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(1) Huckel Theory: Using Huckel theory, write a program that solves for the molecular orbitals and energy levels in a conjugated or aromatic hydrocarbon (i.e. ethylene, butadiene, etc., or benzene, cyclobutadiene, etc.). The program should accept as input, in a GUI text window, a description of the molecule (i.e., if linear, how many carbons, if aromatic, how many carbons). The algorithm will use matrix-based methods to solve simultaneous linear equations as described in any p-chem book. Output will consist of the values of the energies and molecular orbitals. Plot, in subplots, the molecular orbitals as the linear combination of 2p atomic orbitals (define your coordinate system and pick your favorite one).
(a) Describe heat engine. How is this engine characterized? (b) Describe Perpetual motion machines of first kind and second kind, i.e. PMM1 and PMM2. Are such machines possible
A loaded structural component, shown in Fig Q7, is manufactured from sheet steel having a Young's modulus, E = 208000 MPa and a Poisson's ratio, n = 0.3. The sheet steel is 2 mm th
(a) Explain four common characteristics of work and Heat? (b) Evaluate for a Vander Waals' gas which has the equation of (p +a/v 2 ) (2-b) = RT the work done at constant t
In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the
Gas Porosity Porosity is the presence of gas pockets or voids caused by the entrapment of gas evolved during weld metal solidification. This Porosity is caused due to im
(a) An engine uses 6.5 Kg of oil per hr of a calorific value 30,000 kJ / kg. If the B. P. of the engine is 22KW and mechanical efficiency 85%. Calculate (i) Brake thermal eff
Turnouts: A turnout is an assembly of various components whereby a train running on one track may be diverted to another. A sketch of a left-hand turnout is given in Figur
Calculate days of inventory: From the data provided in table 1 and 2, calculate days of inventory. Solution Average Inventory Investment = (Last year inventory + Curre
Sand Blasting: Historically sand blasting was operated with only using sand only as abrasive media. Today the advance of technologies had brought manufacturer more variety in
The suspension system of a car is modelled as having an effective stiffness of 5x10 6 (N/m) and an effective mass of 750 (kg). The car is travelling over a road with bumps that ca
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