EBK CHEMISTRY: AN ATOMS FIRST APPROACH2nd EditionZUMDAHL Publisher: CENGAGE LISBN: 8220100552236
EBK CHEMISTRY: AN ATOMS FIRST APPROACH
Solutions for EBK CHEMISTRY: AN ATOMS FIRST APPROACH
Problem 1RQ:
Four types of electromagnetic radiation (EMR) are ultraviolet, microwaves, gamma rays, and visible....Problem 2RQ:
Characterize the Bohr model of the atom. In the Bohr model, what do we mean when we say something is...Problem 3RQ:
What experimental evidence supports the quantum theory of light? Explain the wave-particle duality...Problem 4RQ:
List the most important ideas of the quantum mechanical model of the atom. Include in your...Problem 5RQ:
What are quantum numbers? What information do we get from the quantum numbers n, l, and ml? We...Problem 6RQ:
How do 2p orbitals differ from each other? How do 2p and 3p orbitals differ from each other? What is...Problem 7RQ:
Four blocks of elements in a periodic table refer to various atomic orbitals being filled. What are...Problem 8RQ:
What is the difference between core electrons and valence electrons? Why do we emphasize the valence...Problem 10RQ:
The radius trend and the ionization energy trend are exact opposites. Does this make sense?Problem 2ALQ:
Defend and criticize Bohrs model. Why was it reasonable that such a model was proposed, and what...Problem 3ALQ:
The first four ionization energies for the elements X and Y are shown below. The units are not...Problem 4ALQ:
Compare the first ionization energy of helium to its second ionization energy, remembering that both...Problem 6ALQ:
Explain why a graph of ionization energy versus atomic number (across a row) is not linear. Where...Problem 8ALQ:
Account for the fact that the line that separates the metals from the nonmetals on the periodic...Problem 9ALQ:
Explain electron from a quantum mechanical perspective, including a discussion of atomic radii,...Problem 10ALQ:
Choose the best response for the following. The ionization energy for the chlorine atom is equal in...Problem 11ALQ:
Consider the following statement "The ionization energy for the potassium atom is negative, because...Problem 13ALQ:
How does probability fit into the description of the atom?Problem 16ALQ:
Is the following statement true or false? The hydrogen atom has a 3s orbital. Explain.Problem 17ALQ:
Which is higher in energy, the 2s or 2p orbital, in hydrogen? Is this also true for helium? Explain.Problem 18ALQ:
Prove mathematically that it is more energetically favorable for a fluorine atom to take an electron...Problem 19Q:
What type of relationship (direct or inverse) e xists between wavelength, frequency, and photon...Problem 20Q:
What do we mean by the frequency of electromagnetic radiation? Is the frequency the same as the...Problem 21Q:
Explain the photoelectric effectProblem 22Q:
Describe briefly why the study of electromagnetic radiation bas been important to our understanding...Problem 23Q:
How does the wavelength of a fast-pitched baseball compare to the wavelength of an electron...Problem 24Q:
The following is an energy-level diagram for electronic transitions in the Bohr hydrogen atom. a....Problem 25Q:
The Bohr model works for only one electron species. Why do we discuss it in this text (what's good...Problem 26Q:
We can represent both probability and radial probability versus distance from the nucleus for a...Problem 28Q:
The periodic table consists of four blocks of elements that correspond to s, p, d, and f orbitals...Problem 31Q:
Elements with very large ionization energies also tend to have highly negative (favorable) electron...Problem 34Q:
Scientists use emission spectra to confirm the presence of an element in materials of unknown...Problem 38Q:
Many more anhydrous lithium salts are hygroscopic (readily absorb water) than are those of the other...Problem 39E:
The laser in an audio CD player uses light with a wavelength of 7.80 102 nm. Calculate the...Problem 40E:
An FM radio station broadcasts at 99.5 MHz. Calculate the wavelength of the corresponding radio...Problem 41E:
Microwave radiation has a wavelength on the order of 1.0 cm. Calculate the frequency and the energy...Problem 42E:
A photon of ultraviolet (UV) light possesses enough energy to mutate a strand of human DNA. What is...Problem 43E:
Octyl methoxycinoamate and oxybenzone are common ingredients in sunscreen applications. These...Problem 44E:
