Chemistry (7th Edition)
7th Edition
ISBN: 9780321943170
Author: John E. McMurry, Robert C. Fay, Jill Kirsten Robinson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 2, Problem 2.74SP
In methane, one part hydrogen combine with three parts carbon by mass. If a sample of a compound containing only carbon and hydrogen contains 32.0 g of carbon and 8.0 g of hydrogen, could the sample be methane? If the sample is not methane, show that the law of multiple proportions is followed for methane and this other substance
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Chapter 2 Solutions
Chemistry (7th Edition)
Ch. 2 - Conceptual PRACTICE 2.1 An element is a shiny,...Ch. 2 - Prob. 2.2ACh. 2 - PRACTICE 2.3Compounds A and B are colorless gases...Ch. 2 - APPLY 2.4If the chemical formula of compound A in...Ch. 2 - PRACTICE 2.5The gold foil that Rutherford used in...Ch. 2 - Prob. 2.6ACh. 2 - PRACTICE 2.7The isotope 3475Se is used medically...Ch. 2 - APPLY 2.8Element X is toxic to humans in high...Ch. 2 - PRACTICE 2.9Copper metal has two naturally occur-...Ch. 2 - Prob. 2.10A
Ch. 2 - Prob. 2.11PCh. 2 - APPLY 2.12If 2.26 1022 atoms Of element Y have a...Ch. 2 - Prob. 2.13PCh. 2 - Prob. 2.14ACh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16ACh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18ACh. 2 - Prob. 2.19PCh. 2 - Prob. 2.20ACh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22ACh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24ACh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. 2.29PCh. 2 - Prob. 2.30PCh. 2 - Prob. 2.31CPCh. 2 - Prob. 2.32CPCh. 2 - Prob. 2.33CPCh. 2 - Prob. 2.34CPCh. 2 - Prob. 2.35CPCh. 2 - Prob. 2.36CPCh. 2 - Prob. 2.37CPCh. 2 - Prob. 2.38CPCh. 2 - Prob. 2.39CPCh. 2 - Prob. 2.40CPCh. 2 - Prob. 2.41CPCh. 2 - Prob. 2.42CPCh. 2 - Prob. 2.43CPCh. 2 - Prob. 2.44SPCh. 2 - Prob. 2.45SPCh. 2 - Prob. 2.46SPCh. 2 - Prob. 2.47SPCh. 2 - Prob. 2.48SPCh. 2 - Prob. 2.49SPCh. 2 - Prob. 2.50SPCh. 2 - Prob. 2.51SPCh. 2 - Prob. 2.52SPCh. 2 - Prob. 2.53SPCh. 2 - Prob. 2.54SPCh. 2 - Prob. 2.55SPCh. 2 - Where in the periodic table are the metallic...Ch. 2 - Prob. 2.57SPCh. 2 - Prob. 2.58SPCh. 2 - Prob. 2.59SPCh. 2 - 2.60 List several general properties of the...Ch. 2 - Prob. 2.61SPCh. 2 - Prob. 2.62SPCh. 2 - Prob. 2.63SPCh. 2 - At room temperature, a certain element is found to...Ch. 2 - Prob. 2.65SPCh. 2 - At room temperature, a certain element is yellow...Ch. 2 - Prob. 2.67SPCh. 2 - Prob. 2.68SPCh. 2 - Prob. 2.69SPCh. 2 - How does Dalton’s atomic theory account for the...Ch. 2 - Prob. 2.71SPCh. 2 - A sample of mercury with a mass of 114.0 g was...Ch. 2 - Prob. 2.73SPCh. 2 - In methane, one part hydrogen combine with three...Ch. 2 - In borane, one part hydrogen combine with 3.6...Ch. 2 - Benzene, ethane, and ethylene are just three of a...Ch. 2 - Prob. 2.77SPCh. 2 - Prob. 2.78SPCh. 2 - 2.79 In addition to carbon monoxide (CO) and...Ch. 2 - Prob. 2.80SPCh. 2 - Prob. 2.81SPCh. 2 - Prob. 2.82SPCh. 2 - What affects the magnitude of the deflection of...Ch. 2 - Prob. 2.84SPCh. 2 - Prob. 2.85SPCh. 2 - Which of the following charges is NOT possible for...Ch. 2 - What discovery about atomic structure was made...Ch. 2 - Prior to Rutherford’s gold foil experiment, the...Ch. 2 - A period at the end of sentence written with a...Ch. 2 - A 1/4 inch thick lead sheet is used for protection...Ch. 2 - Prob. 2.91SPCh. 2 - What is the difference between an atom’s atomic...Ch. 2 - Prob. 2.93SPCh. 2 - Prob. 2.94SPCh. 2 - Prob. 2.95SPCh. 2 - Prob. 2.96SPCh. 2 - The radioactive isotope cesium-137 was produced in...Ch. 2 - Prob. 2.98SPCh. 2 - Prob. 2.99SPCh. 2 - How many protons, neutrons, and electrons are in...Ch. 2 - Prob. 2.101SPCh. 2 - Prob. 2.102SPCh. 2 - Prob. 2.103SPCh. 2 - Prob. 2.104SPCh. 2 - Prob. 2.105SPCh. 2 - Prob. 2.106SPCh. 2 - Prob. 2.107SPCh. 2 - Prob. 2.108SPCh. 2 - Naturally occurring silver