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The most used technique for this is photoelectron spectroscopy. It involves the measurement of kinetic energy of photoelectrons (electrons ejected after energetic radiation incides on the sample) to determine the binding energy, intensity and angular distributions of these electrons and use the information obtained to examine the electronic structure of atoms and molecules. It differs from the conventional methods of spectroscopy in that it detects electrons rather than photons to study electronic structures of a material.
The binding energy (BE) can be calculated as the difference between the energy of the inciding radiation (given by hv, where h is Planck's constant and v is the frequency of the radiation) and the kinetic energy (KE) of the ejected electrons (which is what is detected in this technique):
BE = hν − KEelectrons
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3. What is one experimental technique used to determine the potential energies of...
1) The orbital potential energies for the 4s and 4p of Br are -18.65 ev and...
1) The orbital potential energies for the 4s and 4p of Br are -18.65 ev and -12.49ev, respectively. Recall that the H 1s is -13.61ev. The MO diagram for HBr is not exactly the same as HF. Draw the MO diagram for HBr, including energy levels, each orbitals shape, each orbitals character (meaning what atomic orbitals contribute to each M.O. and how much), symmetry labels (e.g. and , * and *), indicate the HOMO and LUMO, the bond order...
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please answer question 7 using question 5 and the molecular orbital diagram given. 5. Prepare a...
please answer
question 7 using question 5 and the molecular orbital diagram
given.
5. Prepare a molecular orbital diagram for BN. You may consider valence orbitals only. Label the atomic orbitals for B and N with the appropriate potential energy. Decide which orbitals have the correct symmetry, orientation, and potential energies to interact (see the handout provided during class). Label the valence atomic orbitals with the appropriate potential energy. Should s-p mixing be considered for BN? How will the MO...
please answer to this post and ask one question relating to this post A scientific technique...
please answer to this post and ask one question relating to this post A scientific technique that has been used over the past several years is the concept of gene therapy. Scientist have developed gene therapies used to prevent or treat diseases in humans. The two main types of gene therapy are germline therapy and somatic therapy (National Human Genome Research Institute, 2017). Germline therapy affects many individuals because this type of therapy has the ability to change DNA in...
please answer question 6 using question 5 and the molecular orbital diagram given. 5) BEN B...
please answer question 6 using question 5 and the molecular orbital
diagram given.
5) BEN B 2s-14.0s 2p-8.30 N 25-255la 2p-13 18 8.s01 111 13.18 E -14.051 The S p mua should be considered because the BN vere to be pa mikg Wauld change fram diamagaetic h paranetic As an aove wilh the ixking thare Ore ro uapaund electran whlk it t were to be m ovng tha Csp and he Wd Swtching causng th Tp to have upaised tlectrans...
Please answer all parts: Consider a particle in a one-dimensional box, where the potential the potential...
Please answer all parts:
Consider a particle in a one-dimensional box, where the potential the potential V(x) = 0 for 0 < x <a and V(x) = 20 outside the box. On the system acts a perturbation Ĥ' of the form: 2a ad αδα 3 Approximation: Although the Hilbert space for this problem has infinite dimensions, you are allowed (and advised) to limit your calculations to a subspace of the lowest six states (n = 6), for the questions of...
Please explain how you do this. Thank you! 30. Determine what type of atomic orbitals were...
Please explain how you do this. Thank you!
30. Determine what type of atomic orbitals were used to form each of the bonds/lone pairs in the following molecules: (3 pts)
please answer question 8 using question 5 and the molecular orbital diagram given. 5. Prepare a...
please answer
question 8 using question 5 and the molecular orbital diagram
given.
5. Prepare a molecular orbital diagram for BN. You may consider valence orbitals only Label the atomic orbitals for B and N with the appropriate potential energy. Decide which orbitals have the correct symmetry, orientation, and potential energies to interact (see the handout provided during class). Label the valence atomic orbitals with the appropriate potential energy. Should s-p mixing be considered for BN? How will the MO...
You are interested in studying potential interaction of two proteins in cultured cells. What technique would...
You are interested in studying potential interaction of two proteins in cultured cells. What technique would best accomplish this goal? Include a description of how this technique works in your answer, and the possible results that would be expected (for a positive interaction or conversely, no interaction). (4 pts) You are starting a new research project and are interested in determining the function of a novel gene in cultured cells (called novl). What technique would you employ to study the...
Use the following figure of atomic orbital energies to explain what you observed in the switch...
Use the following figure of atomic orbital energies to explain
what you observed in the switch of the pz sigma (g) and the
pi(u)
Changes in molecular orbital energy levels for ground state homonuclear diatomic molecules Energy *(2p) 7 "(2p) ----- - 0,*(2p) (2p) ------ ++ +++ *,*(2) z_(20) ++ titt - ## ## Ho # ## ,127) 5,20 # 0,123) # # # o #.....# # 0,4(25) 9412) B2 Assuming that the criterion you determined in the previous question...
please answer
question 7 using question 5 and the molecular orbital diagram
given.
5. Prepare a molecular orbital diagram for BN. You may consider valence orbitals only. Label the atomic orbitals for B and N with the appropriate potential energy. Decide which orbitals have the correct symmetry, orientation, and potential energies to interact (see the handout provided during class). Label the valence atomic orbitals with the appropriate potential energy. Should s-p mixing be considered for BN? How will the MO...
please answer question 6 using question 5 and the molecular orbital
diagram given.
5) BEN B 2s-14.0s 2p-8.30 N 25-255la 2p-13 18 8.s01 111 13.18 E -14.051 The S p mua should be considered because the BN vere to be pa mikg Wauld change fram diamagaetic h paranetic As an aove wilh the ixking thare Ore ro uapaund electran whlk it t were to be m ovng tha Csp and he Wd Swtching causng th Tp to have upaised tlectrans...
Please answer all parts:
Consider a particle in a one-dimensional box, where the potential the potential V(x) = 0 for 0 < x <a and V(x) = 20 outside the box. On the system acts a perturbation Ĥ' of the form: 2a ad αδα 3 Approximation: Although the Hilbert space for this problem has infinite dimensions, you are allowed (and advised) to limit your calculations to a subspace of the lowest six states (n = 6), for the questions of...
Please explain how you do this. Thank you!
30. Determine what type of atomic orbitals were used to form each of the bonds/lone pairs in the following molecules: (3 pts)
please answer
question 8 using question 5 and the molecular orbital diagram
given.
5. Prepare a molecular orbital diagram for BN. You may consider valence orbitals only Label the atomic orbitals for B and N with the appropriate potential energy. Decide which orbitals have the correct symmetry, orientation, and potential energies to interact (see the handout provided during class). Label the valence atomic orbitals with the appropriate potential energy. Should s-p mixing be considered for BN? How will the MO...
You are interested in studying potential interaction of two proteins in cultured cells. What technique would best accomplish this goal? Include a description of how this technique works in your answer, and the possible results that would be expected (for a positive interaction or conversely, no interaction). (4 pts) You are starting a new research project and are interested in determining the function of a novel gene in cultured cells (called novl). What technique would you employ to study the...
Use the following figure of atomic orbital energies to explain
what you observed in the switch of the pz sigma (g) and the
pi(u)
Changes in molecular orbital energy levels for ground state homonuclear diatomic molecules Energy *(2p) 7 "(2p) ----- - 0,*(2p) (2p) ------ ++ +++ *,*(2) z_(20) ++ titt - ## ## Ho # ## ,127) 5,20 # 0,123) # # # o #.....# # 0,4(25) 9412) B2 Assuming that the criterion you determined in the previous question...
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