| Équations équilibrées la veille |
3 CuSO4 + 2 B = B2(SO4)3 + 3 Cu
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
Pb(OH)2 + KOH = Pb(OH)4K2 =>
Pb(OH)2 + 2 KOH = Pb(OH)4K2
H2O2 + CaS = CaSO4 + H2O =>
4 H2O2 + CaS = CaSO4 + 4 H2O
Na2S4O6 + NaI = I2 + Na2S2O3 =>
Na2S4O6 + 2 NaI = I2 + 2 Na2S2O3
(ZrO2)97*(Y2O3)3 + NH4Cl + H2O = Zr(OH)4*3H2O + YCl3 + NH4OH =>
(ZrO2)97*(Y2O3)3 + 18 NH4Cl + 494 H2O = 97 Zr(OH)4*3H2O + 6 YCl3 + 18 NH4OH
H2O2 + CaS = CaSO4 + H2O =>
4 H2O2 + CaS = CaSO4 + 4 H2O
Fe(II) + C2H2O4 + H2O = Fe(II)C2O4*H2O + H =>
Fe(II) + C2H2O4 + H2O = Fe(II)C2O4*H2O + 2 H
HClO3 + HBr = Cl2 + Br2 + H2O =>
2 HClO3 + 10 HBr = Cl2 + 5 Br2 + 6 H2O
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO2H2O =>
2 FeSO4 + 2 HNO3 + H2SO4 = Fe2(SO4)3 + 2 NO2H2O
As2S3 + HNO3 = H3AsO3 + NO2 + H2O + H2SO4 =>
As2S3 + 24 HNO3 = 2 H3AsO3 + 24 NO2 + 6 H2O + 3 H2SO4
H3PO4(aq) + NH3(g) = ((NH4)3PO4) =>
H3PO4(aq) + 3 NH3(g) = ((NH4)3PO4)
CH2O + CuSO4 + NaOH = CHOOH + Cu2O + Na2SO4 + H2O =>
CH2O + 2 CuSO4 + 4 NaOH = CHOOH + Cu2O + 2 Na2SO4 + 2 H2O
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
Cu + CO2 = Cu2O + CO =>
2 Cu + CO2 = Cu2O + CO
ZnCO3 + FeCl2 = ZnCl2 + FeCO3 =>
ZnCO3 + FeCl2 = ZnCl2 + FeCO3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Cu(NO3)2(aq) + BaCl2(aq) = CuCl2(aq) + Ba(NO3)2(aq) =>
Cu(NO3)2(aq) + BaCl2(aq) = CuCl2(aq) + Ba(NO3)2(aq)
H3AsO3 + SnCl2 + HCl = As + SnCl4 + H2O =>
2 H3AsO3 + 3 SnCl2 + 6 HCl = 2 As + 3 SnCl4 + 6 H2O
IO3{-} + HSO3{-} = I{-} + H{+} + SO4{-2} =>
IO3{-} + 3 HSO3{-} = I{-} + 3 H{+} + 3 SO4{-2}
CH3CH2CH2CHO + KMnO4 + KOH = CH3CH2COOH + K2MnO4 + H2O =>
3 CH3CH2CH2CHO + 10 KMnO4 + 10 KOH = 4 CH3CH2COOH + 10 K2MnO4 + 5 H2O
HNO3 + NaSCN = HSCN + NaNO3 =>
HNO3 + NaSCN = HSCN + NaNO3
CH3CH2CH2COOCH2CH2CH3 + NaOH = CH3CH2CH2OH + C3H7COOH + Na =>
10 CH3CH2CH2COOCH2CH2CH3 + 12 NaOH = 6 CH3CH2CH2OH + 13 C3H7COOH + 12 Na
PBS + H2O2 = PB(SO4) + H2O =>
PBS + 4 H2O2 = PB(SO4) + 4 H2O
