Which one of the following is a physical property of oxygen? o molecular axygen condenses at 90.2 k oit is the 3rd most abundant element in the universe by mass o it is composed of three stable isotopes o it axidizes carbohydrates into carbon diaxide and water.

Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution

If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over