I NEED HELP PLEASE! BRAINLIEST! :)

A graduated cylinder is filled with water to the 20 ml mark. After an object is submerged in the liquid, the volume of the liquid is 28 ml. If the object weighs 16 g, what is the density of the object in g/cm^3?

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

What term describes technology that operates on an atomic level

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)