Gabi Mejia Chem 101 Section ADF Lab 4: Weak Acid Unknown Procedure: When testing the acid‚ use only between 0.2 g and 0.3 g for each trial (get as precise a measurement as you can). The general procedure is to weigh out your acid‚ dissolve it in water‚ add a couple drops of the indicator (phenolphthalein)‚ and then add the sodium hydroxide until you note a color change (from clear to pink). When the color change occurs‚ you have added enough base to completely react with the acid (the endpoint).
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Discussion & Error Analysis: By examining the unknown alcohol’s H NMR spectra‚ it can be deduced that the alcohol is 1-(3-methoxyphenyl)ethanol. There are three peaks that have a shift of ~7.0-7.5‚ one with integration values of 1‚ 2‚ and 1.This shows that the alcohol is a meta-substituted benzene ring. The singlet peak with a chemical shift of~ 4.7 ppm with an integration of 1 is from the hydrogen on the OH group. The peak at ~ 1.7 ppm corresponds to the hydrogen of the carbon that is attached
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In Cold Blood Analysis Essay: Persons Unknown In part two of Truman Capote’s thrilling masterpiece‚ In Cold Blood; Persons Unknown‚ religion is observed repetitively throughout the chapters‚ from the frightened town of Holcomb in the aftermath of the murderers‚ to the hasty escape of the murderers‚ Perry and Dick. The second section of the book begins with a town paralyzed with fear since the recent murders of the honorable Clutter family‚ because “Of all the people in the world‚ the Clutters were
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Andrew Santilli Prof. Dettmer ENGL 1220-c1603 March 4‚ 2015 The Battle against Big Brother The poem “The Unknown Citizen”‚ by W.H. Auden‚ is about the ideal person that the government wants in their society. The man does everything the right way and always agrees with the government‚ whether they are at war or they are at peace. Although the man is a perfect citizen to the government‚ they do not even know what his name is. At the top of the poem‚ they refer to the man as “JS/07/M/378”(343) and
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A2.A.5: Inverse Variation: Use direct and inverse variation to solve for unknown values 1 If x varies inversely as y and when ‚ what is the value of x when ? 1) 36 2) 3) 4) 4 2 If R is inversely proportional to A‚ and when ‚ what is the value of R when ? 1) 0.625 2) 1.6 3) 10 4) 6‚250 3 In the table below‚ y varies inversely as x What is the value of t? 1) 1 2) 3) 3 4) 4 In the accompanying table‚ y varies inversely as x What is the
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Unknown Organism Report Unknown Organism # 4 Klebsiella pneumonia Klebsiella pneumonia has a rod gram stain with the agar slant cultural characteristics being slimy‚ white‚ somewhat translucent‚ raised growth. It is small gram-negative coccobacilli that can cause lobar pneumonia. The litmus milk reaction is acid‚ gas‚ and curd with a variable reaction. Klebsiella can grow either in the presence or absence of oxygen because of its nature of being a facultative anaerobe. Oxygen is a preferred energy
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The book‚ “Adventures in the Unknown Interior of America” was translated and edited by Cyclone Covey in 1961. It is a semiofficial report (more like a personal diary) written by Alvar Nuñez Cabeza de Vaca to the King of Spain regarding the Narváez expedition. The original report by Cabeza de Vaca was titled‚ La Relación (1542) along with supplemental material called the Joint Report was used to describe the epic events that happened on the expedition. Cabeza de Vaca was born in 1490 in the town
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JPMorgan Chase & Co. The 2012 Derivative Debacle Table of Contents Company Overview 3 Derivative Debacle Overview 4 Events Leading Up to the Debacle 5 Credit Default Swaps and their Use 5 Why did JPMorgan Lose Nearly $6 Billion? 7 What Did we Learn from this Debacle? 9 Works Cited 11 Company Overview JPMorgan Chase & Co. is the leading financial services firm in the world with operations in over fifty countries. It was founded and based in the United States where
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limx→2x-2x-2 | 6. | limx→∞3x2-x-25x2+4x+1 | 7. | limx→∞x2+1-x | 8. | limx→∞x2+x3-x | 9. | limx→∞2x-13-2x32-3x3 | 10. | limx→∞x2+3x-2+x5x | Answers : 2‚ 16‚ -3‚12 ‚ -1 ‚35‚ 0 ‚ -∞‚ -2 ‚25 DERIVATIVES (DIFF. FORMULAS‚ TRIGO‚ FUNCTIONS & CHAIN RULE) By using the First Principle Method‚ find the derivatives of the following. | 1. | y=5x | 2. | fx=5x-1 | | Differentiate the function | | | 1. | Vx=2x3+3x4-2x | 2. | Fy=1y2-3y4y+5y3 | 3. | y=x31-x2 | 4. | y=t23t2-2t+1 | 5. | Suppose that
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LAB#: 20 SKILL: Planning and Designing OBSERVATIONS: A student is given a small beaker containing an unknown salt‚ x. The salt is crystalline‚ deliquescent and colorless. The student is asked to perform test and observation on the salt to determine the cation and anion present. HYPOTHESIS: Perhaps by using the flame test or reacting salt x with NaOH‚ or NH4OH the cation could be distinguished by observing the color changes or solubility while reacting salt x with H2SO4 or a mixture of copper
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