Elliptical galaxies often appear reddish due to an abundance of

Asolid that forms and separates from a liquid mixture is called

The biosphere of the earth is made up of . a. inorganic b. organic

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle. if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3.2 kilopascals, what is the partial pressure of the hydrogen?