44.956 mol atomic mass electronegativity 1.36 kJ 18.1 mol electron affinity kJ 633.1 mol ionization energy kJ 16. mol heat of fusion Does the following reaction absorb or release energy? O release O absorb (1) Sc(g) + e - Sc (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): O kJ/mol Does the following reaction absorb or release energy? O release O absorb (2) Sc (g) Sc (g) + 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): I kJ/mol

44.956 mol atomic mass electronegativity 1.36 kJ 18.1 mol electron affinity kJ 633.1 mol ionization energy kJ 16. mol heat of fusion Does the following reaction absorb or release energy? O release O absorb (1) Sc(g) + e - Sc (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): O kJ/mol Does the following reaction absorb or release energy? O release O absorb (2) Sc (g) Sc (g) + 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): I 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
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? RbI ΚΙ O Li₂S Cs Br LiCl CsF
Aluminum(IV) iodide (AII_(4)) cannot be formed. Explain why this is the case by making reference to the energies involved in formation of this compound.
2. Use the table below to estimate AH for the reaction NO + O3 → NO2 + O2. Does this reaction consume or produce heat? Single Bond Energies (kJ/mol of bonds) н сN oS F C Br I Н 436 C 413 346 N 391 305 163 O 463 358 201 146 S 347 272 226 - F 565 485 283 190 284 155 Cl 432 339 192 218 255 253 242 Br 366 285 201 217 249 216 193 - I 299 213 201 278 208 175 151 - - Multiple Bond Energies (kJ/mol of bonds) C=C 602 C=N 615 C=O 799 C=C 835 CEN 887 C=O 1072 N=N 418 N=O 607 N=N 945 O=O 498
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 ?
Use the data found in the appendix to determine the values for the O-Cl and the O-F bond energies. (heats of formation of OF2 and OCl2 are 24.7 and 80.37 kJ/mol, respectively)
Consider the following data for osmium:
Using the Bon energies for the table below estimate look at the picture
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):
The formation of KCl(s) from K(s) and Cl2(g) is an exothermic process (DHf for KCl(s) is negative). Considering the steps involved in the Born-Habor cycle, which of the following steps contributes to the stability of KCl(s)? Dissociation of Cl2(g) Electron gain by Cl(g) Ionization of K(g) Sublimation of K(s)
Consider the following data for sulfur: atomic mass 32.066 g/mol electronegativity 2.58 electron affinity 200.4 kJ/mol ionization energy 999.6 kJ/mol heat of fusion 1.73 kJ/mol Does the following reaction absorb or release energy? (1) S+(g)+ e- -> S(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) S(g) + e- -> S-(g) 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):
9. Acetylene gas (C2H2) is used in welding. Use bond dissociation energies to determine the AErxn, in kJ/mol C2H2, for the reaction: 2 C2H2(g) + 5 Oz(g) → 4 CO2(g) + 2 H2O(g)