Consider separate 1.0-l gaseous samples of h2, xe, cl2, and o2 all at stp. a. rank the gases in order of increasing average kinetic energy. b. rank the gases in order of increasing average velocity. c. how can separate 1.0-l samples of o2 and h2 each have the same average velocity.

Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.