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Lattice Energy Application

Q. Which of the following is a possible combination of values for ΔHlattice and ΔHhydration respectively for a salt whose dissolution is endothermic? a) -560, +560 b) +640, -620 c) -200, -304 d) +500, -520

Solved • Feb 3, 2020

Lattice Energy Application

Q. The crystal lattice energy of KF is 790 kJ/mol. the enthalpy of hydration of K^+ is -350 kJ/mol and the enthalpy of hydration of F is -460 kJ/mol, which creates an overall heat of hydration for the salt of -810 kJ/mole. What is the enthalpy of solution for KF? a) -20 kJ/mol b) -810 kJ/mol c) +330 kJ/mol d) +440 kJ/mol

Solved • Jan 27, 2020

Lattice Energy Application

Q. A hypothetical solution forms between a solids and a liquid. The values of the thermodynamic quantities involved in the process are shown in the table below. Calculate the enthalpy of solution, ΔHsoln, in kJ/mol.

Solved • Dec 7, 2019

Lattice Energy Application

Q. For each pair. choose the compound with the higher lattice enemy. (a)BaS or CsCl (b)LiCl or CsCl

Solved • Jul 25, 2019

Lattice Energy Application

Q. Use the following data to calculate the combined heat of hydration for the ions in sodium acetate. (NaC2H3O2) given: ΔHlattice=763 kJ/mol and ΔHsoln=17.3 kJ/mol

Solved • Jun 28, 2019