Be sure to answer all parts. Three 8-L flasks, fixed with pressure gauges and small valves, each contain 6 g of gas at 277 K. Flask A contains CH4, flask B contains He, and flask C contains H. Rank the flask contents in terms of: (a) pressure. A>B>C A>C>B O B>C>A O B>A>C O C>B>A O C>A>B A=B=0 (b) average molecular kinetic energy. A>B>C A>CB B> C>A B>A> C>B>A C>A>B (e) diffusion rate after valve is opened. A>B>C o A>C>B OB>C>A B>A>C O C>B>A O C>A>B O A=B=0 (d) total kinetic energy of the molecules. O A>B>C O A>CB B>C>A B>A>C C>B>A O C>A>B O A-B-C (e) density A>B>C (e) density. 0 A>B>C A>C>B O B>C>A O B>A>C O C>B>A O C>A>B O A=B-C (1) collision frequency. O A>B>C O A>C>B O B> C>A B>A>C O C>B>A C>A>B A-B-C