Human color vision is " produced" by the nervous system based on how three different cone receptors...Problem 45E:
Consider the following waves representing electromagnetic radiation: Which wave has the longer...Problem 46E:
One type of electromagnetic radiation has a frequency of 107.1 MHz, another type has a wavelength of...Problem 47E:
Carbon absorbs energy at a wavelength of 150. nm. The total amount of energy emitted by a carbon...Problem 48E:
X rays have wavelengths on the order of 1 1010 m. Calculate the energy of 1.0 1010 m X rays in...Problem 49E:
The work function of an element is the energy required to remove an electron from the surface of the...Problem 50E:
It takes 208.4 kJ of energy to remove 1 mole of electrons from an atom on the surface of rubidium...Problem 51E:
It takes 7.21 1019 J of energy to remove an electron from an iron atom. What is the maximum...Problem 52E:
Ionization energy is the energy required to remove an electron from an atom in the gas phase. The...Problem 53E:
Calculate the de Broglie wavelength for each of the following. a. an electron with a velocity 10.%...Problem 54E:
Neutron diffraction is used in determining the structures of molecules. a. Calculate the de Broglie...Problem 55E:
A particle has a velocity that is 90.% of the speed of light. If the wavelength of the particle is...Problem 56E:
Calculate the velocities of electrons with de Broglie wavelengths of 1.0 102 nm and 1.0 nm.Problem 57E:
Calculate the wavelength of light emiued when each of the following transitions occur in the...Problem 58E:
Calculate the wavelength of light emitted when each of the following transitions occur in the...Problem 59E:
Using vertical lines, indicate the transitions from Exercise 57 on an energy-level diagram for the...Problem 60E:
Using vertical lines, indicate the transitions from Exercise 58 on an energy-level diagram for the...Problem 61E:
Calculate the longest and shortest wavelengths of light emilled by electrons in the hydrogen atom...Problem 62E:
Assume that a hydrogen atoms electron has been excited to the n = 5 level. How many different...Problem 63E:
Does a photon of visible light ( 400 to 700 nm) have sufficient energy to excite an electron in a...Problem 64E:
An electron is excited from the n = 1 ground state to the n = 3 state in a hydrogen atom. Which of...Problem 65E:
Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from...Problem 66E:
Consider an electron for a hydrogen atom in an excited state. The maximum wavelength of...Problem 67E:
An excited hydrogen atom with an electron in the n = 5 state emits light having a frequency of 6.90 ...Problem 68E:
An excited hydrogen atom emits light with a wavelength of 397.2 nm to reach the energy level for...Problem 69E:
Using the Heisenberg uncertainty principle, calculate x for each of the following. a. an electron...Problem 70E:
The Heisenberg uncertainty principle can be expressed in the form Eth4 where E represents energy and...Problem 72E:
Identify each of the following orbitals and determine the n and l quantum numbers. Explain your...Problem 73E:
Which of the following sets of quantum numbers are not allowed in the hydrogen atom? For the sets of...Problem 74E:
Which of the following sets of quantum numbers are not allowed? For each incorrect set, state why it...Problem 75E:
What is the physical significance of the value of 2 at a particular point in an atomic orbital?Problem 76E:
In defining the sizes of orbitals, why must we use an arbitrary value, such as 90% of the...Problem 77E:
Total radial probability distributions for the helium, neon, and argon atoms are shown in the...Problem 78E:
Tbe relative orbital levels for the hydrogen atom can be represented as Draw the relative orbital...Problem 81E:
Give the maximum number of electrons in an atom that can have these quantum numbers: a. n = 4 b. n =...Problem 82E:
Give the maximum number of electrons in an atom that can have these quantum numbers: a. n = 0, l =...Problem 83E:
Draw atomic orbital diagrams representing the ground-state electron configumtion for each of the...Problem 84E:
For elements l36, there are two exceptions to the filling order as predicted from the periodic...Problem 85E:
The elements Si, Ga, As, Ge, Al, Cd, S, and Se are all used in the manufacture of various...Problem 86E:
The elements Cu, O, La, Y, Ba, Tl, and Bi are all found in high-temperature ceramic superconductors....Problem 87E:
