Impurity Lab Report Aim: To find out the difference of the boiling point and melting point when adding impurity (salt) to water. Diagram: Method: 1.Set up the apparatus as shown in the diagram 2. Get a known amount of ice in the beaker (half full)‚ and a known amount of salt in another beaker 3. Measure the temperature (melting point) of the ice without adding any impurity (salt). 4. Measure the temperature (melting point) of the ice after adding the salt into the beaker. 5. Heat up
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Lab Report Procedure 6.1: Perform Benedict’s test for reducing sugars. Introduction: Benedict’s tests allows for the detection of the presence of reducing sugars. All monosaccharides are reducing sugars since all of them have active carbonyl group. Some disaccharides that are exposed to a carbonyl group are also reducing sugars but less reactive than monosaccharides. By mixing the sugar solution with Benedict’s solution and heating them‚ a redox reaction will occur. The copper (II) sulphate
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Lab Report Density Name: Period: Problem How do you calculate Density? What units did you use for volume‚ mass‚ and density? When the cubes are placed in water which one will sink 1st? What is the ranking of the cubes lightest (1) to heaviest (10)? Is it true that the cube with the most mass will have the most density? Hypothesis I think the 1st cube was aluminum I think the 2nd cube was steel I think the 3rd cube was brass I think the 4th cube was copper I think the 5th
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ABSTRACT On the past two weeks‚ I have done an experiment on hydrostatics‚ or is also known as fluid statics (fluid at rest) within the fluid mechanics field of study. This condition explains that in a stable condition‚ the fluid is at rest. The use of fluid in doing work is known as hydraulics‚ and the science of fluid in motion is known as fluid dynamics. INTRODUCTION The natural nature of fluids are they cannot remain stationary under the application of shear stress. However‚ fluid
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This lab experiment investigates the effect of listening to different types of music on one’s pulse. The experiment relates the circulatory system to the pulse as it measures how quickly the heart contracts and releases blood. Pulse is measured in beats per minute (bpm). One’s pulse is loudest near the heart‚ because there is more pressure closer to the heart. In contrast‚ one’s pulse is quieter the further away it is measured from the heart‚ because there is less pressure the further the distance
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Separation of the Components of a Mixture General Chemistry 1 (Chem 101)‚ ISP SCUHS Report 2 January 26‚ 2014 Abstract The analyses of mixture were to distinguish and identify homogeneous mixture by using the techniques of decantation and sublimation. By performing these techniques‚ we examined our solutions such as SiO2 (sand)‚ NH4Cl (ammonium chloride)‚ and NaCl (sodium chloride) and mixed H2O (water) with each solution after being heated. After examining our solutions‚ we made calculations
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Effects of Alcohol‚ Caffeine‚ and Temperature on the Heart Rate of Daphnia magna Joseph Ezra Gallo BY124L MW 8:30-11:30 Introduction Ectothermic animals are animals whose body temperature is affected by their surroundings. This means that if the environment is cold the animal will be cold. If the environment is warm the animal will be warm. This is because the animal doesn’t have the capability of regulating its body systems to keep a constant body temperature. When an ectothermic animal is
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Lab Report Expectations and Guidelines. General Information: 12 pt. Times New Roman Font Double Spaced Always write in thir person Write in Full Sentences (expect for Materials List) Important Reminders: Check Spelling Use Significant figures and units regarding measurements and calculations Aviod personal pronouns (I‚ We‚ You‚ He‚ She‚ They) Headings should stand out and each section should be separated by 1 line Neatness Counts! Use rulers when needed especially for tables and graphs Do not
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INTRODUCTION Empagliflozin is a potent and selective sodium-dependent glucose co-transporter-2 inhibitor. The chemical name of empagliflozin is (1S)-1‚ 5-anhydro-1-(4-chloro-3-{4-[(3S)-tetrahydrofuran-3-yloxy] benzyl} phenyl)-D-glucitol and its molecular formula is C17H19ClO2Si.figure no 1. Empagliflozin selectively inhibits SGLT-2 in the kidney‚ resulting in direct‚ insulin-independent‚ elimination of glucose by the kidney. The primary pharmacodynamics effect of empagliflozin on inhibition of glucose
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In the organic layer‚ the HBr becomes more reactive toward the alkene by dehydrating it and the addition becomes likely. The rate of the reaction is determined by the efficiency of dividing the reagents and reactants to increase the surface area. Thus‚ the reaction mixture must be vigorously agitated by stirring allowing the formation of immiscible tiny droplets to form. After removing the aqueous layer and adding aqueous sodium bicarbonate solution
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