Question 17 (1 point) How many moles of a gas sample are in a 15.0 L container at 230 K and 306 kPa?
(The gas constant is
L kPa
8.31
mol K
D
Round your answer to one decimal place and enter the number only with no units.
Your
Answer

Calculate the concentration of all species in a 0.165 m solution of h2co3.

What is the best describtion of the side of the moon that faces earth?

How is it possible for someone to put an ear to a wall and hear someone in the next room?     a.sound waves can travel though solids.    b.the waves travel from room to room via air.    c.there must be some air in the wall so the sound can travel through it.    d.sound waves change to electromagnetic waves and then back again.