EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
3rd Edition
ISBN: 9781259298424
Author: SMITH
Publisher: VST
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Textbook Question
Chapter 5, Problem 5.74P
Niacin, vitamin B3, is found in soybeans, which contain it naturally, and cereals,which are fortified with it.
a. What is the molecular formula of niacin?
b. What is the formula weight of niacin?
c. What is the molar mass of niacin?
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Rank each of the following substituted benzene molecules in order of which will react fastest (1) to slowest (4) by electrophilic
aromatic substitution.
Explanation
Check
CF3
(Choose one)
OH
(Choose one)
H
(Choose one)
(Choose one)
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Identifying electron-donating and electron-withdrawing effects
For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the
benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene.
Molecule
Inductive Effects
Resonance Effects
Overall Electron-Density
CF3
O donating
O donating
O electron-rich
O withdrawing
withdrawing
O no inductive effects
O no resonance effects
O electron-deficient
O similar to benzene
OCH3
Explanation
Check
O donating
O donating
○ withdrawing
withdrawing
O no inductive effects
no resonance effects
electron-rich
electron-deficient
O similar to benzene
Х
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The acid-base chemistry of both EDTA and EBT are important to ensuring that the reactions proceed as desired, thus the pH is controlled using a buffer. What percent of the EBT indicator will be in the desired HIn2- state at pH = 10.5. pKa1 = 6.2 and pKa2 = 11.6 of EBT
Chapter 5 Solutions
EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
Ch. 5.1 - Use the molecular art to identify the process as a...Ch. 5.1 - Use the molecular art to identify the process as a...Ch. 5.1 - Label the reactants and products, and indicate how...Ch. 5.1 - One term in a balanced chemical equation contained...Ch. 5.2 - Write a balanced equation for each reaction....Ch. 5.2 - Write a balanced equation for the following...Ch. 5.2 - Write a balanced equation for the reaction of...Ch. 5.2 - Balance each chemical equation. Al+H2SO4Al2(...Ch. 5.3 - Write a balanced equation for the reaction...Ch. 5.3 - Classify each reaction as a combination or...
Ch. 5.3 - Classify each reaction as a single replacement or...Ch. 5.3 - Classify each reaction as a combination,...Ch. 5.3 - Fill in the needed reactants or products for each...Ch. 5.4 - Identify the species that is oxidized and the...Ch. 5.4 - Identify the species that is oxidized and the...Ch. 5.4 - Prob. 5.16PCh. 5.5 - How many items are contained in one mole of (a)...Ch. 5.5 - How many carbon atoms are contained in each of the...Ch. 5.5 - How many molecules are contained in each of the...Ch. 5.5 - How many moles of water contain each of the...Ch. 5.6 - Calculate the formula weight of each ionic...Ch. 5.6 - The unmistakable odor of a freshly cut cucumber is...Ch. 5.6 - Prob. 5.23PCh. 5.6 - Calculate the number of grams contained in each of...Ch. 5.6 - How many moles are contained in each of the...Ch. 5.6 - How many molecules are contained in two 500.