Write the expected electron configurations for each of the following atoms: Sc, Fe, P, Cs, Eu, Pt,...Problem 88E:
Write the expected electron configurations for each of the following atoms: Cl, Sb, Sr, W, Pb, Cf.Problem 89E:
The four most abundant elements by mass in the human body are oxygen, carbon, hydrogen, and...Problem 90E:
The first-row transition metals from chromium through zinc all have some biologic function in the...Problem 91E:
Write the expected ground-state electron configuration for the following. a. the element with one...Problem 92E:
Using only the periodic table inside the front cover of the text, write the expected ground-state...Problem 93E:
Given the valence electron orbital level diagram and the description, identify the element or ion....Problem 94E:
Identify the following elements. a. An excited state of this element has the electron configuration...Problem 95E:
In the ground state of mercury, Hg, a. how many electrons occupy atomic orbitals with n = 3? b. how...Problem 96E:
In the ground state of element 115, Uup, a. how many electrons have n = 5 as one of their quantum...Problem 97E:
Give a possible set of values of the four quantum numbers for all the electrons in a boron atom and...Problem 98E:
Give a possible set of values of the four quantum numbers for the 4s and 3d electrons in titanium.Problem 99E:
Valence electrons are those electrons in the outermost principal quantum level (highest n level) of...Problem 100E:
How many valence electrons do each of the following elements have, and what are the specific valence...Problem 101E:
A certain oxygen atom has the electron configuration 1s22s22px22py2. How many unpaired electrons are...Problem 102E:
Which of the following electron configurations correspond to an excited state? Identify the atoms...Problem 105E:
One bit of evidence that the quantum mechanical model is correct lies in the magnetic properties of...Problem 106E:
Identify how many unpaired electrons are present in each of the followiog in the ground state: O,...Problem 108E:
Arrange the following groups of atoms in order of increasing size. a. Rb, Na, Be b. Sr, Se, Ne c....Problem 111E:
In each of the following sets, which atom or ion bas the smallest radius? a. H, He b. Cl, In, Se c....Problem 112E:
In each of the following sets, which atom or ion has the smallest ionization energy? a. Ca, Sr, Ba...Problem 115E:
The first ionization energies of As and Se are 0.947 and 0.941 MJ/mol, respectively. Rationalize...Problem 116E:
Rank the elements Be, B, C, N, and O in order of increasing first ionization energy. Explain your...Problem 118E:
The following graph plots the first, second, and third ionization energies for Mg, Al, and Si....Problem 120E:
For each of the following pairs of elements (Mg and K) (F and Cl) pick the atom with a. more...Problem 121E:
The electron affinities of the elements from aluminum to chlorine are 44, 120, 74, 200.4, and ...Problem 122E:
In the second row of the periodic table, Be, N, and Ne all have positive (unfavorable) electron...Problem 124E:
Order the atoms in each of the following sets from the least negative electron affinity to the most....Problem 125E:
The electron affinity for sulfur is more negative than that for oxygen. How do you account for this?Problem 126E:
Which has the more negative electron affinity, the oxygen, atom or the O ion? Explain your answer.Problem 127E:
Write equations corresponding to the following: a. the fourth ionization energy of Se b. the...Problem 128E:
Using data from the text, determine the following values (justify your answer): a. the electron...Problem 129E:
Cesium was discovered in natural mineral waters in 1860 by R. W. Bunsen and G. R. Kirchhoff, using...Problem 130E:
'The bright yellow light emitted by a sodium vapor lamp consists of two emission Lines at 589.0 and...Problem 131E:
Does the information on alkali metals in Table 2-8 of the text confirm the general periodic trends...Problem 134E:
Complete and balance the equations for the following reactions. a. Cs(s) + H2O(l) b. Na(s) + Cl2(g)Problem 136AE:
A carbon-oxygen double bond in a certain organic molecule absorbs radiation that has a frequency of...Problem 137AE:
Mars is roughly 60 million km from the earth. How long does it take for a radio signal originating...Problem 138AE:
