halide‚ 2-chloro-2-methylbutane by reacting 2-methyl -2-butanol (t-amyl alcohol) with hydrochloric acid. Alkyl halides are of wide interest because they are widespread and have diverse beneficial and detrimental impacts .The overall reaction is given below: Procedure 1 ml of 2-methyl-2-butanol was measured using 1 ml syringe and transferred into a 5 ml conical vial. 2.5 ml of highly concentrated Hydrochloric acid was then slowly added while the vial was constantly swirled. After mixing alcohol with
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Method 1. Clean a platinum or nichrome wire by dipping it into concentrated hydrochloric acid. 2. Hold the platinum or nichrome wire at the hottest or blue part of a non-luminous Bunsen flame. 3. Repeat until the wire does not produce any colour in the flame (note: do not touch the wire‚ as salt in sweat will produce an intense sodium flame). 4. Once achieved‚ dip the nichrome wire in concentrated hydrochloric acid‚ and then dip it into a small amount of the unknown solid (or solution) to
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that was produced Part III: Reaction between zinc and hydrochloric acid Watch the Video. http://www.youtube.com/watch?v=5p540KucRc8&feature=related Observations: Appearance of penny after 4 hours ___________________________ Questions and conclusions: 1. Balance the equation‚ if necessary‚ for the reaction between zinc and hydrocloric acid. Zn + HCl ZnCl2 + H2 2. Classify the reaction between zinc and hydrocloric acid. 3. What evidence was there to indicate that a
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EXPERIMENT : Iron in Breakfast Cereal by Atomic Absorption Spectroscopy OBJECTIVES : 1) To determine the actual iron content of different brands of cereals 2) To compare the experimental results with the values listed on the manufacturer’s labels. INTRODUCTION : Iron is one of the important minerals that is required for our bodies to function properly. Most of the iron in our body is found in the blood such as haemoglobin‚ approximately 60 -70% of the human body’s iron is found
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Discussion The second experiment of the semester focuses on separating and identifying the components of Panacetin‚ which is a common medication that relieves pain. The label reveals that Panacetin is composed of sucrose (10%)‚ aspirin (40%)‚ and Tylenol (50%). Although this information is reported‚ the true composition of Panacetin is questionable. While sucrose and aspirin are present in Panacetin‚ Tylenol may be replaced by an unknown component (acetanilide or phenacetin). Separation of the components
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EXPERIMENT 6 – Empirical Formula of a Compound INTRODUCTION Chemical formulas indicate the composition of compounds. A formula that gives only the simplest ratio of the relative number of atoms in a compound is the empirical formula or simplest formula. The ratio usually consists of small whole numbers. We call a formula that gives the actual numbers of each type of atom in a compound the molecular formula. The numbers in a molecular formula will be whole number multiples of the numbers in an empirical
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Ap Chem. Period 7 9/14/2014 Analysis of Silver in an Alloy Purpose- To determine silver content of an alloy and to calculate the percent silver in the alloy. Materials Chemicals •Silver-Copper Alloy •Nitric Acid (NHO3) •Baking Soda (NaHCO3)(s) •Sodium Chloride (NaCl)(s) Equipment •Beakers‚ 100 and 250 mL •Filter Flask and Walter’s adapter •Stirring Rod •Wash Bottle •Watch Glass •Crucible Tongs •Ring Stand‚ Ring‚ Wire gauze •Bunsen Burner •Graduated Cylinder •Rubber or Plastic
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__potasium permanganate c) H2SO4 ____sulphuric acid______ d) H2O ______hydrogen oxide____ e) AgNO3 ____silver nitrate______ f) Sodium bicarbonate ______Na2CO3____ g) Nitric acid _________HNO3________ h) Hydrochloric acid _________HCl_______ i) Potassium dichromate _______K2CrO4____ j) Sodium hydroxide __________NaOH____ 6. Complete the following conversion factors or problems: a) 1 cm3. = __1___ mL. 1
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Running Head: RESPIRATORY PROTECTION SELECTION Respiratory Protection Selection Therese Kress MGT. 401 Hazardous Materials Management Instructor Stephen Griffith September 29th‚ 2014 MGT401: Hazardous RESPIRATORY PROTECTION SELECTION Respiratory Protection Selection Employers have a wide variety of Respiratory Protection gear that can be used these days to protect their workers from hazardous situations
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ABSTRACT The effect of molecular weight on the rate of diffusion of substances is tested using two tests: the glass tube test and the agar-water gel test. In the glass tube test‚ two cotton balls were soaked in two different substances‚ one in hydrochloric acid (HCl) and the other one in ammonium hydroxide (NH4OH). The cotton balls were inserted into the two ends of the tube at the same time. After some time‚ a white smoke was observed to evolve nearer the cotton ball soaked in HCl. This indicated that
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