A. Identification of Pollutant in the Atmosphere Carbon Dioxide Carbon Dioxide is a colorless gas having a faint‚ sharp odor and a sour taste; it is a minor component of Earth’s atmosphere formed in combustion of carbon-containing materials‚ in fermentation‚ and in respiration of animals and employed by plants in the photosynthesis of carbohydrates. Though living things emit carbon dioxide when they breathe‚ carbon dioxide is widely considered to be a pollutant when associated with cars‚ planes
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tablet contains aspirin (acetylsalicylic acid)‚ citric acid‚ and sodium bicarbonate. As the tablet dissolves in water‚ the bicarbonate ions in the tablet react with the hydrogen ions from the acids that are also contained in the tablet. The carbon dioxide gas produced by the reaction is what causes the bubbling that can be observed. HCO3- (aq) + H+ (aq) → H2O (l) + CO2 (g) In this investigation‚ you will design two experiments which will compare two different factors that may affect the rate
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contains the same element in exactly the same proportions by mass regardless of the size of the sample or source of the compound. This relates to the magnesium oxide lab because we tested out this theory to see if it is true that the law of definite proportions says that a chemical compound contains the same element in exactly the same proportions by mass regardless of the size of the sample or source of the compound. In this experiment‚ you first find the mass of the crucible and cover. Next‚ you will
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THE STRUCTURE OF SILICON DIOXIDE Silicon Dioxide is commonly found in our daily lives- but what exactly is it? Silicon Dioxide (SiO2)‚ or Silica‚ is the most abundant compound of silicon found in the Earth’s crust‚ as well as a widely found oxide. Formed when silicon is exposed to the oxygen in the atmosphere‚ it is a giant covalent molecule with strong electrostatic forces of attraction between the adjacent non-metal oxygen and silicon atoms. Silicon Dioxide occurs in 13 different structural modifications
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Edible Atom Summary Sulfur Element number 16 on the periodic table of elements is sulfur. Sulfur is known as a brimstone‚ meaning “burning stone.” This is because it is found in deposits near volcanoes‚ and it burns very easily. It is found naturally around hot springs‚ volcanoes and in meteorites. Sulfur is also a mineral that you will find in all the cells of the human body. Sulfide bonds are the key bonds that allow curly hair to stay curly‚ and if you ever get a “perm” they add sulfide bonds
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improvement of the environment. Forests have many important and varied functions‚ and to have a broad idea some of them are listed below: Forests are the renewable resources of nature. They are giant sinks of carbon: they absorb and assimilate carbon dioxide‚ which accounts for the majority of the greenhouse gases that are now accelerating global warming. They are home to living creatures‚ They contribute in maintaining biodiversity They regulate the climate They provide industrial timber and fuel
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Other nitrogen containing compounds Catecholamine: Dopamine‚ norepinephrine (noradrenaline) and epinephrine (adrenaline) are biologically active amines and are collectively called as Catecholamine. * Dopamine and norepinephrine functions as neurotransmitters. Outside the nervous system‚ norepinephrine and its methylated derivative‚ epinephrine regulates carbohydrate and lipid metabolism. They are released from storage vehicles in the adrenal medulla in response to stress (fright‚ exercise‚ cold
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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 MgSO4•7H2O at 150°C were to give 13.7 g of pure MgSO4•xH2O‚ calculate the value for x. (a) 5 (b) 4 (c) 3 (d) 2 (e) 1 #5 A sample of lead ore has a density of 8.80 g/mL. It is composed of two lead compounds: lead oxide‚ PbO (density
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deforestation the cause of climate change? A. The forest can provide many different products. 1. Consumers use these products everyday ● Cost of products increasing 2. Carbon Dioxide in the atmosphere ● Most trees hold in the carbon dioxide 3. Changes in the ecosystem ● loss of trees mean higher risk of disasters. II. Rain forest are slowly vanishing B. “Slash and Burn” process. 1. Many farmers are following this
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Carbon‚ Phosphorus‚ and Nitrogen Cycles By: Amy Gentry There are three importation cycles that the environment. The three cycles are carbon‚ phosphorus and nitrogen cycles. These cycles are part of photosynthesis. These are a chain that keeps everything going in the word. These cycles keep animal alive and plants and people breathing. Carbon cycle is an Importation one of the cycle on earth. You get carbon atoms from co2 then become carbon atoms of the organic molecules are making up the plant
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