// 1. The items in the bag are stored on a linked list; // 2. The head pointer of the list is stored in the member variable head_ptr; // 3. The total number of items in the list is stored in the member variable // many_nodes.

A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.