Na2SO3 + CuSO4 + MgCO3 = MgSO3 + Cu + CO2 + Na2SO4 =>
2 Na2SO3 + CuSO4 + MgCO3 = MgSO3 + Cu + CO2 + 2 Na2SO4
H2O + CO2 = C6H10O6 + O6 =>
30 H2O + 36 CO2 = 6 C6H10O6 + 11 O6
SiBr4 = Si + Br2 =>
SiBr4 = Si + 2 Br2
Al + KOH + H2O = K[Al(OH)4] + H2 =>
2 Al + 2 KOH + 6 H2O = 2 K[Al(OH)4] + 3 H2
NaO + SO2 = Na2 + SO3 =>
2 NaO + 2 SO2 = Na2 + 2 SO3
HgOH + H2Se = Hg2Se + H2O =>
2 HgOH + H2Se = Hg2Se + 2 H2O
HBr(aq) + RbOH(aq) = RbBr(aq) + H2O(l) =>
HBr(aq) + RbOH(aq) = RbBr(aq) + H2O(l)
NaCHOO + H2O = NaCOO + H3O =>
NaCHOO + H2O = NaCOO + H3O
Na2O + B2O3 = Na(BO2) =>
Na2O + B2O3 = 2 Na(BO2)
CaCO3 + H2O = H2OCO3 + Ca =>
CaCO3 + H2O = H2OCO3 + Ca
HCl(aq) + O3(g) = H2O(l) + Cl2(g) =>
6 HCl(aq) + O3(g) = 3 H2O(l) + 3 Cl2(g)
NBr3 + NaOH = H2O + N2 + NaBr + NaNO3 =>
5 NBr3 + 18 NaOH = 9 H2O + N2 + 15 NaBr + 3 NaNO3
NH4[VO3] + HCl = H2 + NH4Cl + VO3 =>
2 NH4[VO3] + 2 HCl = H2 + 2 NH4Cl + 2 VO3
Er(SeO3)(NO3)(H2O) = (Er2O3) + (H2O) + NO + NO2 + (SeO3) =>
2 Er(SeO3)(NO3)(H2O) = (Er2O3) + 2(H2O) + NO + NO2 + 2(SeO3)
C12H22O11 + KCl + C2H6O + (NH2)2CO = C14H22N2ClO + KCO3 + H10O9 =>
C12H22O11 + KCl + C2H6O + (NH2)2CO = C14H22N2ClO + KCO3 + H10O9
SiO2 + KAl2(Si3Al)O10(OH)2 = KAlSi3O8 + Al2SiO5 + H2O(g) =>
SiO2 + KAl2(Si3Al)O10(OH)2 = KAlSi3O8 + Al2SiO5 + H2O(g)
Ni2 + NH3 = [Ni(NH3)] =>
Ni2 + 2 NH3 = 2[Ni(NH3)]
Na + B2O3 = Na3O + B =>
9 Na + B2O3 = 3 Na3O + 2 B
C4H10(g) + O2(g) = C(g) + H2O(g) =>
2 C4H10(g) + 5 O2(g) = 8 C(g) + 10 H2O(g)
Ag + ZnF2 = AgF + Zn =>
2 Ag + ZnF2 = 2 AgF + Zn
Ag2O + HNO3 = AgNO3 + H2O =>
Ag2O + 2 HNO3 = 2 AgNO3 + H2O
Mg + AuI3 = MgI2 + Au =>
3 Mg + 2 AuI3 = 3 MgI2 + 2 Au
KOH + PbBr = KBr + Pb(OH) =>
KOH + PbBr = KBr + Pb(OH)
Li2CO3 + C2H4O2 = H2O + CO2 + LiCH3COO =>
Li2CO3 + 2 C2H4O2 = H2O + CO2 + 2 LiCH3COO
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
CS2(g) + N2O(g) = S8(s) + CO2(g) + N2(g) =>
4 CS2(g) + 8 N2O(g) = S8(s) + 4 CO2(g) + 8 N2(g)
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