A 20.0-L pressure vessel holds 2.00 moles of oxygen at 30C. What ...

[neverstopbelieb]

A 20.0-L pressure vessel holds 2.00 moles of oxygen at 30C. What is the pressure inside the vessel?
 
  A) 101 Pa
  B) 101 kPa
  C) 1.01  106 Pa
  D) 2.52  106 Pa
  E) 252 kPa

Question 2

If the distance between the slits in Young's two-slit experiment is decreased, which one of the following statements is true of the interference pattern?
 
  A) The distance between the maxima stays the same.
  B) The distance between the maxima decreases.
  C) The distance between the minima stays the same.
  D) The distance between the minima increases.
  E) Impossible to tell without knowing the wavelength of light in use.

[bulacsom]

Answer to Question 1

E

Answer to Question 2

D

[neverstopbelieb]

Thank you!

[bulacsom]

Always glad to help...