Optics Lab: Mirrors and Lenses Theodore Gotis Oakton Community College (revised 7/21/11 J) I. Introduction and Objectives II. Equipment Needed Ray Box Concave Lens Compass Plane Mirror Convex Lens Protractor Concave Mirror Prism Ruler Convex Mirror Water Tray III. Theory Ray diagrams Focal length Radius of curvature Law of reflection Snell’s Law (Refraction) Total Internal
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Abstract: All the materials were measured and weighed. It was found in the experiment that the yield of copper hydroxide in 40%. Introduction: The copper (II) sulphate is then placed in 100 mL of distilled water. Then 20 mL of CuSO4 is measured and placed 100 mL of distilled water. This can later be weighed to determine the mol of CuSO4 and the mol/L concentration. Then this was used to find out how many mL of 0.5 NaOH solution is needed to react completely with all the copper (II)
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about it at a rapid rate. This learning process is unique to the young child and lasts through the first six years of his life. Previously mentioned before Dr. Maria Montessori has classified these years into various stages and phases of a child’s development. The first phase of the absorbent mind is birth to three. Conscious learning has not yet emerged in the child. An example of this would be the way a child learns language. Acquired without effort‚ spontaneously‚ and literally sinking in. The
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were 3‚ 10‚ 11‚ 13‚ 17‚ 18‚ 22‚ 24‚ 26‚ 30‚ 31‚ 39‚ 42‚ 45‚ 47‚ and 49 (Table 2b). This indicated that these barrels were above the regulated amount. During this same experiment‚ 26 barrels exceeded the 5% (50ppt) threshold. These were barrels 3‚ 4‚ 6‚ 8‚ 10‚ 11‚ 13‚ 17‚ 18‚ 20‚ 22‚ 24‚ 25‚ 26‚ 27‚ 30‚ 31‚ 34‚ 38‚ 39‚ 42‚ 44‚ 45‚ 47‚ 49‚ and 50 (Table 2a‚ Table 2b). These barrels were not only above the regulated amount‚ but they indicate that measuring using a refractomer would be better to use
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concepts of stoichiometry. Background Information -Stoichiometry is the study of the quantitative relationships between reactants and products. You can calculate or predict the amount of reactants needed or product will be produced from a balanced equation with some known quantitative physical properties. Stoichiometry was first introduced to chemistry by Jeremias Benjamin Richter from Germany in the late 18th century. Richter carried out some of the earliest determinations of the quantities by weight
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physical expressions noted in the parent’s behavior. Children mimic parental expressions too‚ causing feelings of comfort and security within the infant. The dynamics of physical and verbal contact between parent and infant‚ will aid in the child’s development creating a strong premise for processing emotions‚ physical expressions‚ and socially acceptable behavioral responses. Along with the aforementioned benefits of synchrony‚ impairment of this concept may occur under the following conditions: -
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Technology In Action‚ Complete‚ 11e Chapter 2 Sound Byte Labs Healthy Computing Introduction: If you aren’t careful about your work habits‚ long hours in front of the computer can cause both long-term and short-term health problems. The positioning of your chair‚ desk‚ keyboard‚ mouse‚ and monitor can all make a difference. Learn how to spot problems and to position your computer equipment for maximum efficiency and minimal strain. This activity contains 14 questions. 1. Which of the following
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after the assessment‚ you are not wasting your time completing problems you already know how to handle. You can focus all of your time and effort in what you need improvement in. And I was extremely surprised with my results through My Foundations Lab. I have always thought that math was my strongest subject. I actually scored lower in the math learning path than I did in the reading and writing learning paths. It was shocking. I know I have always been good with writing but I never thought I was
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is when the computer is turned on and gets to the desktop so that the user will be in a position to operate it. 1.2. Dust can block free circulation of air on the computer air vents exposing it to overheating. 1.3. When arranging computers in the lab they must be placed on the floor so as to allow dust to get into the system. 1.4. Computers must be cleaned regularly to allow for free circulation of air and reduce the effects of dust‚ overheating that causes computer hardware maintenance 1.5. Ventilation
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Development is the act or process of growing or causing something to grow or to become larger or more advanced. The life span perspective of development involves understanding changes that occur in every period of development. This view seeks to understand people throughout the changes in life and how these changes shape an individual into whom they become. All these changes occur from birth‚ throughout a persons’ life‚ into and during old age. Life span development is multidirectional‚ multi
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