Consider the following approximate visible light spectrum: Barium emits light in the visible region...Problem 139AE:
One of the visible lines in the hydrogen emission spectrum corresponds to the n = 6 to n = 2...Problem 141AE:
Are the following statements true for the hydrogen atom only, true for all atoms, or not true for...Problem 143AE:
The four most abundant elements by mass in the human body are oxygen, carbon, hydrogen, and...Problem 144AE:
Which of the following orbital designations are incorrect: 1s, 1p, 7d, 9s, 3f, 4f, 2d?Problem 145AE:
The successive ionization energies for an unknown element are I1 = 896 kJ/mol I2 = 1752 kJ/mol I3 =...Problem 146AE:
An unknown element is a nonmetal and has a valence electron configuration of ns2np4 a. How many...Problem 147AE:
While Mendeleev predicted the existence of several undiscovered elements. he did not predict the...Problem 148AE:
Photosynthesis uses 660-nm light to convert CO2 and H2O into glucose and O2. Calculate the frequency...Problem 149AE:
Photogray lenses incorporate small amounts of silver chloride in the glass of the lens. When light...Problem 150CWP:
It takes 476 kJ to remove 1 mole of electrons from the atoms at the surface of a solid metal. How...Problem 153CWP:
Determine the maximum number of electrons that can have each of the following designations: 2f,...Problem 154CWP:
Consider the ground state of arsenic, As. How many electrons have l = 1 as one of their quantum...Problem 155CWP:
Which of the following statements is(are) true? a. The 2s orbital in the hydrogen atom is larger...Problem 156CWP:
Identify the following three elements. a. The ground-state electron configuration is [Kr]5s24d105p4....Problem 159CWP:
Three elements have the electron configurations 1s22s22P63s2, 1s22s22p63s23p4, and...Problem 160CP:
One of the emission spectral lines for Be3+ has a wavelength of 253.4 nm for an electronic...Problem 161CP:
The figure below represents part of the emission spectrum for a one-electron ion in lhe gas phase....Problem 162CP:
When lhe excited electron in a hydrogen atom falls from n = 5 to n = 2, a photon of blue light is...Problem 165CP:
The wave function for the 2pz, orbital in the hydrogen atom is 2pl=142(za0)3/2e/2cos where a0 is the...Problem 166CP:
Answer the following questions, assuming that ms, could have three values rather than two and that...Problem 167CP:
Assume that we are in another universe with different physical laws. Electrons in this universe are...Problem 168CP:
Without looking at data in the text, sketch a qualitative graph of the third ionization energy...Problem 169CP:
The following numbers are the ratios of second ionization energy to first ionization energy: Na: 9.2...Problem 170CP:
We expect the atomic radius to increase going down a group in the periodic table. Can you suggest...Problem 171CP:
The ionization energy for a 1s electron in a silver atom is 2.462 106 kJ/mol. a. Determine an...Browse All Chapters of This Textbook
Chapter 1 - Chemical FoundationsChapter 2 - Atomic Structure And PeriodicityChapter 3 - Bonding: General ConceptsChapter 4 - Molecular Structure And OrbitalsChapter 5 - StoichiometryChapter 6 - Types Of Chemical Reactions And Solution StoichiometryChapter 7 - Chemical EnergyChapter 8 - GasesChapter 9 - Liquids And SolidsChapter 10 - Properties Of Solutions
Chapter 11 - Chemical KineticsChapter 12 - Chemical EquilibriumChapter 13 - Acids And BasesChapter 14 - Acid- Base EquilibriaChapter 15 - Solubility And Complex Lon EquilibriaChapter 16 - Spontaneity, Entropy, And Free EnergyChapter 17 - ElectrochemistryChapter 18 - The Nucleus: A Chemist's ViewChapter 19 - The Representative ElementsChapter 20 - Transition Metals And Coordination ChemistryChapter 21 - Organic And Biological Molecules
Book Details
Steve and Susan Zumdahl's texts focus on helping students build critical -thinking skills through the process of becoming independent problem-solvers. They help students learn to ""think like chemists"" so they can apply the problem solving process to all
Sample Solutions for this Textbook
We offer sample solutions for EBK CHEMISTRY: AN ATOMS FIRST APPROACH homework problems. See examples below:
Chapter 1, Problem 1RQChapter 1, Problem 43EExplanation: Given Atomic number, Z=8 Number of neutrons, n=9 An atom is represented by the...Chapter 1, Problem 47EChapter 1, Problem 48EChapter 1, Problem 51EChapter 1, Problem 52EChapter 1, Problem 55AEChapter 1, Problem 70IP
