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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LS Separation of Mixtures and Solids Purpose: To become familiar with the separation of mixtures of solids Hypothesis: I will be able to separate the materials using a variety of different methods. First‚ separate the iron fillings using a magnet. Second‚ I will put the rest of the solution into water and separate the insoluble sand from the soluble salt and benzoic acid. Third‚ I will filter out the benzoic acid when crystalized. Lastly‚ I will evaporate the water away leaving crystallized
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Tutorial 1: Atomic Structure and Bonding in Solids 1. (a) Cite the difference between atomic mass and atomic weight. (b) Silicon has three naturally-occurring isotopes as shown in the table below. On the basis of this data‚ confirm that the average atomic weight of Si is 28.0854 amu. |Silicon Isotope |Natural Abundance |Atomic mass of | | | |isotope (amu) | |28Si |92.23 % |27.9769 | |29Si
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sides of each of the two polygons if the total number of sides of the polygons is 13‚ and the sum of the number of diagonals of the polygons is 25. Assume: 8 and 5 D1= n2(n-3) n=13 D1= 82(8-3) D=25 D1= 20 D2= n2(n-3) D2= 52(5-3) D2= 5 Answer: The number of sides in each polygon is 8 and 5 #17. What is the name of a regular polygon that has 90 diagonals? Given: D = 90 Required: Name of regular polygon D = n2 (n-3) -n2 + 3n
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Class 4 – Flammable Solids Division 4.1 – Flammable Solids are: • Wetted explosives that are Class 1 explosives when dry‚ that are sufficiently wetted to suppress explosive properties. • Self-reactive materials that are thermally unstable and can undergo strong exothermic decomposition even in the absence of oxygen. Readily combustible solids that can cause fire through friction‚ such as matches. Powdered‚ granular or pasty materials must be classified as Division 4.1 when the time of burning of
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The Solid State General characteristics of solid state: Definite mass‚ volume and shape Short intermolecular distances Strong intermolecular forces Fixed lattice positions of the constituent particles Incompressibility and rigidity Classification of the solid state: Crystalline Amorphous (sometimes called pseudo solids or super-cooled liquids) Differences between the crystalline and amorphous solids Crystalline Have definite characteristic geometrical shape Melt at a sharp and characteristic temperature
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5 Reasons Why Solid State Drives are Safer Solid State Drives is the new technology behind storage capacity be it in computers‚ PCs‚ and pretty much anything that utilizes 0’s and 1’s‚ nowadays. Compared to HDD (Hard Disk Drives)‚ they surpass this old age technology at every aspect‚ from performance to life expectancy. However‚ SSDs are more expensive too in that respect‚ but considering all the advantages‚ the hefty price tag is a small price to pay‚ especially if you have data that is so crucial
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This paper is a full determination for certain chemicals and their boiling points. It lists some already but given the atomic numbers of any material this project includes a conversion and calculation chart to find the freezing point of most any material. GOOD LUCK! Abstract: In this lab we determined the freezing point‚ and Kf‚ of pure 2‚4‚dichloralbenzne as well as a 2‚4‚dichloralbenzne/biphenyl solution. We used this information to determine the molar mass of an unknown (#24) by the 3rd step
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blend into a new‚ virtuous community. The exact term "The Melting Pot" came into general usage in 1908‚ after the premiere of the play “The Melting Pot” by Israel Zangwill. The melting pot is a theory used to describe the American society in its first years. In the very beginning‚ the settlers in the “New World” had to create a totally new nation from many different origins and the proximate result of this situation was the birth of the melting pot theory. The idea behind it is that every immigrant
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The Separation of a Liquid Mixture by Simple Distillation Objective The purpose of doing this experiment is to separate two miscible liquids samples of cyclohexane and toluene using simple distillation. The objectives will be to record boiling range and volumes (mL) of distillates that are attained during the process of distillation. Background Distillation is a frequently used technique for separating mixtures based on differences in the boiling points of components in the mixture. The
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