The measured density of a crystal is 4.51 g/cm3. Find the equilibrium separation distance of and ions. Use a value of 259 g/mol for the molar mass of .
The electron affinity of Br is 2.18 eV and the ionization energy of Na is 5.14 eV. NaBr forms an ionic bond. At equilibrium separation, the atoms are apart.
Determine the electrostatic potential energy of the atoms.
Find the dissociation energy. Neglect the energy of repulsion.
The characteristic energy of rotation for HCl is eV, assuming a value of 35.4 u for the atomic mass of chlorine and 1.0 u for the atomic mass of hydrogen.
Determine the reduced mass μ for the HCl molecule.
Find the separation distance between the H and Cl atoms.