A rigid 1.0 L cylinder contains 1.0 moles of O2 gas at 25.0oC and another rigid 1.0 L cylinder contains 1.0 moles of CH4 gas at 25.0oC. Is the average speed of the O2 gas particles greater than, less than, or the same as the average speed of the CH4 gas particles? Justify your answer.

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

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