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  • Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is...

    Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH⇌C6H5COO−+H+ The pKa of this reaction is 4.2. In a 0.80 M solution of benzoic acid, what percentage of the molecules are ionized? Express the percentage numerically using two...

  • PO9Recitation HW Complete the following questions in your lab notebook! Use the periodic table of the...

    PO9Recitation HW Complete the following questions in your lab notebook! Use the periodic table of the Denniston book for the molar mass calculations (at least 2 decimal places). Part 1. 1. What is the molar mass of Nicotin? (hint: determine the molecular formula first) 2. Based on what you learned in Ch3, what do you predict about nicotine and the...

  • Looking for the answers to Questions 1, 4 & 6!! Thank you!! HOMEWORK 6 ORGANIC CHEMISTRY...

    Looking for the answers to Questions 1, 4 & 6!! Thank you!! HOMEWORK 6 ORGANIC CHEMISTRY II Due Date: 10/29/2019 Question 1: Provide the IUPAC names for the products obtained by the reaction of Butan-2-one under five conditions outlined below. 1. Sodium Borohydride followed by work up. Al 2. Methyl lithium followed by work up. [B] 3. Isopropyl magnesium bromide...

  • question 16 Atlantis is a small, isolated island in the South Atlantic. The inhabitants grow potatoes...

    question 16 Atlantis is a small, isolated island in the South Atlantic. The inhabitants grow potatoes and catch fresh fish. The following QUantity of T11 Quantity of fish Maximum annual potatoes (pounds) (pounds) output options A. 1000 300 B00 600 600 400 650 200 675 y-Fish ro G00 203 s00 100 11ao X-Polatoes sa 300 400 580 16 The output...

  • V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mas...

    need help with calculations V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mass NaOH Moles NaOH = moles Mass of HCI solution Final temp. of solution Initial temp. of solution AT solution 30 23 C 4 C AH(net)(Direct) per mole NaOH Calculation Indirect determination Heat of dissolution of NaOH (s)...

  • 2.D use reaction from part A to do D ; and 3 b. Organic chem

    2.D use reaction from part A to do D ; and 3 b. Organic chem 2. a. Predict which of the reactions shown below will ocur at a faster rate: oWg OMe HSO4, HNO, NO2 i tachioninthe pava posto H2SO HNO B What does your answer in part a imply about the major product of the nitration of anisole? Show...

  • Can someone explain how these are right answers to these 5 questions? The right answers are...

    Can someone explain how these are right answers to these 5 questions? The right answers are highlighted but I don't really understand how my professor got these answers. The predominate form of an important buffer in our blood (pH 7.4) is a H2CO CO d OH e H20 To detect peptides eluting from a reversed-phase column, Prof. Dimwit monitors the...

  • A stock technical analyst uses smoothing methods to predict stock prices. The following table contains the...

    A stock technical analyst uses smoothing methods to predict stock prices. The following table contains the monthly price information for Walmart. Date Price 11/30/2018 95.62 12/31/2018 91.71 1/31/2019 94.35 2/28/2019 97.46 3/29/2019 96.54 4/30/2019 101.80 5/31/2019 100.94 6/28/2019 109.95 7/31/2019 109.84 8/30/2019 114.26 9/30/2019 118.68 10/31/2019 117.26 What is the predicted share price for August 30, 2019 if this technical...

  • 1. a) Explain the concept of sustainable competitive advantage (SCA). What are the higher-order and lower-order...

    1. a) Explain the concept of sustainable competitive advantage (SCA). What are the higher-order and lower-order sources of SCA? What are the threats to SCA? And how do you counter them? b) Consider an analysis of return on investment (ROI) reported over a 10-year period for a sample of 100 firms in the same industry. When the sample was divided...

  • BME

    .   The manager of a travel agency has been using a seasonally adjusted forecast to predict demand for packaged tours. The actual and predicted values are as follows;Period         Demand           Predicted 1                  1 29                  124 2                    194                  200 3                    156                  150 4                    91                    94 5                    85                    80 6                    132                140 7                    126                128 8                    126                124 9                      95               100 10                  149             ...

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