Mixture Melting Points Abstraction Determining the melting point is very significant in order to identify an unknown. In this experiment‚ measuring the melting point was done by using melting point apparatus. The melting point of the unknown sample #10 was 111.5˚C. There were two possible compounds which were dibenzoyl ethylene and o-Toluic acid because their melting points were 111.2˚C and 109.8˚C when each compound was mixed with the unknown. Therefore‚ the unknown #10 was dibenzoyl ethylene
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used material‚ but this could be more dangerous due to residue of the chemical in the new items. However‚ the things that we already used should not be around to recycle for several reasons. In this essay‚ I am going to talk about three weaknesses of recycling. Firstly‚ I will start with the argumentative‚ and then analyze emotional appeal. The first reason is that the processes of recycle costs are very high. For many years‚ people always hear that paper‚ plastic‚ aluminum should be recycled. When
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Argumentative Essay Braden Rawson Social Networking or the use of specific websites or applications to interact with other users is one of the many key and driving factors today in our world. We find ourselves lost for many minutes or possibly hours at a time on any particular app or website. Looking deeper into the issue of social networking and its impact on our life‚ I highly doubt we have accomplished anything at all. A very smart man once said‚ “Time is money.” If that quote is true do we
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Argumentative Essay In this essay you will have to demonstrate knowledge of the artist‚ the times‚ the weather and climate‚ and the particular cloud forms or optical or meteorological phenomena (e. g.‚ rainbows‚ precipitation‚ floods‚ wind‚ tornadoes‚ glaciers‚ sand dunes‚ vegetation‚ land forms‚ etc.). Your primary reading reference should be my text. Everything (writing with references and figures) should be put into a single Powerpoint Presentation. Deadline for choosing a topic: Tuesday‚
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ARGUMENTATIVE ESSAY Only those aged 21 and above should be allowed to drive. I am disagree with the statement of “only those aged 21 and above should be allowed to drive”. A driving licence is required before a person is allowed to drive a motor vehicle of any description on a road. In Malaysia and some other countries‚ the legal driving age is 17 years old. Even me‚ as an 18 years old teenager‚ I already have my own driving licence. There are some reasons why teenagers under age of
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Rasheed Walker 3/3/15 English III Argumentative Essay Malcolm X expressed the pent up anger‚ frustration‚ and bitterness of African Americans during the major phase of the civil rights movement. According to Learning to Read‚ “I believe it took me a day. Then‚ aloud‚ I read back‚ to myself‚ everything I’d written on the tablet. Over and over‚ aloud‚ to myself‚ I read my own handwriting.” (Paragraph 8) This means that he basically read his own handwriting. In Malcolm X’s‚ Learning to Read‚ he
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Argumentative essay By: Hussain Alkadhimi Should the same laws which prohibit the sale and consumption of heroin be applied to tobacco? Do you think that tobacco should have the laws as heroin; this includes sale prohibition and consumption. Well in the next paragraph I will express myself to why I think that tobacco should be illegal. Tobacco has many advantages and disadvantages. Although tobacco is addictive it has some advantages both for the smoker and the workers‚ these advantages are
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Lab/ Chem 234 02/17/13 Lab 2: Melting Points Purpose: To determine the purity of a substance using melting point as physical property. We must also learn how to identify an unknown compound using its melting point. We got to identify an unknown compound using mixture melting point and finally we must learn to obtain an accurate melting point using Mel-Temp apparatus. Procedure: Set voltage to obtain the desired heating rate at the anticipated melting point range. The voltage control controls
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Argumentative essay - Separate-Gender Classes in Co-Ed School is the best solution to the situation · Defend solution Nowadays‚ many parents are worrying about the amount of distractions that exist in co-ed schools‚ which directly affect their children’s academic performance. I propose: Assigning students in Single-Sex School Allocating all girls in one classroom and all boys in another‚ while they are in the same school. Defend on 2nd solution. And here is my argument. Nowadays
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College Writing December 3‚ 2013 Argumentative essay (Deer Hunting can be a good thing) Hunting has always been around‚ even as early as the Prehistoric Era. Men in these times had to hunt to provide food and warmth for their families. Throughout the years hunting has become looked upon negatively by many people in society. In all aspects; for example animal cruelty and gun control. Along with the many people who do not agree with hunting‚ there is also a great amount of people who think it is
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