The synthesis of sodium chloride occurs according to the reaction: Na + Cl₂ > NaCl. Using the balanced equation, what volume of chlorine gas at STP is necessary for the complete reaction of 6.35 grams of sodium metal.

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.