The above shows a sealed flask filled with oxygen gas. The gas has a temperature of 300.0 K and a pressure of 101 kPa. If
the temperature increases to 320.0 K, what is the new
pressure of the oxygen gas?

Which of the following conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space? the cloud is extremely hot. the cloud is visible primarily because it reflects light from nearby stars. the cloud is cool and lies between you and a hot star. the cloud is cool and very dense, so that you cannot see any objects that lie behind it.