1 Body Mass Index Height: Weight: BMI: Alfred has a BMI of 25.9 which classifies him as Overweight and puts him at an elevated risk of developing health problems (1). It is recommended Alfred lose at least 3.4 kg (7.5 lbs). This weight loss will lower his BMI to 24.9‚ placing him in the Normal Weight category and reducing his risk of developing health problems (1). However‚ it is not recommended that Alfred lose more than 26 kg (57 lbs) as that places his BMI below 18.5 and puts him in the
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Mrs Trennor Research Assignment: The Chloralkali Industry The chloralkali process is responsible for the production of chlorine gas (Cl2)‚ sodium hydroxide (NaOH) hence the name chloralkali. The process is also responsible for the production of hydrogen gas (H2). These three substances are used to make products that are essential to people’s lives. The chloralkali process does have environmental impacts;
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as cuts‚ bruises‚ burns‚ insect bites‚ rashes and scrapes quickly. Moringa oil is also helpful for purposes of tanning or maintaining a tan. This oil is rich in copper and calcium‚ which are important nutrients for the skin. Soap is a cleansing agent created by the chemical reaction of a fatty acid with an alkali metal hydroxide. Chemically speaking‚ it is a salt composed
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family members that were in the risk of heart problems. This makes me feel better knowing there is less chances that I can have problems with my heart. Looking at the food that I consumed‚ In N Out has the most fat that I ate. The burger has 10 g. of saturated fat‚ which fast foods can cause a risk of heart disease. Fast Food has fats that are not unhealthy which can lead to many risks factors such as: cancer‚ obesity‚ heart disease‚ heart attacks‚ effects in the liver‚ and digestion problems. I will
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Prefix divide by Pico- Nano- milli- 0.000‚000‚000‚001 0.000‚000‚001 0.001 centi- 0.01 deci- 0.1 deka- 10 hecto- 100 Kilo- 1‚000 Mega 1 kcal = 1000 cal 1 Cal= 1 kcal 1 cal = 4.184 1‚000‚000 • Neutral atoms contain the same number of electrons and protons. • Components of a mixture can be separated (purified) by physical means. • Physical changes alter a substance without any changes to the chemical composition. • Chemical change involves breaking
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from cassava cracker factory in Medan‚ Indonesia and dried at 100 °C for 24 hours. The dried peel was milled and sieved until the size of 100 mesh was obtained. The supporting chemical substances such as potassium hydroxide (KOH)‚ sodium hydroxide (NaOH)‚ acetic acid (CH3COOH)‚ calcium nitrate tetrahydrate (Ca(NO3)2.4H2O)‚ toluene (C6H5CH3)‚ chloroform (CHCl3)‚ diethanolamine ((C2H4OH)2NH)‚ sodium chloride (NaCl)‚ diethyl eter ((C2H5)2O)‚ methanol (CH3OH)‚ sodium methoxide (CH3ONa)‚ sodium sulphate
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Chapter 2 Chapter 2 is about Molecular level of life/ the chemical component of life. What does chemistry have to do with our life? Chemical aspect of life. Matter: anything in the universe that has weight and occupies space. The weight is called mass. The mass will remain constant regardless of gravity. Can exist in our body in three different forms Three states of matter in our body. * Solid: in our body are organs‚ Bones‚ they will have different shapes. * Liquid: In our body
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CHEMICAL WEATHERING Chemical weathering is a process of alteration of rocks of the Earth’s crust. is a chemical decomposition process. is brought out by atmospheric gases and moisture. End product has a different chemical composition and poorer physical constitution. The process: Chemical change in the nature of rock takes place in the presence of moisture containing many active gases such as CO2‚ N2‚ H2‚ and O2. Rocks are made up of minerals. All the minerals in a rock are not in
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different elements that are held together by chemical bonds. All organic compounds in living organisms are composed primarily of CARBON‚ HYDROGEN‚ and OXYGEN( + sometimes NITROGEN) This makes up 96% of the weight of living organisms 4% made out of calcium‚ phosphate‚ sulfer‚ Mg‚ Na‚ etc (occur as ions or in inorganic compounds within living organisms) Rest of the elements required are founds in such small amounts (0.5-------->1.7----------> 3.2 0- exactly zero is purely covalent 0-0.5: covalent
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current/ 4. Define electrolysis. 5. What is decomposition reaction? Give an example 6. Calcium oxide react with water to form calcium oxide. What type of reaction is it? 7. What happen when ferrous sulphate is heated? 8. What happen when copper metal is dipped in silver nitrate solution/Give the balance chemical equation? 9. Write chemical formula for following. a. calcium fluoride.b.iron(II)bromide 10. Write chemical names of a. Ag2O3 b.CuS c. Na2ZnO2 11
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