General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
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Chapter 3.9, Problem 3.21P
Calculate the net energy change in kilojoules per mole that takes place on formation of KF(s) from the elements: K(s) + 1/2 F2(g) → KF(s). The following information is needed:
Heat of sublimation for K(s) = +89.2 kJ/mol
Electrostatic interactions in KF(s) = –821 kJ/mol
Eea for F(g) = –328kJ/mol
Ei;for K(g) = +418.8 kJ/mol
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The standard heat of formation of BaBr2BaBr2 is −−764 kJ/molkJ/mol. The first ionization energy of BaBa is 503 kJ/molkJ/mol and its second ionization energy is 965 kJ/molkJ/mol. The heat of sublimation of Ba[Ba(s)→Ba(g)]Ba[Ba(s)→Ba(g)] is 175 kJ/molkJ/mol. The bond energy of Br2Br2 is 193 kJ/molkJ/mol, the heat of vaporization of Br2(l)Br2(l) is 31 kJ/molkJ/mol, and the electron affinity of BrBr is −−325 kJ/molkJ/mol.
Calculate the lattice energy of BaBr2BaBr2.
Given the following information:
Heat of sublimation of Li(s) = 166 kJ/mol
Bond energy of HF = 565 kJ/mol
Ionization energy of Li(g) = 520. kJ/mol
Electron affinity of F(g) = –328 kJ/mol
Lattice energy of LiF(s) = –1030 kJ/mol
Bond energy of H2 = 432 kJ/mol
Calculate the net change in energy for the following reaction:
2Li(s)+2HF(g)-> 2LiF(s) +H2(g)
Change in energy = kJ
Determine the energy change for the reaction Li (s) + ½ Cl2 (g) → LiCl (s) from the following data: Lattice energy of LiCl = −861 kJ/mol Energy to vaporize Li = 159 kJ/mol Ionization energy of Li = 520 kJ/mol Cl2 bond energy: 240 kJ/mol Electron affinity of Cl: −349 kJ/mol
I know the answer is -411 kJ/mol I want to know how to solve it and get to the answer.
Chapter 3 Solutions
General Chemistry: Atoms First
Ch. 3.1 - Prob. 3.1PCh. 3.1 - Which of the following drawings is most likely to...Ch. 3.2 - Give systematic names for the following compounds:...Ch. 3.2 - Write formulas for the following compounds: (a)...Ch. 3.2 - Prob. 3.5CPCh. 3.2 - Give systematic names for the following compounds:...Ch. 3.2 - Prob. 3.7PCh. 3.2 - Prob. 3.8CPCh. 3.3 - Predict the ground-state electron configuration...Ch. 3.3 - What doubly positive ion has the following...
Ch. 3.4 - Prob. 3.11PCh. 3.4 - which of the following spheres represents a K+...Ch. 3.5 - Using the periodic table as your guide, predict...Ch. 3.6 - (a) Which has the larger third ionization energy,...Ch. 3.6 - Three atoms have the following electron...Ch. 3.6 - Order the indicated three elements according to...Ch. 3.7 - Prob. 3.17PCh. 3.7 - Which of the indicated three elements has the...Ch. 3.8 - What noble-gas configurations are the following...Ch. 3.8 - Prob. 3.20PCh. 3.9 - Calculate the net energy change in kilojoules per...Ch. 3.10 - Which substance in each of the following pairs has...Ch. 3.10 - One of the following pictures represents NaCl and...Ch. 3.11 - Prob. 3.24PCh. 3.11 - Complete the following equations so that the same...Ch. 3.12 - Prob. 3.26PCh. 3.12 - Prob. 3.27PCh. 3.14 - Prob. 3.28PCh. 3 - In the following drawings, red