| Équations équilibrées la veille |
2 CrO4{2-} + 6 I{-} + 8 H2O = 2 Cr{3+} + 3 I2 + 16 OH{-}
Cu(NO3)2(aq) + Li2S(aq) = CuS + Li(NO3) =>
Cu(NO3)2(aq) + Li2S(aq) = CuS + 2 Li(NO3)
KMnO4 + COONaCOO + H2SO4 = CO2 + H2O + Na2SO4 + MnSO4 + COOK =>
KMnO4 + 6 COONaCOO + 4 H2SO4 = 11 CO2 + 4 H2O + 3 Na2SO4 + MnSO4 + COOK
VO(OH)2 + O2 = V2O5 + H2O =>
4 VO(OH)2 + O2 = 2 V2O5 + 4 H2O
C2H4 + H2O2 = CH2OHCH2OH =>
C2H4 + H2O2 = CH2OHCH2OH
AlCl3 + N2 = AlN + Cl2 =>
2 AlCl3 + N2 = 2 AlN + 3 Cl2
Al + CH3OH = AlC3H9O3 + H2 =>
2 Al + 6 CH3OH = 2 AlC3H9O3 + 3 H2
CH3CH2CH3 + O2 = CO2 + H2O =>
CH3CH2CH3 + 5 O2 = 3 CO2 + 4 H2O
Ca(ClO4)2(aq) + Na2CO3(aq) = CaCO3(s) + NaClO4(aq) =>
Ca(ClO4)2(aq) + Na2CO3(aq) = CaCO3(s) + 2 NaClO4(aq)
BeO + NO = Be + NO2 =>
BeO + NO = Be + NO2
C6H4(OH)COOH + (CH3CO)2O = (CH3CO2)2C6H4CO2H2 =>
C6H4(OH)COOH + (CH3CO)2O = (CH3CO2)2C6H4CO2H2
C15H31(s)COOC30(s) + O2(g) = CO2(g) + H2O(g) =>
4 C15H31(s)COOC30(s) + 211 O2(g) = 184 CO2(g) + 62 H2O(g)
C3H5(OH)3 + O2(g) = CO2(g) + H2O(g) =>
2 C3H5(OH)3 + 7 O2(g) = 6 CO2(g) + 8 H2O(g)
Ge + N2 = Ge3N4 =>
3 Ge + 2 N2 = Ge3N4
S3O6{2-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H2O =>
S3O6{2-} + 4 Cl2 + 12 OH{-} = 3 SO4{2-} + 8 Cl{-} + 6 H2O
Hg2(NO3)2 + K2Cr2O7 = Hg2Cr2O7 + KNO3 =>
Hg2(NO3)2 + K2Cr2O7 = Hg2Cr2O7 + 2 KNO3
V + NaOH = Na2VO2 + H2 =>
V + 2 NaOH = Na2VO2 + H2
Cr2S3 + KNO3 + Na2CO3 = K2CrO4 + NO + K2CO3 + Na2SO4 =>
Cr2S3 + 10 KNO3 + 3 Na2CO3 = 2 K2CrO4 + 10 NO + 3 K2CO3 + 3 Na2SO4
CH2CH2 + HCl + NaOH = C2H5OH + NaCl =>
CH2CH2 + HCl + NaOH = C2H5OH + NaCl
K2S + CrBr3 = Cr2S3 + KBr =>
3 K2S + 2 CrBr3 = Cr2S3 + 6 KBr
CrCl3 + O2 = Cr2O3 + ClO2 =>
4 CrCl3 + 15 O2 = 2 Cr2O3 + 12 ClO2
CHCl3 + SbF3 = CHClF2 + SbCl3 =>
3 CHCl3 + 2 SbF3 = 3 CHClF2 + 2 SbCl3
Ni + NaOH + H2O = Na2[Ni(OH)4] + H2 =>
Ni + 2 NaOH + 2 H2O = Na2[Ni(OH)4] + H2
SO2 + Ba(OH)2 = Ba(SO3) + H2O =>
SO2 + Ba(OH)2 = Ba(SO3) + H2O
KC8H5O4 + NaOH = C8H3O4 + H2O + K + Na =>
KC8H5O4 + 2 NaOH = C8H3O4 + 2 H2O + K + 2 Na
