lamberts law and briefly explain why absorbance has no units. In Spectroscopy‚ Beer-Lambert’s Law describes the quantitative relationship between the absorbance of light energy‚ the concentration of the sample solution and the length of the path through the sample. This means that the amount of light at a given wavelength which is absorbed by a solution is proportional to the concentration of the solution. Thus: A= εcl A – measured absorbance ε – wavelength dependent
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Sampling Techniques Worksheet For each description of sampling‚ decide if the sampling technique is A. Simple Random B. Stratified C. Cluster D. Systematic E. Convenience 1. In order to estimate the percentage of defects in a recent manufacturing batch‚ a quality control manager at Intel selected every 8th chip that comes off the assembly line starting with the 3rd‚ until she obtains a sample of 140 chips. 2. In order to determine the average IQ of ninth-grade students‚ a school psychologist
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personal interview. An interview is a conversation with a purpose between two persons or groups of persons. They are done not only for the purpose of recruitment or selection for a post‚ but also to gather information from someone important. Even through it is a two-way traffic‚ it is mostly seen that the employed is the one who asks questions and the interviewee is supposed to reply. Different purposes of a personal interview are – to rate a candidate for his physical appearance‚ education achievement
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3 planning techniques adopted for planning the business strategy are: Boston Consultancy Group Matrix. According to the BCG matrix‚ companies’ business units can be categorized into 4 categories. These categories are based on the amalgamations of market share and market growth relative to the biggest competitor. Based on BCG matrix‚ it is very good for the company when its products have large market share or the product’s market is growing very fast. The Boston Consulting Group Portfolio Matrix
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THE FIVE YEAR PLAN The economy of India is based in part on planning through its five-year plans‚ which are developed‚ executed and monitored by the Planning Commission of India. The eleventh plan completed its term in March 2012 and the twelfth plan is currently underway.[1] Prior to the fourth plan‚ the allocation of state resources was based on schematic patterns rather than a transparent and objective mechanism‚ which led to the adoption of the Gadgil formula in 1969. Revised versions of the
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secret message from a third party. The most popular modern application of steganography involves concealing messages within least significant bits of image or sound files. Another application of modern steganography is a steganographic file system. Steganography is also used by some modern printers‚ where tiny yellow dots that contain encoded printer serial numbers‚ as well as other information‚ are added to each printed page. I chose modern steganography as a topic for my course paper primarily
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Behavior Parent Training on Fathers Parenting The Behavioral parent training programs have been developed to address child behavior problems through improvement in parenting practices. The triple P or Positive Training Program is widely reported as an effective‚ evidence based program for parents. However this journal demonstrates that there are significant differences in the program’s effectiveness for mothers and fathers. The analysis on this journal demonstrates that The Positive Parenting
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with so much technology accessible‚ with countless applications‚ games and websites providing challenges and entertainment - 24 hours a day‚ seven days a week and 365 days a year. For many Gen Y and Z’ers‚ it is impossible to imagine searching through countless stacks of books‚ scouring pages for snippets of information to complete assignments and homework. Today we are lucky enough to open up an Internet tab and Google or Yahoo away and in less than a second we are handed copious amounts of relevant
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scientists and engineers‚ although most social scientists who study technology reject this definition.[5] More recently‚ scholars have borrowed from European philosophers of "technique" to extend the meaning of technology to various forms of instrumental reason‚ as in Foucault’s work on technologies of the self ("techniques de soi"). Dictionaries and scholars have offered a variety of definitions. The
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Advantages of modern agriculture During the latter half of the twentieth century‚ what is known today as modern agriculture was very successful in meeting a growing demand for food by the world’s population. Yields of primary crops such as rice and wheat increased dramatically‚ the price of food declined‚ the rate of increase in crop yields generally kept pace with population growth‚ and the number of people who consistently go hungry was slightly reduced. This boost in food production has been
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