7/16/12 Heat of Fusion Heat of Fusion for Ice Introduction: This lab report is a step by step process in calculating the heat of fusion for ice and to compare the differences between salt added to room temperature water and salt added to icy water. To calculate heat of fusion‚ one must understand heat of fusion. Heat of fusion is the amount of heat required to convert a mass of a solid at its melting point into a liquid without an increase in temperature. As difficult as this may sound‚
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Contents ERD (Entity Relation Diagram) 2 2.1 History of ERD 2 2.2 Building Blocks 2 2.2.2 Relationship 2 2.3. Diagramming Conventions 3 MS ACESS TABLE 5 3.1 Parts of Table 6 3.2 Creating Tables in Access 6 Chapter No 2 ERD (Entity Relation Diagram) 2.1 History of ERD An entity-relationship model (ERM) is an abstract and conceptual representation of data. Entity-relationship modeling is a database modeling method‚ used to produce a type of conceptual schema or semantic data
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Entity Relationship Diagram The bellow diagram is what is refered to as an "Entity Relationship Diagram". Its purpose is to show the relationship between different data in the hotel management program ‚ and the actions that are performed on it. And how data from different objects relate to each other. Legend The Data Entities represent data that will need to be stored on the system‚ in general terms. The Relationships represent actions that will occur to the Data Entities‚ or Weak Entities.
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Poetry Analysis My two poems for my poetry analysis are “Fire and Ice” and “Let me not to the marriage of true minds”. The poems are written in two different time periods by unlike authors. Having two dissimilar poems help show how the authors used different techniques to connect with their audience. The author’s use of style‚ form‚ sound‚ and literary techniques help show their different techniques. “Fire and Ice” was written by Robert Frost in 1923. This was the modern time period. The sound
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offspring have the same genotype ratio as their parents. This example was one of Hardy-Weinberg equilibrium. The next generation will express the same genotype ratio as their parents‚ and so on. But what exactly is needed to create Hardy-Weinberg equilibrium? (Basically‚ a population in Hardy-Weinberg equilibrium s not evolving in any way.) Five specific factors are needed to create Hardy-Weinberg equilibrium within a population- a very large population‚ isolation from other populations‚ no net mutations
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Ice Ice Baby‚ Under Pressure In 1981‚ Queen released a song featuring David Bowie title “Under Pressure.” The song was a huge success and was recently listed as VH1’s 31st best song of the 1980’s. 11 years later in 1991‚ Vanilla Ice recorded “Ice Ice Baby‚” which was so popular it ended up being the 1st rap song to ever reach #1 on the billboard top 100. Why was the song so popular? It had an infectious beat that sounded so new‚ yet so familiar. A few months later Vanilla Ice was approached by
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6 Pg 305 2. What is a data flow diagram? Why do systems analysts use data flow diagrams? Answers: A picture of the movement of data between external entities and the processes and data stores within a system. Systems analysts use DFDs to help in the analysis phase by accomplishing the following three things: 1. Requirements Determination 2. Requirements Structuring 3. Alternative Generation and Selection 3. Explain the rules for drawing good data flow diagrams. Answers: Process: A. No process
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The market is a place where buyers and sellers come together to make a business transaction. This market can be anything from the New York Stock Exchange to a roadside farmer’s stand‚ all of these markets are made up of both supply and demand schedules. Both supply and demand are affected by determinants that either shift the lines right or left or cause movement along the line. The point where the two lines intersect is the Equilibrium‚ the equilibrium point is simply it is where quantity demanded
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What is water? Water is made up of two hydrogen atoms‚ and one oxygen atom. When these atoms come together‚ they form a strong bond that can’t be broken. What is Table salt? Sodium chloride Designed for cooking Has many ingredients 1. Potassium iodine- stabilizer 2. Glucose (sugar) - prevent the potassium iodine from breaking down. 3. Calcium silicate- anti-caking additive What at Sea salt? Used for cooking and cosmetics A natural form of salt
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Physics lab:9 Equilibrium of parallel force 11/09/2012 By: Camilo Salazar Jillian Ellis Purpose: To understand the conditions need for a rigid body to be in equilibrium when there are forces acting on the body from different sides. Theory: When force is applied on a rigid body for example a ruler it can either be in equilibrium or it can be unbalance. When the force is unbalance what would happen is this motion the body can be either translational or rotational. “A body in translational
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