1. B

    what definition of acid and base theory fits in potassium chloride + water reaction?

    We've been asked to identify the acid and base in KCl+H2O with appropriate acid-base definition and only the reactants are given. We've learnt the following theory in class, Arrhenius, Brønsted–Lowry,Solvent System, Lux-Flood, Lewis. I think the completed equation would be KCl+6H2O→K(H2 O)6]^+...
  2. L

    Ligand field theory MO

    I am trying to build a molecular diagram for the active site of horseradish peroxidase, the iron attached to the 4 nitrogen in the heme and to an histidine. Please someone help!!! I just need someone to guide me or see if what I am doing make sense:(:(:(:( Please answer if you can!!
  3. K

    Bronsted Lowry Theory

    Hi all, This question has taken me 2 days and I still don't get it.... can anyone help? The dissociation of the acid HOBr is written according to the Arrhenius definition of acids: HOBr(aq) = H+(aq) + BrO−(aq) Rewrite this equation with H3O+(aq) in place of H+(aq) and identify the conjugate...
  4. J

    Help in Explanation of structure of hexaammini Ni +2 according to Valence bond theory

    NH3 is a strong ligand...and there remains 2 unpaired electrons in 3d orbital of Ni(+2)...then why doesnt back pairing occur to vacant one 3d orbital due to strong ligand and dsp3d(which doesnt exist) hybridisation occur????i know that it is just a case of outer orbital complex with strong...
  5. D

    Transition dipole moment calc, group theory

    Hello, I have a problem where I have been asked to consider many of the group theory aspects of benzene such as stabilization energy, MO's with Huckel, vibrational normal modes, and transition dipole moments. This last part is where I'm stuck. The question asks to calculate the transition...
  6. M

    Quantum Theory: Determining the delta E and wavelength of an Electron Transition

    Hi, In my chemistry textbook, there is one example of a question where an electron jumps from one energy level to another, and they ask you to calculate the change in energy and the wavelength of the photon. The sample question explains that you use Bohr's equation first to find delta E (Delta...
  7. S

    Transition State Theory

    Hello, In regards to the kinetics, I understand that a one step mechanism involving a termolecular elementary reaction is unlikely to occur b/c of the need for all three reactants to successfully collide with enough energy to surpasses the activation energy (where the kinetic energy of the...