Chapter 2, Problem 1RQChapter 2, Problem 24QChapter 2, Problem 43EChapter 2, Problem 45EChapter 2, Problem 57EChapter 2, Problem 58EChapter 2, Problem 62EChapter 2, Problem 63EChapter 2, Problem 69EChapter 2, Problem 74EChapter 2, Problem 79EChapter 2, Problem 81EChapter 2, Problem 82EChapter 2, Problem 95EChapter 2, Problem 96EChapter 2, Problem 97EChapter 2, Problem 99EExplanation: The filling of orbitals according to their energy levels gives the expected...Chapter 2, Problem 167CPChapter 3, Problem 1RQExplanation: Refer to figure 3-4. The electro negativity of carbon (C) , nitrogen (N) , and oxygen...Explanation: Refer to figure 3-4 The electro negativity of Sodium (Na) Potassium (K) and Rubidium...Chapter 3, Problem 43EChapter 3, Problem 50EExplanation: The given chemical reaction is S−(g)+e−→S2−(g) First step involved in the given...Chapter 3, Problem 82EChapter 3, Problem 87EChapter 3, Problem 99EExplanation: In naming of covalent compound, the name of cation comes first which is the name of...Explanation: Rules for binary compound: In naming of binary compound, the name of cation comes first...Explanation: Sulfur belongs to the Group VI , the oxidation state of sulfur is +2 . Fluorine is a...Explanation: To determine: The error in the naming of FeCl3 FeCl3 is a binary compound. Roman...Explanation: The chemical reaction involved is, HF(g)→H+(g)+F−(g) The various steps included in the...Explanation: Calcium belongs to the Group II A , hence the oxidation state of calcium is +2 ....Chapter 3, Problem 152CPExplanation: Given The chemical reaction involved is, C6H6N12O12(s)→6CO(g)+6N2(g)+3H2O(g)+32O2(g)...Chapter 3, Problem 158IPChapter 4, Problem 1RQChapter 4, Problem 3RQChapter 4, Problem 23EExplanation: The steps are to be followed to determine the molecular structure is: Identify the...Chapter 4, Problem 26EThe central atom in CCl4 is carbon (C). The electronic configuration of carbon is, 1s22s22p2 The...Explanation: The atomic number of phosphorous is 15 and its electronic configuration is,...Chapter 4, Problem 48EChapter 4, Problem 49EChapter 4, Problem 50EExplanation: The central atom in XeO3 is xenon (Xe). The electronic configuration of xenon is,...Explanation: For SO3 compound The central atom in SO3 is sulfur (S) and its electronic configuration...Chapter 4, Problem 87AEChapter 4, Problem 115CPExplanation: To determine: The explanation for the term “counting by weighing”. The stated concept,...Chapter 5, Problem 23QExplanation: Given The mass of NH3 is 1.00 g . The molar mass of NH3 is, (14.006+3×1.0079)...Chapter 5, Problem 60EChapter 5, Problem 61EChapter 5, Problem 67EChapter 5, Problem 68EChapter 5, Problem 71EChapter 5, Problem 72EChapter 5, Problem 73EChapter 5, Problem 76EChapter 5, Problem 79EChapter 5, Problem 100EChapter 5, Problem 118EChapter 5, Problem 119EChapter 5, Problem 121EChapter 5, Problem 124EChapter 5, Problem 130AEChapter 5, Problem 150AEChapter 5, Problem 152CWPChapter 6, Problem 1RQExplanation Formula equation contains all the ions together. The soluble ionic compounds are shown...Explanation: NaBr(s)→Na(aq)++Braq- Figure 1 Let us consider the above molecular-level pictures of...Explanation: Record the given data Moles of Sodium phosphate= 0.200 moles Volume of the solution=...Chapter 6, Problem 62EChapter 6, Problem 63EChapter 6, Problem 68EChapter 6, Problem 81EExplanation: Case 1: To find the oxidation state of Sr in SrCr2O7 Here x is oxidation state of Sr x...Explanation: To name three reagents that precipitates with Cl- ion. The three reagents that...Explanation: Record the given data Mass of solute= 100ppm standard Volume of stock solution= 1000...Explanation: Given: Record the given info Mass of sample containing chlorine = 0.256 g Mass of...Explanation Record the given data Mass of the sample mixture = 0.205 g Mass of the precipitate =...Explanation: Given: Record the given data Upstream at which the stream rate flows = 5.00×104 L/s...Chapter 6, Problem 146MPChapter 6, Problem 147MPChapter 7, Problem 1RQChapter 7, Problem 20QChapter 7, Problem 34EChapter 7, Problem 50EExplanation: Given data Standard state for given compound in the reaction are, Substance and state...Chapter 7, Problem 78EChapter 7, Problem 79EExplanation: The balanced equation is: a) N2(g)→N2(l) In (a) the volume of products is