Chemistry Atoms First2e
2nd Edition
ISBN: 9781947172647
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 2, Problem 29E
Write the molecular and empirical formulas of the following compounds:
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Q2: Ranking Acidity
a) Rank the labeled protons in the following molecule in order of increasing pKa. Briefly
explain the ranking. Use Table 2.2 as reference.
Ha
Нь
HC
H-N
Ha
OHe
b) Atenolol is a drug used to treat high blood pressure. Which of the indicated N-H bonds is
more acidic? Explain. (Hint: use resonance structures to help)
Name the functional groups on atenolol.
H
H-N
atenolol
Ν
H-N
OH Н
Answer d, e, and f
If the rotational constant of a molecule is B = 120 cm-1, it can be stated that the transition from 2←1:a) gives rise to a line at 120 cm-1b) is a forbidden transitionc) gives rise to a line at 240 cm-1d) gives rise to a line at 480 cm-1
Chapter 2 Solutions
Chemistry Atoms First2e
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Ch. 2 - Write the symbol for each of the following ions:...Ch. 2 - Write the symbol for each of the following ions:...Ch. 2 - Open the Build an Atom simulation...Ch. 2 - Open the Build an Atom simulation...Ch. 2 - Open the Build an Atom simulation...Ch. 2 - Determine the number of protons, neutrons, and...Ch. 2 - The following are properties of isotopes of two...Ch. 2 - Give the number of protons, electrons, and...Ch. 2 - Give the number of protons, electrons, and...Ch. 2 - Click on the site...Ch. 2 - Click on the site...Ch. 2 - An element has the following natural abundances...Ch. 2 - Average atomic masses listed by JUPAC are based on...Ch. 2 - Variations in average atomic mass may be observed...Ch. 2 - The average atomic masses of some elements may...Ch. 2 - The 18O:16O abundance ratio in some meteorites is...Ch. 2 - Explain why the symbol for an atom of the element...Ch. 2 - Explain why the symbol for the element sulfur and...Ch. 2 - Write the molecular and empirical formulas of the...Ch. 2 - Write the molecular and empirical formulas of the...Ch. 2 - Determine the empirical formulas for the following...Ch. 2 - Determine the empirical formulas for the following...Ch. 2 - Write the empirical formulas for the following...Ch. 2 - Open the Build a Molecule simulation...Ch. 2 - Use the Build a Molecule simulation...Ch. 2 - Use the Build a Molecule simulation...Ch. 2 - Write a sentence that describes how to determine...Ch. 2 - Compare 1 mole of H2, 1 mole of o2, and 1 mole of...Ch. 2 - Which contains the greatest mass of oxygen: 0.75...Ch. 2 - Which contains the greatest number of moles of...Ch. 2 - How are the molecular mass and the molar mass of a...Ch. 2 - Calculate the molar mass of each of the following...Ch. 2 - Calculate the molar mass of each of the following:...Ch. 2 - Calculate the empirical or molecular formula mass...Ch. 2 - Calculate the molar mass of each of the following:...Ch. 2 - Determine the number of moles of compound and the...Ch. 2 - Determine the mass of each of the following: (a)...Ch. 2 - Determine the number of moles of the compound and...Ch. 2 - Determine the mass of each of the following: (a)...Ch. 2 - The approximate minimum daily dietary requirement...Ch. 2 - Determine the mass in grams of each of the...Ch. 2 - A 55-kg woman has 7.5103 mol of hemoglobin (...Ch. 2 - Determine the number of atoms and the mass of...Ch. 2 - Determine which of the following contains the...Ch. 2 - Determine which of the following contains the...Ch. 2 - Diamond is one form of elemental carbon. An...Ch. 2 - The Cullinan diamond was the largest natural...Ch. 2 - One 53-gram serving of a particular cereal...Ch. 2 - A certain nut crunch cereal contains 11.0 grams of...Ch. 2 - A tube of toothpaste contains 0.76 g of sodium...Ch. 2 - Which of the following represents the least number...
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