Answered: Calculate the amount of energy

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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In the reaction of Lithium and Fluorine, each Li atoms takes 1 electron from an F atom to form 1 mol of gaseous Li⁺F^-ion pair. Due to their opposite charges, they attract each other with a net force of 6.735 x 10^-12N. Calculate the amount of energy when one mole of Li⁺F^-ion pairs is formed from the separated ions, given that n=7. The observed inter-nuclear distance in the gas phase between ions is 156 pm. (Use ε₀= 8.85 x 10¹² C²/N-m²).

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