Agraduated cylinder has 35.0 ml of water in it before and object is dropped inside. the new volume is 38.5 ml. what is the volume of the object in cm 3?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride