and 2 ------------------------------------------------- Assignment 2012/2013 – Semester 2 ------------------------------------------------- B. Com (Major in Banking and Finance) – Year III ------------------------------------------------- Ratio Analysis Report ------------------------------------------------- Student: Kevin Galea 205891 (M) ------------------------------------------------- Lecturer: Dr. Emanuel Camilleri Introduction The purpose of the following report is to aid
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Diffusion of innovation and persuasion Diffusion‚ What is it? “Diffusion is the process by which an innovation is communicated through certain channels over time among the members of a social system.” “Diffusion is a special type of communication concerned with the spread of messages perceived (or understood) as new ideas” 2 Main Elements of Diffusion 1. 2. 3. 4. An innovation Channels of communication The spread and speed of the idea over time The social network and individuals who
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Diffusion‚ Osmosis‚ Active Transport There are two ways in which substances can enter or leave a cell: 1) Passive a) Simple Diffusion b) Facilitated Diffusion c) Osmosis (water only) 2) Active a) Molecules b) Particles Diffusion Diffusion is the net passive movement of particles (atoms‚ ions or molecules) from a region in which they are in higher concentration to regions of lower concentration. It continues until the concentration of substances is uniform throughout. Some major examples of diffusion
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Volume‚ also referred to as dynamics‚ is one of the most important components of sound. Composers use volume as a way of controlling the emotional content and shape of a piece. It is interesting to note‚ however‚ that early composers did not generally mark their scores with instructions about volume until well into the 17th century‚ but depended upon the musicians to determine the appropriate levels of volume for a specific performance space. Composers started writing indications for dynamic levels
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1 Diffusion is the movement of molecules (or ions) from a high concentration to low concentration. Diffusion is form of passive transport as energy does not need to be generated. Diffusion is complete when the concentration of molecules is equal on either side of the membrane. Diffusion rate can be influenced by many factors such as: Concentration gradient across the the membrane. Permeability of the membrane to the diffusing substance. Temperature. Surface area of the membrane. Question 2 2.1
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Biology Lab #1: Chemical Diffusion Purpose To discover how the size of a cell affects the diffusion of chemicals throughout the cell. Hypothesis I predict that as the cell size increases the diffusion depth and the diffusion rate will decrease. Equipment • Eye protection • 250 mL beaker • Timing device • Scoopula • Ruler • Scalpel • Sodium hydroxide solution • 3 different sized cubes of phenolphthalein agar • Paper towels Purpose
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Islam occurred in the trans- Saharan area in Africa. The spread of Islam impacted many of these societies‚ affecting the rule of kings‚ changing the daily lives of many people‚ and changing the religions. However‚ these changes did not transpire by themselves. The spread of Islam was possible because of the trade and merchants in the Sahara‚ the many kings and their servicemen‚ and the journey to Mecca made by Mansa Musa. Merchants and trade in the trans-Saharan areas helped diffuse Islam. In Document
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therefore‚ it would take longer for a person to decide to call for help and the longer span of time taken can lead worse injuries and even the death of those involved in the accident. An experimental research study that would help test whether diffusion of responsibility is present
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Volume (CM3) Diameter (CM) Radius (CM) M&M’S® Thickness (CM) 1 75 108 54 0.743 2 83 120 60 0.658 Table 2 – Direct Measurement Trial M&M’S® Thickness (CM) 1 0.642 2 0.741 3 0.683 Table 3 – Calculated Averages Method Calculated Average Thickness (CM) Indirect (from Table 1) 0.701 Direct (from Table 2) 0.689 Questions: 1. When you performed Step 2 of the procedure‚ you actually made a cylinder of M&M’S®. The cylinder was rather "smushed‚" and the
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relationship of surface areand volume in the artificial cells to the diffusion rate using the phenolphthalein-NaOH agar and the HCl solution. Lab #2 was a model of diffusion and osmosis‚ in which we filled the model cells with different solutions and determined the rate of diffusion. In lab #3‚ the results demonstrated the interactions between selectively permeable membranes‚ water‚ and solutes and how they are important in cellular and organismal functions. In lab #1‚ the results showed the diffusion rate
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