If given the balanced equation 2KI + Pb(NO3)2 = 2KNO3 + PbI2. How would you retrieve the left over excess reactant if Pb(NO3)2 from the experiment?

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

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

How does a nuclear reactor produce electricity?