1 REVIEW OF THE TYPES OF TESTS 1. Discrete and Integrative Tests Tests have come to be an accepted component of instructional programs throughout the world. The main reasons for testing are: a) to measure individual progress; b) to assess the degree of success of teaching and learning and to identify areas of weakness and difficulty; c) to measure students probable performance; d) to sort new students into teaching groups so that they are approximately the same
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Data- A. Exploring Pressure-Volume Relationships Pressure (torr) | Volume (mL) | 1384.2 | 5 | 1198.1 | 6 | 1038.1 | 7 | 921.3 | 8 | 826.2 | 9 | 752.6 | 10 | 688.5 | 11 | 638.5 | 12 | 593.8 | 13 | 557.0 | 14 | 519.9 | 15 | 492.0 | 16 | B. Determining the Ideal Gas Constant Molar calculations: Mgs+2HClaq→MgCl2aq+H2(g) 5mL of 3M HCl nHCl=0.005L×0.3M1L=0.015mol nHCl 5×excess=0.0155=0.003mol nMg=0.0032=0.0015mol mMg=0.0015×24.31=0.0365g Volumes: * Tubing: Inner diameter=
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Volume Licensing brief Downgrade rights for Microsoft Volume Licensing‚ OEM‚ and full-package product licenses This brief applies to all Microsoft Volume Licensing programs. Table of Contents Summary .................................................................................................................................................................................................. 1 What’s New in this Brief ......................................................................
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prokaryotic. Prokaryotic cells are usually unicellular‚ while eukaryotic cells can either exist as a single celled organism or be found in multicellular organisms. The unicellular and multicellular organisms are linked to cell size and surface area to volume ratio. The experiment for cell size and diffusion was set to see how and how much water can go to the cells. This movement of water is called Osmosis. Osmosis is the movement of water molecules from an area of low concentration (lots of water) to
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was a comparison between accuracy and precision of densities measured by volume. Mass measurements are often used units in the metric system. Volume can be examined a borrowed unit. The volume measurements were made in mL. Every measurement had a level of hesitancy affiliated with it. The experiment could feel uncertain from the object used for measurement and from the accuracy of the person doing the measuring of the volume. Because of this uncertainty‚ the experiment must be repeated for better
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In Parts A and C‚ the relationship between surface area and volume was investigated. Plasticine was formed into a cube and a sphere; both shapes were cut in half. It was found that plasticine volume should not vary‚ two halves have a greater surface area than a whole‚ and cubes have a greater surface area than spheres of the same volume. In Part B‚ the relationship between diffusion and surface area to volume ratio was investigated. Three agar-phenolphthalein-sodium hydroxide cubes of different sizes
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split up into two parts‚ one Islam and the other not. As opposed to the Indo-Pakistani war‚ the Sudan civil war continues to this day. Religion involvement in government leads to the division of nations and a divided nation is a weak nation. A wide variety of reasons can lead to the persecution of minorities‚ the most common being a group’s religion or beliefs. Those who think that this source of persecution has disappeared are mistaken. Only recently‚ members of the Baha’i faith have been jailed for
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Chapter-1: ABOUTCOMPANY 1.1 company background 1.2 management 1.3 promter&cmd 1.4 mission 1.5 vision 1.6 development 1.7 to Organisoon 1.8 to Myself 1.1 Company Background : R K Global was incorporated in year 1995 at New Delhi under the dynamic leadership of Shri Ramesh Kumar Bhagchandka‚ son of late Shri Lakhi Prasad Bhagchandka‚ a Bhagchandka group initiative. In 2007‚ R K Global shifted its registered office to Mumbai in Maharashtra. R K Global in the initial years
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Surface area / Volume ratio Experiment Introduction: The surface area to volume ratio in living organisms is very important. Nutrients and oxygen need to diffuse through the cell membrane and into the cells. Most cells are no longer than 1mm in diameter because small cells enable nutrients and oxygen to diffuse into the cell quickly and allow waste to diffuse out of the cell quickly. If the cells were any bigger than this then it would take too long for the nutrients and oxygen to diffuse into
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Applications of Differentiation 1. If a line y = x + 1 is a tangent to the curve y2= 4x ‚find the point the of contact ? 2. Find the point on the curve y = 2x2– 6x – 4 at which the tangent is parallel to the x – axis 3. Find the slope of tangent for y = tan x + sec x at x = π/4 4. Show that the function f(x) == x3– 6x2 +12x -99 is increasing for all x. 5. Find a‚ for which f(x) = a(x+sinx)+a is increasing 6. Find the intervals in which the function f ( x ) = x3 - 6x2 + 9x + 15 is
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