-mg...Ch. 5.7 - Use the balanced equation for the reaction of N2...Ch. 5.7 - Use the balanced equation in Sample Problem 5.15...Ch. 5.8 - Prob. 5.29PCh. 5.8 - Using the balanced equation for the combustion of...Ch. 5.8 - Prob. 5.31PCh. 5.8 - Use the balanced equation, N2+O22NO, to answer the...Ch. 5.9 - Prob. 5.33PCh. 5.9 - Prob. 5.34PCh. 5.9 - The synthetic antiviral drug Tamiflu, currently...Ch. 5.10 - Consider the reaction of hydrogen and nitrogen to...Ch. 5.10 - Using the balanced equation for the reaction of H2...Ch. 5.10 - Using the balanced equation, 3H2(g)+N2(g)2NH3(g),...Ch. 5.10 - Using the balanced equation, N2(g)+O2(g)2NO(g),...Ch. 5.10 - Prob. 5.41PCh. 5.10 - Prob. 5.42PCh. 5 - Prob. 5.43PCh. 5 - Prob. 5.44PCh. 5 - How many atoms of each element are drawn on each...Ch. 5 - How many atoms of each element are drawn on each...Ch. 5 - Use the molecular art to write a balanced equation...Ch. 5 - Prob. 5.48PCh. 5 - Balance each equation. a....Ch. 5 - Balance each equation. a....Ch. 5 - Prob. 5.51PCh. 5 - Prob. 5.52PCh. 5 - Prob. 5.53PCh. 5 - Prob. 5.54PCh. 5 - For the reaction depicted in the molecular art:...Ch. 5 - Prob. 5.56PCh. 5 - Prob. 5.57PCh. 5 - Prob. 5.58PCh. 5 - Classify the reaction depicted in the molecular...Ch. 5 - Classify the reaction depicted in the molecular...Ch. 5 - Classify each reaction as combination,...Ch. 5 - Classify each reaction as combination,...Ch. 5 - Fill in the needed reactant or product for each of...Ch. 5 - Fill in the needed reactant or product for each of...Ch. 5 - Identify the species that is oxidized and the...Ch. 5 - Identify the species that is oxidized and the...Ch. 5 - Prob. 5.67PCh. 5 - Rechargeablenickel-cadmium batteries are used in...Ch. 5 - The reaction of hydrogen (H2) with acetylene...Ch. 5 - Prob. 5.70PCh. 5 - Calculate the formula weight and molar mass of...Ch. 5 - Calculate the formula weight and molar mass of...Ch. 5 - L-Dopa is a drug used to treat Parkinson’s...Ch. 5 - Niacin, vitamin B3, is found in soybeans, which...Ch. 5 - Which quantity has the greater mass? 1 mol of Fe...Ch. 5 - Prob. 5.76PCh. 5 - Mescaline is a hallucinogen in peyote, a cactus...Ch. 5 - Prob. 5.78PCh. 5 - How many grams are contained in 5.00 mol of each...Ch. 5 - How many grams are contained in 0.50 mol of each...Ch. 5 - Prob. 5.81PCh. 5 - How many moles are contained in each number of...Ch. 5 - Prob. 5.83PCh. 5 - Prob. 5.84PCh. 5 - Prob. 5.85PCh. 5 - Prob. 5.86PCh. 5 - Using the balanced equation for the combustion of...Ch. 5 - Sodium metal (Na) reacts violently when added to...Ch. 5 - Prob. 5.89PCh. 5 - Prob. 5.90PCh. 5 - What is the percent yield of B in a reaction that...Ch. 5 - What is the percent yield of B in a reaction that...Ch. 5 - The reaction of methane (CH4) with Cl2forms...Ch. 5 - Methanol (CH4O), which is used as a fuel in...Ch. 5 - Consider the given reaction mixture that contains...Ch. 5 - Consider the reaction of A2 and B2 to form A2B,...Ch. 5 - Prob. 5.97PCh. 5 - Prob. 5.98PCh. 5 - Prob. 5.99PCh. 5 - Prob. 5.100PCh. 5 - The local anesthetic ethyl chloride ( C2H5Cl,...Ch. 5 - The solvent dichloromethane (, molar mass 84.93...Ch. 5 - Answer the following questions about the...Ch. 5 - Answer the following questions about diethyl ether...Ch. 5 - Prob. 5.105PCh. 5 - Prob. 5.106PCh. 5 - Prob. 5.107PCh. 5 - Prob. 5.108PCh. 5 - Prob. 5.109PCh. 5 - Prob. 5.110PCh. 5 - DDT, a pesticide that kills disease-carrying...Ch. 5 - Prob. 5.112PCh. 5 - TCDD, also called dioxin...Ch. 5 - Prob. 5.114CP
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