EP CONCEPTUAL PHYSICAL SCI.-MOD.MASTER.
6th Edition
ISBN: 9780134091983
Author: Hewitt
Publisher: PEARSON CO
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Chapter 15, Problem 31TAS
To determine
The number of electrons lost by Manganese to form
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A 250 mL aqueous solution contains 2.37 g of copper(II) chloride. The dissolved copper(II) chloride is dissociated into copper(II) and chloride ions. Each copper(II) ion has two less electrons than protons. A scientist wishes to use an electroplating process to reduce the 1.12 g of copper ions to solid copper atoms. To be reduced from the ion form to the atom form, a copper(II) ion must gain two electrons. Each gram of copper(II) ions contains 9.48 x 1021 ions. Determine the total quantity of charge that must be supplied to turn the copper(II) ions into solid copper atpms
Chapter 15 Solutions
EP CONCEPTUAL PHYSICAL SCI.-MOD.MASTER.
Ch. 15 - How many electrons can occupy the first shell? How...Ch. 15 - Which electrons are represented by an electron-dot...Ch. 15 - Prob. 3RCQCh. 15 - How does an ion differ from an atom?Ch. 15 - To become a negative ion, does an atom lose or...Ch. 15 - Why does the fluorine atom tend to gain only one...Ch. 15 - Prob. 7RCQCh. 15 - Suppose an oxygen atom gains two electrons to...Ch. 15 - Prob. 9RCQCh. 15 - Do metals more readily gain or lose electrons?
Ch. 15 - What is an alloy?Ch. 15 - What is a native metal?Ch. 15 - Prob. 13RCQCh. 15 - Prob. 14RCQCh. 15 - Within a neutral molecule, how many covalent bonds...Ch. 15 - Prob. 16RCQCh. 15 - Prob. 17RCQCh. 15 - Prob. 18RCQCh. 15 - Prob. 19RCQCh. 15 - How can a molecule be nonpolar when it consists of...Ch. 15 - Why do nonpolar substances boil at relatively low...Ch. 15 - Which is more symmetrical: a polar molecule or a...Ch. 15 - Why dont oil and water mix?Ch. 15 - Prob. 24RCQCh. 15 - Which is stronger: the ion-dipole attraction or...Ch. 15 - What is a hydrogen bond?Ch. 15 - Are induced dipoles permanent?Ch. 15 - Prob. 31TASCh. 15 - What is the electric charge on the calcium ion in...Ch. 15 - Prob. 33TASCh. 15 - Prob. 34TASCh. 15 - Rank these bonds in order of increasing polarity:...Ch. 15 - Prob. 36TARCh. 15 - Prob. 37TARCh. 15 - Prob. 38TARCh. 15 - Prob. 39ECh. 15 - Prob. 40ECh. 15 - How many more electrons can fit within the valence...Ch. 15 - Prob. 42ECh. 15 - What happens when hydrogens electron gets close to...Ch. 15 - Prob. 44ECh. 15 - Why does an atom with few valence electrons tend...Ch. 15 - Why is it so easy for a magnesium atom to lose two...Ch. 15 - Why doesnt the neon atom tend to lose or gain any...Ch. 15 - Why does an atom with many valence electrons tend...Ch. 15 - Sulfuric acid, H2SO4, loses two protons to form...Ch. 15 - Prob. 50ECh. 15 - Which should be more difficult to pull apart: a...Ch. 15 - Prob. 52ECh. 15 - Given that the total number of atoms on our planet...Ch. 15 - An artist wants to create a metal sculpture using...Ch. 15 - Two fluorine atoms join together to form a...Ch. 15 - How are metallic bonds similar to ionic bonds? How...Ch. 15 - What drives an atom to form a covalent bond: its...Ch. 15 - Atoms of nonmetallic elements form covalent bonds,...Ch. 15 - Prob. 59ECh. 15 - Prob. 60ECh. 15 - Write the electron-dot structure for the covalent...Ch. 15 - Prob. 62ECh. 15 - In each molecule, which atom carries the greater...Ch. 15 - Which is more polar: a sulfur-bromine (S-Br) bond...Ch. 15 - True or False: The greater the nuclear charge of...Ch. 15 - True or False: The more shells in an atom, the...Ch. 15 - Water, H2O, and methane, CH4, have about the same...Ch. 15 - In the figure on the next page, the molecule from...Ch. 15 - Prob. 69ECh. 15 - Three kids sitting equally apart around a table...Ch. 15 - Which is stronger: the covalent bond that holds...Ch. 15 - The charges with sodium chloride are all...Ch. 15 - Prob. 73ECh. 15 - Prob. 74ECh. 15 - Prob. 75ECh. 15 - A thin stream of water is pulled to a rubber...Ch. 15 - Prob. 77ECh. 15 - Prob. 1RATCh. 15 - Prob. 2RATCh. 15 - Which would you expect to have a higher melting...Ch. 15 - Why are ores so valuable? (a) They are sources of...Ch. 15 - In terms of the periodic table, is there an abrupt...Ch. 15 - A hydrogen atom does not form more than one...Ch. 15 - When nitrogen and fluorine combine to form a...Ch. 15 - Prob. 8RATCh. 15 - Prob. 9RATCh. 15 - Iodine, I2, has a higher melting point than...
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- Zirconium has an HCP crystal structure and density of 6.51 g/cm³, what is the volume of its unit cell in cubic meters? А. 1.396X10-22cm³/unit cell B. 0.465X10-22cm³/unit cell C. 0.233X10-22cm³/unit cell D. 0.698X10-22cm³/unit cellarrow_forwardA hypothetical metal has the simple cubic crystal structure. If its atomic weight is 74.5 g/mole and the atomic radius is 0.145 nm, compute its density and atomic packing factor. How many number of atom per unit cell, and coordinate number of this structurearrow_forwardCalculate the radius of a tantalum atom, given that Ta has a BCC crystal structure, a density of 16.6 g/c2, and an atomic weight of 180.9 g/mol O A. 6.00X108 cm O B. 1.43X10-8 cm O C. 8.23X10 cm O D. 2.71X109 cmarrow_forward
- A loss of an oxide atom results in a 'vacancy'. The presence of these vacancies is required for conductivity in the solid state. How many vacancies will be in the doped cell? Explain how these vacancies allow oxide ions to move through the material.arrow_forwardTable 1.2 Structures and Cell Dimensions of Some Elements and Compounds Element or compound 7803838 2 2 2 2 2 5 Al Be Pt Si Ag Na Structure Agl ZnS CdS fec hcp fcc Diamond bcc hcp fcc Diamond fec bcc fec Diamond fec bcc hep LiH NaCl AgBr MnO CsCl TIBr Cu Zn (B-brass) Cesium chloride CuF Sodium chloride Sodium chloride Sodium chloride Sodium chloride Cesium chloride Cesium chloride Zincblende Zincblende Zincblende Zincblende a, Å 4.04 2.27 5.56 3.56 2.88 2.51 3.61 5.65 4.07 2.86 3.92 5.43 4.08 4.28 2.66 4.08 5.63 5.77 4.43 4.11 3.97 2.94 4.26 6.47 5.41 5.82 c, Å 3.59 4.07 4.94arrow_forwardThe edge length of a unit cell of a crystal is 4.3 Angstrom and an atomic mass of 90 g/mol. If the density of the crystal is 9.02 g/cm3, find the number of atoms in a unit cell.arrow_forward
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