decreases...Explanation Calculate the enthalpy change of given reactions. Given data:...Chapter 7, Problem 111AEChapter 7, Problem 126CPChapter 7, Problem 131CPChapter 7, Problem 133IPChapter 7, Problem 135IPChapter 7, Problem 137MPExplanation A barometer consists of Mercury column that is tipped inverted and positioned in a dish...Chapter 8, Problem 41EExplanation: The relation between pressures measured in the manometers containing mercury and...Explanation According to ideal gas equation, PV=nRT By rearranging the above equation, PVnT=R Since...Explanation: To find: the mole fractions of CH4 and O2 in the given mixture if the partial pressure...Chapter 8, Problem 99EExplanation To determine: The partial pressure of carbon monoxide Partial pressure of carbon...Explanation To determine: The mixing ratio of benzene Mixing ratio of benzene = 9.47 × 10-3ppmv For...Explanation To determine: The mass percent from the given data 26.1% Carbon13.1% Hydrogen61.0%...Chapter 8, Problem 135AEExplanation To find: the empirical formula of the compound Convert the mass percent to gram 58.51%...Chapter 8, Problem 139AEChapter 8, Problem 154CPChapter 8, Problem 155CPExplanation To determine: Mass of hot air when the average molar mass of air 29.0g/mol Mass of hot...Explanation: To find: the balanced chemical equation of the given reaction. N2 + 3H2 → 2 NH3 The...Chapter 8, Problem 166IPChapter 9, Problem 1RQChapter 9, Problem 41EExplanation: CCl4 , CBr4, CF4 Identify the compound which has highest boiling point and justify it....Explanation Calculate the mass of a unit cell. Average mass of one Ni atom = atomic mass of...Explanation Calculate the atomic radius of lead. given data: edge length, a = 492 pm = 492 × 10-12 m...Chapter 9, Problem 55EChapter 9, Problem 56EChapter 9, Problem 57EChapter 9, Problem 58EChapter 9, Problem 59EChapter 9, Problem 60EChapter 9, Problem 62EChapter 9, Problem 80EChapter 9, Problem 88EChapter 9, Problem 131CPChapter 9, Problem 146CPChapter 9, Problem 148IPTo explain Molarity: Molarity can be defined as moles of solute to litres of solution. The number of...Chapter 10, Problem 16SRChapter 10, Problem 31EChapter 10, Problem 32EExplanation: Record the given data Gram equivalent of HCl = 0.25 Molarity of HCl = 0.25 M To...Explanation: KrF2 8+2(7)=22e- KrF2 is dissolves in CCl4 . KrF2 is non-polar molecule that makes it...Chapter 10, Problem 79EExplanation: Record the given data, Molality of MgCl2= 0.050 m Molality of FeCl3= 0.050 m To...Explanation: Record the given data, Molality of MgCl2= 0.050 m Molality of FeCl3= 0.050 m To...Explanation: To find the Acetone and water polarity CH3COCH3 and H2O The electrostatic possible...Explanation: Record the given data, Freezing point of an aqueous solution =- 2.79°C To calculate...Explanation: Record the given info Mass of Sodium = 285-315 mg Mass of Potassium = 14.1-17.3 mg Mass...Chapter 10, Problem 109AEChapter 10, Problem 120CPChapter 10, Problem 132IPChapter 11, Problem 1RQChapter 11, Problem 25EChapter 11, Problem 30EChapter 11, Problem 33EChapter 11, Problem 35EChapter 11, Problem 36EChapter 11, Problem 58EChapter 11, Problem 84AEChapter 11, Problem 86AEChapter 11, Problem 91AEChapter 11, Problem 93AEExplanation Given The given reaction is stated as, NO(g)+O3(g)→NO2(g)+O2(g) There are two reactants...Explanation The order of the reaction with respect to [H2O2] and [I−] is zero and first order...Chapter 12, Problem 1RQChapter 12, Problem 5ALQExplanation: Given The stated reaction is, N2(g)+3H2(g)⇌2NH3(g) The equilibrium constant (K) for the...Chapter 12, Problem 39EChapter 12, Problem 42EChapter 12, Problem 54EExplanation: Given The initial partial pressure of N2O4(g) (PN2O4) is 4.5 atm. The equilibrium...Explanation: Given The stated reaction is, 2NOCl(g)⇌2NO(g)+Cl2(g) The initial number of moles NOCl...Chapter 12, Problem 72AEChapter 12, Problem 73AEExplanation The pressure of PCl5 in undissociated form is 1.16 atm_ . Given The reactions are given...Explanation Given The stated reaction is, P4(g)⇌2P2(g) The total pressure of the equilibrium mixture...Chapter 12, Problem 106CPChapter 13, Problem 1RQChapter 13, Problem 49EChapter 13, Problem 50EExplanation For solution a Given The pH of the solution is 6.88 . The sum, pH+pOH=14 Where, pOH is...Explanation To determine: The major species present in 0.250 M solution of HNO2 and the pH of this...Explanation