HELPPP PLS What is the volume of gas at 2.00 atm and 200.0K if its original volume was 300.0L at 0.25atm and 400.OK?
[a] 37.50L
[b] 18.75L
[c] 9.38L
[d] 75L

The p sub shell can hold up to 8 electrons in an atom. true or false?

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5