magnesium atom is spherical‚ calculate its volume in nm3. The diameter of a magnesium atom is 3.20 Å . The volume of a sphere is V = (4/3) r3. 1 Å = 1 x 10–10 m and 1 nm = 1 x 10–9 m and = 3.14 #2 What is the maximum amount of carbon dioxide that can be produced by the combustion of 0.450g of C2H5OH? #3 What mass of FeCl3 would contain the same total number of ions as 16.8 g of Al2(SO4)3? #4 Heating MgSO4•7H2O at 150°C produces MgSO4•xH2O. If heating 24.4 g of pure
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2: Aerobic Respiration in Beans We will evaluate respiration in beans by comparing carbon dioxide production between germinated and nongerminated beans. As shown in the balanced equation for cellular respiration‚ one of the byproducts is CO2 (carbon dioxide): C6H12O6 + 6 H2O + 6 O2 → energy + 6 CO2 + 12 H2O We will use a carbon dioxide indicator ( bromothymol blue) to show oxygen is being consumed and carbon dioxide is being released by the beans. Bromothymol blue is an indicator that turns yellow
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“Globalization Promotes Democracy Both Directly and Indirectly” Bhagwati‚ Jagdish Globalization‚ 2007 Globalization Promotes Democracy Both Directly and Indirectly Globalization promotes democracy both directly and indirectly. The direct link comes from the fact that rural farmers are now able to bypass the dominant classes and castes by taking their produce directly to the market thanks to modern information technology‚ thereby loosening the control of these traditionally hegemonic groups. In
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Lab Vocabulary: carbon dioxide‚ chlorophyll‚ glucose‚ limiting factor‚ nanometer‚ photosynthesis‚ wavelength Prior Knowledge Questions (Do these BEFORE using the Gizmo.) • To survive‚ what gas do we need to breathe in? ___________________________________ • Where is this gas produced? __________________________________________________ Gizmo Warm-up During photosynthesis‚ plants use the energy of light to produce glucose (C6H12O6) from carbon dioxide (CO2)‚ and water (H2O)
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and Ch7.1-Ch 7.3 in your text book (21st century chemistry). https://en.wikipedia.org/wiki/Gas_laws Name: BILLY K MPOYI -1 pt for not having Name and/or student ID Student ID: 104-792-436 Date of performance: February 22‚ 2017 I. Title: Carbon dioxide synthesis II. Purpose: 1. Understand basic atomic structure and periodic table. 2. Learn
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Deforestation The “Slashing and burning” of rainforests has to stop. The deforestation of our rainforests is effecting our environment and us more than you may think. We get the oxygen we need from trees‚ forests protect us from Carbon Dioxide‚ and forests protect most of Earth’s plants and animals. We need trees to breathe and rainforests to protect us from harsh things that we emit from our bodies. Many rainforests help and protect us. “More than 20% of the world’s oxygen comes from the Amazon”
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then break it down for usable energy through the process of cellular respiration. Analyze and explain how your life might be different if you could make your own food through photosynthesis. First of all if we were to be able to make our own food trough photosynthesis‚ we should have chlorophyll‚ which is the important pigment in absorbing sunlight. As an effect we will all be green in color. This may be good as there will be only one race but then again our cell must be modified in order for that
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making it unfit for survival of aquatic life and drinking purposes. The material used for idols like Plaster of Paris (POP) is mainly the compound of gypsum‚ sulphur‚ phosphorus and magnesium. Chemical paints comprise of mercury‚ cadmium‚ lead and carbon. Immersion of idols with such poisonous and toxic elements raises the level of acidity‚ solid matter‚ organic matter and heavy metals in water bodies. These materials don’t dissolve readily and lowers the oxygen level in water adversely affecting
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add value to a company directly and indirectly. Information technology can add value to a company either directly or indirectly. Reducing the cost associated with a given products/services. Cost reduction could happen anywhere within acquisition of raw materials to delivery of final product/services. Cost reduction occurs in different forms‚ it usually occurs when IT allows the same activity or set of activities to be performed more efficiently (Diann‚ n.d.). IT may either reduce or eliminate
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The Environmental Impact of Carbon Dioxide (CO2) Carbon Dioxide (CO2)‚ a chemical made up of one carbon atom and two oxygen atoms‚ is a non-flammable‚ odorless and colorless gas that exists naturally in the atmosphere. CO2 is one of the greenhouse gases‚ amongst methane‚ nitrous oxide and other gases‚ which keeps the Earth’s temperature habitable (UCAR). Without it‚ the Earth will be inhospitably cold. However‚ ever since the mid-nineteenths century‚ humans have significantly increased the amount
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