38 when a sample of a gas is heated in a sealed, rigid container from 200. k to 400. k, the pressure exerted by the gas is
(1) decreased by a factor of 2.(2) increased by a factor of 2.
(3) decreased by a factor of 200.(4) increased by a factor of 200.

Which of the following best describes the formation of plasma?

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!

One nanometer is equal to how many meters?