Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Chapter 2, Problem 30QAP
Chlorine has two isotopes, Cl-35 and Cl-37. Their abundances are 75.53% and 24.47%, respectively. Assume that the only hydrogen isotope present is H-1.
(a) How many different HCI molecules are possible?
(b) What is the sum of the mass numbers of the two atoms in each molecule?
(c) Sketch the mass spectrum for HCI if all the positive ions are obtained by removing a single electron from an HCI molecule.
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Chapter 2 Solutions
Chemistry: Principles and Reactions
Ch. 2 - Atomic Theory and Laws State in your own words the...Ch. 2 - State in your own words the law of constant...Ch. 2 - Two basic laws of chemistry are the law of...Ch. 2 - Two basic laws of chemistry are the law of...Ch. 2 - Who discovered the electron? Describe the...Ch. 2 - Who discovered the nucleus? Describe the...Ch. 2 - Selenium is widely sold as a dietary supplement....Ch. 2 - Radon is a radioactive gas that can cause lung...Ch. 2 - How do the isotopes of argon, Ar-36, Ar-38, and...Ch. 2 - Consider two isotopes Fe-54 and Fe-56. (a) Write...
Ch. 2 - Uranium-235 is the isotope of uranium commonly...Ch. 2 - An isotope of americium (Am) with 146 neutrons is...Ch. 2 - Prob. 13QAPCh. 2 - Prob. 14QAPCh. 2 - Prob. 15QAPCh. 2 - See the definition for isobars in Question 15....Ch. 2 - Calculate the mass ratio of a bromine atom to an...Ch. 2 - Arrange the following in the order of increasing...Ch. 2 - Cerium is the most abundant rare earth metal. Pure...Ch. 2 - Consider the three stable isotopes of oxygen with...Ch. 2 - Bromine has two occuring isotopes: 79Br with...Ch. 2 - Rubidium has two naturally occurring isotopes:...Ch. 2 - Strontium has four isotopes with the following...Ch. 2 - Neon is an inert gas with three stable isotopes....Ch. 2 - Naturally occurring silver (Ag) consists of two...Ch. 2 - Copper has two naturally occurring isotopes. Cu-63...Ch. 2 - Silicon (averageatomicmass=28.0855amu) has three...Ch. 2 - Magnesium (averageatomicmass=24.305amu) consists...Ch. 2 - Zinc has four stable isotopes: Zn-64, Zn-66,...Ch. 2 - Chlorine has two isotopes, Cl-35 and Cl-37. Their...Ch. 2 - Lead is a heavy metal that remains in the...Ch. 2 - Silversmiths are warned to limit their exposure to...Ch. 2 - Determine (a) the number of atoms in 0.185 g of...Ch. 2 - For bismuth (Bi), determine (a) the number of...Ch. 2 - The isotope Si-28 has a mass of 27.977 amu. For...Ch. 2 - Myocardial perfusion imaging (MPI) is the latest...Ch. 2 - A cube of sodium has length 1.25 in. How many...Ch. 2 - A cylindrical piece of pure copper (d=8.92g/cm2)...Ch. 2 - Give the symbols for (a) potassium (b) cadmium (c)...Ch. 2 - Prob. 40QAPCh. 2 - Prob. 41QAPCh. 2 - Prob. 42QAPCh. 2 - How many metals are in the following groups? (a)...Ch. 2 - How many nonmetals are in the following periods?...Ch. 2 - Which group in the periodic table (a) has one...Ch. 2 - Which period of the periodic table (a) has no...Ch. 2 - Prob. 47QAPCh. 2 - Prob. 48QAPCh. 2 - Prob. 49QAPCh. 2 - Prob. 50QAPCh. 2 - Prob. 51QAPCh. 2 - Complete the table given below.Ch. 2 - Classify the following compounds as electrolytes...Ch. 2 - Prob. 54QAPCh. 2 - Prob. 55QAPCh. 2 - Prob. 56QAPCh. 2 - Prob. 57QAPCh. 2 - Write the names of the following molecules. (a)...Ch. 2 - Prob. 59QAPCh. 2 - Prob. 60QAPCh. 2 - Prob. 61QAPCh. 2 - Prob. 62QAPCh. 2 - Prob. 63QAPCh. 2 - Prob. 64QAPCh. 2 - Write the names of the following ionic compounds....Ch. 2 - Prob. 66QAPCh. 2 - Complete the following table.Ch. 2 - Complete the following table.Ch. 2 - Prob. 69QAPCh. 2 - Prob. 70QAPCh. 2 - Prob. 71QAPCh. 2 - Prob. 72QAPCh. 2 - Criticize each of the following statements: (a)...Ch. 2 - Which of the following statements is/are always...Ch. 2 - Some brands of salami contain 0.090% sodium...Ch. 2 - Carbon tetrachloride, CCl4, was a popular...Ch. 2 - Prob. 77QAPCh. 2 - Prob. 78QAPCh. 2 - Prob. 79QAPCh. 