1. Explain the SI errors (if any) in and give the correct equivalent units for the following units: (a) m-grams/pL, (b) megaohms/nm, (c) N·m/s/s, (d) gram cm/(s- 1/mL), and (e) Bq/milli-Curie.
2. A reactor is fueled with 4 kg uranium enriched to 20 atom-percent in 235 U. The remainder of the fuel is 238 U. The fuel has a mass density of 19.2 g/cm3.
(a) What is the mass of 235U in the reactor?
(b) What are the atom densities of 235 U and 238 U in the fuel?