Consider the following data for silicon: g 28.085 mol atomic mass electronegativity 1.90 kJ 133.6 mol electron affinity kJ 786.5 mol ionization energy kJ 50.2 mol heat of fusion You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? release absorb (1) Si (g) → Si' (g) + e Can't be decided with the data given. yes Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): OkJ/ mol Does the following reaction absorb or release energy? release absorb (2) Si (g) Si (g) + e Can't be decided with the data given. yes Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): O kJ/mol

Consider the following data for silicon: g 28.085 mol atomic mass electronegativity 1.90 kJ 133.6 mol electron affinity kJ 786.5 mol ionization energy kJ 50.2 mol heat of fusion You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? release absorb (1) Si (g) → Si' (g) + e Can't be decided with the data given. yes Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): OkJ/ mol Does the following reaction absorb or release energy? release absorb (2) Si (g) Si (g) + e Can't be decided with the data given. yes Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? 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 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):
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.
Calculate the lattice energy of RbH (s) using the following thermodynamic data (all data is in kJ/mol). Note that the data given has been perturbed, so looking up the answer is probably not a good idea. AHsublimation 61 kJ/mol Ionization energy = 383 kJ/mol Rb (s) Rb (g) H - H (g) Bond energy = 416 kJ/mol H (g) Electron affinity = -93 kJ/mol RbH (s) AHOf = -72 kJ/mol kJ/mol
Given the following information, use the Kapustinskii equation (shown below and included in the additional information sheet I encouraged you to download and have available) to calculate the lattice energy for Cr2S3 in kJ/mol. Ionic radii: Cr3+ (62 pm), S2− (184 pm) d* = 34.5 pm Κ = 1.21 × 105 kJ pm/mol
Calculate Delta Hof for PbO (s) using the data below. PbO (s) + CO (g) ® Pb (s) + CO2 (g) DH° = –131.4 kJ DHf°: CO2(g) = –393.5 kJ/mol; CO(g) = –110.5 kJ/mol –151.6 kJ/mol –283.0 kJ/mol +283.0 kJ/mol –372.6 kJ/mol +252.1 kJ/mol
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? MgS Be S O ΚΙ O SrO O Explanation Cal₂ O SrF₂ Esc Check Type here to search 2 ! 1 F1 F2 @ NO 2 81 Z F3 # 3 Ox F4 $ 4 F5 % 01 4s DELL F6 A T
need help with the lattice energy
Consider the following data for bromine: 79.904 mol atomic mass electronegativity 2.96 kJ 324.6 mol electron affinity kJ 1139.9 mol ionization energy kJ 5.8 mol heat of fusion You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? release absorb (1) Br(g) + e - Br (g) Can't be decided with the data given. yes Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? no
A sodium vapor street lamp emits yellow light at wavelength λ = 589 nm. How much energy is released per mole of sodium atoms? O2.0 × 105 J O 5.4 × 108 J O 7.2 × 10-13 J O 1.9 × 10-4 J O 3.5 × 10-1⁹ J
Given the following bond energies F-F 157 kJ/mol Cl-CI 243 kJ/mol F-CI 193 kJ/mol estimate AH for this reaction. F2(g) + Cl2(g) → 2CIF(g)