Chemistry
9th Edition
ISBN: 9781133611097
Author: Steven S. Zumdahl
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 142AE
ABS plastic is a tough, hard plastic used in applications requiring shock resistance. The
a. A sample of ABS plastic contains 8.80% N by mass. It took 0.605 g of Br2 to react completely with a 1.20-g sample of ABS plastic. Bromine reacts 1: 1 (by moles) with the butadiene molecules in the polymer and nothing else. What is the percent by mass of acrylonitrile and butadiene in this polymer?
b. What are the relative numbers of each of the monomer units in this polymer?
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Chemistry
Ch. 3 - Prob. 1RQCh. 3 - Atomic masses are relative masses. What does this...Ch. 3 - The atomic mass of boron (B) is given in the...Ch. 3 - What three conversion factors and in what order...Ch. 3 - Fig. 5-5 illustrates a schematic diagram of a...Ch. 3 - What is the difference between the empirical and...Ch. 3 - Consider the hypothetical reaction between A2 and...Ch. 3 - Prob. 8RQCh. 3 - Consider the following mixture of SO2(g) and...Ch. 3 - Why is the actual yield of a reaction often less...
Ch. 3 - The following are actual student responses to the...Ch. 3 - What information do we get from a chemical...Ch. 3 - You are making cookies and are missing a key...Ch. 3 - Nitrogen gas (N2) and hydrogen gas (H2) react to...Ch. 3 - For the preceding question, which of the following...Ch. 3 - You know that chemical A reacts with chemical B....Ch. 3 - Prob. 7ALQCh. 3 - Consider an iron bar on a balance as shown. As the...Ch. 3 - You may have noticed that water sometimes drips...Ch. 3 - Prob. 10ALQCh. 3 - What is true about the chemical properties of the...Ch. 3 - Is there a difference between a homogeneous...Ch. 3 - Chlorine exists mainly as two isotopes, 37Cl and...Ch. 3 - The average mass of a carbon atom is 12.011....Ch. 3 - Can the subscripts in a chemical formula be...Ch. 3 - Consider the equation 2A + B . A2B. 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You react 4...Ch. 3 - Reference Section 3.2 to find the atomic masses of...Ch. 3 - Avogadros number, molar mass, and the chemical...Ch. 3 - If you had a mole of U.S. dollar bills and equally...Ch. 3 - Prob. 26QCh. 3 - Which of the following compounds have the same...Ch. 3 - What is the difference between the molar mass and...Ch. 3 - How is the mass percent of elements in a compound...Ch. 3 - A balanced chemical equation contains a large...Ch. 3 - Prob. 31QCh. 3 - Hydrogen gas and oxygen gas react to form water,...Ch. 3 - What is the theoretical yield for a reaction, and...Ch. 3 - What does it mean to say a reactant is present in...Ch. 3 - Consider the following generic reaction: A2B2 + 2C...Ch. 3 - Consider the following generic reaction:...Ch. 3 - An element consists of 1.40% of an isotope with...Ch. 3 - An element X bas five major isotopes, which are...Ch. 3 - The element rhenium (Re) bas two naturally...Ch. 3 - Assume silicon has three major isotopes in nature...Ch. 3 - The element europium exists in nature as two...Ch. 3 - The element silver (Ag) has two naturally...Ch. 3 - The mass spectrum of bromine (Br2) consists of...Ch. 3 - The stable isotopes of iron arc 54Fe, 56Fe, 57Fe,...Ch. 3 - Calculate the mass of 500. atoms of iron (Fe).Ch. 3 - What number of Fe atoms and what amount (moles) of...Ch. 3 - Diamond is a natural form of pure carbon. What...Ch. 3 - A diamond contains 5.0 1021 atoms of carbon. What...Ch. 3 - Aluminum metal is produced by passing an electric...Ch. 3 - The Freons are a class of compounds containing...Ch. 3 - Calculate the molar mass of the following...Ch. 3 - Calculate the molar mass of the following...Ch. 3 - What amount (moles) of compound is present in 1.00...Ch. 3 - What amount (moles) of compound is present in 1.00...Ch. 3 - What mass of compound is present in 5.00 moles of...Ch. 3 - What mass of compound is present in 5.00 moles of...Ch. 3 - Prob. 57ECh. 3 - Prob. 58ECh. 3 - What number of molecules (or formula units) are...Ch. 3 - What number of molecules (or formula units) are...Ch. 3 - What number of atoms of nitrogen are present in...Ch. 3 - Prob. 62ECh. 3 - Freon- 12 (CCI2F2) is used as a refrigerant in air...Ch. 3 - Bauxite, the principal ore used in the production...Ch. 3 - What amount (moles) is represented by each of...Ch. 3 - What amount (moles) is represented by each of...Ch. 3 - What number of atoms of nitrogen are present in...Ch. 3 - Complete the following table.Ch. 3 - Ascorbic acid, or vitamin C (C6H8O6), is an...Ch. 3 - The molecular formula of acetylsalicylic acid...Ch. 3 - Chloral hydrate (C2H3Cl3O2) is a drug formerly...Ch. 3 - Dimethylnitrosamine, (CH3)2N2O , is a carcinogenic...Ch. 3 - Calculate the percent composition by mass of the...Ch. 3 - In 1987 the first substance to act as a...Ch. 3 - The percent by mass of nitrogen for a compound is...Ch. 3 - Arrange the following substances in order of...Ch. 3 - Fungal laccase, a blue protein found in...Ch. 3 - Hemoglobin is the protein that transports oxygen...Ch. 3 - Express the composition of each of the following...Ch. 3 - Considering your answer to Exercise 79, which type...Ch. 3 - Give the empirical formula for each of the...Ch. 3 - Determine the molecular formulas to which the...Ch. 3 - A compound that contains only carbon, hydrogen,...Ch. 3 - The most common form of nylon (nylon-6) is 63.68%...Ch. 3 - There are two binary compounds of mercury and...Ch. 3 - A sample of urea contains 1.121 g N, 0.161 g H,...Ch. 3 - A compound containing only sulfur and nitrogen is...Ch. 3 - Determine the molecular formula of a compound that...Ch. 3 - A compound contains 47.08% carbon, 6.59% hydrogen,...Ch. 3 - Maleic acid is an organic compound composed of...Ch. 3 - One of the components that make up common table...Ch. 3 - A compound contains only C, H, and N. 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