For the unknown light source‚ it had almost every color‚ so it might have been be mercury because they have similar color beams and their color from the naked eye appeared as purple‚ which mercury‚ a light blue‚ is very close to in terms of it’s color on the spectrum. For the unknown flame crystals‚ it may NH4+ because the colors that appeared are very similar to the crystals. Next‚ chemicals have to be heated in the flame for the color to emit because heat adds energy to the substance making the
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DETERMINATION OF ZINC AND NICKEL CONCENTRATION BY (1) ION-EXCHANGE CHROMATOGRAPHY FOLLOWED BY CHELOMETRIC TITRATION‚ AND BY (2) ATOMIC ABSORPTION SPECTROSCOPY OF THE MIXTURE Experiment 4 Dates of Experiment: 10/14/08 through 10/30/08 Date of Report: 11/7/08 Chem 2262L � I. Introduction In this experiment‚ the zinc and nickel contents of unknowns were tested using two methods. In the first method‚ nickel and zinc were separated through ion-exchange chromatography and analyzed through chelometric
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The history of rape is a long one‚ filled with horrible instances and medieval beliefs that continue to the modern day. Rape and sexual assault were -and sometimes still are- seen as a normal practice in underdeveloped or war-torn countries. The rape of female civilians was a normal practice for years throughout many wars around the world‚ as well as during colonization or conquest of new lands. The native people in the Americas were targeted profusely during the “discovery” of the “new world”‚ and
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Museums are a perfect way to represent what history has unfolded for the public’s eye. Consideration needs to be made when a person is shopping for fragments of history such as arts or artifacts. A main consideration is profit; however‚ there are consequences if the museums does not make enough money. If a museum does not make enough money‚ this could suggest that people are not interested in taking tours throughout the museums anymore‚the new age of technology is taking over. What happens after
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The phenomenon of bullshit jobs brought up some interesting points on society that resonated with me and led me to think the only solution to all these problems is a global revolution. In the article‚ David Graeber points out that jobs have been created that are effectively pointless and that because of this people end up being disenchanted with their lives and society that results in “a scar across our collective soul.” This scar is formed from people who go to their 9-5 jobs mainly as a means
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If a person were to look up the definition of freedom in the dictionary‚ they would find‚ “being free; esp.‚ a) independence.” However‚ freedom has many meanings that differ from one another. One could say freedom is the ability to make choices in life that are beneficial to a person’s desires and have their own opinions about anything they want. It can be represented through actions and attitudes. For example‚ a person who is free can make their own decisions about anything they want. Being able
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For over the past several years each student is given 3 containers‚ each with 1 larva‚ which they had to care for. After the larvae had formed their chrysalises each student put 1 of their containers into a cold climate approximately 45°F‚ 1 in a warm climate approximately 85°F and 1 stayed out at room temperature approximately 72°F. The larvae spent a total of 5 days in each climate‚ and then they were removed and brought back to room temperature. Then the waiting game started to see how long it
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Teens are spending over one-third of their day using online videos and music. When adolescents spend that much of their time listening to music‚ it is bound to have an effect on them. Certain music lyrics have a negative influence in a teenager’s life. Music can affect teenagers ever-changing emotions‚ cause dangerous thoughts especially to those who are already alienated‚ and cause women to become de-sensitized to being treated poorly. Music can easily affect teenagers’ delicate emotions in a troublesome
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The roots of honor codes can be traced back to the first founding universities in America. While not an official school requisite‚ many institutions of higher education have embraced them to promote honesty and integrity within their school community. At my own school‚ Saint Mary’s College High School‚ the honor code even goes so far as to lay out possible punishments of suspension and expulsion for those who do not comply. However important the school’s administration views the honor code‚ I support
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One of the most prominent social constructs that has been in place since the Mayan civilization is that of time‚ which has gone on to become one of the most integral parts of human life. Ever since the creation of a standard time system‚ people have been searching for ways to save time in the hustle and bustle of their everyday lives in order to get the most time that they can out of one day. One such method that has been implemented around much of the world is that of Daylight Savings Time‚ or DST
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