba(OH)2 = Fe(OH)2 + Ba(No3)2
NaHSO3 + Cr2O7 = CrO2 + NaHSO4 =>
3 NaHSO3 + Cr2O7 = 2 CrO2 + 3 NaHSO4
Ca(OH)2 + H3O = Ca2 + H2O =>
2 Ca(OH)2 + 4 H3O = Ca2 + 8 H2O
Mg{2+} + H2O = Mg(OH)2 + H{+} =>
Mg{2+} + 2 H2O = Mg(OH)2 + 2 H{+}
KMnO4 + NaHSO3 + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
4 KMnO4 + 10 NaHSO3 + H2SO4 = 4 MnSO4 + 2 K2SO4 + 5 Na2SO4 + 6 H2O
K2Cr2O7 + FeSO4 + HF = KF + CrF3 + Fe2(SO4)3 + FeF3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 14 HF = 2 KF + 2 CrF3 + 2 Fe2(SO4)3 + 2 FeF3 + 7 H2O
PbS + HNO3 = Pb(NO3)2 + N2O3 + S + H2O =>
2 PbS + 6 HNO3 = 2 Pb(NO3)2 + N2O3 + 2 S + 3 H2O
H5IO6 + Cr + H{+} = IO3{-} + Cr{3+} + H2O =>
3 H5IO6 + 2 Cr + 3 H{+} = 3 IO3{-} + 2 Cr{3+} + 9 H2O
H2SO4 + K2(Cr2O7) = Cr(SO4)2 + K2SO4 + H2O + O2 =>
5 H2SO4 + K2(Cr2O7) = 2 Cr(SO4)2 + K2SO4 + 5 H2O + O2
H(C2H3O2) + Na(HCO3) = HHCO3 + NaC2H3O2 =>
H(C2H3O2) + Na(HCO3) = HHCO3 + NaC2H3O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/12/24
Équations équilibrées sur01/11/24
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