Friday, January 24, 2020
Though magazines and newspapers belong to the same category (printed
Though magazines and newspapers belong to the same category (printed media), they can still fulfill totally different goals when it comes to advertising. The most Analysis of newspapers & magazines Introduction The intention of this assignment is to state the advantages and disadvantages of magazines and newspapers (printed media). As the advantages and disadvantages of both differ, we decided to separate the different media in order to get a clear overview of both types regarding marketing communications. Printed media is a good medium for using cross-media communication, but it is also a good way of getting local recognition. Newspapers Newspapers permit an advertiser to reach a large number of people in a city, town, and region or within a specified geographic area. Newspapers are one of the major advertising media for the smaller retailers and some larger corporations. Newspapers are normally created and bought daily. A few examples of newspapers are: - The Irish times - The Irish independent - The Letterkenny post The newspapers stated above all have a different geographic distribution and this also affects the ads that are in these newspapers. Social groups, demographic characteristics and other identifiable segmentations are also usually linked to certain newspapers, which make it more appealing to advertise a product or service that corresponds mostly with the newspaperÃâââ¬â¢s Ãâââ¬Å"personalityÃââ⬠. Advantages of newspapers - High...
Thursday, January 16, 2020
Chem
Organic Chemistry I Spring 2013 Practice test 1. Name the following compounds: a. 5-tert-butyl-7-isopropyl-6-sec-butyl-undecane b. cis-2-(5,6-dimethylheptyl)-6-(3-methylpentyl)piperidine c. trans -2-nonyl-3-octyl-tetrahydrofuran d. trans-1,6-dimethylbicyclo[4. 3. 0]nonane e. cis-6,8-ditert-butylspiro[3. 5]nonane f. 1,6-dimethylcyclohexene g. (Z)-3-bromo-4-fluoro-5-methyl-oct-4-ene h. (E)-8-(1-chloroethyl)nonadec-8-ene 2. Draw the structures of the following compounds: a b e c f d g h 3.Draw the structure of the following compounds in Newman projections and in chair conformations: a b c d e 4. Draw the most stable isomer of 1-tert-butyl-3-methylcyclohexane. a. Which atoms/groups are i. gauche to axial hydrogen on C2 A: t-butyl, C6, methyl, C4 ii. anti to equatorial substituent on C3 A: C5, C1 b. What is the relationship between: i. tert-butyl group and equatorial hydrogen on C2 A: gauche ii. equatorial hydrogen on C4 and C6 A: anti 5. Draw all isomers of 4-tert-butyl-2-ethyl-1-methylc yclohexane (ignore mirror images) in their most stable conformations.Arrange the structures from the least stable to the most stable. 6. Cyclohexylmethanol and 1-methylcyclohexanol are converted to their corresponding bromides. Write a suitable mechanism for each reaction, and assign each the appropriate symbol (SN1 or SN2). OH O H H Br H + :Br : SN2 :Br : O H H Br + H2O OH O H Br O + H2O + :Br : SN1 :Br : Br 7. Give the structure of the principal organic product formed by photochemical bromination of methylcyclopropane, draw the mechanism of the reaction. Br2, h? h? Br Br H . .Br Br Br Br 2Br . . + HBr Br + . Br
Tuesday, January 7, 2020
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