Balance the nuclear reaction equation for the beta minus decay of iodine-131 by completing the missing numbers. The superscript of xenon is . The subscript of the electron is

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.