Solubility of Calcium Hydroxide Apparatus * Solid calcium hydroxide * 0.4 mol/dm hydrochloric acid * Distilled water * Pipette * Triple valve rubber pipette filler * Conical flask * Beaker * White tile * Clamp and stand * Methyl orange indicator Producing the calcium hydroxide solution 1. Roughly fill a beaker with 200cm³ of distilled water. This does not need to be accurate because samples will be taken from this. 2. Add solid calcium hydroxide‚ a spatula at a
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Bacterial Transformation Lab Report Backround: The plasmid pGLO contains an antibiotic-resistance gene‚ ampR‚ and the GFP gene is regulated by the control region of the ara operon. Ampicillin is an antibiotic that kills E. coli‚ so if E. coli‚ so if E. coli cells contain the ampicillin-resistance gene‚ the cells can survive exposure to ampicillin since the ampicillin-resistance gene encodes an enzyme that inactivates the antibiotic. Thus‚ transformed E. coli cells containing ampicillin-resistance
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Lab report for Experiment #2: Extraction Your Name: Name of TA: Lab Partner’s Name: Lab Section: Title: Experiment #2: Extraction Purpose: What is the purpose of this lab? In your OWN words! Observations: Weighed out 3.2568 grams of chemical mixture that was yellow in color. Dissolved dry chemicals in 38 ml CH2Cl2 with gentle heating. Poured the yellow solution into sep funnel. Added 10 ml CH2Cl2 to flask to rinse‚ poured solution into sep funnel. Added 15 ml 3 M
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Chemistry lab report Experiment 32 Voltaic Cell Measurements Dinmukhamed Yeraly Partner Azamat Bashabayev General Chemistry II lab Instructor Rostislav Bukasov Nazarbayev University Introduction Most of the chemical reactions can be classified as redox reactions‚ which include two half reactions‚ oxidation and reduction respectively. To measure the tendency for a readox reaction to occur‚ special apparatus called voltaic cell can be used. It is made by connecting a voltmeter between
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For this experiment me and my lab partner didn’t finish the experiment. We only end up to adding the magnesium sulfate. We added so much magnesium sulfate‚ and ended up drying the whole product without any liquid left. We were trying to do the procedure all over again but‚ we will ended up to not finishing the experiment still due to time constrain. I will try to explain the possibility what will happen up to the end of the experiment. After measuring the 10ml graduated cylinder‚ which is 27.27g
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its properties. In this lab‚ students will perform one of the classical alchemist shows by turning and ordinary penny into “silver” and then “gold.” Chemically speaking‚
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When two benzaldehyde molecules condense in the presence of thiamine‚ it leads to the formation of a molecule of benzoin. The thiamine behaves as a coenzyme catalyst. This step of the reaction involves the addition of ethanol and sodium hydroxide into an aqueous solution of thiamine hydrochloride and creating a reaction with pure benzaldehyde. When you heat this mixture to a temperature of 60 degrees Celsius for about 90 minutes and then cool it in an ice bath‚ the benzoin crystallizes out. Recrystallization
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heptane flame. Reactants: C7H16 and O2 Products: CO2 and H2O Balanced chemical equation C7H16 + O2 7CO2 + 2H2O Table 8.3- Single replacement reaction of sodium Observations Test tube was hot after reaction; exothermic reaction took place; sodium was malleable; when sodium was added to diH2O it popped and fizzled; solution turned pink when phenolphthalein was added. Reactants: Na and H2O Products: H2 and NaOH Balanced chemical equation 2Na + 2H2O 2NaOH + H2 Table 8.4- Single
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Created By: Andrew Weeldreyer Mrs. Wolf Period:3 AP Chem Lab Report: Determination of the Molar Volume of a Gas Objective: To react Mg and HCL and form hydrogen gas‚ then after collecting lab data‚ determine the hydrogen gas’s molar volume at STP through calculation. Materials: -LabQuest data collector - 3.0 M of HCl solution - Ribbon of Mg metal - Gas pressure sensor
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Kavanagh Chem 106b‚ Section 001 Lab Performed 8th‚ 2012 Lab Report Submitted February 22nd‚ 2012 Abstract The purpose of the lab was to determine the order of reaction for the dye Red #40. By measuring the reaction rate between bleach and the dye‚ the order of the reaction was determined to be first order. Introduction The study of kinetics is important for studying the amount of time it takes for a particular reaction to reach completion. By comparing two solutions of dye that have different
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