Chemistry

Advancing Chemistry : Choose one of these practical sessions then write your chosen practical in the form of a scientific paper.

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Advancing Chemistry Choose one of these practical sessions then write your chosen practical in the form of a scientific paper: – Acid / Base Titration with Red cabbage Indicator. – Determination of Vitamin C concentration using a redox titration method. Word limit: Maximum 2000 words, excluding references and appendix.  

Using Table 3.10, determine the number of hours of sleep needed to burn off the kilocalories of this meal. (Show calculations.)

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Energy and nutrition projects. 1. Create an “Introduction” section. In the first paragraph of this introduction, briefly describe the purpose of this assignment. Also write a brief paragraph(s) that addresses the following questions: a. Are you currently on a diet now or have ever been on one? Add a description if so about the general … Read more

Osteoarthritis : Explain the role of derivatives of carbohydrates (glucosamine and vitamin C) in the management and treatment of osteoarthritis.

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Osteoarthritis Explain the role of derivatives of carbohydrates (glucosamine and vitamin C) in the management and treatment of osteoarthritis. First part of the essay: Osteoarthritis 1. The problem • The prevalence • data from statistical Search up: epidemiology of arthritis For statistics either use worldwide or just the UK (don’t mention the US alone). 2. … Read more

Tetrachloroethylene : How does the contaminant move throughout the environment and where is it primarily found.What organisms are exposed to this contaminant and and how is it taken up by the organism .

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Tetrachloroethylene. The final paper (~3000 words) should include the information listed below. The paper should include at least 20 citation and 10 of these need to be peer reviewed research articles. Your final paper should include the following: An overview of the contaminant including sources of the contaminant to the environment, any historical event that … Read more

Decomposition of hydrogen peroxide : To what extent does an increase in the mass (g) of a catalyst manganese dioxide (Mno2) affect the activation energy in the decomposition of hydrogen peroxide (H2O2)?

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Decomposition of hydrogen peroxide To what extent does an increase in the mass (g) of a catalyst manganese dioxide (Mno2) affect the activation energy in the decomposition of hydrogen peroxide (H2O2)? Write an essay about how does the increase of manganese dioxide affects the decomposition of hydrogen peroxide.

Discuss how to perform TLC and determine a melting point.Explain how to use TLC IR spectroscopy and melting point to identify unknown drugs.

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Identification of unknown drugs by Thin layer chromatography, infra red spectroscopy and melting point. •Discuss how to perform TLC and determine a melting point. • Explain how to use TLC IR spectroscopy and melting point to identify unknowndrugs.  

Create a step-by-step process for creating a standard solution of your choosing from solidSodium Hydroxide (NaOH), the concentration of this solution must not be greater than 2 M.

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Titrations Observations. Create a step-by-step process for creating a standard solution of your choosing fromsolidSodium Hydroxide (NaOH), the concentration of this solutionmust not be greater than 2 M. You will use this solution in your titration to find theconcentration of an unknown acid. SHOW ALL STEPS AND CALCULATIONSNEEDED. Requirement-Chemicals 1. Sodium Hydroxide2. Distilled water (Carbon … Read more

Explain the origins of pollutants in natural water.Identify the allowed concentrations of pollutants in drinking water.

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Pollutants. Write a research report in about 500 words, in which you will: Explain the origins of pollutants in natural water. Identify the allowed concentrations of pollutants in drinking water. Explain the origins and consequences of water hardness. Outline methods for softening hard water. Describe the technology involved in purifying drinking water and treating wastewater.