There are few foods on the planet that offer absolutely zero nutritional value‚ and soda falls into this category. Studies have shown that a regular soda habit has been linked to accelerated aging. diet soda lowers your pH levels‚ which can cause acne and leave your skin looking dull and tired The aspartame found in diet soda has been linked to headaches‚ dizzy spells‚ and even mood swings. It’s especially potent in people with a predisposition for anxiety or depression. Downing just two or more
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The purpose of this practical was to measure the amount of a chemical substance present in a sample. Primarily‚ the aim of Experiment 1 was to measure the absorption spectrum of a particular coloured substance (in this case Bromophenol Blue and Methyl Orange) at varying wavelengths of light. For Experiment 2‚ the process of the experiment focuses on the substance and records its absorption levels at different concentrations. The absorption levels (A) that are obtained when samples of any given
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distilled water methyl orange hydrochloric acid Apparatus: measuring cylinder graduated flask pipette beaker conical flask burette glass rod filter funnel Procedure: 1) 40.00 of the solution of potassium hydroxide is placed into a 250 graduated flask make up to the mark with deionized water . The mixing solution is shade well to obtain a homogenous solution. 2) 25.0 of the diluted potassium hydroxide solution is pipetted into a conical flask . 1-2 drops of methyl orange is added
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Lab Practical 2 Morphological Staining Techniques Simple Stain- Uses 1 Stain 1. Acid Stains (- Charge)- Stains Background- Nigrosin‚ India Ink and Congo Red 2. Base Stains (+ Charge)- Stains Cell- Methylene Blue‚ Crystal Violet‚ Safranin Differential Staining Techniques- Any Staining Technique using 2 or more stains is differential. It allows us to differentiate between parts. 1. Gram Stain- Two Stains‚ PLUS Reagents- Distinguishes Chemical Composition of Cell Wall PG only (+ Purple)
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graduated in 1/10 ˚C)‚ * 50 cm3 graduated pipette fitted with a suction bulb‚ 10 cm3 graduated cylinder‚ * Conc. sulphuric acid (specific gravity 1.84‚ 98.5% H2SO4 )‚ conc. nitric acid‚ * 1 M sodium hydroxide‚ 0.1 M hydrochloric acid‚ methyl orange indicator. Introduction : Enthalpy is a measure of total energy of a thermodynamic system. It includes the internal energy of the system and the product of its volume multiplied by the pressure exerted on it by its surrounding. H =
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Essay esp. for an investigation Good Intro to investigation Investigating the antibacterial properties of a mouthwash Introduction The mouthwash under test id Asda Protect. It contains:- · aqua · alcohol · glycerin · polysorbate 20 · sodium benzoate · aroma · sodium saccharin · cetylpyridinium chloride · menthol · sodium flouride (0.05%) In this investigation we aim to test the antibacterial properties of this mouthwash treating it like a disinfectant against three common bacteria which
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Over the course of a couple weeks‚ ten tests were performed. First‚ a gram stain was performed‚ indicating the bacterium was gram negative. An aerotolerance test determined that the bacterium was a facultative anaerobe. Next‚ a negative result in the methyl red test indicated that no mixed acid fermentation occurred. The DNase test was performed and yielded a positive result. The SIM test provided two outcomes‚ that the bacterium did not reduce sulfur nor produce indole from tryptophan. Afterwards‚ the
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of NaHCO3 used ± 0.1 mL | 9.2 | 9.5 | 9.8 | Qualitative Data: * I used the methyl orange indicator which was suitable for my titration because of its clear and distinct colour change from orange to a bright red at the endpoint * At the beginning of the titration after I added 3 drops of methyl orange into the base (NaHCO3) and swirled‚ I began titrating the acid (HCl) slowly‚ and initially in the methyl orange and base‚ there was a tiny amount of red colour present‚ but then it quickly
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presence of two surplus hydrogen atoms in 7-and 8-positions‚ and of a very complex phytyl group in the 7-position. He found that the formula for chlorophyll b is the same as that for chlorophyll a‚ except that in the former a formyl group replaces the methyl group in pyrrole ring II of the
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Cytodyne Methoxy-Pro is a great protein powder with methoxyisoflavones to encourage muscle growth. Methoxy-Pro is one of those very rare sports supplements that time after time continue to surpass expectations. Fact is‚ no other protein on the market today can match Methoxy-Pro’s remarkable ability to stimulate lean muscle growth. So it’s no wonder that our customers prefer this one-of-a kind super anabolic formula to any other protein product the industry has to offer. This revolutionary complex
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