| Équations équilibrées la veille |
4 Au + 8 Na(CN) + 2 H2O + O2 = 4 NaAu(CN)2 + 4 NaOH
H3BO3 + K2O = K3BO3 + H2O =>
2 H3BO3 + 3 K2O = 2 K3BO3 + 3 H2O
Au + Na(CN) + H2O + O2 = NaAu(CN)2 + NaOH =>
4 Au + 8 Na(CN) + 2 H2O + O2 = 4 NaAu(CN)2 + 4 NaOH
CaCl2(aq) + F2(g) = CaF2(aq) + Cl2(g) =>
CaCl2(aq) + F2(g) = CaF2(aq) + Cl2(g)
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
GaF3 + Cs = CsF + Ga =>
GaF3 + 3 Cs = 3 CsF + Ga
SO2 + K2Cr2O7 + H2O = K2SO4 + Cr(OH)3 + Cr2(SO4)3 =>
9 SO2 + 3 K2Cr2O7 + 3 H2O = 3 K2SO4 + 2 Cr(OH)3 + 2 Cr2(SO4)3
NaC2H3O2 = Na + C2 + H3 + O2 =>
NaC2H3O2 = Na + C2 + H3 + O2
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
C14H10O2 + NaBH4 + C2H6O = C14H14O2 + NaB(C2H6O)4 =>
C14H10O2 + NaBH4 + 4 C2H6O = C14H14O2 + NaB(C2H6O)4
Fe2S3 + H2SO4 = FeSO4 + H2S + SO2 =>
2 Fe2S3 + 5 H2SO4 = 4 FeSO4 + 5 H2S + 2 SO2
H2SO4 + LiOH = Li2SO4 + H2O =>
H2SO4 + 2 LiOH = Li2SO4 + 2 H2O
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2O + CO2 =>
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2O + CO2
NaOH + CaBr2 = Ca(OH)2 + NaBr =>
2 NaOH + CaBr2 = Ca(OH)2 + 2 NaBr
Au + Na(CN) + H2O + O2 = NaAu(CN)2 + NaOH =>
4 Au + 8 Na(CN) + 2 H2O + O2 = 4 NaAu(CN)2 + 4 NaOH
Mg(OH)2 + Al2O3 = MgAl2O4 + H2O =>
Mg(OH)2 + Al2O3 = MgAl2O4 + H2O
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
NaC2H3O2 = NaOH + C2H2O =>
NaC2H3O2 = NaOH + C2H2O
Ni(NO3)2 + Co(NO3)2 + Fe(NO3)3 + CO(NH2)2 = CoNiFe2O4 + CO2 + H2O + N2 =>
3 Ni(NO3)2 + 3 Co(NO3)2 + 6 Fe(NO3)3 + 26 CO(NH2)2 = 3 CoNiFe2O4 + 26 CO2 + 52 H2O + 41 N2
B2O2 + Mg = B + MgO =>
B2O2 + 2 Mg = 2 B + 2 MgO
KMnO4 + NaHSO3 + NaOH = MnO2 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 3 NaHSO3 + NaOH = 2 MnO2 + K2SO4 + 2 Na2SO4 + 2 H2O
Zn + H{+} = Zn{+} + H2 =>
2 Zn + 2 H{+} = 2 Zn{+} + H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaC2H3O2 = NaOH + C2H2O =>
NaC2H3O2 = NaOH + C2H2O
K2Cr2O7 + SO2 + H2O = K2SO4 + CrOHSO4 =>
K2Cr2O7 + 3 SO2 + H2O = K2SO4 + 2 CrOHSO4
HCl + HClO3 = HClO =>
2 HCl + HClO3 = 3 HClO
(Cu(H2O)6)(aq) + NaOH(aq) = Cu(OH)2(s) + Na(aq) + H2O(l) =>
(Cu(H2O)6)(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 Na(aq) + 6 H2O(l)
Au + Na(CN) + H2O + O2 = NaAu(CN)2 + NaOH =>
4 Au + 8 Na(CN) + 2 H2O + O2 = 4 NaAu(CN)2 + 4 NaOH
Pb + H2CO3 = PbO2 + H2O + CO =>
Pb + 2 H2CO3 = PbO2 + 2 H2O + 2 CO
Li2PO4 + Ba(NO3)2 = LiNO3 + Ba3(PO4)3 =>
3 Li2PO4 + 3 Ba(NO3)2 = 6 LiNO3 + Ba3(PO4)3
Fe2 + Cu = Fe2Cu =>
Fe2 + Cu = Fe2Cu
Ca(NO3)2 + K3PO4(aq) = Ca3(PO4)2(s) + KNO3(aq) =>
3 Ca(NO3)2 + 2 K3PO4(aq) = Ca3(PO4)2(s) + 6 KNO3(aq)
MgPO3 + LiCO3 = MgCO3 + LiPO3 =>
MgPO3 + LiCO3 = MgCO3 + LiPO3
C14H10O2 + NaBH4 + C2H6O = C14H14O2 + NaB(OC2H5)4 =>
2 C14H10O2 + NaBH4 + 4 C2H6O = 2 C14H14O2 + NaB(OC2H5)4
CuO + NH3 = Cu + N3 + H2O =>
9 CuO + 6 NH3 = 9 Cu + 2 N3 + 9 H2O
NH3 + HNO2 = N2H4O2 =>
NH3 + HNO2 = N2H4O2
NaC2H3O2 = Na + C + H + O =>
NaC2H3O2 = Na + 2 C + 3 H + 2 O
Ti4Cl + Mg = Ti + MgCl =>
Ti4Cl + Mg = 4 Ti + MgCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
[Ag(NH3)2]Cl + CO = Ag + NH3 + COCl =>
[Ag(NH3)2]Cl + CO = Ag + 2 NH3 + COCl
Zn + (NH4)2(CO3) = Zn2(CO3) + (NH4) =>
2 Zn + (NH4)2(CO3) = Zn2(CO3) + 2(NH4)
NaC2H3O2 = Na{+} + C2H3O2{-} =>
NaC2H3O2 = Na{+} + C2H3O2{-}
HCl + CuSO3 = SO2 + CuCl2 + H2O =>
2 HCl + CuSO3 = SO2 + CuCl2 + H2O
NaC2H3O2 = Na{+} + C2H3O2{-} =>
NaC2H3O2 = Na{+} + C2H3O2{-}
CuSO4 + Ca(OH)2 = CaSO4 + Cu(OH)2 =>
CuSO4 + Ca(OH)2 = CaSO4 + Cu(OH)2
KMnO4 + NaOH + NaHSO3 = K2MnO4 + Na2MnO4 + Na2SO4 + H2O =>
2 KMnO4 + 3 NaOH + NaHSO3 = K2MnO4 + Na2MnO4 + Na2SO4 + 2 H2O
NaI + Pb(SO4)2 = PbI4 + Na2SO4 =>
4 NaI + Pb(SO4)2 = PbI4 + 2 Na2SO4
HgCH3 + H = Hg + CH4 =>
HgCH3 + H = Hg + CH4
NaC2H3O2 = Na + C + H2 + O2 =>
2 NaC2H3O2 = 2 Na + 4 C + 3 H2 + 2 O2
Ca + HY = CaY2 + H2 =>
Ca + 2 HY = CaY2 + H2
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