An atom of 113I has a mass of 112.923650 amu. Calculate the mass defect in amu/atom. Enter your answer with 4 significant figures and no units.

What is avogadro’s number, and why is it useful

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices