You find a ring with a mass of 13.5g. You fill a graduated cylinder up with 10 mL of water and put the ring in the cylinders the water rises up to 15 mL. What is the substance

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

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have