2 - Use the law of conservation of mass to determine...Ch. 2 - Prob. 81QAPCh. 2 - Prob. 82QAPCh. 2 - Scientists are trying to synthesize elements with...Ch. 2 - Write the nuclear symbol for the element whose...Ch. 2 - Prob. 85QAPCh. 2 - Write the atomic symbol for the element whose ion...Ch. 2 - Prob. 87QAPCh. 2 - Three compounds containing only carbon and...Ch. 2 - Ethane and ethylene are two gases containing only...Ch. 2 - Calculate the average density of a single Al-27...Ch. 2 - Prob. 91QAPCh. 2 - Each time you inhale, you take in about 500 mL...Ch. 2 - Hydrogen gas is prepared in a lab experiment. In...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- The mass spectrum of phosphoryl chloride. POF3, is illustrated here. (a) Identify the cation fragment at a m/Z ratio of 85. (b) Identify the cation fragment at a m/Z ratio of 69. (c) Which two peaks in the mass spectrum provide evidence that the oxygen atom is connected to the phosphorus atom and is not connected to any of the three fluorine atoms?arrow_forwardBoron trifluoride is used as a catalyst in the synthesis of or-ganic compounds. When this compound is analyzed by massspectrometry several different 1+ ions form, including ions representing the whole molecule as well as molecular fragments formed by the loss of one,two, and three F atoms. Given that boron has two naturally occurring isotopes, ¹⁰B and ¹¹B, and fluorine has one, ¹⁹F, calculate the masses of all possible 1+ ionsarrow_forwardMass spectrometry is more often applied to moleculesthan to atoms. We will see in Chapter 3 that the molecularweight of a molecule is the sum of the atomic weights of theatoms in the molecule. The mass spectrum of H2 is takenunder conditions that prevent decomposition into H atoms.The two naturally occurring isotopes of hydrogen are 1H(atomic mass = 1.00783 amu; abundance 99.9885%) and2H 1atomic mass = 2.01410 amu; abundance 0.0115%2.(a) How many peaks will the mass spectrum have? (b) Givethe relative atomic masses of each of these peaks. (c) Whichpeak will be the largest, and which the smallest?arrow_forward
- Arrange the following in the order of increasing mass. (a) a potassium ion, K+ (b) a phosphorus molecule, P4 (c) a potassium atom (d) a platinum atomarrow_forward2.75 Chlorine has only two isotopes, one with mass 35 and the other with mass 37. One is present at roughly 75% abundance, and the atomic weight of chlorine on a periodic table is 35.45. Which must be the correct mass spectrum for chlorine?arrow_forwardGallium arsenide, GaAs, has gained widespread use in semiconductor devices that convert light and electrical signals in fiber-optic communications systems. Gallium consists of 60.% 69Ga and 40.% 71Ga. Arsenic has only one naturally occurring isotope, 75As. Gallium arsenide is a polymeric material, but its mass spectrum shows fragments with the formulas GaAs and Ga2As2. What would the distribution of peaks look like for these two fragments?arrow_forward
- The mass spectrum of CH3Cl is illustrated here. You know that carbon has two stable isotopes, and 13C with relative abundances of 98.9% and 1.1%, respectively, and chlorine has two isotopes, 35a and 37CI with abundances of 75.77% and 24.23%, respectively. (a) What molecular species gives rise to the lines at m/Z of 50 and 52? Why is the line at 52 about 1/3 the height of the line at 50? (b) What species might be responsible for the line at m/Z = 51?arrow_forwardConsider the following data for three binary compounds of hydrogen and nitrogen: %H (by Mass) %N (by Mass) I 17.75 82.25 II 12.58 87.42 III 2.34 97.66 When 1.00 L of each gaseous compound is decomposed to its elements, the following volumes of H2(g) and N2(g) are obtained: H2(L) N2(L) I 1.50 0.50 II 2.00 1.00 III 0.50 1.50 Use these data to determine the molecular formulas of compounds I, II, and III and to determine the relative values for the atomic masses of hydrogen and nitrogen.arrow_forward
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