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- A benzene molecule can be modeled as six carbon atoms arrangedin a regular hexagon in a plane. At each carbon atom, one of threeradicals NH2, COOH, or OH can be attached. How many suchcompoundsare possible?According to Huckel theory, what is the difference in total energy between the anion (C6H6) and the dication (C6H6)2+ of Benzene? In your work, explicitly state which orbitals are occupied in case of the anion and the dictation and what the total energy of each of the two ions is. The total energy difference is defined as AE = Eanion Ea dication· O 2a – 23 O 3a + B O a + B O 2a + 28 3a - BThe interaction energy of a system of two atoms is given by U = -A/r6 + B/r12 The atoms form a stable bond with bond length of 3 Å and bond energy of 1.8 eV. Calculate A and B. Compute the forces required to break the molecule and the critical interatomic distance for which it occurs.
- Write the va lence bond wavefunction of a P2 molecule. Why is P4 a stable form of molecular phosphorus?8) Consider the heteronuclear diatomic molecule, HCl with bonding orbital given by, citation legg W, = 0.205,H +0.98º3p,cI %D ght ventric FULL PRIC where ø is the (normalized) hydrogen 1s orbital and o,, c is the (normalized) chlorine BOG 3pz orbital. Assume that the atomic overlap integral is zero, | WisH W3p.cadt = 0. %3D all space a) Show that the bonding molecular orbital is normalized. Shot 232 PM BOO and B, b) What is the energy of the bonding orbital? Write your answer in terms of a,, ,a,,. T COS which are defined by: АМ Shbt 25PM ght ventric | V1s,H Hw cdt = | 4 1s,H RENT & || all space all space Che pulmc vein | Wis.H HySHdt =a,, and cdt = d3p. 1s, 3 Pz,CI right atriursen Shot 2021-02 5.56 PM pulmonary valve all space all space W étv A APR 4 29 260 Book A DD F11 F10Consider the molecular hydrogen dimer, HCl···HCl. Suppose that the bond stretching is described using harmonic potentials, and that the van der Waals interactions between non-bonded atoms are described by Lennard-Jones potential. Write the expression of the interatomic forcefield describing the energy of HCl···HCl.
- he atomic radii of two hypotheticalM2+and N2ions are 0.070 and 0.160 nm, respectively.(a)Calculate the attractive energy between these two ions at r= 0.28nm, ris the separation distance between two ions;(b)Calculate the attractive forcebetween these two ions at r= 0.28nm, ris the separation distance between two ions;(c)Calculate the force of attraction between these two ions at their equilibrium interionic separation (i.e., when the ions just touch one another).(d)What is the force of repulsion at this same separation distance(i.e. their equilibrium interionic separation?what are the issues that are the evident of the failure of the plum pudding model of atoms? why the mvr= nh/2π formula does not work properly with this model? state the logical arguements in bullet points.(hydrogen iodide, the superscripts represent the atomic mass number) HI has the bond energy of 3.06 eV. Applying the parabolic approximation to estimate the longest distance in which H and I atoms can be stretched before the dissociation of the molecular bond
- Calculate the energy of attraction between a cation with a valence of +3 and an anion with a valence of -4, the centers of which are separated by a distance of 5.8 nm. the answer should be in J. please help me solve and show all work.1 Minbox (1600) Dudeled Mal-Francesca A Tante-Out Homepage-CHM150-251 ChexAv Chemistry ← app.101edu.co PgDn B □ O Update 905 ? Submit 7:30 PM 7/6/2002 (1 -- D - - - Backspace Enter Shift >Q. (i)If a homonuclear diatomic molecule is oriented along z-axis, determine the molecular orbital formed by the linear combination of atomic orbitals of the two atoms. Also draw their resulting structure. Determine the orbital having two radial nodes and two angular nodes and also give reason to support your answer. (ii)The signs of the unsquared wave functions are usually shown in plots of the squared functions. Why do you think this practice exists? Give values of angular nodes and plane of 3p, 4d, 2p, 4f, 4s.