The major species present in 0.250 M solution of C6H5OH are C6H5OH and H2O . C6H5OH is a...Chapter 13, Problem 68EChapter 13, Problem 73EExplanation HNO3 is a strong acid. A strong acid completely dissociates in water. Therefore, the...Chapter 13, Problem 97EChapter 13, Problem 98EChapter 13, Problem 101EExplanation To determine: The pH of the given solution, prepared by dissolving one vitamin C tablet...Chapter 13, Problem 108EExplanation To determine: T The pH of the given H2S solution and the [S2−] . The equilibrium...Chapter 13, Problem 117EExplanation The equilibrium constant expression for the given reaction is, Ka=[CH3NH2][H+][CH3NH3+]...Explanation The equilibrium constant expression for the given reaction is, Kb=[HNO2][OH−][NO2−] The...Chapter 13, Problem 123EExplanation To determine: The pH of a 0.20 M solution of HC7H4ClO2 . The pOH of the given NaC7H4ClO2...Chapter 13, Problem 151AEChapter 14, Problem 1RQChapter 14, Problem 7RQChapter 14, Problem 43EChapter 14, Problem 57EChapter 14, Problem 58EChapter 14, Problem 59EExplanation The value of pH of solution when 0.0 mL HNO3 has been added is. 10.74_ . Given: The...Chapter 14, Problem 61EChapter 14, Problem 62EChapter 14, Problem 63EChapter 14, Problem 64EExplanation Given Concentration of HC7H5O2 is 0.10 M . Volume of the solution is 100 mL ....Explanation The value of pH of solution when 0.0 mL NaOH has been added is. 1.0_ . Given: The...Explanation Given The four titrations are given as, I. 150 ml of 0.2 M NH3(Kb=1.8×10−5) by 0.2 M HCl...Chapter 15, Problem 1RQExplanation To determine: The solubility product of CaC2O4 . The concentration of Ca2+ is 4.8×10−5...Chapter 15, Problem 22EChapter 15, Problem 27EExplanation To determine: The solubility of PbI2 (in mol/L ) from the given Ksp value. The...Explanation To identify: The solid that has the smallest molar solubility from CaF2 and BaF2 . The...Chapter 15, Problem 36EChapter 15, Problem 37EChapter 15, Problem 39EExplanation To determine: The solubility of PbI2 in water. The solubility of PbI2 in water is 0.0015...Chapter 15, Problem 53EChapter 15, Problem 70EExplanation To determine: The equilibrium concentrations of NH3 , Cu2+ , Cu(NH3)2+ , Cu(NH3)22+ ,...Chapter 16, Problem 1RQThe stated reaction is, CH4(g)+2O2(g)→CO2(g)+2H2O(g) Refer to Appendix 4 . The value of ΔS∘(J/K⋅mol)...Chapter 16, Problem 54EGiven The reactions are given as, 2CH4(g)+CO2(g)→CH3COOH(l)CH3OH(g)+CO(g)→CH3COOH(l) The given...Chapter 16, Problem 64EThe reaction that takes place is, N2(g)+3H2(g)→2NH3(g) Refer to Appendix 4 . The value of...Chapter 16, Problem 70EChapter 16, Problem 72EChapter 16, Problem 74EChapter 16, Problem 78EGiven Temperature is 298 K . The value of equilibrium constant is 0.090 . The stated reaction is,...Given The reaction is given as, HF(aq)⇌H+(aq)+F−(aq) Concentration values are given as,...Chapter 16, Problem 121MPChapter 16, Problem 122MPChapter 17, Problem 1RQChapter 17, Problem 16RORRChapter 17, Problem 29EExplanation: The balanced equation is defined as follows,...Explanation: The balanced equation is defined as follows,...Explanation: The balanced equation is defined as follows,...Explanation: The value of E°cell is calculated as 0.97 V_ . The reaction taking place at cathode is,...Explanation: The given cell reaction is, Cr3+(aq)+Cl2(g)⇌Cr2O72−(aq)+Cl−(aq) The reaction taking...Explanation: The reduction potential value for I2 is, I2+2e−→2I− E°=0.52 V The reduction potential...Explanation: Given The disproportionation reaction is, 2Cu+(aq)→Cu2+(aq)+Cu(s) The reaction taking...Chapter 17, Problem 95EChapter 17, Problem 115AEChapter 17, Problem 117AEExplanation Given The given reaction is, Fe(s)+HCl(aq)→HFeCl4(aq)+H2(g) . In this equation, the...Explanation Given The molar concentration of Zn2+ is (0.10 M) . The molar concentration of Cu2+ is...Explanation The half cell reactions are, Anode: Hg→Hg2++2e− Eanodeο=0.242 V Cathode: 2Ag++2e−→2Ag...Chapter 17, Problem 159MPExplanation (a) To define: The term thermodynamic stability. The thermodynamic stability is related...Explanation: Alpha particle is emitted. The parent nuclide is 232Th and the nuclide after the...Explanation The most stable isotope is 81Kr and the hottest one is 73Kr The nuclides having longer...Explanation Given The atomic mass of 232Pu is 3.85285×10−22 g . The mass of a neutron is...Explanation Given The atomic mass