Pb + NH4OH = Pb(NH3)2 + H2O =>
Pb + 2 NH4OH = Pb(NH3)2 + 2 H2O
CuCl22H2O + Al = AlCl3 + Cu + H2O =>
3 CuCl22H2O + 22 Al = 22 AlCl3 + 3 Cu + 3 H2O
Ca5(PO4)3(OH) + HCO3{-} = CaCO3 + HPO4{2-} + H2O + H{+} =>
Ca5(PO4)3(OH) + 5 HCO3{-} = 5 CaCO3 + 3 HPO4{2-} + H2O + H{+}
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Ca + KMnO4 = Ca(KMnO4)2 =>
Ca + 2 KMnO4 = Ca(KMnO4)2
(C6H10O5)(s) + O2(g) = CO(g) + H2O(g) =>
(C6H10O5)(s) + 3 O2(g) = 6 CO(g) + 5 H2O(g)
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
O2 + NO2 + KOH = KNO3 + H2O =>
O2 + 4 NO2 + 4 KOH = 4 KNO3 + 2 H2O
FeCl3 + KSCN = K3(Fe(SCN)6) + KCl =>
FeCl3 + 6 KSCN = K3(Fe(SCN)6) + 3 KCl
CaO + Br = CaBr2 + O2 =>
2 CaO + 4 Br = 2 CaBr2 + O2
CoSO3 = CoO + SO2 =>
CoSO3 = CoO + SO2
C2O4H2 + H2O2 = CO2 + H2O =>
C2O4H2 + H2O2 = 2 CO2 + 2 H2O
CaC2 + H2O(l) = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O(l) = Ca(OH)2 + C2H2
MnO4{-} + H2O2{+} = Mn{2+} + O2 + H2O =>
2 MnO4{-} + 6 H2O2{+} = 2 Mn{2+} + 7 O2 + 6 H2O
AgNo3 + Na3PO4 = Na3Ag + PO4No3 =>
AgNo3 + Na3PO4 = Na3Ag + PO4No3
Cr(OH)3{-} + HO2{-} = Cr2O7{2-} + OH{-} + H2O =>
2 Cr(OH)3{-} + 4 HO2{-} = Cr2O7{2-} + 4 OH{-} + 3 H2O
KNO3 + C7H6O = K2CO3 + CO2 + H2O + N2 =>
32 KNO3 + 5 C7H6O = 16 K2CO3 + 19 CO2 + 15 H2O + 16 N2
H3PO4 + NaOH = Na2HPO4 + H2O =>
H3PO4 + 2 NaOH = Na2HPO4 + 2 H2O
Fe + CuSO1 = FeSO1 + Cu =>
Fe + CuSO1 = FeSO1 + Cu
HNo2 + Ba(OH)2 = Ba(No2)2 + H2O =>
2 HNo2 + Ba(OH)2 = Ba(No2)2 + 2 H2O
Al{+3} + NO3{-} + H2O = Al(OH)3 + HNO3 =>
Al{+3} + 3 NO3{-} + 3 H2O = Al(OH)3 + 3 HNO3
CaH2 + KOH = Ca(OH)2 + KH =>
CaH2 + 2 KOH = Ca(OH)2 + 2 KH
Mg + HNO3 = Mg(NO3)2 + H2O + NH3 =>
4 Mg + 9 HNO3 = 4 Mg(NO3)2 + 3 H2O + NH3
CuCl22H2O + Al = AlCl3 + Cu + H2O =>
3 CuCl22H2O + 22 Al = 22 AlCl3 + 3 Cu + 3 H2O
Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + Na2(SO4)3 + O2 =>
2 Na2Cr2O7 + 12 H2SO4 = 2 Cr2(SO4)3 + 12 H2O + 2 Na2(SO4)3 + O2
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