An fcc metal has a lattice spacing of a-3.060 angstroms. calculate the volume (in angstroms) of the interstices (empty space) in the unit cell. volume of the interstices-volume of the unit cell (1-atomic packing factor) where the atomic packing factor for fcc metals is 0.74 änd the volume of a unit cell with the side a will be a 8.9966

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system