What is the average velocity of atoms in 2.00 mol of neon (a monatomic gas)

at 308 K? Use the equation: -mv2=nRT

For m, use 0.02000 kg. Remember that R = 8.31 J/(mol-K).

O

A. 876 m/s

O

B. 87.6 m/s

O

C. 1540 m/s

O

D. 15,400 m/s

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?

Newtons view of arrangement of the universe. don't copy from anywhere.