spheres represent...Ch. 3 - Which of the following drawings is more likely to...Ch. 3 - Prob. 3.31CPCh. 3 - Prob. 3.32CPCh. 3 - Prob. 3.33CPCh. 3 - Prob. 3.34CPCh. 3 - Prob. 3.35CPCh. 3 - Prob. 3.36CPCh. 3 - Prob. 3.37CPCh. 3 - Prob. 3.38SPCh. 3 - Prob. 3.39SPCh. 3 - Prob. 3.40SPCh. 3 - Prob. 3.41SPCh. 3 - Prob. 3.42SPCh. 3 - Prob. 3.43SPCh. 3 - Prob. 3.44SPCh. 3 - Prob. 3.45SPCh. 3 - Prob. 3.46SPCh. 3 - Prob. 3.47SPCh. 3 - Prob. 3.48SPCh. 3 - Prob. 3.49SPCh. 3 - Prob. 3.50SPCh. 3 - Prob. 3.51SPCh. 3 - Prob. 3.52SPCh. 3 - What is the identity of the element X in the...Ch. 3 - Prob. 3.54SPCh. 3 - Prob. 3.55SPCh. 3 - Prob. 3.56SPCh. 3 - Prob. 3.57SPCh. 3 - Prob. 3.58SPCh. 3 - Prob. 3.59SPCh. 3 - Prob. 3.60SPCh. 3 - Prob. 3.61SPCh. 3 - Prob. 3.62SPCh. 3 - Prob. 3.63SPCh. 3 - Prob. 3.64SPCh. 3 - Prob. 3.65SPCh. 3 - Prob. 3.66SPCh. 3 - Prob. 3.67SPCh. 3 - Which element in each of the following sets has...Ch. 3 - Prob. 3.69SPCh. 3 - Prob. 3.70SPCh. 3 - Prob. 3.71SPCh. 3 - Prob. 3.72SPCh. 3 - Prob. 3.73SPCh. 3 - Prob. 3.74SPCh. 3 - Prob. 3.75SPCh. 3 - Prob. 3.76SPCh. 3 - Prob. 3.77SPCh. 3 - Prob. 3.78SPCh. 3 - Order the following compounds according to their...Ch. 3 - Calculate the energy change in kilojoules per mole...Ch. 3 - Prob. 3.81SPCh. 3 - Prob. 3.82SPCh. 3 - Prob. 3.83SPCh. 3 - Prob. 3.84SPCh. 3 - Prob. 3.85SPCh. 3 - Calculate the overall energy change in kilojoules...Ch. 3 - The estimated lattice energy for CsF2(s) is +2347...Ch. 3 - Prob. 3.88SPCh. 3 - Prob. 3.89SPCh. 3 - Prob. 3.90SPCh. 3 - Prob. 3.91SPCh. 3 - Prob. 3.92SPCh. 3 - Prob. 3.93SPCh. 3 - Prob. 3.94SPCh. 3 - Prob. 3.95SPCh. 3 - Prob. 3.96SPCh. 3 - Prob. 3.97SPCh. 3 - Prob. 3.98SPCh. 3 - Prob. 3.99SPCh. 3 - Prob. 3.100CHPCh. 3 - Prob. 3.101CHPCh. 3 - Prob. 3.102CHPCh. 3 - Prob. 3.103CHPCh. 3 - Prob. 3.104CHPCh. 3 - Prob. 3.105CHPCh. 3 - Prob. 3.106CHPCh. 3 - Prob. 3.107CHPCh. 3 - Prob. 3.108CHPCh. 3 - Prob. 3.109CHPCh. 3 - Prob. 3.110CHPCh. 3 - Prob. 3.111CHPCh. 3 - Prob. 3.112CHPCh. 3 - Prob. 3.113CHPCh. 3 - Prob. 3.114CHPCh. 3 - Given the following information, construct a...Ch. 3 - Given the following information, construct a...Ch. 3 - Consider the electronic structure of the element...Ch. 3 - Prob. 3.118MPCh. 3 - Prob. 3.119MP
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- Consider the reactions of silver metal, Ag(s), with each of the halogens: fluorine, F2(g), chlorine, Cl2(g), and bromine, Br2(l). What chapter data could you use to decide which reaction is most exothermic? Which reaction is that?arrow_forwardExplain the decomposition of nitroglycerin in terms of relative bond enthalpies.arrow_forwardEstimate H for the following reactions using bond energies given in Table 8.5. 3CH2=CH2(g) + 3H2(g) 3CH2CH3(g) The enthalpies of formation for C6H6(g) and C6H12 (g) are 82.9 and 90.3 kJ/mol. respectively. Calculate H for the two reactions using standard enthalpies of formation from Appendix 4. Account for any differences between the results obtained from the two methods.arrow_forward
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