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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involves a winner. There is always a good and bad side and one of them has to come out on top. In these two stories‚ “7th grade” and “The Melting Pot”‚ each have a winner or a resolution to the problem or conflict either an external or an internal. In “Seventh Grade”‚ the type of conflict is internal‚ because of all the sequences happening in Victor’s mind. In “The Melting Pot” the conflict is external because of all the sequences happening between the people of the town. In the story “Seventh Grade”‚ The
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The melting pot or salad bowl. From foreign shores. 1. In what way is the history of the United States different from that of other nations? The history of U.S is different from other nations because it’s one of continual immigration from all continents‚ and opposed to most other nations it’s a very young one‚ but only if we counts from Columbus’ discovery. Asians had already discovered and inhabited America‚ when Siberia and Alaska where still connected‚ these people are called the Native
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How to Make Glue from Sap Glue made from sap is called "pitch glue." American Indians used pitch glue that they made from materials available in nature‚ to make tools and waterproof items. Pitch glue differs from conventional glue that is available in stores today. It has a tar like consistency and molds like putty. The glue must be melted before use if a liquid consistency is desired. Different tribes had their own recipes for making pitch glue‚ where they added ingredients to make the glue more
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The Melting Pot Throughout the entire book of “The Mangy Parrot”‚ Lizardi composes many daily aspects of life of different social groups that made the society of Mexico turn around‚ so to speak. Some of the social groups that stuck out and helped made this happen were the middle class artisans‚ women‚ and the bureaucrats. During the course of this paper‚ I will cite examples of how Lizardi uses each of the social groups I have listed that portrays obstacles to a just and prosperous Mexico and
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These are the way you could consider me as a FOB(Fresh off the boat-also a television series): I can only recite the alphabet If I started from A There are many words such as‚ “subtle” that I pronounce wrong and it usually results in my friends trying to correct me Whenever it comes to math‚ I do the mental math in chinese because I can’t recite the multiplication table in English I drive all the way to Rockville town center just to buy bubble tea Instead of using the dryer‚ I use the clothe hangers
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All the King’s Men Commentary #1 We left the bay‚ and lost the salt‚ sad‚ sweet‚ fishy smell of the tidelands out of our nostrils. We headed north again. It was darker now. The ground mist lay heavier on the fields‚ and in the dips of the road the mist frayed out over the slab and blunted the headlights. Now and then a pair of eyes would burn at us out of the dark ahead. I knew that they were the eyes of a cow-a poor dear stoic old cow with a cud‚ standing on the highway shoulder‚ for there wasn’t
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Our strategy map for the Glacier Inn focuses on the four main dimensions of a business: a financial perspective‚ a customer perspective‚ an internal process perspective‚ and a learning and growth perspective. Each dimension plays a critical part in establishing a strong unified culture‚ and documents the primary objectives within the organization. For 2004‚ Glacier Inn has two main goals: to increase profitability and cash flow. The map outlined in Appendix A demonstrates how we will use these
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Tuba Khan Professor Dale‚ Stanley BIO 101 May 2014 Glaciers and Risen Sea Level The article‚ Antarctic glacier melt is unstoppable‚ tells us that glaciers located in the West Antarctic have entered the state of extreme meltdown. Researchers have collected twenty years of data imagery of several glaciers in the Antarctic which show the ice disintegrating into the water. Consequently‚ scientists predict this will cause the increase sea levels to increase. So as the article states‚ it is
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Title: Separating the components of “Panacetin” Name: Ip‚ Wing Chung (Vincent) Lab Partner: Ma‚ Siyin Date: 2/3/2013 Introduction: The purpose of this experiment is to investigate the composition of compounds in Panacetin. Generally‚ it is made up of sucrose‚ aspirin and an unknown component‚ either acetanilide or phenacetin. SinceBy using different techniques‚ such as filtration‚ extraction‚ and evaporation‚ those three components have been isolated out‚ which is based on varies solubility
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