A gas mixture at 0°C and 1.0 atm contains 0.010 mol of H2,0.015 mol of Oz, and 0.025 mol of Ns. Assuming ideal behavior, what is the partial pressure of hydrogen gas (H. ) in the mixture?

What is the temperature of one mole of helium gas at stp?

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

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?