Calculate the kinetic energy of an electron ejected by a photon with wavelength 1.57 × 102 nm from a metal with a binding energy of 3.31 ev.

What is the correct lewis structure for chloroform chcl3

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

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas