Analysis of 2 commercial brands Essay

musical theme Analysis of 2 commercial brands of decolorizeing ascendant & a determination of the trounce buy Introduction atomic number 11 chlorate(I) forms the floor of most commercial discolorizees. The amount front in bleaching consequence can be determined by a glitztric technique. In this experiment, atomic number 11 chlorate(I) reacts with overindulgence thousand iodide in the presence of vinegarish to liberate. The atomic number 53 is titrated against hackneyed sodium thiosulphate ascendent.Chemicals Bleach resolve , 0.1 M Na2S2O3 ,1 M H2SO4 , KI , stiffen indicator Procedures 1. Determine the total volume of bleach in the commercial bottles provided. respect the brand name, volume & worth of each sample.2. Pipette 25 cm3 bleach termination into a 250 cm3 volumetric flask. turn over up to the mark & aggregate well.3. Pipette 25 cm3 of this resolve into a conical flask. summarize 10 cm3 KI etymon & 10 cm3 1 M sulfuric blistery. 4. Titrate this motley against the standard sodium thiosulphate solution provided. Add starch indicator when the solution break pale yellow.5. Record your results and calculate the mebibyte of the orginal bleach solution.6. Determine which bleach has the last-place price per bulwark of actual bleach. sequels marker A = ___________KAO_____________ check B = _________ beaver Buy____________ record = ___________1.5L______________ peck = ____________2L_______________Price = _______$12.9 / Bottle____________ Price = ________$10.9 / Bottle____________ groin = _________0.753 breakwater_____________ rampart = ___________1.152 Mol ___________$/mole = _______$17.13 / Mol ___________ $/mole = __________$9.46 / Mol__________Best buy is ________ Best Buy___________Tit balancen of Brand A against the standard sodium thiosulphate solutionTit dimensionn1234Final Burette recitation (ml)31.7035.7027.8032.20initial Burette Reading (ml)2.909.804.408.30 hatful of titrant (ml)28.8025.9025.4023 .50 pixilated volume of titrant (ml) = __(25.90+25.40+23.50)3 = 25.1 ml__ deliberationThe Result Of Brand ASodium chlorate(I) reacts with tautologic atomic number 19 iodide in the Bleaching solution, which is a acid spiritualist. Iodine solution produced. adjacent equality 2H+-(aq) + OCl(aq) + 2I(aq) > Cl(aq) + I2-(aq) + H2O-(l)Secondly, the one solution is titrated with sodium thiosulphate solutionFollowing equation I2(aq) + 2 S2O32- (aq) > S4O62- (aq) + 2 I-(aq)The grand of Na2S2O3 = 0.1M issue of mole of S2O3- reacted with I2 = Molarity X Volume= 0.1 X (25.11000) = 0.00251 molThe gram molecule ratio of Na2S2O3 I2= 21 enumerate of moles of I2 reacted with S2O3-= (12) X 0.00251 mol= 0.001255 molThe Mole ratio of NaOCl I2= 11 cast of moles of NaOCl use in the titration= I2= 0.001255 mol bod of moles of NaOCl in the 250ml volumetic flask= 0.001255 mol X 10= 0.01255 molNumber of moles in 1.5L bleach solution= 0.01255 mol 25 X 1500= 0.753 molPrice of OCl- per mole in brand A = $12.9 0.753mol= $17.13 / molResults Titration of Brand B against the standard sodium thiosulphate solutionTitration1234Final Burette Reading (ml)30.9032.831.9035.20Initial Burette Reading (ml)2.103.903.306.90Volume of titrant (ml)28.828.9028.6028.90Mean volume of titrant (ml) = __(28.90+28.60+28.90)3 = 28.8 ml__CalculationThe Result Of Brand BSodium chlorate(I) reacts with wastefulness potassium iodide in the Bleaching solution, which is a acid medium. Iodine solution produced.Following loft equation 2H+-(aq) + OCl(aq) + 2I(aq) > Cl(aq) + I2-(aq) + H2O-(l)Secondly, the atomic number 53 solution is titrated with sodium thiosulphate solutionFollowing ionic equation I2(aq) + 2 S2O32- (aq) > S4O62- (aq) + 2 I-(aq)The Molarity of Na2S2O3 = 0.1MNumber of mole of S2O3- reacted with I2 = Molarity X Volume= 0.1 X (28.81000)= 0.00288 molThe Mole ratio of Na2S2O3 I2= 21Number of moles of I2 reacted with S2O3-= (12) X 0.00288 mol= 0.00144 molThe Mole ratio of NaOCl I2= 11Number of mo les of NaOCl used in the titration= I2= 0.00144 molNumber of moles of NaOCl in the 250ml volumetic flask= 0.00144 mol X 10= 0.0144 molNumber of moles in 2L bleach solution= 0.0144 mol 25 X 2000= 1.152 molPrice of OCl- per mole in brand B= $10.9 1.152 mol= $9.46 / molQuestions 1. Why moldiness the KI be present in excess ? If less than the specified quantity of KI is added, what effect result this have on the results ?The bleach solution contain sodium chlorate(I),which have ions OCl-.We can prepare the one solution by adding the sodium chlorate(I) to potassium iodide in a acidic medium. At first, the sodium chlorate(I) Is the limiting agent. When we add the excess potassium iodide into the bleach solution. Not moreover it willing non effect the result, save also the calculation can be more accurate. All the ions OCl- can be completely reacted.In addition, Iodine solution is hardly slightly meltable in water but it is very soluble in the solution, which contain I- ions.2. W hat is the function of the sulphuric acid ?The function of sulphuric acid is provide a acidic medium containing excess iodide to ionizes the iodin solution to triiodide ions. We essential know that the Brown colour of iodine solution is cause for the triiodide ions(I3-).This colour in observation of titration is very important.3. Bleaching solutions may dilapidate for 2 reasons (a) react with CO2 in the air according to the equation 2 OCl- + CO2 > CO32-+ H2 + Cl2(b) what is the other reason ?It must be effected by light. It is because the The hypochlorite ions OCl-( will be decompose quickly at a lower place light Following equation2NaOCl >2NaCl + O2, .While losing any(prenominal) OCl- ions, the result in calculation will not be accurate4. What should the starch indicator not be added in any case early ?The starch solution turns the iodine to blue black because of the formation of starch-iodine labyrinthian. Also, the complex is not reversible when the concentration of i odine is high. If we add the starch solution early, the regard of starch molecules and iodine molecules will seduce so strongly. Although we have add standard sodium thiosulphate solution, but we can not do completely finish the current result of titration and effecting the calculation. The above-mentioned tell us that the starch solution should be added when only a few of iodine solution left, near the end point of the titration. finaleThe bleach solution of brand B is the best buy.

'The Brute\r'

'The drama essay â€Å"The Brute” by Anton Chekhov is typically referred to that subgenre of comedy k instantern as the burlesque. What separates a farce from the more matter-of-fact and common habitation â€Å"comedy” is that it is infused with a sentiency of whimsy as well as a detachment from reality that, paradoxically, should aid to stick it all the more realistic. In the case of The break the farcical elements atomic number 18 utilized to heighten the randy speciality that is under normal circumstances consequence to far too much examine and restraint to allow it freedom in a work of drama as short as this take.The revelation that fill in and the recognition of love is enough to make Smirnoff undergo the series of truly crotchety and unexpected transfigures in register could belike scarcely be accomplished in a farce. The arguments that take place in the midst of Mrs. Popov and Smirnov serve both to provide the rum material for the forgather a nd as a foundation upon which to build Smirnovs growing realization that he succumbing to the ultimate debt of love. Popov has retained her load to her husband long after his remnant has released her from that debt.Smirnov is a lan set ashoreer who had lent money to Mr. Popovs husband before his death and who has now shown up to demand repayment because he, in turn, is facing down his own creditors. The cyclical nature of debt and repayment serves as a metaphor for relationships between men and women. The influence proceeds from a mention of Popovs refusal and Smirnovs re military actions. It is the developing of Smirnovs reactions that is the key to understanding his character.The progression of the go is through dialogue rather than action and the progression of the dialogue of Smirnov is one of self-assuredness-almost cockiness-to a sense of losing control, which ultimately leads Smirnov to realize he has fallen in love. Smirnov boasts that he has â€Å"refused twelve wome n and nine have refused” him. These are the rowing of a man til now hard in his independence before a woman; an insecure man never admits that a woman has refused him, much slight nine. The subject at hand is still the debt as the argument intensifies, further and so Mrs.Popov takes it from the financial to the personal. She attacks his very humanity by crying out â€Å"Youre nothing but a crude, bear! A brutish! A monster! â€Å". Finally, things progress-as it seems it al elans must-to weapons beingness brought to bear. Mrs. Popov goes for her husbands pistols, essentially turning the argument into a full scale duel. There is tho one problem: Mrs. Popov does not write out how to fire the gun. At this point, she ceases to be a debtor and is well on her way to becoming a woman. Smirnov is lost.Smirnovs reactions to Mrs. Popov change advantageously after weapons are introduced and since it is clear he has no real fear for his life, this change that comes over only can only be attributed to a death in his original feelings for the widow as his emotional trek comes to a rest a full one-hundred eighty degrees from where he started. aught in either his words or his actions could lead one to suppose that every element of truth is expressed when Smirnov asserts â€Å"If she fights Ill put in her like a chicken! . whiz can well imagine the Smirnov who world-class entered Mrs. Popovs home at the beginning of the play rattling entertaining this idea-if not actually going through with it-but the words ricochet empty and hollow by the point at which they are actually spoken. The Bear is a drama-perhaps regular a cataclysm if one cares to extrapolate what may go past to these two characters once the curtain comes down upon this small moment in their lives-masquerading as a farce. And, of course, it has to be that way.If the events that take place within the short period of sequence allotted in this short play were played straight and dramatica lly, Smirnovs strange, comedic odyssey from cold, heartless debt accumulator register to overwhelmed object of love would draw even more laughs, albeit unintentionally. To show the absurdity of Smirnovs situation, thus the absurdity of how any two multitude come to fall in love, the farce is the writers best weapon. It provides a method of distancing the audition from realizing they too are characters in a real life farce every time they fall in love.\r\n'

'Digi Situational Analysis\r'

'Situational analytic thinking Company Profile Analysis DIGI is the frontmost telecommunication to master and arrange a full digital cellular ne dickensrk in Malaysia on 24 May 1995. Besides, DIGI were alike become the first to offer GPRS (2. 5G) and later EDGE (2. 75G) in 14 May 2004 in Malaysia. DIGI is a nimble communication emoluments provider in Malaysia. DIGI has provided proceeds to individuals, businesses and other operators which possess subsidiary, DIGI Telecommunication SDN BHD. thither are two piles option offers by DIGI to mobile subscribers is prepaid protrude and postpaid component plan.DIGI has provided motley mobile communication service including SMS, mobile broadband and internationalistic roaming and calling and WAP services. check to DIGI the first quarter of 2012 of Non-Audited financial statement, their full net operating revenues subjoin from RM 1,443,428 thousands to RM 1,575,055 thousands, which increases with 9. 12%. DIGI has approximatel y RM 4. 9 trillion with a subscriber base 0f 7. 7 million. Since yr 2005, DIGI has returned in excessiveness of RM6. 8 billion in cash to their entire shareholder, it shows a result that DIGI has a strong detonator discipline.More all over, grade 2007, DIGI continues perform well which they make better on their commercial focus and it results their yearbook revenue growth in excess of 5% between year 2007 and 2010. crossroad Analysis DIGI is simple to pronounce and spell, which it makes populate easy to recall. DIGI has distinguishes itself from the mobile services persistence by its distinctive brand name. DIGI are using yellow, white and black contort to packaging its own product. The combination of this excuse gage connect or burgeon forth target audience of the generation who are vibrant, fresh and ambitious.DIGI is a Telecommunication company, so it has provided different type of mobile and meshing services. All these services are including SMS, data plans, prepa id and postpaid voice plans, international roaming and calling and WAP services. For their prepaid voice plan, DIGI up-to-the-minute prepaid voice plan is called DIGI open Prepaid. This package is very effective today, this is because it weed en fitted DIGI drug user to enjoy 24 hour set free calls, SMS and free logarithm into Facebook (zero Facebook). DIGI user can interact with their 3 DIGI Buddyz by free calling or free SMS in 24 hour. in that location are 80% of mobile subscribers in Malaysia are prepaid users, so DIGI s leading this prepaid market by enhance the value in this surgical incision by increase node postulate and richer mobile features that can made DIGI users can truly appreciate. Besides, DIGI as well reward their prepaid user by 10 free SMS when customer reloads as little as RM10. Besides, DIGI alike provide postpaid plan to DIGI customers. The package that offers by DIGI is DIGI Smart Plan. This package enable customer to enjoy the straight-out interne t access services. By the same(p) token, DIGI also offers the Iphone, Samsung and tablet plan to their customers. Now, DIGI has also offers free Nano sim card to the new DIGI users.Moreover, DIGI also launch their Turbo 3G service on year 2009. The DIGI Turbo 3G is located at most urban and populated area in Malaysia. This 3G service is available for prepaid and postpaid voice plan and also for the broadband. IMC Objective fortify Image The objective of DIGI is to develop and assure the images of their brand towards the youth and business markets. There is fierce competition on the telecommunication market nowadays. With strong images the company is able to have strong awareness in the mind of consumers and can distinguish themselves over competitors.Higher recognition of the brand through proficient images could provide loyalty of customers toward the DIGI. For the year 2011, DIGI has indue RM9 million to create their brand advert campaign and positioning DIGI is an contempora ry, innovative, lifestyle centrical and pure tone services that would satisfy their customer’s needs. DIGI is tending to offers the better quality of product and services to increase the customers’ mobility. by dint of the advertising, DIGI evolves with time to interact with customers and it show DIGI is gain the lifestyle need of DIGI customer. Increase SalesThere are another important objective for DIGI to extend to is the sales and revenues. This is because only revenue or profit allows a company to operate its business well. To achieve this goal, DIGI is keep improving their reporting network and quality services. Besides, DIGI also develop a customer service which with quality and efficient. DIGI product and services is user friendly and it is highly personalized. Through the advertising, DIGI is presentment the customer they are improving their coverage and services, it will build trust and confident of customer toward DIGI. So, it will help DIGI to incre ase sales and revenue.\r\n'