6.941 mol atomic mass electronegativity 0.98 kJ 59.6 mol electron affinity kJ 520.2 mol ionization energy kJ 3.0 mol heat of fusion Does the following reaction absorb or release energy? O release absorb (1) Li (g) + e Li(g) O Can't be decided with the data given. Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? O yes O no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): I kJ/mol Does the following reaction absorb or release energy? O release absorb (2) Li(g) → Li (e) + e O Can't be decided with the data given. Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? O yes O no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): O kJ/mol

6.941 mol atomic mass electronegativity 0.98 kJ 59.6 mol electron affinity kJ 520.2 mol ionization energy kJ 3.0 mol heat of fusion Does the following reaction absorb or release energy? O release absorb (1) Li (g) + e Li(g) O Can't be decided with the data given. Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? O yes O no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): I kJ/mol Does the following reaction absorb or release energy? O release absorb (2) Li(g) → Li (e) + e O Can't be decided with the data given. Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? O yes O no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): O kJ/mol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Consider the following data for chlorine: atomic mass electronegativity electron affinity ionization energy heat of fusion 35.453 3.16 328. mol 1251.2 3.2 kJ mol kJ mol kJ mol You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? (1) C1 (₂) +- C (g) Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? 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? (2) C1¹ () +- Cl (g) 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): O release absorb Can't be decided with the data given. O yes O no release O absorb Can't be decided with the data given. O yes O no mol S
Use the following data to calculate the enthalpy change for the following reaction: 2Na(s) + O2(g) -> Na2O(s) Quantity Magnitude (kJ/mol) Ionization energy of Na(g) 495 Electron affinity of O(g) for 2e 603 Vaporization energy of Na(s) 109 Bond energy of O2(g) 499 Lattice energy for Na2O(s) –2,477
1a)Rank the following ionic compounds in order of lattice energy, from the least exothermic (least negative lattice enthalpy) to the most exothermic (most negative lattice enthalpy): Rbl, CaO, SrO, NaCl 1b)Rank the following elements in order of increasing metallic character (from least metallic to most metallic): Ca, S, Rb, Ar, Se 1c) by using the attached table of bond enthalpies, predict ?rH of the following reaction in kJ/mol H2N-NH2 + O2 ---> N2+ 2H2O
Use the data given below to construct a Born-Haber cycle to determine the lattice energy of CaO. A H°(kJ) Ca(s) → Ca(g) 193 Ca(g) → Cat (g) + e 590 Cat (g) → Ca2+(g) + e 1010 20(g) → O2(g) -498 O(g) + e O(g) -141 O(g) + e → O2(g) 878 Ca(s) + O2(g) → CaO(s) -> -635 O-2667 kJ O-3414 kJ O +1397 kJ +3028 kJ O-2144 kJ
In each row, pick the compound with the bigger lattice energy. Note: lattice energy is always greater than zero. Which compound has the bigger lattice energy? BaF2 BaO K Br Na Br SrS Rb, S ?
Which one of the following trends appears when considering lattice energies? Anion A) The higher the charge on the ions, the higher the lattice energy. Cation F- CI- Br- |- O2- B) The more ions present in an ionic compound, the smaller the lattice energy. Lit 1036 853 807 757 2925 Na+ 923 787 747 704 2695 C) The larger the distance between ions in the ionic compound, the higher the lattice energy. K+ 821 715 682 649 2360 Mg2+ 2957 2524 2440 2327 3791 D) In general, alkali metals have larger lattice energies than alkaline earth metals with the same anions. Ca2+ 2630 2258 2176 2074 3401 Al3+ 5215 5492 5361 5217 15,916
Predicting the relative lattice energy of binary ionic compounds In each row, pick the compound with the bigger lattice energy. Note: lattice energy is always greater than zero. Which compound has the bigger lattice energy? BaCh BaS Bel₂ KF O BeBr₂ CsF O 1/5
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):
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Calculate the average A-B bond energy in AB3(g). AH for AB3(g)=-75.9 kJ/mol, AH, for A(g) = 288.9 kJ/mol, AH, for B(g) = 134.9 kJ/mol, AH for A2(g) = 0 kJ/mol, AH for B2(g)=0 kJ/mol. Enter a number in kJ/mol to 1 decimal place.
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Consult the table in the hint to find the bond energies for bonds between hydrogen and Group 16 elements. Is there a trend? If so, use the trend to predict the bond energies of H-Se and H-Po. Chapter 3, Question 23(a) Bond Н-О H-S H-Te i i Energy (kJ/mol) There is * : moving down the column, the bond energy eTextbook and Media Save for Later Attempts: 0 of 3 used Submit Answer