effect of three different pH levels (4‚ 7‚ 10) on the rate of germination of spanish beans Research Question: What is the effect of three different pH levels (4‚ 7‚ 10) on the rate of germination of spanish beans? Independent Variable: The different pH levels in the water would be the independent variable in this lab. Three different pH levels were tested‚ 4‚ 7 and 10‚ both 4 and 10 were chosen because they are 3 pH levels away from 7 which would be the regular pH level of water. We measured
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Economies of Scale * This is the cost advantage that a business obtains due to expansion. * That is the factor that cause the average cost of producing a product to fall‚ as output of the product rises as explained in the ‘Dictionary of Economics’. * By achieving economies of scale‚ a company would have the cost advantage over its existing and new rivals. * Further‚ the company could achieve lower long run average cost (i.e. productive efficiency). But if technology changes‚ this
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Name: Roya Razmjou AP Biology Chapter 2 Active Reading Guide The Chemical Context of Life This chapter covers the basics that you may have learned in your chemistry class. Whether your teacher goes over this chapter‚ or assigns it for you to review on your own‚ the questions that follow should help you focus on the most important points. Section 1 1. Define and give an example of the following terms: Term Definition matter: anything that has shape and takes up space element: a single substance that
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in an oligopoly is economies of scale. Economies of scale generally refer to the cost advantages that will be associated with large organizations. Margaretta (2012‚26) suggests that companies pursue economies of scale in the belief that this will be decisive in determining a competitive advantage and increased profitability. Woolworths enjoys significant economies of scale in relation to its competitors. In the supermarket industry‚ benefits of economies of scale is usually achieved by buying products
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Title: pH and buffer solutions Aim This experiment was carried out to determine the role of buffer solution and the factor which affect the buffer capacity. Besides‚ this experiment was carried out to investigate the solubility of protein casein over a range of pH concentration. This experiment also was carried out to determine the isoelectric point of the casein and the effect of the isoelectric point toward the casein solution. Methods Verification of the Henderson-Hasselbalch equation
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Economies of scale are the factors that lead to a reduction in average costs as a business increases in size. There are five economies of scale Purchasing Economies When businesses buy large numbers of components‚ for example materials or spare parts‚ they are able to gain discounts for buying in bulk. This reduces the unit cost of each item bought and gives the firm an advantage over smaller businesses which buy in small quantities. Marketing Economies
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from entering your lungs. That is why in the Philippines‚ Local Government Units and Non-local Government Organizations together act to resolve air pollution. We all know about the smoking ban and the anti-smoke belching. But how about the large scale air pollution contributors? These are industries with operations that involve process that emits hazardous gases such as but not limited to NOx‚ SOx‚ COx‚ and CFCs in high quantity. The Department of Natural Resources mandated an air pollution policy
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Chemical Formulas and Chemical Compounds MIXED REVIEW SHORT ANSWER Answer the following questions in the space provided. 1. Write formulas for the following compounds: CuCO3 a. copper(II) carbonate Na2SO3 b. sodium sulfite (NH4)3PO4 c. ammonium phosphate SnS2 d. tin(IV) sulfide HNO2 e. nitrous acid 2. Write the Stock names for the following compounds: magnesium perchlorate a. Mg(ClO4)2 iron(II) nitrate b. Fe(NO3)2 iron(III) nitrite c. Fe(NO2)3 cobalt(II) oxide d. CoO nitrogen(V) oxide
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Buffers‚ and pH‚ and Diffusion oh my The pH of a solution is the measure of the concentration of charged Hydrogen ions in that given solution. A solution with a pH lower than seven is considered to be acidic. A solution with a higher pH is a base. It is very important for organisms to maintain a stable pH. Biological molecules such as proteins function only at a certain pH level and any changes in pH can result in them not functioning properly. To maintain these constant pH levels‚ buffer solutions
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Element: Simplest form of matter to have unique chemical properties. Atom: The smallest particles with unique chemical identities. Nucleus: Center of an atom (composed of protons and neutrons). Proton: Have a single positive charge (+1). Neutron: Have no charge. Electron: Tiny particles with a single negative charge and very low mass (-1)/determines chemical bonding properties of an atom. Atomic Number: Number of protons in the nucleus. Atomic Mass: Approximate number of protons and neutrons
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