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Rubidium iodide has a lattice energy of -617 kJ/mol, while
Chapter 9, Problem 44E(choose chapter or problem)
Problem 44E
Rubidium iodide has a lattice energy of -617 kJ/mol, while potassium bromide has a lattice energy of -671 kJ/mol. Why is the lattice energy of potassium bromide more exothermic than the lattice energy of rubidium iodide?
Questions & Answers
QUESTION:
Problem 44E
Rubidium iodide has a lattice energy of -617 kJ/mol, while potassium bromide has a lattice energy of -671 kJ/mol. Why is the lattice energy of potassium bromide more exothermic than the lattice energy of rubidium iodide?
ANSWER:
Solution 44E Step 1 of 1 Lattice energy depends on the size of anions and cations that are in the compound. Moreover, there’s a reverse proportionality between dimensions and energy: the bigger the dimension, the smaller the energy and vice-versa