Beer's law

(noun)

Relates the attenuation of light to the properties of the material through which the light is traveling.

Related Terms

  • systematic errors
  • absorbance

Examples of Beer's law in the following topics:

  • Experimental Determination of Reaction Rates

    • If we know the order of the reaction, we can plot the data and apply our integrated rate laws.
    • The absorbance is given by Beer's law:
    • By Beer's law, the absorbance of the solution is directly proportional to the concentration of the C60O3 in solution, so observing the absorbance as a function of time is essentially the same as observing the concentration as a function of time.
    • In this case, the rate law is given by:
    • As discussed in a previous concept, plots derived from the integrated rate laws for various reaction orders can be used to determine the rate constant k.
  • US commercial centers, trade intermediaries, and alliances

    • They have commercial law information and trade promotion facilities, including the facilitation of contacts between buyers, sellers, bankers, distributors, agents, and government officials.
    • Heineken, the premium Dutch beer, is consumed by more people in more countries than any other beer.
    • Melcher, "Heineken's Battle to Stay Top Bottle," Business Week, August 1, 1998, pp. 60-62. ) It is also the number-one imported beer in America.
    • Miller and Budweiser, the two largest American beer producers, have entered into global competition with Heineken, partly because the American beer market has been flat.
    • Heineken has also begun developing an alliance with Asia Pacific Breweries, the maker of Tiger Beer.
  • Early Biotechnology: Cheese, Bread, Wine, Beer, and Yogurt

  • Clearing the Market at Equilibrium Price and Quantity

    • A textbook example of a monopoly was the Da Beers family, who owned the vast majority of diamond mines worldwide.
    • Through effectively controlling the diamond market supply (via owning the mines), and warehousing the diamonds in a way to substantially alter the available supply, it became reasonably easy for Da Beers to charge prices in excess of what a reasonable equilibrium would be.
    • This definition requires a variety of assumptions which simplify the complexities of real markets to coincide with a more theoretical framework, most centrally the assumptions of perfect competition and Say's Law:
    • Say's Law hinges on the concept that capital loses value over time, or that money is essentially perishable.
    • The simplest way to view this law is interest rates.
  • Resource Control

    • A classic example of a monopoly based on resource control is De Beers .
    • De Beers also purchased and stockpiled diamonds produced by other manufacturers in order to control prices through supply.
    • The De Beers model changed at the turn of the 21st century, when diamond producers from Russia, Canada, and Australia started to distribute diamonds outside of the De Beers channel.
    • De Beers' market share fell from as high as 90 percent in the 1980s to less than 40 percent in 2012.
    • For most of the 20th century, De Beers had monopoly power over the world market for diamonds.
  • Prohibition

    • Effective enforcement of the ban proved to be difficult, however, and led to widespread flouting of the law, as well as a massive escalation of organized crime.
    • A total of 1,520 Prohibition agents from three separate federal agencies – the Coast Guard Office of Law Enforcement, the Treasury Department/Internal Revenue Service Bureau of Prohibition, and the Department of Justice Bureau of Prohibition – were tasked with enforcing the new law.
    • The beer that could be legally consumed was essentially a very weak mixture.
    • Roosevelt signed an amendment to the Volstead Act known as the Cullen-Harrison Act, allowing the manufacture and sale of light wine and "3.2 beer", referring to 3.2% alcohol content.
    • Upon signing the amendment, Roosevelt made his famous remark: "I think this would be a good time for a beer."
  • The Prohibition Movement

    • Private ownership and consumption of alcohol were not made illegal under federal law; however, in many areas, local laws were stricter, with some states banning possession outright.
    • Millions could be made by taxing beer.
    • On March 22, 1933, President Franklin Roosevelt signed an amendment to the Volstead Act, known as the Cullen–Harrison Act, allowing the manufacture and sale of 3.2% beer and light wines.
    • Upon signing the Cullen–Harrison Act, Roosevelt made his famous remark: "I think this would be a good time for a beer."
    • Some researchers contend that its political failure is attributable more to a changing historical context than to characteristics of the law itself.
  • Other Barriers to Entry

    • For example, De Beers controls the vast majority of the world's diamond reserves, allowing only a certain number of diamonds to be mined each year and keeping the price of diamonds high .
    • There are cases in which a government agency is the sole provider of a particular good or service and competition is prohibited by law.
    • For example, in many countries, the postal system is run by the government with competition forbidden by law in some or all services.
    • De Beers controls the majority of the world's diamond reserves, preventing other players from entering the industry and setting a high price for diamonds.
  • Wine, Beer, and Alcohol

    • Beer is the most consumed alcoholic beverage in the world.
    • The process of making beer is called brewing.
    • Beer brewing in modern days is performed by added pure cultures of the desired yeast species to the wort.
    • Additional yeasts species that are used in making beer are Dekkera/Brettanomyces.
    • Explain why microorganisms are used for beer, wine, and sake production.
  • Early Biotechnology: Cheese, Bread, Wine, Beer, and Yogurt

    • Some of the earliest biotechnology used prokaryotes for the production of food products such as cheese, bread, wine, beer, and yogurt.
    • Some of the products are as simple as cheese, bread, wine, beer, and yogurt,which employ both bacteria and other microbes, such as yeast .
    • Records of brewing beer date back about 6,000 years to the Sumerians.
    • Some of the products derived from the use of prokaryotes in early biotechnology include (a) cheese, (b) wine, (c) beer and bread, and (d) yogurt.
    • Discuss the origins of food biotechnology as indicated by the production of cheese, bread, wine, beer, and yogurt
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