10. Periodic Properties of the Elements
Periodic Trend: Cumulative
Problem 72
Textbook Question
Textbook QuestionPotassium and hydrogen react to form the ionic compound potassium hydride. (b) Use data in Figures 7.10 and 7.12 to determine the energy change in kJ/mol for the following two reactions: K1g2 + H1g2 ¡ K+1g2 + H-1g2 K1g2 + H1g2 ¡ K-1g2 + H+1g2
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