| Équations équilibrées la veille |
Na2CrO4 + NaOH = NaCrO4 + Na2OH
Pb(C2H3O2) + H2O + CO2 = PbCO3 + HC2H3O =>
10 Pb(C2H3O2) + 3 H2O + 8 CO2 = 10 PbCO3 + 9 HC2H3O
Na2SO3 + KIO3 + HI = K2SO4 + H2O + NaI + I2 =>
Na2SO3 + 2 KIO3 + 10 HI = K2SO4 + 5 H2O + 2 NaI + 5 I2
Zn + H3C6 + H5O7 = Zn3(C6H5O7)2(aq) + H2(g) =>
3 Zn + 2 H3C6 + 2 H5O7 = Zn3(C6H5O7)2(aq) + 3 H2(g)
KMnO4 + K2S + HClO4 = SO2 + KClO4 + MnCl2O8 + H2O =>
6 KMnO4 + 5 K2S + 28 HClO4 = 5 SO2 + 16 KClO4 + 6 MnCl2O8 + 14 H2O
CaCO3 + H2 = Ca(OH)2 + CO =>
CaCO3 + H2 = Ca(OH)2 + CO
Zn + P + O = Zn3(PO4)2 =>
3 Zn + 2 P + 8 O = Zn3(PO4)2
PBr5 + NaOH = NaBr + H3PO3 + NaBrO3 + H2O =>
3 PBr5 + 15 NaOH = 14 NaBr + 3 H3PO3 + NaBrO3 + 3 H2O
C6H3N2BrO4 + N2H4 = C6H6N4O4 + HBr =>
C6H3N2BrO4 + N2H4 = C6H6N4O4 + HBr
Cd + NiI2 = Ni + CdI2 =>
Cd + NiI2 = Ni + CdI2
Sn + Co{+3} = Sn{+2} + Co{+2} =>
Sn + 2 Co{+3} = Sn{+2} + 2 Co{+2}
Cu3Zn2 + H2SO4 = CuSO4 + ZnSO4 + H2 =>
Cu3Zn2 + 5 H2SO4 = 3 CuSO4 + 2 ZnSO4 + 5 H2
Cr2O3 + (NO3){-} + (CO3)2{-} = (CrO4)2{-} + (NO2){-} + CO2 =>
Cr2O3 + 3(NO3){-} + (CO3)2{-} = (CrO4)2{-} + 3(NO2){-} + 2 CO2
Na2TeS3 + Na2SO3 = Na2S2O3 + Te + Na2S =>
Na2TeS3 + 2 Na2SO3 = 2 Na2S2O3 + Te + Na2S
MgO + H = Mg + H2O =>
MgO + 2 H = Mg + H2O
K3[Al(OH)6] + H2SO4 = KHSO4 + Al(HSO4)3 + H2O =>
K3[Al(OH)6] + 6 H2SO4 = 3 KHSO4 + Al(HSO4)3 + 6 H2O
Br + O2 = Br2O =>
4 Br + O2 = 2 Br2O
Ca(NO3)2 + MgCl2 = Mg(NO3)2 + CaCl2 =>
Ca(NO3)2 + MgCl2 = Mg(NO3)2 + CaCl2
H3PO3 + KOH = H2O + K3(PO3) =>
H3PO3 + 3 KOH = 3 H2O + K3(PO3)
PbO2 + Si + Cl2 = PbCl3 + SiO2 =>
2 PbO2 + 2 Si + 3 Cl2 = 2 PbCl3 + 2 SiO2
CaC2 + KOH = KC + Ca(OH)2 =>
CaC2 + 2 KOH = 2 KC + Ca(OH)2
CsCN + Al = Al(CN)3 + Cs =>
3 CsCN + Al = Al(CN)3 + 3 Cs
SiO2 + Ca(OH)2 = H2O + CaSiO3 =>
SiO2 + Ca(OH)2 = H2O + CaSiO3
C6H5CH2NH3Cl + NaNO2 + HCl = C6H5CH2NH4 + NaCl + NO2 =>
C6H5CH2NH3Cl + 2 NaNO2 + HCl = C6H5CH2NH4 + 2 NaCl + 2 NO2
