something + 2Fe+2 Equation 2: 8H+ + 5Fe+2 + MnO4- --> 5Fe+3 + Mn+2 + 4H2O Equation 3: 6H+ + 2MnO4- + 5H2C2O4 --> 2Mn+2 + 10CO2 + 8H2O Conclusion: Therefore the concluded reaction would be: NH3OH+ + 2Fe+3 --> N2O + 2Fe+2 This was obtained by using stoichiometry half reactions the product of that reaction was determined to be N2O. Some systematic errors could be if the wrong molarity was determined for the permanganate because then that would though off the calculations for the Fe+2 and the rest of the
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“Calcium Homeostasis” Kayla Smith Anatomy and Physiology I BSC 1085C Ref# 82458 Calcium plays a very significant role in our bodies. Approximately 99 percent of the calcium in our bodies is stored in the teeth and bones. Calcium generates about two percent of our total body weight. Calcium is crucial in bone formation‚ keeping strong bones and teeth and is known for helping to prevent osteoporosis. Although calcium is mostly thought about in the bones and teeth‚ it also plays important roles
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Calcium in the body 10-09-10 Calcium is a mineral that is very important to the body. It is found in many different foods. Milk‚ yogurt‚ and cheese are well known sources of calcium. It is said that milk does a body good and that is because of the calcium in milk. Calcium is available as a dietary supplement. Carbohydrates and citrates are the two main forms of calcium in dietary supplements. Calcium has a lot to do with maintaining bone mass. An article titled Calcium: focus on foods and beverages
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combining the elements‚ instead of having it naturally do so‚ made a significantly fully more bright color. In Theophilus’s “recipe” for vermillion‚ it is stated that there should be far more sulfur than a stiochiometric reaction should require. Stoichiometry
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Homeostasis – Re: Calcium Homeostasis refers to a stable internal balance or an internal equilibrium within the human body. The body and its systems work together to keep itself in the state of balance‚ but it mostly refers to how the human body reacts to different changes and keep itself within certain guidelines to insure that it can properly function. These reactions include a range of responses‚ from the release of hormones to regulate internal balances to sweating to lower body temperature
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STOICHIOMETRY OF GASOLINE. AN INTRODUCTION The internal combustion engines burn fuel to create kinetic energy. The burning of fuel is basically the reaction of fuel with oxygen in the air to form water and Carbon dioxide as the major end product . The amount of oxygen present in the cylinder is the limiting factor for the amount of fuel that can be burnt that is to say it determines the level of burning in our combustion engine. If there’s too much fuel present‚ not all fuel will be burnt and un-burnt
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Calcium Carbide Calcium Carbide is a chemical compound containing calcium and carbide‚ with a chemical formula of CaC2. Pure Calcium Carbide is colorless‚ but some are black or grayish-white color‚ depending on the quality. Calcium Carbide is mostly used for the production of the flammable gas acetylene‚ which is similar to the natural hormone created my plants Ethylene. Ethylene is a hormone that is used by plants to ripen fruits. In Bangladesh and some parts of South-East Asia‚ Calcium Carbide
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Calcium is one of the most abundant element in the earth’s crust at number 5. Calcium has a very high chemical reactivity so it is never found as an uncombined state in nature. It is a silvery-white metal and it is in the alkaline earth family. Calcium is needed for blood clotting and controlling cell responses in nerves and muscles.Ninety-nine percent of the calcium in the human body is in our bones and teeth. Bone tissues are renewing themselves constantly and to do that they have to build new
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Selective precipitation of the Barium Magnesium Group Chem 112-004 Abstract The purpose of this experiment is to separate and identify the cations of Ba+‚Sr2+‚Ca2+‚ Mg2+ and NH4+ using differences in solubility and confirming test to identify the unknown solution used in this experiment. In this experiment the methodology used by the group is to perform the tests for both the unknown and the cations (Ba+‚Sr2+‚Ca2+‚ Mg2+ and NH4+) using the known as a control for comparison and identification
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moles-stoichiometry-practice-problems Now you’re ready to use what you know about conversion factors to solve some stoichiometric problems in chemistry. Almost all stoichiometric problems can be solved in just four simple steps: 1.Balance the equation. 2.Convert units of a given substance to moles. 3.Using the mole ratio‚ calculate the moles of substance yielded by the reaction. 4.Convert moles of wanted substance to desired units. These "simple" steps probably look complicated at first
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