Answer:
40 ml
Explanation:
boyles law
Pi Vi = PƒVƒ
4 * 20 = 2 * Vƒ
40 ml = Vƒ
brainly.com/question/13802011
I don't know really i am sorry
Ne
Noble gas, Unreactive therefore does not exist as a diatomic molecule
Answer:The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.
