Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 9 - Problems: 9.19

Answer

See explanation with the answer below.

Work Step by Step

The process of formation of the K2S crystals releases more energy than 214 kJ/mol making the overall energy of formation of K2S to be lower than the energy of the separate potassium and sulfur atoms.
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