C2H5OH = C2H5OC2H5 + H2O =>
2 C2H5OH = C2H5OC2H5 + H2O
Al + Cu(Cl) = Cu + Al(Cl) =>
Al + Cu(Cl) = Cu + Al(Cl)
Na + H2O = NaOH + H2(g) =>
2 Na + 2 H2O = 2 NaOH + H2(g)
H2S + Cu(OH)2 = H2Cu + S(OH)2 =>
H2S + Cu(OH)2 = H2Cu + S(OH)2
H2O + CaH2 = CaOH2 + H2 =>
H2O + CaH2 = CaOH2 + H2
[Cr(N2H4CO)6]4[Cr(CN)6]3 + KMnO4 + H2S2O7 = K2Cr2O7 + MnS4O6 + C13H10 + N2O5 + K2S4O6 + H2O =>
676[Cr(N2H4CO)6]4[Cr(CN)6]3 + 11354 KMnO4 + 29330 H2S2O7 = 2366 K2Cr2O7 + 11354 MnS4O6 + 2184 C13H10 + 22308 N2O5 + 3311 K2S4O6 + 50858 H2O
Na2CrO4 = Na + CrO4 =>
Na2CrO4 = 2 Na + CrO4
AgNO3 + Al + KOH + H2O = Ag + NH3 + K[Al(OH)4] =>
AgNO3 + 3 Al + 3 KOH + 6 H2O = Ag + NH3 + 3 K[Al(OH)4]
Zn + Pb3(PO4)2 = Pb + Zn3(PO4)2 =>
3 Zn + Pb3(PO4)2 = 3 Pb + Zn3(PO4)2
Ag2S + NaCN = Na(Ag(CN)2) + Na2S =>
Ag2S + 4 NaCN = 2 Na(Ag(CN)2) + Na2S
NaClO5 = NaCl + O2 =>
2 NaClO5 = 2 NaCl + 5 O2
Li + FeCl3 = LiCl3 + Fe =>
Li + FeCl3 = LiCl3 + Fe
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ca(ClO3)2 + Li3PO4 = Ca3(PO4)2 + LiClO3 =>
3 Ca(ClO3)2 + 2 Li3PO4 = Ca3(PO4)2 + 6 LiClO3
W + PuP = Pu + WP2 =>
W + 2 PuP = 2 Pu + WP2
At2O3 + H2O = HAtO2 =>
At2O3 + H2O = 2 HAtO2
HCl(aq) + Mn2O4(s) = MnCl2(aq) + H2O(l) + Cl2(g) =>
8 HCl(aq) + Mn2O4(s) = 2 MnCl2(aq) + 4 H2O(l) + 2 Cl2(g)
PbCl2 + AgCl + S = Pb3Ag2S34 + Cl =>
3 PbCl2 + 2 AgCl + 34 S = Pb3Ag2S34 + 8 Cl
NaCl + Ca3P2 = CaCl2 + Na3P =>
6 NaCl + Ca3P2 = 3 CaCl2 + 2 Na3P
FeSO4(aq) + KCl(aq) = KSO4 + FeCl =>
FeSO4(aq) + KCl(aq) = KSO4 + FeCl
{-} + H{+} = H2 =>
2e + 2 H{+} = H2
P3Cl4 = P + Cl2 =>
P3Cl4 = 3 P + 2 Cl2
Na + C2H5I = NaI + C2H5 =>
Na + C2H5I = NaI + C2H5
KBr + O2 = K2O + Br =>
4 KBr + O2 = 2 K2O + 4 Br
Al(s) + FeSO4(l) = Al2(SO4)3(l) + Fe(s) =>
2 Al(s) + 3 FeSO4(l) = Al2(SO4)3(l) + 3 Fe(s)
BaHPO4 + KOH = Ba3(PO4)2 + KH2PO4 + H2O =>
3 BaHPO4 + KOH = Ba3(PO4)2 + KH2PO4 + H2O
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