| Équations équilibrées la veille |
Ca3N2 + 3 H2 = 3 Ca + 2 NH3
HC5H7O2 + O2 = CO2 + H2O =>
HC5H7O2 + 6 O2 = 5 CO2 + 4 H2O
C6H5CH2OH + CuO = C2H2O2 + Cu + H2O =>
2 C6H5CH2OH + 13 CuO = 7 C2H2O2 + 13 Cu + H2O
H2SO4*3H2O + KOH = K2SO4 + H2O =>
H2SO4*3H2O + 2 KOH = K2SO4 + 5 H2O
K2Cr2O7 + SnCl2 + HCl = CrCl3 + KCl + H2O + SnCl4 =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 2 KCl + 7 H2O + 3 SnCl4
H{+} + Cr2O72{-} + C2H5OH = Cr3{+} + CH3COOH + H2O =>
20 H{+} + 12 Cr2O72{-} + 427 C2H5OH = 8 Cr3{+} + 427 CH3COOH + 437 H2O
CaSO3 + HCl = CaCl2 + H2O + SO2 =>
CaSO3 + 2 HCl = CaCl2 + H2O + SO2
Ca + C2H4O2 = H2 + Ca(C2H3O2) =>
2 Ca + 2 C2H4O2 = H2 + 2 Ca(C2H3O2)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na + H3PO4 + O2 = Na3PO4 + H2O =>
12 Na + 4 H3PO4 + 3 O2 = 4 Na3PO4 + 6 H2O
Cu(OH)2 + AlF3 = CuF2 + Al(OH)3 =>
3 Cu(OH)2 + 2 AlF3 = 3 CuF2 + 2 Al(OH)3
Co(OH)3 + NHO3 = Co(NO3)3 + HOH =>
Co(OH)3 + 3 NHO3 = Co(NO3)3 + 3 HOH
Ni(OH)2 + HIO4 = Ni(IO4)2 + H2O =>
Ni(OH)2 + 2 HIO4 = Ni(IO4)2 + 2 H2O
P2P + O2 = P2O5 =>
4 P2P + 15 O2 = 6 P2O5
Os + KNO3 + KOH = K2OsO4 + KNO2 + H2O =>
Os + 3 KNO3 + 2 KOH = K2OsO4 + 3 KNO2 + H2O
Zn(aq) + CuSO4(aq) = ZnSO4(aq) + Cu(aq) =>
Zn(aq) + CuSO4(aq) = ZnSO4(aq) + Cu(aq)
K2CO3 + FeI2 = FeCO3 + KI =>
K2CO3 + FeI2 = FeCO3 + 2 KI
Fe{3+} + Hg = Fe{2+} + Hg2{2+} =>
2 Fe{3+} + 2 Hg = 2 Fe{2+} + Hg2{2+}
Mg + Pb(PO4)4 = Mg(PO4)2 + Pb =>
2 Mg + Pb(PO4)4 = 2 Mg(PO4)2 + Pb
Mg + N2 = Mg3N =>
6 Mg + N2 = 2 Mg3N
CuSO4 + H2S = CuSO3 + H2O + S =>
CuSO4 + H2S = CuSO3 + H2O + S
K2S + ZnCl2 = ZnS + KCl =>
K2S + ZnCl2 = ZnS + 2 KCl
NaCO3 + CoCl2 = NaCl + Co(CO3)2 =>
2 NaCO3 + CoCl2 = 2 NaCl + Co(CO3)2
HCl + Cu + O2 = CuCl2 + H2O =>
4 HCl + 2 Cu + O2 = 2 CuCl2 + 2 H2O
CaMg(CO3)2 = CaCO3 + Mg + CO2 + O =>
CaMg(CO3)2 = CaCO3 + Mg + CO2 + O
(C6H10O5)5 + O2 = CO2 + H2O =>
(C6H10O5)5 + 30 O2 = 30 CO2 + 25 H2O
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
CuCl2 + Pb(NO3)2 = Cu(NO3) + PbCl4 =>
2 CuCl2 + Pb(NO3)2 = 2 Cu(NO3) + PbCl4
CUCO3 = CO2 + CUO =>
CUCO3 = CO2 + CUO
KAl(SO4)2 + H2O = KAl(SO4)2*12H2O =>
KAl(SO4)2 + 12 H2O = KAl(SO4)2*12H2O
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
MnO2{+} + H{+} = MnO2{+2} + Mn{4+} + H2O =>
2 MnO2{+} + 4 H{+} = MnO2{+2} + Mn{4+} + 2 H2O
H + N = NNH3 =>
3 H + 2 N = NNH3
K3[Al(OH)6] = KOH + Al(OH)3 =>
K3[Al(OH)6] = 3 KOH + Al(OH)3
HNO3 + CaSO3 = CaNO3 + HSO3 =>
HNO3 + CaSO3 = CaNO3 + HSO3
Cu(OH) + CO3 = CuO + CO2 + H2O =>
2 Cu(OH) + CO3 = 2 CuO + CO2 + H2O
H2PO3 + K(OH) = KHPO3 + H2O =>
H2PO3 + K(OH) = KHPO3 + H2O
HgCl2 + H2O = Hg(OH)2 + HCl =>
HgCl2 + 2 H2O = Hg(OH)2 + 2 HCl
K + HOH = K(OH)2 + H2 =>
K + 2 HOH = K(OH)2 + H2
K2CO3 + Ba + Cl2 = KCl + Ba2(CO3)2 =>
2 K2CO3 + 2 Ba + 2 Cl2 = 4 KCl + Ba2(CO3)2
(NH4)2CO3(aq) = NH3(i) + H2O + CO2 =>
(NH4)2CO3(aq) = 2 NH3(i) + H2O + CO2
BeO + HNO3 = Be(NO3)2 + H2O =>
BeO + 2 HNO3 = Be(NO3)2 + H2O
SiCl4(s) + H2O(s) = SiO2(k) + HCl(d) =>
SiCl4(s) + 2 H2O(s) = SiO2(k) + 4 HCl(d)
Al + Co2O3 = Co + Al2O3 =>
2 Al + Co2O3 = 2 Co + Al2O3
NaNO3 + NaOH = Na2O2 + NH3 + H2O =>
NaNO3 + 7 NaOH = 4 Na2O2 + NH3 + 2 H2O
AgNO3 + HS2 = AgS2 + HNO3 =>
AgNO3 + HS2 = AgS2 + HNO3
V2O5 + Te = V + TeO2 =>
2 V2O5 + 5 Te = 4 V + 5 TeO2
Fe2O3 + CO = Fe + (CO2)2 =>
2 Fe2O3 + 6 CO = 4 Fe + 3(CO2)2
I7 + O2 = I2O7 =>
4 I7 + 49 O2 = 14 I2O7
FeAsS + O2 + H2O = FeOOH + AsO3 + SO4 =>
4 FeAsS + 17 O2 + 2 H2O = 4 FeOOH + 4 AsO3 + 4 SO4
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