consists of two...Ch. 2 - Prob. 2.110SPCh. 2 - Prob. 2.111SPCh. 2 - Prob. 2.112SPCh. 2 - Prob. 2.113SPCh. 2 - Prob. 2.114SPCh. 2 - Prob. 2.115SPCh. 2 - Prob. 2.116SPCh. 2 - Prob. 2.117SPCh. 2 - Prob. 2.118SPCh. 2 - Prob. 2.119SPCh. 2 - Prob. 2.120SPCh. 2 - Which of the following bonds are likely to be...Ch. 2 - The symbol CO stands for carbon monoxide, but the...Ch. 2 - Prob. 2.123SPCh. 2 - Prob. 2.124SPCh. 2 - Prob. 2.125SPCh. 2 - Prob. 2.126SPCh. 2 - Prob. 2.127SPCh. 2 - Prob. 2.128SPCh. 2 - Prob. 2.129SPCh. 2 - Prob. 2.130SPCh. 2 - Prob. 2.131SPCh. 2 - Give systematic names for the following binary...Ch. 2 - Give systematic names for the following binary...Ch. 2 - Prob. 2.134SPCh. 2 - Prob. 2.135SPCh. 2 - Prob. 2.136SPCh. 2 - Prob. 2.137SPCh. 2 - Give systematic names for the following compounds:...Ch. 2 - Name the following ions: (a) Ba2+ (b) Cs+ (c) V3+...Ch. 2 - Prob. 2.140SPCh. 2 - Prob. 2.141SPCh. 2 - Prob. 2.142SPCh. 2 - Prob. 2.143SPCh. 2 - Prob. 2.144SPCh. 2 - Prob. 2.145SPCh. 2 - Prob. 2.146SPCh. 2 - Prob. 2.147SPCh. 2 - Prob. 2.148SPCh. 2 - Prob. 2.149SPCh. 2 - Prob. 2.150SPCh. 2 - Prob. 2.151SPCh. 2 - Germanium has five naturally occurring isotopes:...Ch. 2 - Prob. 2.153CPCh. 2 - Ammonia (NH3) and hydrazine (N2H4) are both...Ch. 2 - Prob. 2.155CPCh. 2 - Prob. 2.156CPCh. 2 - Prob. 2.157CPCh. 2 - Prob. 2.158CPCh. 2 - What was the mass in atomic mass units of a 40Ca...Ch. 2 - Prob. 2.160CPCh. 2 - Prob. 2.161CPCh. 2 - Prob. 2.162CPCh. 2 - Prob. 2.163CP
Knowledge Booster
Learn more about
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
- Two compounds of iron and chlorine, A and B, contain 1.270 g and 1.904 g of chlorine, respectively, for each gram of iron. Show that these amounts are in the ratio 2 : 3. Is this consistent with the law of multiple proportions? Explain.arrow_forwardHydrazine, ammonia, and hydrogen azide all contain only nitrogen and hydrogen. The mass of hydrogen that combines with 1.00 g of nitrogen for each compound is 1.44 101 g, 2.16 101 g, and 2.40 102 g, respectively. Show how these data illustrate the law of multiple proportions.arrow_forwardTwo elements, R and Q, combine to form two binary compounds. In the first compound, 14.0 g of R combines with 3.00 g of Q. In the second compound, 7.00 g of R combines with 4.50 g of Q. Show that these data are in accord with the law of multiple proportions. If the formula of the second compound is RQ, what is the formula of the first compound?arrow_forward
- Two samples of different compounds of nitrogen and oxygen have the following compositions. Show that the compounds follow the law of multiple proportions. What is the ratio of oxygen in the two compounds for a fixed amount of nitrogen? Amount N Amount O Compound A 1.206 g 2.755 g Compound B 1.651 g 4.714 garrow_forwardThe following isotopes have applications in medicine. Write their symbols in the form XZA. a. cobalt-60 b. phosphorus-32 c. iodine-131 d. sulfur-35arrow_forwardCobalt has three radioactive isotopes used in medical studies. Atoms of these isotopes have 30, 31, and 33 neutrons, respectively. Give the complete symbol for each of these isotopes.arrow_forward
- An isotope of an element contains 63 protons and 91 neutrons. (a) Identify the element and give its symbol. (b) Give the elements atomic number. (c) Give the mass number of the isotope. (d) This element has two naturally occurring isotopes. Given the information in the table, calculate the atomic weight of the element. (e) In which region of the periodic table is the element found? Explain your answer. (f) Is the element a metal, metalloid, or nonmetal? Explain your answer. (g) This element, used in compact fluorescent light bulbs and computer screens, has an atomic radius of 180 pm. Calculate how long the chain of atoms would be if all the atoms in a 1.25-mg sample of this element were put into a row.arrow_forwardDetermine