atomic mass electronegativity electron affinity ionization energy heat of fusion heck 54.938 (2) Mn (g) - 1.55 kJ mol 0 1 717.3 13.2 u may find additional useful data in the ALEKS Data tab. g mol Does the following reaction absorb or release energy? (1) Mn (g) + e Mn(g) kJ mol Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above?. kJ mol If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? Mn (g) + e Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): release absorb O Can't be decided with the data given. O yes no kJ/mol O release absorb O Can't be decided with the data given. O yes O no kJ/mol MacBook Pro 2023 McGraw H

atomic mass electronegativity electron affinity ionization energy heat of fusion heck 54.938 (2) Mn (g) - 1.55 kJ mol 0 1 717.3 13.2 u may find additional useful data in the ALEKS Data tab. g mol Does the following reaction absorb or release energy? (1) Mn (g) + e Mn(g) kJ mol Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above?. kJ mol If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? Mn (g) + e Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): release absorb O Can't be decided with the data given. O yes no kJ/mol O release absorb O Can't be decided with the data given. O yes O no kJ/mol MacBook Pro 2023 McGraw H

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter3: Atomic Shells And Classical Models Of Chemical Bonding

Section: Chapter Questions

Problem 87AP: At large interatomic separations, an alkali halide molecule MX has a lower energy as two neutral...

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Platinum hexafluoride, PtF6 has a very high electron affinity (772 kJ/mol) but when lithium metal is reacted with platinum hexafluoride it is lithium fluoride Li+F- that is produced not Li+PtF6- that is formed. Suggest a reason why.
The first ionization energy of the oxygen molecule is the energyrequired for the following process:O2(g)---->O2 +(g) + e-The energy needed for this process is 1175 kJ/mol, very similarto the first ionization energy of Xe. Would you expect O2 to reactwith F2? If so, suggest a product or products of this reaction.
Consider the following data for ruthenium: atomic mass 101.07 g/mol electronegativity 2.20 electron affinity 101.3 kJ/mol ionization energy 710.2 kJ/mol heat of fusion 25.7 kJ/mol Does the following reaction absorb or release energy? (1) Ru+(g) +e− -> Ru(g) Is it possible to calculate the amount of energy absorbedor released by reaction (1) using only the data above? If you answered yes to the previous question, enter theamount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? (2) Ru−(g) -> Ru(g) + e− Is it possible to calculate the amount of energy absorbedor released by reaction (2) using only the data above? If you answered yes to the previous question, enter theamount of energy absorbed or released by reaction (2)
Consider the following data for silver: atomic mass 107.87 g/mol electronegativity 1.93 electron affinity 125.6 kJ/mol ionization energy 731.0 kJ/mol heat of fusion 11.3 kJ/mol Does the following reaction absorb or release energy? (1) Ag(g) -> Ag+(g) + e- Is it possible to calculate the amount of energy absorbedor released by reaction (1) using only the data above? If you answered yes to the previous question, enter theamount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? (2) Ag- (g) -> Ag(g) + e- Is it possible to calculate the amount of energy absorbedor released by reaction (2) using only the data above? If you answered yes to the previous question, enter theamount of energy absorbed or released by reaction (2):
To ionize Mg to Mg2+ costs two times as much energy as to form Mg+. The formation of O2- is endothermic rather than exothermic as for O-. Nevertheless, magnesium oxide is always formulated as Mg2+ O2- rather than Mg+O-a) Give theoretical reason for formulation of Mg2+O2-b) What simple experiment could be done to predict that magnesium oxide wasnot Mg+O- ?
In the chemical process called electron transfer, an electron istransferred from one atom or molecule to another. A simpleelectron transfer reaction isA(g) + A(g)---->A+(g) + A-(g) In terms of the ionization energy and electron affinity ofatom A, what is the energy change for this reaction? For arepresentative nonmetal such as chlorine, is this process exothermic?For a representative metal such as sodium, is thisprocess exothermic?
(a) Account for formation of the following series of oxidesin terms of the electron configurations of the elementsand the discussion of ionic K2O, CaO, Sc2O3, TiO2, V2O5, CrO3. (b) Name these oxides.(c) Consider the metal oxides whose enthalpies of formation(in kJ mol -1) are listed here. Calculate the enthalpy changes in the following general reactionfor each case:MnOm(s) + H2(g)----->nM(s) + mH2O(g)(You will need to write the balanced equation for each caseand then compute ΔH°.) (d) Based on the data given, estimatea value of ΔHf° for Sc2O3(s).
A gold nucleus is located at the origin of coordinates, andan electron is brought to a position 2 Å from the origin inthe 1y direction.(a) Calculate the force on the gold nucleus exerted by theelectron giving its components Fx and Fy.(b) Calculate the potential energy of the gold nucleus andthe electron.
The stratospheric ozone (O3) layer helps to protect usfrom harmful ultraviolet radiation. It does so by absorbingultraviolet light and falling apart into an O2 molecule and anoxygen atom, a process known as photodissociation.O3(g)----->O2(g) + O(g) Use the data in Appendix C to calculate the enthalpy changefor this reaction. What is the maximum wavelength a photoncan have if it is to possess sufficient energy to cause thisdissociation? In what portion of the spectrum does thiswavelength occur?
In group 15 elements, there is considerable increase in covalent radius from N to P but small increase from As to Bi. Why?
At large interatomic separations, an alkali halide moleculeMX has a lower energy as two neutral atoms, M + X; atshort separations, the ionic form (M+)(X-) has a lowerenergy. At a certain distance, Rc, the energies of the twoforms become equal, and it is near this distance that theelectron will jump from the metal to the halogen atom during a collision. Because the forces between neutral atomsare weak at large distances, a reasonably good approximation can be made by ignoring any variation in potentialV(R) for the neutral atoms between Rc and R - `. For theions in this distance range, V(R) is dominated by theirCoulomb attraction.(a) Express Rc for the first ionization energy of the metalM and the electron affinity of the halogen X.(b) Calculate Rc for LiF, KBr, and NaCl using data fromAppendix F.
The nucleus of 6Li is a powerful absorber of neutrons. Itexists in the naturally occurring metal to the extent of7.5%. In the era of nuclear deterrence, large quantitiesof lithium were processed to remove 6Li for use in hydrogenbomb production. The lithium metal remaining afterremoval of 6Li was sold on the market. (a) What are thecompositions of the nuclei of 6Li and 7Li? (b) The atomicmasses of 6Li and 7Li are 6.015122 and 7.016004 amu, respectively.A sample of lithium depleted in the lighter isotopewas found on analysis to contain 1.442% 6Li. What isthe average atomic weight of this sample of the metal?

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