| Équations équilibrées la veille |
2 CH2CHCH3 + 2 Na = 2 CH2CHCH2Na + H2
H2SO4 + Nb(OH)2 = NbSO4 + H2O =>
H2SO4 + Nb(OH)2 = NbSO4 + 2 H2O
K2CrO4 + NaOH = HK2 + NaCr + O =>
K2CrO4 + NaOH = HK2 + NaCr + 5 O
Zn + HC1 = ZnC + H =>
Zn + HC1 = ZnC + H
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
Ca(OH2) + CH3COOH = CH3OH2 + CaCOOH =>
Ca(OH2) + CH3COOH = CH3OH2 + CaCOOH
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
Pb(CH3COO)2 + Fe(IO)3 = Pb(IO)2 + Fe(CH3COO)3 =>
3 Pb(CH3COO)2 + 2 Fe(IO)3 = 3 Pb(IO)2 + 2 Fe(CH3COO)3
Br{-} + OH{-} = BrO3{-} + H2O + e =>
Br{-} + 6 OH{-} = BrO3{-} + 3 H2O + 6e
Br2 + KCl = Cl2 + KBr =>
Br2 + 2 KCl = Cl2 + 2 KBr
Na + Hg = Na2Hg =>
2 Na + Hg = Na2Hg
Be(SiO3) = Be + SiO3 =>
Be(SiO3) = Be + SiO3
Ru + Br2 = RuBr2 =>
Ru + Br2 = RuBr2
Al + BaI2 = AlI3 + Ba =>
2 Al + 3 BaI2 = 2 AlI3 + 3 Ba
MgCO3(cr) = MgO(cr) + CO2(g) =>
MgCO3(cr) = MgO(cr) + CO2(g)
H2SO3(aq) + KOH(aq) = H2OH + KSO3 =>
H2SO3(aq) + KOH(aq) = H2OH + KSO3
KF(g) = F(g) + K(s) =>
KF(g) = F(g) + K(s)
Li + K2CrO4 = K + Li2CrO4 =>
2 Li + K2CrO4 = 2 K + Li2CrO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Mg(NO3)2 + Na2SO4 = MgSO4 + Na2(NO3)2 =>
Mg(NO3)2 + Na2SO4 = MgSO4 + Na2(NO3)2
Na2O = Na + O2 =>
2 Na2O = 4 Na + O2
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Al2S8 = Al + S =>
Al2S8 = 2 Al + 8 S
Na2S + CH3COOAg = Ag2S + CH3COONa =>
Na2S + 2 CH3COOAg = Ag2S + 2 CH3COONa
CH4 + O2 = CO2(H2O)2 =>
CH4 + 2 O2 = CO2(H2O)2
CoCl2 + K3Fe(CN)6 = Co3[Fe(CN)6]2 + KCl =>
3 CoCl2 + 2 K3Fe(CN)6 = Co3[Fe(CN)6]2 + 6 KCl
HCl + Cu2(CO3)2 = H2CO3 + CuCl2 =>
4 HCl + Cu2(CO3)2 = 2 H2CO3 + 2 CuCl2
H2CO3 + HNO3 = H2NO3 + HCO3 =>
H2CO3 + HNO3 = H2NO3 + HCO3
nitrogen = N =>
N2 = 2 N
H8N8CeO18 + CuSCN = H2O + N2 + SO2 + CO2 + CuO + CeO2 =>
5 H8N8CeO18 + 12 CuSCN = 20 H2O + 26 N2 + 12 SO2 + 12 CO2 + 12 CuO + 5 CeO2
AgHS + O2 + H2O = Ag + H{+} + SO4{-2} =>
4 AgHS + 7 O2 + 2 H2O = 4 Ag + 8 H{+} + 4 SO4{-2}
O{-} = O2 + e =>
2 O{-} = O2 + 2e
Cr2O7{-2} + HNO2 + H3O{+} = Cr{+3} + NO3{-} + H2O =>
Cr2O7{-2} + 3 HNO2 + 5 H3O{+} = 2 Cr{+3} + 3 NO3{-} + 9 H2O
[Co(CH3COCHCOCH3)3] + Cu(NO3)2*3H2O + (CH3CO)O(OCH3C) = [Co(CH3COC(NO2)COCH3)3] + Cu(CH3CO2)2 + H2O =>
2[Co(CH3COCHCOCH3)3] + 3 Cu(NO3)2*3H2O + 3(CH3CO)O(OCH3C) = 2[Co(CH3COC(NO2)COCH3)3] + 3 Cu(CH3CO2)2 + 12 H2O
KPO3 = KPO2 + O =>
KPO3 = KPO2 + O
HN3 = H2 + N2 =>
2 HN3 = H2 + 3 N2
Ca + H2SO4 + KMnO4 = CaSO4 + MnSO4 + K2SO4 + H2O =>
5 Ca + 8 H2SO4 + 2 KMnO4 = 5 CaSO4 + 2 MnSO4 + K2SO4 + 8 H2O
Zn(C2H3O2)2 + Na3Po4*12H2O = Zn3(Po4)2*4H2O + NaC2H3O2 + H2O =>
3 Zn(C2H3O2)2 + 2 Na3Po4*12H2O = Zn3(Po4)2*4H2O + 6 NaC2H3O2 + 20 H2O
H2O2 + Br = BrO3 + H2O =>
3 H2O2 + Br = BrO3 + 3 H2O
NH3 + HCl*H2O = NH4Cl + H2O =>
NH3 + HCl*H2O = NH4Cl + H2O
H3PO4 + Ba(OH)2 = BaPO4 + H5O2 =>
H3PO4 + Ba(OH)2 = BaPO4 + H5O2
NaOH + C21H42O5 + H2O = C3H8O3 + C18H35O2Na =>
9 NaOH + 10 C21H42O5 + 7 H2O = 16 C3H8O3 + 9 C18H35O2Na
Cu + Na2SO3 = CuSO3 + Na =>
Cu + Na2SO3 = CuSO3 + 2 Na
Sr(NO3)2 + KI = KNO3 + SrI2 =>
Sr(NO3)2 + 2 KI = 2 KNO3 + SrI2
Na + HCO3 = CO2 + H2O + Na2CO3 =>
2 Na + 2 HCO3 = CO2 + H2O + Na2CO3
BeI2 + Ag2SO4 = BeSO4 + AgI =>
BeI2 + Ag2SO4 = BeSO4 + 2 AgI
KCN(aq) + HCl(aq) = KCl(aq) + HCN(g) =>
KCN(aq) + HCl(aq) = KCl(aq) + HCN(g)
CH3COOH + NO3 = CO2 + H2O + NH3 =>
9 CH3COOH + 8 NO3 = 18 CO2 + 6 H2O + 8 NH3
CuSO4 + KI + Na2S2O5 + H2O = CuI + K2SO4 + H2SO4 + Na2SO4 =>
4 CuSO4 + 4 KI + Na2S2O5 + 3 H2O = 4 CuI + 2 K2SO4 + 3 H2SO4 + Na2SO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
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