solids is done by observing the melting point. This is important because if there is an impure substance the melting point would be depression and the melting range would be broader. By finding the melting point of a known substance one can then observe an unknown substance’s melting point to see if the points are the same and try to figure out the unknown. Experimental Section: The first known substance we used was Biphenyl. 68 degrees Celsius is the known melting point. We used the capillary
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motion and heat transfer during melting and solidification of a pure metal {gallium) on a vertical wall. The measurements of the position of the phase-change boundary as well as of temperature distributions and temperature fluctuations were used as a qualitative indication of the natural convection flow regimes and structure in the melt during phase transformation taking place in a rectangular test cell heated or cooled from one of the vertical walls. For melting‚ the measured melt volume and heat
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“7th grade” and “Melting pot” Every story has a conflict. Some stories the conflict could be internal which means they take place in the character’s mind. In “7th grade”‚ The conflict would be Internal because Victor wants to impress Teresa. Other stories could have an External conflict‚ which basically means that it happens amongst a few groups of people. In the “Melting Pot”‚ the conflict would be external because everyone who lives in the narrator’s neighborhood hated each other. In “7th grade”
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MIP experiment on the melting temperature of different polymers 8.1 Compare and comment on the results obtained. LDPE has the lowest average melting temperature (103.6°C) out of the 4 polymers. It is because LDPE is a linear polymer that has a branched structure which is able to expel the applied heat faster through the “branches” and melt faster. HPDE has the second lowest average melting temperature (139.5°C) out of the 4 polymers. Unlike LDPE‚ HDPE does not have a branched structure and the
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Experiment 2&3 Recrystallization and Melting Points Determinantion of Benzoic Acid Abstract In experiment 2‚ recrystallization was used to purify the crude benzoic acid extracted from a mixture during experiment 1. Then a percent recovery for this recrystallization process was calculated. In experiment 3‚ the melting point ranges of the crude and purified benzoic acid were both determined by using Melt Temp Apparatus. Introduction Recrystallization is a purification technique for non-volatile
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another‚ either through geographical proximity‚ migration‚ conquest‚ trade and exploration‚ or in other ways‚ will start to syncretize aspects of each culture. A melting pot is a metaphor for a society where many different types of people blend together as one. America is often called a melting pot. Brazil is a melting pot‚ the most authentic melting pot in the entire World. Brazilian culture is a mix of cultures from other parts of the world‚ it’s impossible to talk about Brazilian culture without the
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a diverse range of people in New York City that one could lose themselves by turning the wrong corner and end up being in a place like Chinatown‚ where they still wouldn’t believe that they are in America. New York City has been referred to as a “melting pot” of different cultures. Kwame Appiah‚ a philosopher and writer‚ states in his work‚ “Cosmopolitanism: Ethics in a World of Strangers” that‚ “Because there are so many human possibilities worth exploring‚ we neither expect nor desire that every
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different backgrounds who exhibit strong loyalty towards Canada‚ while still preserving their cultural heritage. This is contrasted to the American ideal of the "Melting Pot"‚ which attempts to shape all of their citizens into a set mold. Canada’s philosophy is believed to be more effective and respectful than that which is possessed by our American neighbours. The following will discuss the advantages and disadvantages of both approaches‚ and analyze the impact of the structures on each country’s
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practically impossible to locate one city which embodies American diversity. A colony started by the French was the first area to fully integrate culture and religion. The city of New Orleans‚ now prosperous from its diversity‚ epitomizes the "American Melting Pot". It is complicated to relate such different backgrounds‚ but with an overview of history‚ culture‚ religion‚ and integration on a small scale‚ a reader is capable of applying the values to the American culture as a whole. In 1699 the first
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Our Identity is shaped by our relationships Good morning/afternoon everyone‚ my name is Jessica Holmes and I’m coming from the VCAA education department. I’m here today to talk to you about how‚ “our identity is shaped by our relationships”. When I say relationships‚ I don’t just mean boyfriend/girlfriend relationship‚ I’m also talking about family‚ friends and other relationships. I’m talking about identity since it’s your context writing theme for year 12. Our family is huge in determining
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