Q. When 235 U fissions, it loses about 1 percent of its rest-mass. Assume that 18kg of 235U fissions. How much rest-mass is lost?
Q. A tank having a volume of 0.10 m3 contains helium gas at 155 atm. How many balloons can the tank blow up if each filled balloon is a sphere 0.30 -m in diameter at an absolute pressure of 1.3 atm?