whether each statement that follows is true or false. a Dalton proposed that atoms of different elements always combine on a one-to-one basis. b According to Dalton, all oxygen atoms have the same diameter. c The mass of an electron is about the same as the mass of a proton. d There are subatomic particles in addition to the electron, proton, and neutron. e The mass of an atom is uniformly distributed throughout the atom. f Most of the particles fired into the gold foil in the Rutherford experiment were not deflected. g The masses of the proton and electron are equal but opposite in sign. h Isotopes of an element have different electrical charges. i The atomic number of an element is the number of particles in the nucleus of an atom of that element. j An oxygen 16 atom has the same number of protons as an oxygen17 atom. k The nuclei of nitrogen atoms have a different number of protons from the nuclei of any other element. l Neutral atoms of sulfur have a different number of electrons from neutral atoms of any other element. m Isotopes of different elements that exhibit the same mass number exhibit similar chemical behavior. n The mass number of carbon 12 atom is exactly 12g. o Periods are arranged vertically in the periodic table. p The atomic mass of the second element in the farthest right column of the periodic table is 10u. q Nb is the symbol of the element for which Z=41. r Elements in the same column of the periodic table have similar properties. s The element for which Z=38 is in both Group 2A/2 and the fifth period.arrow_forward2.90 Naturally occurring europium has an average atomic weight of 151.964 amu. If the only isotopes of europium present are 151Eu and 153Eu, describe how you would determine the relative abundance of the two isotopes. Include in your description any information that would need to be looked up.arrow_forward
- Samples of compound X, Y, and Z are analyzed, with results shown here. Compound Description Mass of Carbon Mass of Hydrogen X clear, colorless, liquid with strong odor 1.776 g 0.148 g Y clear, colorless, liquid with strong odor 1.974 g 0.329 g Z clear, colorless, liquid with strong odor 7.812 g 0.651 g Do these data provide example(s) of the law of definite proportions, the law of multiple proportions, neither, or both? What do these data tell you about compounds X, Y, and Z?arrow_forwardA single molecule has a mass of 7.31 1023 g. Provide an example of a real molecule that can have this mass. Assume the elements that make up the molecule are made of light isotopes where the number of protons equals the number of neutrons in the nucleus of each element.arrow_forwardEach of the following statements is true, but Dalton might have had trouble explaining some of them with his atomic theory. Give explanations for the following statements. a. The space-filling models for ethyl alcohol and dimethyl ether are shown below. These two compounds have die same composition by mass (52% carbon, 13% hydrogen, and 35% oxygen), yet the two have different melting points, boiling points, and solubilities in water. b. Burning wood leaves an ash that is only a small fraction of the mass of the original wood. c. Atoms can be broken down into smaller particles. d. One sample of lithium hydride is 87.4% lithium by mass, while another sample of lithium hydride Ls 74.9% lithium by mass. However, the two samples have the same chemical properties.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning
Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Introductory Chemistry: An Active Learning Approa...
Chemistry
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Cengage Learning
The Bohr Model of the atom and Atomic Emission Spectra: Atomic Structure tutorial | Crash Chemistry; Author: Crash Chemistry Academy;https://www.youtube.com/watch?v=apuWi_Fbtys;License: Standard YouTube License, CC-BY