of 612C is 12.000 amu . Mass of 11H 1.00782 amu . The mass of...Explanation The atomic mass of 11H=1.0078 amu The mass of a neutron is 1.0087 amu . Mass of...Explanation Given The value of half life of 87Rb is 4.5×109 years . The decay constant is calculated...Explanation The decay constant is calculated by the formula given below. λ=0.693t1/2 Where t1/2 is...Explanation: The zirconium metal is capable of reducing water to form hydrogen gas at standard...Explanation The number of α and β particles produced are 4_ and 2_ . The mass number of 92238U is...Chapter 19, Problem 1RQExplanation The stated reaction is, CH4(g)+H2O(g)⇌CO(g)+3H2(g) Refer to Appendix 4 The value of...Explanation The stated reaction is, 3H2(g)+N2(g)⇌2NH3(g) Refer to Appendix 4 The value of...Explanation The value of ΔH° for the given reaction is 180 kJ_ . The stated reaction is,...Explanation: The compound XeO4 and IO4− ion are isoelectronic. The molecule xenon tetroxide (XeO4)...Explanation: The Lewis structure, molecular structure, bond angle and hybridization of central atom...Explanation Given Dimension of room is 10.0 m×10.0 m×10.0 m . Temperature is 25 °C . Pressure is...Explanation: Hydrogen gas is produced by reacting graphite with water. C(s)+H2O(g)→CO(g)+H2(g) The...Explanation: Given Total pressure is 1.0 atm . The reaction of formation of ammonia is,...Explanation: Mass of radon (Ra) is 25 g_ . Given Mass of pitch-blende is 1.75×108 g . The conversion...Explanation Given Temperature is 900 K . Pressure of In(CH3)3 is 2.00 atm . Volume of In(CH3)3 is...Explanation: The value of enthalpy of formation of NI3 is 287 kJ/mol_ . Given Enthalpy of reaction...Explanation: The oxidation state of tellurium in Te(OH)6 is +6_ . Oxidation state of oxygen is −2 ....Chapter 20, Problem 1RQExplanation: (I) To determine: The geometry and associated bond angles when a metal ion has a...Explanation Valence electrons are filled in four principal orbitals according to the energy levels....EXPLANATION (a) To write: The electron configuration of metal ion in (NH4)2[Fe(H2O)2Cl4] . The...Explanation The complex ion is [Ru(NH3)5Cl]2+. This ion contains positive charge. Oxidation state of...Explanation The complex compound is [Co(NH3)6]Cl2 . Oxidation state of Chlorine ion (Cl−) is −1 ....Explanation The complex compound is [Cr(H2O)5Br]Br2 . Oxidation state of Bromine ion (Br−) is −1 ....Explanation The spectrochemical series (crystal field splitting energy) of strong to weak ligand is,...Explanation The value of ΔH° for the given reaction is −11 kJ_ . For the reaction,...Explanation The reaction that takes place is, 3Fe2O3(s)+CO(g)→2Fe3O4(s)+CO2(g) Refer to Appendix 4....Explanation The given equations are, Co+3+e−→Co+2 Eο=1.82 V (1) Co2++3en→Co(en)32+ K=1.5×1012 (2)...Explanation The mass percent of Cr is 10.1% Cr_ . The molar mass of Cr is 51.99 g . The molar mass...Chapter 21, Problem 1RQChapter 21, Problem 5RQExplanation The structural isomer of C6H12 is 1 -hexene. The given formula, C6H12 has six carbon...Chapter 21, Problem 16EChapter 21, Problem 45EExplanation To determine: The monomer of the given polymer. The monomer is vinyl fluoride. It is an...Explanation The correct name of the compound is 2,3,5,6−Tetramethyl−octane whose structure is shown...Explanation The structure of the given compound 2,3,7,8−tetrachloro−dibenzo−p−dioxin is shown in...Explanation The enthalpy ΔH for the reaction is 1302 KJ_ . Hence, the reaction is an endothermic...Explanation The equilibrium constant for the reaction is 1.6×10-10_ . The given reaction is,...Explanation The equilibrium constant for the given reaction is 6.88×10−13_ . The equilibrium...Explanation Given The pressure of the hydrocarbon sample is 0.959 atm . The pressure after...Explanation The structure of C5H12 is shown in Figure 1. The structure of C5H12 is, Figure 1 The...Explanation The structure of the polymer of ABS plastic is shown in figure 1. The reaction of Abs...Given Electronic configuration of M+2 is [Ar]3d10. So, atomic number of M is 30. In periodic table...Explanation The empirical formula of the given helicene is C5H3 . Helicene is an aromatic compound...The correct responses are urea and Ammonium cyanate. The first organic compound that is synthesized...Aldohexose is a six carbon aldehyde sugar with an aldehyde group on one end.
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