| Équations équilibrées la veille |
2 CrBr3 + 3 F2 = 2 CrF3 + 3 Br2
Pb(NO3)2(aq) + NaOH(aq) = Pb(OH)2 + NO3Na =>
Pb(NO3)2(aq) + 2 NaOH(aq) = Pb(OH)2 + 2 NO3Na
Li(s) + H2(g) = LiH(s) =>
2 Li(s) + H2(g) = 2 LiH(s)
O{3}(aq) + Br{-}(aq) = O{2}(g) + BrO{3}{-}(aq) =>
2 O{3}(aq) + Br{-}(aq) = O{2}(g) + BrO{3}{-}(aq)
Al2(SO4)3KOH = Al2OH(SO4)3K =>
Al2(SO4)3KOH = Al2OH(SO4)3K
BTB + HCl = Cl + HBTB =>
BTB + HCl = Cl + HBTB
KMnO4 + FeSO4 + H2SO4 = MnSO4 + H2O + K2SO4 + Fe2(SO4)3 =>
2 KMnO4 + 10 FeSO4 + 8 H2SO4 = 2 MnSO4 + 8 H2O + K2SO4 + 5 Fe2(SO4)3
NaPo4 + AgNo3 = NaNo3 + AgPo4 =>
NaPo4 + AgNo3 = NaNo3 + AgPo4
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
NaCl + Ca = CaCl2 + Na =>
2 NaCl + Ca = CaCl2 + 2 Na
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuCO3 + CH3COOH = CH3COOHCu + CO2 + H2O =>
4 CuCO3 + 5 CH3COOH = 4 CH3COOHCu + 6 CO2 + 2 H2O
V10O28{6-} + OH{-} = VO4{3-} + H2O =>
V10O28{6-} + 24 OH{-} = 10 VO4{3-} + 12 H2O
H2S + Cu2SO4 = H2SO4 + Cu2S =>
H2S + Cu2SO4 = H2SO4 + Cu2S
Na2SO4 + H2O = H2SO4 + Na2O =>
Na2SO4 + H2O = H2SO4 + Na2O
Cr + HC2H3O2 = CrC2H3O2 + H2 =>
2 Cr + 2 HC2H3O2 = 2 CrC2H3O2 + H2
ZnO2 + HCl = ZnCl4 + H2O =>
ZnO2 + 4 HCl = ZnCl4 + 2 H2O
NaCl + Ca = CaCl2 + Na =>
2 NaCl + Ca = CaCl2 + 2 Na
CrCl3 + AgNO3 = AgCl + Cr(NO3)3 =>
CrCl3 + 3 AgNO3 = 3 AgCl + Cr(NO3)3
AlOH3 + NaOH = Na2AlO2 + H2 + H2O =>
2 AlOH3 + 4 NaOH = 2 Na2AlO2 + 3 H2 + 2 H2O
Fe(Cl)2 + Na3(PO4) = Fe3(PO4)2 + NaCl =>
3 Fe(Cl)2 + 2 Na3(PO4) = Fe3(PO4)2 + 6 NaCl
Zn(OH)2 + HSO4 = Zn(SO4)2 + H2O =>
Zn(OH)2 + 2 HSO4 = Zn(SO4)2 + 2 H2O
FeS2 = Fe3S4 + S2FeS2 = Fe3S4 + S2 =>
4 FeS2 = Fe3S4 + S2FeS2
Li + P = Li3P =>
3 Li + P = Li3P
Cs2SiO3 + CsH2PO4 + H2O = Cs3(H2PO4)(H2SiO4) =>
Cs2SiO3 + CsH2PO4 + H2O = Cs3(H2PO4)(H2SiO4)
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
C3H4O + H2O = C6H10O3 =>
2 C3H4O + H2O = C6H10O3
Cr2(SO4)3 + Na2SO3 + H2O = Na2SO4 + Cr(OH)3 + SO2 =>
Cr2(SO4)3 + 3 Na2SO3 + 3 H2O = 3 Na2SO4 + 2 Cr(OH)3 + 3 SO2
MnO4{-} + C2O4{-2} + OH{-} = CO3{-2} + MnO2 + H2O =>
2 MnO4{-} + 3 C2O4{-2} + 4 OH{-} = 6 CO3{-2} + 2 MnO2 + 2 H2O
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
AgCl + S2O3{2-} = Ag(S2O3)2{3-} + Cl{-} =>
AgCl + 2 S2O3{2-} = Ag(S2O3)2{3-} + Cl{-}
NI = N2 + I2 =>
2 NI = N2 + I2
Co(OH)2 + NH4OH = [Co(NH3)5(H2O)](OH)2 + H2O =>
Co(OH)2 + 5 NH4OH = [Co(NH3)5(H2O)](OH)2 + 4 H2O
Al3 + Ba(NO3)2 = Al2O3 + BaO + N2 =>
10 Al3 + 9 Ba(NO3)2 = 15 Al2O3 + 9 BaO + 9 N2
Na2SiO4 + H2O = NaOH + H2SiO4 =>
Na2SiO4 + 2 H2O = 2 NaOH + H2SiO4
Li + P = Li3P =>
3 Li + P = Li3P
NH4 + CuSO4 = (NH4)2SO4 + Cu =>
2 NH4 + CuSO4 = (NH4)2SO4 + Cu
N2O5 + Mg(OH)2 = MgO + N(OH)5 =>
N2O5 + 5 Mg(OH)2 = 5 MgO + 2 N(OH)5
KOH(s) = KOH(aq) =>
KOH(s) = KOH(aq)
KMnO4 + Na2S2O3 + H2SO4 = H2O + K2SO4 + MnSO4 + Na2SO4 =>
8 KMnO4 + 5 Na2S2O3 + 7 H2SO4 = 7 H2O + 4 K2SO4 + 8 MnSO4 + 5 Na2SO4
C6H5CH2CH2CH3 + KMnO4 + KOH = C6H5COOK + K2MnO4 + H2O =>
7 C6H5CH2CH2CH3 + 66 KMnO4 + 75 KOH = 9 C6H5COOK + 66 K2MnO4 + 57 H2O
K2Cr2O7 + H2C2O4 = K(Cr(C2O4)2(H2O)2) + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 = 2 K(Cr(C2O4)2(H2O)2) + 6 CO2 + 3 H2O
PbS + HNO3 = Pb(NO3)2 + NO + S + H2O =>
3 PbS + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 3 S + 4 H2O
KNO3 + C12H22O11 = N2 + CO2 + H2O + K2CO3 =>
48 KNO3 + 5 C12H22O11 = 24 N2 + 36 CO2 + 55 H2O + 24 K2CO3
K2Cr2O7 + H2C2O4 = K[Cr(C2O4)2(H2O)2] + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 = 2 K[Cr(C2O4)2(H2O)2] + 6 CO2 + 3 H2O
NH4Br + KOH = KBr + NH3*H2O =>
NH4Br + KOH = KBr + NH3*H2O
AgNo3 + NaPo4 = NaNo3 + AgPo4 =>
AgNo3 + NaPo4 = NaNo3 + AgPo4
CuCl2(aq) + KI(aq) = CuI(aq) + KCl(aq) + I2(s) =>
2 CuCl2(aq) + 4 KI(aq) = 2 CuI(aq) + 4 KCl(aq) + I2(s)
(H3O3)3N + Ca2P2O7 = (H3O3)3P2O7 + Ca2N =>
(H3O3)3N + Ca2P2O7 = (H3O3)3P2O7 + Ca2N
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