The isomerization of n-butane to iso-butane is carried out on a catalyst surface at 2.0 atm and 400°c. what is the gas-phase molecular diffusion coefficient of n-butane in iso-butane ?

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.

Which element below could be and isotope of this atom

Explain how electricity can be conducted by acids and bases