Group B Dienes- Conjugated Systems and Pericyelic Reactions 1- If long.docx

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Group B Dienes, Conjugated Systems and Pericyelic Reactions 1. If longer wavelength U UV VA radiation is better for getting a nice tan and both molecules A and B absorb B radiation which is responsible for sunburns, explain which molecule would be a better sunscreen for tanning (explain using HOMO-LUMO). ?? Solution Tanning is a proces of changing colour under the influence of UV light by sun. Tanning is more effective at higher wavelengths of UV light absorption. Among the two given molecules, molecule B would absorb sun light at higher wavelengths(More energy gap between Homo to Lumo) than the molecule A due to presence of extended conjugation in molecule B. Pi bond Conjugation enhances the absorption wavelength maximum to higher wavelengths. Based on this, molecule B can work as a better sunscreen for tanning. .

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Harper acquires 40 percent of the outstanding voting stock of Kinman Company on January 1, 2014, for $210,000 in cash. The book value of Kinman Solution Solution : 1 January 2014 Investment in Kinman Company $210000 To Cash Account $210000 (being the company acquires 40 percent of the outstanding voting stock of Kinman Company) 31 December 2014 Stock Reserve A/c Dr. $ 5000 To Inventory A/c $5000 (being intercompany profit eliminated from Inventory i.e. 50/150 * 15000) 31 December 2014 Cash A/c Dr. $4000 To Stock Dividend $4000 (being dividend recieved from Kinman 40% of 10000) 31 December 2015Â Â Cash A/c Dr. $4800 To Stock Dividend $4800 (being dividend recieved from Kinman 40% of 12000) 31 December 2015 Stock Reserve A/c Dr. $ 9000 To Inventory A/c $ 9000 (being intercompany profit eliminated from Inventory i.e. 60/160 * 24000[30% of 80000 in stock]) .

Harper acquires 40 percent of the outstanding voting stock of Kinman C.docx

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H The mineral perovskite is composed of calcium, oxygen, and titanium; its uses as a material span energy production, environmental containment, and communications. Pictured below is the cubic perovskite unit cell. Cations occupy the corners and body center of the unit cel while anions occupy the face-centered positions. Determine the formula unit for perovskite. Solution There are 8 corners and 1 body center. 8 corners are shared by 8 different atoms. Hence for one unit cell, the contribution of one atom is 1/8. Hence, The total number of Calcium cations (corners) = 8 (1/8) = 1 The total number Titanium atoms (body center) = 1 The anions occupy Face centers (6 faces), hence the total number of anions = 6 * (1/2) = 3 ions Hence, the formula is CaTiO 3 . .

H The mineral perovskite is composed of calcium- oxygen- and titanium-.docx

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Graphite bonds in flat sheets with only London forces to hold the sheets together, and therefore it can act as a lubricant. IS THIS TRUE OR FALSE Solution True. Graphite is a layered structure, the individual layers don\'t stick together very strongly, allowing them to slide very easily when sheared. There are actually no carbon-carbon bonds holding the layers together.Graphite is formed by very thin layers of carbon weakly bond together by Weak Van der Waals forces (London forces). In each of these layers, each atom of carbon is only bonded to three other carbon atoms from the same \"sheet\" . Those layers of carbon are actually so weakly bonded together that they can in fact slip upon each other with little effort. the fact that it is used as a lubricant .

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Given this information about activity 3-4: ES = 10, EF = 15, LS = 16, and LF = 21, we can determine that the amount of slack associated with the activity is : Select one: A. 5 B. 11 C. 6 D. 1 E. 0 Which of the following is not a benefit of effective supply chain management? Select one: A. lower inventory costs B. greater customer loyalty C. higher productivity D. shorter lead times In location planning, land costs, transportation availability, and zoning regulations are: Select one: A. site related factors B. community factors C. regional factors D. multinational factors E. irrelevant factors Solution 1 C. 6 2 C. higher productivity 3 B. community factors 3 .

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Holly inherited $10,000 of City of Atlanta bonds in February. In March, she received interest of $500, and in April she sold the bonds at a $200 gain. Holly redeemed Series EE U.S. savings bonds that she had purchased several years ago. The accumulated interest totaled $800. Holly received $300 of interest on bonds issued by the City of Quebec, Canada. What amount, if any, of gross income must Holly report? Solution Solution. gross income of Holly = Sold the bonds at a gain = $200 Accumulated interest totaled = $800 Received of interest on bonds = $300 Total = $1,300 .

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